NEET Biology Multiple Choice Questions – Phylum Chordata

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NEET Biology Phylum Chordata Multiple Choice Questions

Question 1. Chordates are distinguished from non-chordates by the presence of:

  1. Dorsal nerve cord
  2. Ventral nerve cord
  3. Visceral nervous system
  4. Heart.

Answer: 1. Dorsal nerve cord

Question 2. The pharynx in chordates is :

  1. Solid and segmented
  2. Perforated
  3. Not perforated
  4. An endocrine gland.

Answer: 2. Perforated

Question 3. Which one of the following characters is not a characteristic of phylum chordata?

  1. Perforated pharynx
  2. Dorsal notochord
  3. Hollow tubular ventral nerve cord
  4. Presence of ventral heart.

Answer: 3. Hollow tubular ventral nerve cord

Question 4. Hemichordates have one chordate feature in their typical form which is that?

  1. Buccal diverticulum
  2. Perforated pharynx
  3. 3 Types of coelom
  4. Integument with cilia.

Answer: 2. Perforated pharynx

Read and Learn More NEET Biology Multiple Choice Question and Answers

Question 5. Which one is the most prominent difference between urochordates and cephalochordates?

  1. Position of endostyle
  2. Length of notochord
  3. Dorsal lamina
  4. Perforated pharynx.

Answer: 2. Length of notochord

NEET Biology Phylum Chordata Questions

Question 6. Petromyzon is not true fish because of:

  1. Absence of median fins
  2. Absence of paired fins and true jaws
  3. Presence of acicular mouth
  4. Absence of operculum.

Answer: 2. Absence of paired fins and true jaws

Question 7. Herdmania belongs to the group:

  1. Hemichcrdata
  2. Urochordata
  3. Cephalochordata
  4. Gnathostomata.

Answer: 2. Urochordata

Question 8. Which of the following is a chordate but not a vertebrate?

  1. Rabbit
  2. Lamprey
  3. Snake
  4. Sea squirt

Answer: 4. Sea squirt

Question 9. Larva of hemichordate is called :

  1. Trilobite
  2. Trochophore
  3. Tomaria
  4. Dipinnaria

Answer: 3. Tomaria

Question 10. Ciliary muscles are found in :

  1. Ciliated epithelium
  2. Mammalian diaphragm
  3. Vertebrate eye
  4. Mammalian heart.

Answer: 3. Vertebrate eye

Question 11. The major constituent of vertebrate bones is:

  1. Calcium phosphate
  2. Calcium and magnesium phosphate
  3. Calcium carbonate
  4. Sodium chloride.

Answer: 1. Calcium phosphate

NEET Biology Phylum Chordata Questions

Question 12. The ovary of vertebrates is also an organ for :

  1. Balancing
  2. Visual
  3. Excretory
  4. Endocrine function.

Answer: 4. Endocrine function.

Question 13. The greatest evolutionary change enabling the land vertebrates to be completely free from water habitat is the development of:

  1. Four legs
  2. Lungs
  3. Four chambered heart
  4. Shelled eggs.

Answer: 4. Shelled eggs.

Question 14. Which special type of circulatory system is seen in all types of vertebrates?

  1. Renal portal
  2. Hepatic portal
  3. Open circulatory
  4. Double circulatory.

Answer: 2. Hepatic portal

Question 15. The Mullerian duct is the name given to :

  1. Ureter
  2. Urinogenital duct
  3. Oviduct
  4. Spermiduct

Answer: 3. Oviduct

NEET Biology Phylum Chordata Questions

Question 16. Branchiostoma belongs to:

  1. Cephalochordata
  2. Urochodrata
  3. Hemichordata
  4. Vertebrata.

Answer: 1. Cephalochordata

Question 17. Petromyzon belongs to the class:

  1. Chondrichthyes
  2. Osteichthyes
  3. Cyclostomata
  4. Tunicata.

Answer: 3. Cyclostomata

Question 18. Chordates and echinoderms are phylogenetically similar because of their:

  1. Axes of symmetry
  2. Embryo forms
  3. Biochemical pathways
  4. Fossil form.

Answer: 2. Embryo forms

Question 19. Which gland has immunological functions?

  1. Thymus
  2. Pituitary
  3. Adrenal
  4. Thyroid.

Answer: 1. Adrenal

Question 20. Crocodiles, fish, and frog on the one hand, and squirrels and
crow on the other hand differ in:

  1. The former has two appendages while the latter has two only.
  2. The body temperature of the former changes with environmental temperature while the latter remains more or less constant
  3. The former undergo metamorphosis while the latter do not
  4. The former are oviparous while the latter are not.

Answer: 2. The former undergo metamorphosis while the latter do not

Question 21. Some characters that are shown by vertebrates are mentioned below:

  1. Two-chambered heart and single-circulation
  2. Ten pairs of cranial nerves
  3. Pronephric kidney
  4. Renal and hepatic portal systems are present.

Choose the right combination for true fishes

  1. 1,2, 3
  2. 2, 3, 4
  3. 1,2, 4
  4. 1, 3, 4.

Answer: 3. 1,2, 4

Question 22. Which one of the phylum is not a commonly accepted subphylum of chordata?

  1. Urochordata
  2. Hemichordata
  3. Cephalochordata
  4. Vertebrata.

Answer: 2. Hemichordata

Vertebrates And Invertebrates MCQs NEET

Question 23. Vertebrates differ from other chordates in the possession of:

  1. Cartilaginous or bony vertebrae
  2. Usually two pairs of appendages
  3. Rbc
  4. Ventrally situated heart
  5. Internal and jointed skeleton
  6. Coelom
  7. Gill slits
  8. Bilateral symmetry

Choose the correct option

  1. All the above are correct
  2. 1, 2, 3, 4, and 5 are correct
  3. 1, 2, 3, 6, and 7 are correct
  4. 1, 2 4, 5, 6, and 7 are correct

Answer: 2. Rbc

Question 24. organized pancreas and spleen are absent in :

  1. Lamprey
  2. Shark
  3. Carp
  4. Hagfish

Answer: 1. Lamprey

Question 25. Larva of lamprey is :

  1. Tomaria
  2. Ammocoetes
  3. Appendicularia
  4. Bipinnaria.

Answer: 2. Ammocoetes

Question 26. Water is drawn into gill pouches through gill slits in

  1. Petromyzon
  2. Scoliodon
  3. Labeo
  4. Protopterus

Answer: 1. Petromyzon

Question 27. The spinal nerves of vertebrates are :

  1. Snsory
  2. Motor
  3. Mixed
  4. None of these.

Answer: 3. Mixed

Question 28. Which one of the following is found in chordates but not in non-chordates?

  1. Chitinous exoskeleton
  2. Gills
  3. Post anal tail
  4. Spiracles

Answer: 3. Post-anal tail

Class Pisces (Fishes)

Question 1. Scales in Chondrichthyes are:

  1. Placoid
  2. Ganoid
  3. Cycloid
  4. None of the above.

Answer: 1. Placoid

Question 2. Air bladder in Chondrichthyes is:

  1. Single
  2. Double
  3. Reduced
  4. Absent.

Answer: 4. Double

Question 3. Electric organs are present in :

  1. Scoliodon
  2. Torpedo
  3. Pristis
  4. Labeo.

Answer: 2. Torpedo

Question 4. Which of the following cartilaginous fish is with operculum over the gills?

  1. Pristis
  2. Trygon
  3. Chimaera
  4. Raja.

Answer: 3. Chimaera

Question 5. The suckers of sucker fish is a modification of:

  1. Dorsal fin
  2. Anal fin
  3. Caudal fin
  4. None of these.

Answer: 1. Dorsal fin

Question 6. Sharks feed on :

  1. Human beings only
  2. Squids, fishes, and other aquatic animals
  3. Aquatic plants
  4. Human beings and other aquatic animals.

Answer: 4. Human beings and other aquatic animals.

Question 7. Rays differ from sharks in having a:

  1. Dorsoventrally compressed body
  2. Broad body and narrow tail
  3. Ventrally positioned gill slits
  4. All of the above.

Answer: 4. Ventrally positioned gill slits

Question 8. The teeth of sharks are :

  1. Bony projections of the upper jaw
  2. Hardened cartilaginous projections from the upper and lower jaw
  3. Modified placoid scales
  4. Horny out grown of jaws

Answer: 3. Modified placoid scales

Question 9. Electric organs of electric rays and skates are modified:

  1. Muscles
  2. Neurons
  3. Connective tissue4
  4. Receptors

Answer: 1. Muscles

Question 10. The scientific name of African lungfish is:

  1. Polypterus
  2. Lepidosiren
  3. Protopterus
  4. Neoceratodus

Answer: 3. Protopterus

Question 11. Scales in bony fishes are not:

  1. Cosmoid
  2. Cycloid
  3. Placoid
  4. Ctenoid

Answer: 2. Cycloid

Question 12. A homocercal tail is found in:

  1. Bony fishes
  2. Shark
  3. Rays
  4. Lung fishes

Answer: 1. Bony fishes

Question 13. Air bladder in fish does not help in:

  1. Respiration
  2. Sound production
  3. Movement
  4. Excretion.

Answer: 4. Excretion.

Question 14. Viviparity is seen in :

  1. Labeo
  2. All freshwater bony fishes
  3. All marine bony fishes.
  4. Answer: 2. All freshwater bony fishes

Question 15. A flying fish is:

  1. Exocoetus
  2. Amia
  3. Acipenser
  4. None of these.

Answer: 1. Exocoetus

Question 16. The tympanum is absent in :

  1. Sharks
  2. Cartilaginous fishes
  3. Bony fishes
  4. All of these.

Answer: 4. All of these.

Question 17. Internal nares are absent in :

  1. Scoliodon
  2. Protopterus
  3. Labeo
  4. Anabas.

Answer: 2. Protopterus

Question 18. Which one of the following combinations is not correct?

  1. Elasmobranchii—scoliodon
  2. Dipnoi— Petromyzon
  3. Mammalia—whale
  4. Urochordata— herdmania.

Answer: 2. Dipnoi— Petromyzon

Question 19. The holocephali lacks only one of the following elasmobranch characters, it is :

  1. Claspers in male
  2. Number of gills slits(5-7)
  3. Cartilaginous endoskeleton
  4. Marine habitat.

Answer: 2. Number of gills slits(5-7)

Question 20. Which one of the following ileostomies has no food value?

  1. Mystus seenghala
  2. Anabas
  3. Labeo rohita
  4. Cyprinus carpio.

Answer: 2. Anabas

Question 21. Fishes with ventral mouths and five pairs of gill slitsiare kept under the group :

  1. Pleurotremata
  2. Hypotremata
  3. Holocephali
  4. Actinopterygii.

Answer: 2. Hypotremata

Question 22. The tail of the bony fish is :

  1. Protocercal
  2. Heterocercal
  3. Diphycercal
  4. Homocercal.

Answer: 4. Homocercal.

Question 23. But of one, others are called carps, which one is?

  1. Labeo
  2. Catla catla
  3. Mystus
  4. Cyprinus.

Answer: 3. Mystus

Question 24. Which is the fish that gives birth to young ones?

  1. Scoliodon
  2. Anabas
  3. Heteropneustes
  4. Catla catla.

Answer: 1. Scoliodon

Question 25. Oxygenated blood never goes to the heart in :

  1. Mammals
  2. Fishes
  3. Birds
  4. Reptiles.

Answer: 2. Fishes

Question 26. The lateral line sensory system is markedly developed in

  1. Scoliodon
  2. Labeo
  3. Larval stages of fishes
  4. All members of class elasmobranchii.

Answer: 4. All members of class elasmobranchii.

Question 27. The kidney of fish is of the type :

  1. Pronephros
  2. Mesonephros
  3. Metanephros
  4. Nephridial.

Answer: 2. Mesonephros

Question 28. Vision in elasmobranch is :

  1. Of importance for close-range
  2. Is adapted for perception in low light intensities
  3. Due to rods-rich retina
  4. All of the above.

Answer: 1. Of importance for close-range

Question 29. Bony fishes are :

  1. Ammonotelic
  2. Ureotelic
  3. Uricotelic
  4. Aminotelic.

Answer: 1. Ammonotelic

Question 30. Fishes possess exoskeleton of:

  1. Bones
  2. Cartilages
  3. Scales
  4. Scutes.

Answer: 3. Scales

Question 31. Out of the following, which two are the most important identification features of fishes :

  1. Epidermal scales and tail
  2. Epidermal scales and gills
  3. Tail and venous heart
  4. Venous heart and gills.

Answer: 2. Epidermal scales and gills

Question 32. By noting the presence or absence of one of the following, the fish can be identified either as an elasmobranch fish or as a teleostean fish

  1. Lateral line
  2. Operculum
  3. Mucus
  4. Middle ear.

Answer: 2. Operculum

Question 33. Shagreen is :

  1. Dried shark skin
  2. Green colored gland of a shark
  3. A fish meal
  4. A gland found in amphibians.

Answer: 1. Dried shark skin

Question 34. An example of a migratory fish is :

  1. Shark
  2. Salmon
  3. Carp
  4. Ribbon fish.

Answer: 2. Salmon

Question 35. Electric ray is a:

  1. Cartilagittpus fish
  2. Bony fistt
  3. Freshwater fish.

Answer: 1. Cartilagittpus fish

Question 36. Ichthyology is, the study of:

  1. Birds
  2. Reptiles
  3. Insects
  4. None of these

Answer: 4. None of these

Question 37. Which one is the true fish :

  1. Dogfish
  2. Silverfish
  3. Starfish
  4. Cuttlefish.

Answer: 1. Dogfish

Question 38. Carp fish common in India is:

  1. Hilsa
  2. Labeo
  3. Barbus
  4. Wallago.

Answer: 2. Labeo

Question 39. Which one of the following is an exotic Indian fish?

  1. Labeo rohita
  2. Catla,catla
  3. Heteropneustes fossilis
  4. Cyprinus carpio.

Answer: 4. Cyprinus carpio.

Question 40. In the fish, to see in the water medium :

  1. The lens is flat and the cornea spherical
  2. The cornea is flat and the lens spherical
  3. Both the lens and cornea are flat
  4. Both the lens and cornea are spherical.

Answer: 2. The cornea is flat and the lens spherical

Question 41. Lungfish burrow into the mud of rivers during hot day periods, which enables them to reduce their metabolic rate and survive. This phenomenon is called:

  1. Hibernation
  2. Aestivation
  3. Reproduction
  4. None of these.

Answer: 2. Aestivation

Question 42. Which of the following has a closed type of circulatory system?

  1. Cockroach
  2. Scorpion
  3. Fish
  4. Mollusc

Answer: 3. Fish

Question 43. Which among the following i.4 a living fossil?

  1. Varanus
  2. Dodo
  3. Coelocanth
  4. Dogfish.

Answer: 3. Coelocanth

Question 44. The lateral line system is present in :

  1. Fish
  2. Frog
  3. Reptile
  4. Man.

Answer: 1. Fish

Question 45. Pristis belongs to the class:

  1. Dipnoi
  2. Teleostomii
  3. Elasmobranchii
  4. Holocephali.

Answer: 2. Teleostomii

Question 46. Anadromous fishes move :

  1. From the river to the sea
  2. To fresh water from the sea
  3. From estuary to sea
  4. From sea to estuary.

Answer: 2. To fresh water from the sea

Question 47. The common name of a marine fish, Anguilla, is :

  1. Rohu
  2. Hilsa
  3. Eel
  4. Bombay duck.

Answer: 3. Eel

Question 48. One can identify a fish by the presence of one of the given characteristic features:

  1. Tails
  2. Fin with fin rays
  3. Scales
  4. Gills.

Answer: 3. Scales

Question 49. Which one of the following is a real fish?

  1. Silver fish
  2. Star fish
  3. Dog fish
  4. Shellfish.

Answer: 3. Dogfish

Class Amphibia

Question 1. A frog differs from a toad in:

  1. Absence of warts
  2. Absence of pinna
  3. Presence of pigmented skin
  4. Absence of neck.

Answer: 1. Absence of warts

Question 2. In frogs the mucous glands are derivatives of :

  1. Stratum compactum
  2. Stratum spongiosum
  3. Epidermis
  4. Dermis.

Answer: 4. Dermis.

Question 3. In frogs, teeth are present on:

  1. Lower jaw
  2. Upper jaw
  3. Both jaws
  4. None of these.

Answer: 2. Upperjaw

Question 4. In amphibia, the Jacobson organ is also known as:

  1. Alimentary canal
  2. Ear
  3. Nasal chamber.
  4. Eye.

Answer: 3. Nasal chamber.

Question 5. Among vertebrates, amphibians are the first to invade land but they always have to return to water for:

  1. Excretion
  2. Respiration
  3. Breeding
  4. Preying.

Answer: 1. Excretion

Question 6. In frogs false copulation occurs since the penis is absent in the male and fertilization of the eggs occurs:

  1. Inside the bidder canal of the kidney
  2. Externally in the water
  3. When the egg is in the cloaca
  4. When the egg is passing through the uterus.

Answer: 4. When the egg is passing through the uterus.

Question 7. During hibernation in frogs, the mode of respiration is:

  1. Gill respiration
  2. Cutaneous respiration
  3. Pulmonary respiration
  4. Pharyngeal respiration.

Answer: 4. Pharyngeal respiration.

Question 8. Pulmonary breathing increases when the frog is :

  1. Hibernating
  2. Underwater
  3. Overwater
  4. Excited.

Answer: 3. Overwater

Question 9. The biggest part of the brain of a frog is known as:

  1. Forebrain
  2. Hindbrain
  3. Midbrain
  4. None of these.

Answer: 1. Fore brain

Question 10. During the hibernation period, the left auricle of the frog heart contains:

  1. Oxygenated blood
  2. Deoxygenated blood
  3. Mixed blood blood.

Answer: 3. Mixed blood blood.

Question 11. How many cranial nerves are present in the body of a frog?

  1. 12 Pairs
  2. 8 Pairs
  3. 10 Pairs
  4. 14 Pairs.

Answer: 2. 8 Pairs

Question 12. In frogs several spinal nerves are:

  1. 9 Pairs and 10th unpaired
  2. 12 Pairs
  3. 31 Pairs
  4. 37 Pairs.

Answer: 1. 9 Pairs and 10th unpaired

Question 13. Which of the following statements apply to the teeth of a frog?

  1. Homodonty
  2. Heterodonty
  3. Pleurodonty
  4. Acrodonty and homodonty.

Answer: 4. Acrodonty and homodonty.

Question 14. Cells in the skin of a frog for change the color according to the environment are known as:

  1. Chromatophores
  2. Melanocytes
  3. Phagocytes
  4. Thrombocytes.

Answer: 2. Melanocytes

Question 15. In frog:

  1. Adult kidney develops from nephridia
  2. The heart has a single ventricular chamber
  3. There is a single portal system
  4. There are seven cervical vertebrae.

Answer: 1. Adult kidney develops from nephridia

Question 16. Frogs are ectothermic or poikilothermal animals because:

  1. Its body temperature is constant irrespective of the fluctuation in the temperature of the environment
  2. Its body temperature is higher than that of the surrounding environment
  3. Its body temperature is low and fluctuates with the temperature of the environment
  4. None of the above.

Answer: 4. None of the above.

Question 17. The dorsal median line present in the skin of a frog is :

  1. Warming line
  2. Cold adaptation line
  3. Sensory line
  4. Ornamental line.

Answer: 2. Cold adaptation line

Question 18. The opening in the frog cranium in which the spinal cord comes out is called:

  1. Foramen magnum
  2. Occipital condyle
  3. Pterygoid
  4. Obturator foramen.

Answer: 2. Occipital condyle

Question 19. The number of vertebrae in the vertebral column of a frog is:

  1. 9
  2. 9 Vertebrae and urostyle
  3. 8 Vertebrae and urostyle
  4. None of the above.

Answer: 2. 9 Vertebrae and urostyle

Question 20. The glenoid cavity or fossa in frogs is found in:

  1. Pelvic girdle
  2. Pectoral girdle
  3. Sacrum
  4. Skull.

Answer: 2. Pectoral girdle

Question 21. Acetabulum in frogs is associated with:

  1. Pelvic girdle
  2. Pectoral girdle
  3. Sacrum
  4. Cranium.

Answer: 2. Pectoral girdle

Question 22. The Iliac crest is a feature of frogs:

  1. Hyoid apparatus
  2. Sacrum
  3. Pelvic girdle
  4. Pectoral girdle.

Answer: 4. Pectoral girdle.

Question 23. The body of the frog is slimy with a mucus covering and the skin is maintained moist because the animal:

  1. Cannot hold food with dry skin
  2. Is unable to move with dry skin
  3. Is unable to swim with dry skin
  4. Has to perform cutaneous respiration.

Answer: 3. Is unable to swim with dry skin

Question 24. A well-fed frog’s skin is fully covered with a wax coating. After a day. The animal is found to be lazy and slow. This is because:

  1. Animal gets poisoned by nitrogenous wastes which the skin cannot excrete
  2. The animal is hungry
  3. The animal is oxygen-starved and cutaneous respiration is blocked
  4. None of the above.

Answer: 1. Animal gets poisoned by nitrogenous wastes which the skin cannot excrete

Question 25. The excretory product of an adult frog and tadpole in an internal gill stage respectively are :

  1. Urea in both
  2. Urea and uric acid
  3. Urea and ammonia
  4. Ammonia and uric acid.

Answer: 2. Urea and uric acid

Question 26. The largest living amphibian is the:

  1. Giant salamander of Japan
  2. The tiger salamander
  3. The crimson-spotted newt
  4. Necturus.

Answer: 4. Necturus.

Question 27. Which of the following is strictly aquatic amphibian?

  1. Ambystoma
  2. Cryptobranchus
  3. Necturus
  4. Diemictylus.

Answer: 2. Cryptobranchus

Question 28. A frog has no neck, suppose it has one, it would:

  1. Swallow its prey
  2. Unable to leap on land easily
  3. Breathe easily by floating on water’s surface
  4. Swim easily in water.

Answer: 1. Swallow its prey

Question 29. Nuptial pads occur on frogs:

  1. Inner toes
  2. Outer toes
  3. Inner fingers
  4. Outer fingers.

Answer: 1. Inner toes

Question 30. Which of the following is a limbless amphibian?

  1. Ichthyophis
  2. Rhacophorus
  3. Eryops
  4. Necturus.

Answer: 3. Eryops

Question 31. Neoteny is exhibited by :

  1. Axolotl larva
  2. Necturus
  3. Proteus
  4. All of these.

Answer: 2. Necturus

Question 32. The most striking case of parental care seen in:

  1. Alytes
  2. Echinoderm
  3. Surinam toad
  4. Necturus.

Answer: 2. Rhinoderm

Question 33. In toads poison glands are present in:

  1. Parotid duct
  2. Carotid labyrinth
  3. Parotid glands
  4. Sudoriferous glands.

Answer: 1. Parotid duct

Question 34. Coelom of rana is:

  1. Enterocoel
  2. Pseudocoel
  3. Schizocoel
  4. Eucoel.

Answer: 2. Pseudocoel

Question 35. The following vertebrate respires by skin :

  1. Fish
  2. Frog
  3. Crocodile
  4. Whale

Answer: 1. Fish

Question 36. Blindworm is :

  1. Typhlops
  2. Uraeotyphlus
  3. Ophiosaurs
  4. Necturus.

Answer: 4. Necturus.

Question 37. Ichthyophis is :

  1. Limbless amphibian
  2. Reptile
  3. Lizard
  4. Fish.

Answer: 1. Limbless amphibian

Question 38. Characteristic features of amphibians are:

  1. Presence of scales
  2. Amphibious mode of life
  3. Poison glands
  4. Absence of scales, glandular and moist skin.

Answer: 2. Amphibious mode of life

Question 39. Which of the following is a limbless amphibian?

  1. Hyla
  2. Necturus
  3. Amphiuma
  4. Uraeotyphlus.

Answer: 4. Uraeotyphlus.

Question 40. Which of the following similarity is between fish and tadpole?

  1. Fins
  2. Scales
  3. Gills
  4. All of these.

Answer: 2. Scales

Question 41. In frogs, there are:

  1. No outer ear
  2. No outer ear but eardrum and cochlea
  3. Cochlea and outer ear
  4. Eardrum and internal ear.

Answer: 2. No outer ear but eardrum and cochlea

Question 42.  The character that proves that frogs have evolved from fish is:

  1. Similarity in the shape of the head
  2. The ability to swim in water
  3. The tadpole larva in frogs which resembles the fishes in many characters
  4. None of the above.

Answer: 3. The tadpole larva in frogs which resembles the fishes in many characters

Question 43. The suspended state of life of animals is called:

  1. Hibernation
  2. Origin of life
  3. Aestivation
  4. Migration.

Answer: 3. Aestivation

Question 44. Axolotl is the name given to the larva of:

  1. Roundworm
  2. Amphioxus
  3. Ambystoma
  4. Silkworm.

Answer: 1. Roundworm

Question 45. The glands of Swammerdam are rich in the following:

  1. Calcium
  2. Acetylcholine
  3. Dopamine
  4. Gonadotrophin.

Answer: 1. Calcium

Question 46. The renal portal system is made of :

  1. Sciatic, renal portal veins
  2. Femoral, sciatic, renal portal veins
  3. Femoral, renal portal veins
  4. Renal portal veins.

Answer: 2. Femoral, sciatic, renal portal veins

Class Reptilia

Question 1. Hands and feet are grasping in:

  1. Chameleon
  2. Calotes
  3. Phrynosoma
  4. Draco.

Answer: 1. Chameleon

Question 2. The only poisonous lizard is:

  1. Varanus
  2. Phrynosoma
  3. Heloderma
  4. Calotes.

Answer: 3. Heloderma

Question 3. Heart in a crocodile is :

  1. Two chambered
  2. Three chambered
  3. Incomplete four chambered
  4. Complete four-chambered.

Answer: 4. Complete four-chambered.

Question 4. The functional udult kidney of reptiles arc :

  1. Pronephric
  2. Metanephric
  3. Mesonephric
  4. 50% Each of mesonephric and metanephric

Answer: 2. Metanephric

Question 5. The reason for the death of a patient of cobra bite is :

  1. Destruction of rbc
  2. Permanent contraction of muscles
  3. Inactivation of nerves
  4. None of the above.

Answer: 3. Inactivation of nerves

Question 6. A reptile which can live in water as well as on land:

  1. Turtle
  2. Python
  3. Sphenodon
  4. Hemidactylus.

Answer: 4. Hemidactylus.

Question 7. The cleidoic eggs first developed in:

  1. Fishes
  2. Amphibians
  3. Reptiles
  4. Birds.

Answer: 4. Birds.

Question 8. Gavialis gangeticus the Indian gharial does not have the powerful jaws of their crocodile cousins. They eat:

  1. Small aquatic birds
  2. Crabs and prawn
  3. Mollusc
  4. Fishes.

Answer: 3. Mollusc

Question 9. The largest living lizard is:

  1. Komodo dragon
  2. The homed toad
  3. Draco
  4. Heloderma

Answer: 1. Komodo dragon

Question 10. The only lizard with a prehensile tail is :

  1. Chameleon
  2. Calotes
  3. The Komodo dragon
  4. Flying lizard.

Answer: 3. The Komodo dragon

Question 11. Snakes lack tympanic membranes. The auxiliary olfactory organs are :

  1. Skin
  2. Scales
  3. Tongue
  4. Precomea.

Answer: 2. Scales

Question 12. The number of occipital condyles in the skull of reptiles is:

  1. Zero
  2. One
  3. Two
  4. Four.

Answer: 1. Zero

Question 13. Typhlops is a :

  1. Blind snake
  2. Glass snake
  3. Tree snake
  4. Sea snake.

Answer: 4. Sea snake.

Question 14. The sea snake is different from the rest because it has:

  1. Uniform scales on the head and body
  2. Pectoral and pelvic fins for swimming
  3. Big head
  4. A laterally compressed tail.

Answer: 2. Pectoral and pelvic fins for swimming

Question 15. Which of the following snakes is not poisonous?

  1. Naja naja
  2. Python
  3. Bungarus
  4. Hydrophis.

Answer: 1. Naja naja

Question 16. Most of the poisonous snakes have:

  1. Narrow transverse belly plates
  2. Wide transverse plates stretching completely across the belly
  3. Small uniform belly plates
  4. None of the above.

Answer: 4. None of the above.

Question 17. Skull of the reptile is :

  1. Dicondylar
  2. Monocondylar
  3. Tetracondylar
  4. None of these.

Answer: 2. Monocondylar

Question 18. Largest fossil reptiles are :

  1. Dinosaurs
  2. Archaeopteryx
  3. Sphenodon
  4. Pterosaurs.

Answer: 2. Archaeopteryx

Question 19. Reptiles that can glide in the air are:

  1. Heloderma
  2. Draco
  3. Phrynosoma
  4. Anguis.

Answer: 2. Draco

Question 20. Aquatic reptiles belong to the order :

  1. Crocodilia
  2. Lacertilia
  3. Ophidia
  4. Rhynchocephalia.

Answer: 2. Lacertilia

Question 21. Embryonic membranes of reptiles are:

  1. Yolk sac
  2. Amnion
  3. Allantois
  4. All of these.

Answer: 2. Amnion

Question 22. The poison glands of a poisonous snake are modified :

  1. Buccal glands
  2. Salivary glands
  3. Palatine glands
  4. Lacrimal glands.

Answer: 4. Lacrimal glands.

Question 23. Fangs develop on:

  1. Quadrate
  2. Squamosal
  3. Maxilla
  4. Mandibles.

Answer: 3. Maxilla

Question 24. Phrynosoma is :

  1. Horned lizard
  2. Flying lizard
  3. Monitor lizard
  4. Garden lizard.

Answer: 1. Horned lizard

Question 25. Which of the following is not a snake?

  1. Rattlesnake
  2. Rat snake
  3. Glass snake
  4. Blind snake.

Answer: 2. Rat snake

Question 26. Gymnophiona are :

  1. Wormiform without limbs
  2. Tail-less with long legs
  3. Scaleless with a well-developed tail
  4. Extinct with a massive endoskeleton.

Answer: 4. Extinct with a massive endoskeleton.

Question 27. The true coelom is lined with :

  1. Ectoderm
  2. Endoderm
  3. Mesoderm
  4. Ectoderm and endoderm.

Answer: 2. Endoderm

Question 28. Most adapted for desert habitat:

  1. Lizard
  2. Rana tigrina
  3. Cockroach
  4. Osteichthyes.

Answer: 1. Lizard

Question 29. The carapace is the outer hard covering of:

  1. Trilobites
  2. Lizards
  3. Tortoises
  4. Gharial.

Answer: 1. Trilobites

Question 30. Four chambered hearts are found in reptiles:

  1. Python
  2. Krait
  3. Crocodile
  4. Bungarus.

Answer: 3. Crocodile

Question 31. The study of lizards is called :

  1. Herpetology
  2. Saurology
  3. Ophiology
  4. Serology.

Answer: 2. Saurology

Question 32. A lizard found in New Zealand and was considered extinct:

  1. Rhynchoderma
  2. Sphenodon
  3. Varanus
  4. Gecko.

Answer: 2. Sphenodon

Question 33. A snake has :

  1. No eyelids
  2. Moveable eyelids
  3. Immoveable eyelids.
  4. Eyelids placed in pouches.

Answer: 3. Immoveable eyelids

Question 34. Kidney of adult reptiles are:

  1. Mesonephric
  2. Metanephric
  3. Pronephric
  4. Both 1 and 2.

Answer: 2. Metanephric

Question 35. To which of the following is carapace related?

  1. Crocodile
  2. Bird
  3. Tortoise
  4. None.

Answer: 3. Tortoise

Question 36. The non-poisonous snake is :

  1. Viper
  2. Python
  3. Naja
  4. None.

Answer: 2. Python

Question 37. The identifying character of cobra is :

  1. Presence of hood
  2. Small scales on the head
  3. Round tail
  4. The third supra labial touches the eye and nostril.

Answer: 1. Presence of hood

Question 38. Laterally compressed tail is found in :

  1. Marine, non-poisonous snakes
  2. Marine, poisonous snakes
  3. Freshwater snakes
  4. Terrestrial snakes.

Answer: 2. Marine, poisonous snakes

Question 39. Herpetology is the study of :

  1. Insects
  2. Birds
  3. Fishes
  4. Reptiles.

Answer: 4. Reptiles.

Question 40. Which of the following is true?

  1. All lizards are poisonous
  2. Only 2 species of Mexican lizards are poisonous
  3. The tail of the common lizard is poisonous
  4. No lizard is poisonous.

Answer: 2. Only 2 species of Mexican lizards are poisonous

Question 41. The venom of cobra affects the following:

  1. Digestive system
  2. Circulatory system
  3. Nervous system
  4. Respiratory system.

Answer: 2. Circulatory system

Question 42. When the tail is cylindrical and ventral scales do not extend the entire width of the belly, the snake is:

  1. Non-poisonous
  2. Either poisonous or non-poisonous
  3. Poisonous
  4. Deadly poisonous.

Answer: 2. Either poisonous or non-poisonous

Question 43. ‘Homed toad’ is a/an :

  1. Fish
  2. Amphibian
  3. Reptile
  4. Mammal.

Answer: 3. Reptile

Class Aves

Question 1. Birds are:

  1. Cold Blooded
  2. Homeothermal
  3. Poikilothermal
  4. Homeopoiesis.

Answer: 2. Homeothermal

Question 2. The wing and tail feathers of birds are termed as:

  1. Quill feathers
  2. Filoplumes
  3. Down feathers
  4. Shaft feathers.

Answer: 1. Quill feathers

Question 3. Birds sing:

  1. To ward off danger
  2. To bring together birds
  3. To attract mate
  4. For communication between parents and young- ones.

Answer: 3. To attract a mate

Question 4. A bird that does not incubate its eggs is:

  1. Cuckoo
  2. Common hummingbird
  3. Seagulls
  4. Penguins.

Answer: 1. Cuckoo

Question 5. The largest living bird weighing about 136 kg is:

  1. Emu
  2. Cassowary
  3. Ostrich
  4. Kiwi.

Answer: 3. Ostrich

Question 6. The largest order of birds is :

  1. Passiformes (songbirds)
  2. Columbiformes (pigeons)
  3. Falconiformes (birds of prey)
  4. Galliformes (pheasants and fowls).

Answer: 1. Passiformes (songbirds)

Question 7. Which of the following is our national bird?

  1. Pavo cristatus
  2. Gallus gallus
  3. Milvus migrans
  4. Diomedea exulans.

Answer: 1. Pavo cristatus

Question 8. Which bird has claws on its digits in the wings?

  1. Ostrich
  2. Rheas
  3. Hoatzin
  4. All of these.

Answer: 3. Hoatzin

Question 9. Birds shed their old feathers in:

  1. Late winter
  2. Autumn
  3. Late summer
  4. After breeding season.

Answer: 4. After breeding season.

Question 10. A typical feather has three parts viz: Vane or vexillum, after shaft and

  1. Calamus
  2. Furcula
  3. Rami
  4. Shaft.

Answer: 1. Calamus

Question 11. Birds groom their feathers with oil from preen glands. These are located:

  1. Under their beaks
  2. In the neck regions
  3. Below the eyes
  4. Near the cloaca.

Answer: 4. Near the cloaca.

Question 12. Which of the following is a bird of prey?

  1. Pavo
  2. Eudynamis
  3. Bubo
  4. Picus.

Answer: 2. Eudynamis

Question 13. Wings are modified into swimming paddles in :

  1. Ducks
  2. Geese
  3. Water fowls
  4. Penguins.

Answer: 4. Penguins.

Question 14. Rectrices are feathers of:

  1. Wings
  2. Body
  3. Tail
  4. Legs.

Answer: 3. Tail

Question 15. Birds are:

  1. Ureotelic
  2. Uricotelic
  3. Ammonotelic
  4. Aminotelic.

Answer: 2. Uricotelic

Question 16. The urinary bladder is absent in :

  1. Fishes
  2. Amphibians
  3. Mammals
  4. Birds.

Answer: 4. Birds.

Question 17. Which of the following can fly backward?

  1. Albatross
  2. Crane
  3. Hummingbird
  4. Penguin.

Answer: 3. Hummingbird

Question 18. Penguins are:

  1. Amphibious
  2. Terrestrial
  3. Strictly aquatic
  4. Strictly aerial.

Answer: 1. Amphibious

Question 19. The skull of birds is :

  1. Monocondylar
  2. Condylar
  3. Amphicondylar
  4. None Of These.

Answer: 1. Monocondylar

Question 20. Birds fly from place to place, this movement is termed:

  1. Cursorial
  2. Volant
  3. Scansorial
  4. Digitigrade.

Answer: 2. Volant

Question 21. Which one of the following birds sucks nectar?

  1. Parrot
  2. Red-vented bulbul
  3. Sunbird
  4. Mynah.

Answer: 3. Sunbird

Question 22. Feathers of birds are modifications of:

  1. Epidermal scales
  2. Plates
  3. Dermal scales
  4. None of the above.

Answer: 1. Epidermal scales

Question 23. Flight adaptations in the forelimbs of birds are:

  1. Presence of flight muscles
  2. Feathers arranged to form wings
  3. Pneumatic bones and clawless digits
  4. All the above.

Answer: 4. All the above.

Question 24. Avian skin contains :

  1. Oil glands in the region of the tail only
  2. Oil glands distributed all over the body
  3. Sweat glands
  4. Special sudoriferous glands.

Answer: 1. Oil glands in the region of the tail only

Question 25. Furcula of birds are formed of:

  1. Clavicles and interclavicles
  2. Coracoids
  3. Sternum and scapula
  4. Coracoids and clavicles.

Answer: 1. Clavicles and interclavicles

Question 26. Sound in birds is produced by:

  1. Syrinx
  2. 1 Aryngo-tracheal chamber
  3. Vocal cord
  4. Larynx.

Answer: 1. Syrinx

Question 27. Air sacs are present in :

  1. Terrestrial birds
  2. Aquatic birds
  3. All birds
  4. None of the above.

Answer: 4. None of the above.

Question 28. Number of aortic arches in birds is:

  1. One pair
  2. Two pairs
  3. Single left
  4. Single right.

Answer: 2. Two pairs

Question 29. The female genitalia of birds consists of:

  1. Paired ovaries which function alternatively
  2. Left functional ovary
  3. Right functional ovary
  4. Equipotent left and right ovaries.

Answer: 2. Left functional ovary

Question 30. Flightless birds comprise a group called :

  1. Ostrich
  2. Kiwi
  3. Emu
  4. Ratitae.

Answer: 4. Ratitae.

Question 31. Birds of prey lay their eggs :

  1. On lofty trees on high rocks
  2. In sand pits
  3. In nests built by them
  4. In water.

Answer: 1. On lofty trees on high rocks

Question 32. Which of the following traits is not characteristic of birds?

  1. Air sacs attached to lungs
  2. Hollow bones
  3. Ectothermic
  4. Amniote egg.

Answer: 3. Ectothermic

Question 33. The types of vertebrae seen in birds are :

  1. Opisthocoelous
  2. Amphicoelous
  3. Acoelous
  4. Heterocoelous.

Answer: 4. Heterocoelous.

Question 34. How many air sacs do pigeons have?

  1. 9
  2. 8
  3. 5
  4. 6.

Answer: 1. 9

Question 35. The wish-bone of a bird, which supports the flight muscle is formed from:

  1. The fusion of collarbones
  2. Anterior ribs
  3. Ventral extensions of vertebrae
  4. Posterior extensions of the larynx.

Answer: 1. The fusion of collarbones

Question 36. Which of these characters is not true for birds?

  1. Only one functional ovary present
  2. Urinary bladder absent
  3. Body temperature is constant within a narrow range
  4. The diaphragm separating the thorax from the abdomen is present.

Answer: 4. The Diaphragm separating the thorax from the abdomen is present.

Question 37. Which of the following is not the flight adaptation of the bird?

  1. Single ovary
  2. Hollow bones with air space.
  3. Light water waterproof feathers
  4. Presence of penis in some birds.

Answer: 4. Presence of penis in some birds.

Question 38. Which of these are the longest feathers?

  1. Contours
  2. Filoplumes
  3. Quill on wing
  4. Tail quill.

Answer: 4. Tail quill.

Question 39. The hollow long bones connected by air passages are characteristics of:

  1. All land vertebrates
  2. Mammals
  3. Reptiles
  4. Aves.

Answer: 4. Aves.

Question 40. Sinus venosus is absent in :

  1. Mammal
  2. Birds
  3. Reptiles
  4. Amphibia.

Answer: 3. Reptiles

Question 41. Penguin is related to:

  1. South pole
  2. North pole
  3. South America
  4. New Zealand.

Answer: 1. South pole

Question 42. In which of the following bird teeth are/were present:

  1. Pigeon
  2. Peacock
  3. Dodo
  4. Archaeopteryx.

Answer: 4. Archaeopteryx.

Question 43. Which sound-producing organ is found in birds?

  1. Pharynx
  2. Larynx
  3. Syrinx
  4. Trachea.

Answer: 3. Syrinx

Question 44. Both birds and bats fly. Bats are different from birds due to the presence of:

  1. Wings
  2. Four chambered heart
  3. Diaphragm
  4. Homiotherm.

Answer: 2. Four chambered heart

Question 45. Dodo disappeared from :

  1. Mauritius
  2. Indonesia
  3. Australia
  4. India.

Answer: 4. India.

Question 46. Long snout and backwardly directed claws are present in:

  1. Cursorial animals
  2. Fossorial animals
  3. Arboreal animals
  4. Aquatic animals.

Answer: 3. Arboreal animals

Question 47. Four chambered hearts are present in:

  1. Chelonia
  2. Crocodilia
  3. Amphibia
  4. Birds and Crocodilia.

Answer: 3. Amphibia

Question 48. Which bird sucks nectar :

  1. Humming Bird
  2. Parrot
  3. Sarus crane
  4. Albatross.

Answer: 1. Humming Bird

Question 49. Pneumatic bones are expected to be found in :

  1. Flying fish
  2. Frog’s tadpole
  3. Pigeon
  4. House lizard.

Answer: 4. House lizard.

Question 50. All birds are:

  1. Omnivorous
  2. Have feathers and fly
  3. Have calcareous shelled egg
  4. Form nests and care for their young ones.

Answer: 3. Have calcareous shelled egg

Question 51. Flightless bird cassowary is found in :

  1. Mauritius
  2. Indonesia
  3. New Zealand
  4. Australia.

Answer: 2. Indonesia

Question 52. In birds, some of the vertebrae are fused to form:

  1. Syncytium
  2. Synsacrum
  3. Keel
  4. Furcula.

Answer: 1. Syncytium

Vertebrates And Invertebrates MCQs NEET

Question 53. The vertebrae in birds are mostly :

  1. Procoelous
  2. Amphicoelous
  3. Opisthocoelous
  4. Heterocoelous.

Answer: 2. Amphicoelous

Question 54. The “wishbone” or “Merrythought bone” of birds is :

  1. Sternum
  2. Scapula
  3. Coracoid
  4. Clavicles.

Answer: 2. Scapula

Question 55. Flightless, aquatic birds are included in this group :

  1. Ratittae
  2. Carinatae
  3. Odontognathae
  4. Impennae.

Answer: 4. Impennae.

Questions for NEET Biology Animal Kingdom PhylumQuestion 56. The study of bird migration is known as :

  1. Phenology
  2. Oology
  3. Nidology
  4. Ornithology.

Answer: 2. Oology

Question 57. The state which has named most of its holiday resorts after names of birds is :

  1. Himachal Pradesh
  2. Haryana
  3. Assam
  4. Karnataka.

Answer: 2. Haryana

Question 58. Dr. Salim Ali is a famous birdman of India. He observed and described a maximum number of birds. His last desire was to rediscover:

  1. Himalayan mountain quail
  2. Jerdon’s courser
  3. Indian courser
  4. White-breasted King Fisher.

Answer: 1. Himalayan mountain quail

Question 59. The scientist who described the birds as glorified reptiles

  1. Romer
  2. Huxley
  3. Mendel
  4. Robert Hooke.

Answer: 2. Huxley

Question 60. The special sound-producing organ in birds is:

  1. Syrinx
  2. Glottis
  3. Larynx
  4. None.

Answer: 1. Syrinx

Question 61. Which one of the following is a flightless bird:

  1. Pavo cristatus
  2. Corvus
  3. Aptenodytes
  4. Passer.

Answer: 1. Pavo cristatus

Vertebrates And Invertebrates MCQs NEET

Question 62. The larynx is also called :

  1. Glottis
  2. Epiglottis
  3. Voice box
  4. Vocal chord.

Answer: 3. Voicebox

Question 63. The bones of a bird are :

  1. Hollow and heavy
  2. Solid but light
  3. Hollow and light
  4. Like iron rods.

Answer: 3. Hollow and light

Question 64. Which of the following birds is a famous migratory bird in India?

  1. Arctic tern
  2. Wagtail
  3. Maina
  4. Goose.

Answer: 1. Arctic tern

Question 65. Kingfisher is a bird in which the feet are :

  1. Scratching type
  2. Raptorial
  3. Wading type
  4. Perching type.

Answer: 3. Wading type

Question 66. The young chickens raised specifically for meat are called :

  1. Hen
  2. Broilers
  3. Cockerels
  4. Pullets.

Answer: 2. Broilers

Question 67. What is common between ostrich, penguin, and kiwi?

  1. These are running birds
  2. These have four toes on their feet
  3. These are migratory birds
  4. These are flightless birds.

Answer: 1. These are running birds

Vertebrates And Invertebrates MCQs NEET

Question 68. Bone marrow is absent in :

  1. Reptilia
  2. Amphibia
  3. Fishes
  4. Birds.

Answer: 4. Birds.

Question 69. The national bird of India is :

  1. The Peacock
  2. The house sparrow
  3. The hornbill
  4. Black swan.

Answer: 1. The peacock

Class Mammalia

Question 1. Tachyglossus is a representative of:

  1. Prototheria
  2. Eutheria
  3. Metatherian
  4. Proboscidia.

Answer: 1. Prototheria

Question 2. The body is covered by large, thick, homy, overlapping scales in:

  1. Hedgehog
  2. Pangolin
  3. Porcupine
  4. Hare.

Answer: 2. Pangolin

NEET Previous Year Questions on Chordates

Question 3. Loris belongs to the order :

  1. Primata
  2. Insectivora
  3. Rodentia
  4. Chiroptera.

Answer: 1. Primata

Question 4. Tusks occur in :

  1. Elephant
  2. Dugong
  3. Walrus
  4. All of these.

Answer: 4. All of these.

Question 5. Hind limbs are lacking in :

  1. Balaenoptera
  2. Dugong
  3. Both of them
  4. None of these.

Answer: 3. Both of them

Question 6. Which of the following is not a primate?

  1. Rhesus monkey
  2. Man
  3. Lemur
  4. Cat.

Answer: 4. Cat.

Question 7. Which of the following is a toothless whale?

  1. Dolphin
  2. Killer whale
  3. Narwhale
  4. Whalebone whale.

Answer: 4. Killer whale

Question 8. Bats can find their way in the dark by being highly sensitive:

  1. Electromagnetic mechanism
  2. Sonar mechanism
  3. Heat mechanism
  4. None of the above.

Answer: 2. Sonar mechanism

NEET Previous Year Questions on Chordates

Question 9. Unguligrade is the posture referred to as:

  1. Man
  2. Horse.
  3. Cat
  4. Mouse.

Answer: 2. Horse.

Question 10. The smallest mammal is :

  1. Shrew
  2. Mouse
  3. Mole
  4. Platypus.

Answer: 1. Shrew

Question 11. The whale is a warm-blooded mammal. It survives in cold seas. Its main device is:

  1. Blubber
  2. Pelage
  3. Muscles
  4. Blood vessel.

Answer: 1. Blubber

Phylum Chordata NEET Questions Question 12. Seal belongs to order ;

  1. Sirenia
  2. Carnivora
  3. Lagomorpha
  4. Proboscidia.

Answer: 2. Carnivora

Question 13. Which one of the following glands is responsible for aging?

  1. Islets of Langerhans
  2. Thyroid
  3. Thymus
  4. Parathyroid.

Answer: 3. Thymus

Question 14. Common cloacal aperture is found in :

  1. Metatherian
  2. Prototherians
  3. Prototherians and metatherians
  4. Metatherian and eutherians.

Answer: 3. Prototherians and metatherians

NEET Previous Year Questions on Chordates

Question 15. The patella, and the kneecap an examples of:

  1. Cartilage bone
  2. Replacing bone
  3. Sesamoid bone
  4. None of these.

Answer: 2. Replacing bone

Question 16. Which one of the following is without a cloaca?

  1. Dogfish
  2. Hen
  3. Frog
  4. Rabbit.

Answer: 4. Rabbit.

Question 17. Prototherians evolved from :

  1. Eutherians
  2. Reptiles
  3. Amphibians
  4. Birds.

Answer: 2. Reptiles

Phylum Chordata NEET Questions Question 18. The common indian hare is:

  1. Rattus rattus
  2. Camelus dromodarius
  3. Tachyglossus
  4. Lepus ruficaudatus.

Answer: 4. Lepus ruficaudatus.

Question 19. The exoskeleton of a rabbit consists of:

  1. Hairs, horns, and claws
  2. Hairs and claws
  3. Hairs, horns, and hoofs
  4. Hairs.

Answer: 2. Hairs and claws

Characteristics Of Chordates MCQs NEET

Question 20. The elephant is an inhabitant of the hot climate. This is suggested by:

  1. Fleshy feet
  2. Huge size
  3. Small eggs
  4. Almost hairless skin.

Answer: 2. Huge size

Question 21. The whale is a warm-blooded creature that can survive in very cold seas. The main device for keeping the body warm is:

  1. Thick hair coal
  2. Thick layer of fat
  3. Thick muscle
  4. Thick blood vessels.

Answer: 3. Thick muscle

Question 22. Mammals lack mucous glands in their skin because:

  1. Skin is not respiratory
  2. The skin is tough
  3. Skin is slippery
  4. The epidermis has many layers of cells.

Answer: 1. Skin is not respiratory

Question 23. The dermis in the skin of mammals is produced by:

  1. The malpighian layer
  2. The regenerating cells of the skin
  3. The dermal cells
  4. None of the above.

Answer: 4. None of the above.

Question 24. Which mammal lays eggs:

  1. Spiny anteater
  2. Bat
  3. Hedgehog
  4. Scaly anteater.

Answer: 1. Spiny anteater

Question 25. The bear has very thick hair while the elephant has very scanty, this suggests that the bear :

  1. Has not been domesticated
  2. Lives in a cold climate
  3. Has more natural enemies than elephant
  4. Has more sexual dimorphism than elephants.

Answer: 2. Lives in cold climate

Question 26. The hairy and milk-producing duckbill platypus lays eggs and has a common aperture for rectal, reproductive, and excretory products. It suggests that:

  1. This is a stage between birds and mammals
  2. This is a degenerated mammal
  3. This is a primitive mammal retaining some of the reptilian features
  4. This is a reptile that gives rise to mammals.

Answer: 3. This is a primitive mammal retaining some of the reptilian features

Question 27. The name of structure in mammals which divides the body into two parts is called as:

  1. Ileum
  2. Ischium
  3. Diaphragm
  4. Liver.

Answer: 3. Diaphragm

Characteristics Of Chordates MCQs NEET

Question 28. Intercostal muscles extend between :

  1. The femur and tibia
  2. Thoracic ribs
  3. Digits of fingers
  4. Radius and ulna.

Answer: 4. Radius and ulna.

Question 29. The whale is a mammal because it:

  1. Bears a pair of lungs
  2. Bears 4 chambered heart
  3. Bears a diaphragm between the thorax and abdomen
  4. All of the above.

Answer: 2. Bears 4 chambered heart

Question 30. The injection of serum of a horse that has been repeatedly injected with cobra venom into a person, bitten by cobra results in:

  1. Active immunity
  2. Natural immunity
  3. Passive immunity
  4. No immunity.

Answer: 4. No immunity.

Question 31. In mammals, the sperms are stored in :

  1. Prostate gland
  2. Seminiferous tubules
  3. Epididymis
  4. Cowper’s gland.

Answer: 1. Prostate gland

Question 32. Bats belong to the order:

  1. Rodentia
  2. Proboscidea
  3. Carnivora
  4. Chiroptera.

Answer: 4. Chiroptera.

Characteristics Of Chordates MCQs NEET

Question 33. What is the approximate volume of blood per kilogram of our body weight?

  1. 55 Ml
  2. 45 Ml
  3. 70 Ml
  4. 120 Ml.

Answer: 3. 70 Ml

Question 34. Which part of the ear is common to both frogs and mammalian ears?

  1. Organ of Corti
  2. Columella auris
  3. Eustachian tube
  4. Cochlea.

Answer: 3. Eustachian tube

Question 35. Sebaceous glands are seen in :

  1. Dermis of human skin
  2. Epidermis of pigeon’s skin
  3. Dermis of the skin of the frog
  4. Epidermis of human skin.

Answer: 2. Epidermis of pigeon’s skin

Question 36. Which of the following can be seen only in the female mammals?

  1. Corpus callosum
  2. Corpus luteum
  3. Corpora adipose
  4. Corpora cavernosa.

Answer: 2. Corpus luteum

Question 37. Flying fox is a :

  1. Bat
  2. Bird
  3. Owl
  4. Reptile.

Answer: 1. Bat

Question 38. Which of the glands in mammals produces tears?

  1. Sebaceous
  2. Lacrimal
  3. Ceruminous
  4. Sudoriferous.

Answer: 2. Lacrimal

Question 39. During the serological test, antihuman serum is mixed with the blood of another animal. Blood of which animal gives the thickest precipitate

  1. Gibbon
  2. Dog
  3. Mule
  4. Chimpanzee.

Answer: 3. Mule

Question 40. Order primates contain:

  1. Bats and vampire
  2. Horses and zebra
  3. Monkeys and man
  4. Shrew and hedgehog.

Answer: 3. Monkeys and man

Characteristics Of Chordates MCQs NEET

Question 41. Which of the following animals is an example of class Mammalia?

  1. Manis
  2. Planorbis
  3. Hydrophis
  4. Psittacula.

Answer: 1. Manis

Question 42. In which of the following mammary glands are found?

  1. In all mammals
  2. In placental mammals
  3. Only in metatherian
  4. In all chordates.

Answer: 1. In all mammals

Question 43. Which of the following is a metatherian?

  1. Ant eater
  2. Kangaroo
  3. Sea cow
  4. Sea lion.

Answer: 2. Kangaroo

Question 44. The renal portal system is absent in :

  1. Frog
  2. Rabbit
  3. Lizard
  4. Reptile.

Answer: 2. Rabbit

Animal Kingdom chordates NEET QuestionsQuestion 45. Which of the following groups belongs to amniota?

  1. Pisces and amphibia
  2. Amphibia and reptilia
  3. Reptilia and Aves
  4. Reptilia, aves and mammals.

Answer: 4. Reptilia, Aves, and Mammalia.

Question 46. Which of the following mammals originated from?

  1. Pisces
  2. Amphibia
  3. Reptilia
  4. Aves

Answer: 3. Reptilia

Question 47. Right systemic arch is absent in :

  1. Reptiles
  2. Birds
  3. Mammals
  4. None of these

Answer: 4. None of these

Question 48. Ruminants are:

  1. Artiodactylus
  2. Peri ssodactylus
  3. Edentate
  4. Pholidota.

Answer: 1. Artiodactylus

Question 49. Among the following sets of salient features which set does not exclusively characterize mammals?

  1. Presence of mammary glands, hairs on skin, and diaphragm
  2. Presence of sweat glands, hairs on the skin, and dipsydonts
  3. The presence of mammary glands, sweat glands, and diaphragm
  4. Warm-blooded 4-chambered heart and fetal membranes.

Answer: 3. Presence of mammary glands, sweat glands and diaphragm

Animal Kingdom chordates NEET Questions Question 50. Which of the following depends upon echolocation for survival?

  1. Bats and insects
  2. Some mammals
  3. Only bats
  4. Bats and birds.

Answer: 3. Only bats

Question 51. Which of the following statements is true :

  1. Bats can fly easily with eyes open and ears plugged
  2. Bats can fly easily with eyes closed and ears open
  3. Bats can fly easily muzzle tied and eyes open
  4. Bats can fly easily with ears plugged and muzzle tied.

Answer: 4. Bats can fly easily with ears plugged and muzzle tied.

Question 52. Mammary glands are without teats or nipples in :

  1. Prototheria
  2. Eutheria
  3. Metatheria
  4. Pantotheria.

Answer: 2. Eutheria

Question 53. Marine mammals such as cetaceans, living at the bottom of water can live for a very long time in the water because :

  1. They have large fat deposits
  2. They have very large lungs
  3. They have small lungs
  4. They have light body weight

Answer: 4. They have light body weight

Animal Kingdom Chordata MCQs For NEET

Question 54. Camel is good in the desert because:

  1. It can store large amounts of water
  2. Metabolic activities need less water
  3. It can smell water from long distances
  4. It does not require water.

Answer: 4. It does not require water.

Question 55. Which of the following is the largest mammal?

  1. Elephant
  2. Rhinoceros
  3. Whale
  4. Dinosaur.

Answer: 4. Dinosaur.

Question 56. In mammalian societies, a social group called a troop consisting of about 30-150 members can be seen in the:

  1. Wolves
  2. Bonnet and rhesus monkey
  3. Indian elephants
  4. Lions.

Answer: 2. Bonnet and rhesus monkey

Question 57. All true mammals are characterized without exception by :

  1. Diaphragm
  2. Mammary glands
  3. Viviparity
  4. Hair

Answer: 1. Diaphragm

Question 58. The vestigial pelvic girdle and bones of hind limbs are characteristics of :

  1. Rodents
  2. Otters
  3. Whales
  4. Sharks.

Answer: 3. Whales

Question 59. The only mammal in which poison glands are found

  1. Porcupine
  2. Sloth
  3. Ornithorhynchus
  4. Polar bear.

Answer: 3. Ornithorhynchus

Animal Kingdom Chordata MCQs For NEET

Question 60. An example of an oviparous mammal is:

  1. Talpa
  2. Erinaceous
  3. Macropus
  4. Echidna.

Answer: 4. Macropus

Question 61. Which of the following is a plankton feeder:

  1. Aquatic mammals
  2. Dolphins
  3. Sponges
  4. Crab.

Answer: 2. Dolphins

Question 62. Mammalia is a:

  1. Category
  2. Taxon
  3. Both the above
  4. None of the above.

Answer: 2. Taxon

Question 63. External ears are characteristics of:

  1. Birds
  2. Mammals
  3. Birds and mammals
  4. Mammals and reptiles.

Answer: 2. Mammals

Question 64. Diaphragm is found in :

  1. Crocodile
  2. Kangaroo
  3. Ostrich
  4. None.

Answer: 2. Kangaroo

Animal Kingdom Chordata MCQs For NEET

Question 65. Pinna is absent in the following order :

  1. Primata
  2. Sirenia
  3. Rodentia
  4. Edentata.

Answer: 2. Sirenia

Question 66. Which one of the following is prototherian?

  1. Platypus
  2. Kangaroo
  3. Opposum
  4. None.

Answer: 1. Platypus

Question 67. The animals in the deep sea water will be severely affected by:

  1. Sewage
  2. Nuclear wastes
  3. Oil spills
  4. Heavy metals.

Answer: 2. Nuclear wastes

Question 68. Only poisnous mammal is :

  1. Echidna
  2. Guinea pig
  3. Ornithorhynchus
  4. Ophidia.

Answer: 3. Ornithorhynchus

Question 69. Pouched mammals are known as :

  1. Prototherians
  2. Metatherians
  3. Eutherians
  4. Therians.

Answer: 2. Metatherians

Question 70. Egg-laying mammals are called :

  1. Marsupials
  2. Monotremes
  3. Eutherians
  4. Therians.

Answer: 2. Monotremes

Animal Kingdom Chordata MCQs For NEET

Question 71. Bats can fly only when :

  1. Their eyes are open
  2. Their ears and eyes are open
  3. Their muzzle and ear are plugged with cotton
  4. Both muzzle and ear are open.

Answer: 4. Both the muzzle and ear are open.

Phylum Chordata NEET Questions Question 72. The long neck of the camel is due to the:

  1. Increase in length of cervical vertebrae
  2. Due to a bony plate between two vertebrae
  3. Due to muscle in between two vertebrae
  4. None of the above.

Answer: 2. Due to a bony plate between two vertebrae

Question 73. Which animal has the largest heart:

  1. Lion
  2. Giraffe
  3. Elephant
  4. Rhinoceros.

Answer: 2. Giraffe

Question 74. Nails, hoofs, and horns are derived from tissue:

  1. Epithelium
  2. Cartilage
  3. Supporting tissue
  4. Bone.

Answer: 1. Epithelium

Question 75. Tusks of elephant are :

  1. Incisor
  2. Canine
  3. Premolar
  4. Molar.

Answer: 1. Incisor

Question 76. The biological name of domestic cat is :

  1. Panthera domestica
  2. Felis domestica
  3. Felis leo
  4. Panthera indica.

Answer: 2. Felis domestica

Phylum Chordata NEET Questions Question 77. Which of the following is a pouched mammal?

  1. Bat
  2. Dolphin
  3. Kangaroo
  4. Hedgehog.

Answer: 3. Kangaroo

Question 78. Oryctolagus cuniculus belongs to :

  1. Mammalia
  2. Eutheria
  3. Lagomorpha
  4. Artiodactyla.

Answer: 3. Lagomorpha

Question 79. Rats, mice, squirrels, and porcupines are characterized by :

  1. Pinna, chisel teeth, hairs
  2. Chisel teeth, missing canines, and prcmolars
  3. Chisel teeth, long canines, and sharp prcmolars
  4. Long incisors, long canines, and missing prcmolars.

Answer: 2. Chisel teeth, missing canines and prcmolars

Question 80. Which one of the following is an exclusive character of class Mammalia?

  1. Homoiothermy
  2. Presence of a completely 4-chambered heart
  3. Internal fertilization
  4. Presence of a muscular diaphragm.

Answer: 4. Presence of a muscular diaphragm.

Question 81. Order cetacea of class Mammalia is famous for:

  1. Flying mammals
  2. Aquatic mammals
  3. Trunked mammals
  4. Gnawing mammals.

Answer: 2. Aquatic mammals

Animal Kingdom Chordata MCQs For NEET

Question 82. In mammals, carbon dioxide is transported from tissues to the respiratory surface by:

  1. Plasma only
  2. Red blood corpuscles only
  3. Red blood corpuscles as well as white blood corpuscles
  4. Plasma and only red blood corpuscles.

Answer: 4. Plasma and only red blood corpuscles.

Question 83. Which animal has the least number of bones in the lower jaw :

  1. Snake
  2. Rabbit
  3. Frog
  4. Fish.

Answer: 2. Rabbit

Question 84. The following mammal lays eggs :

  1. Porcupine
  2. Platypus
  3. Kangaroo
  4. Koala.

Answer: 2. Platypus

Question 85. What is common in a whale, a bat, and a rat?

  1. Presence of external ears
  2. Absence of neck
  3. A muscular diaphragm between the thorax and abdomen
  4. Extra-abdominal testes to avoid higher temperature of the inside of the body.

Answer: 3. A muscular diaphragm between the thorax and abdomen

Question 86. The term “blubber” refers to :

  1. None
  2. The irregular heart-beat sounds
  3. A substitute for natural rubber
  4. A subcutaneous deposition of fat in whales.

Answer: 4. A subcutaneous deposition of fat in whales.

Question 87. Which one of the following animals is an egg-laying animal?

  1. Kangaroo
  2. Whale
  3. Dolphin
  4. Spiny ant-eater.

Answer: 4. Spiny ant-eater.

Question 88. In which of the following animal’s milk is squirted down the throat of the baby by muscular contraction of the mother:

  1. Camel
  2. Bear
  3. Rhinoceros
  4. Whale.

Answer: 4. Whale.

Question 89. Asiatic lion is :

  1. Panthera pardues
  2. Panthera tigris
  3. Panther uncia
  4. Panthera leopersica.

Answer: 4. Panthera leopersica.

Animal Kingdom Chordata MCQs For NEET

Question 90. The scientific name of Indian ape is :

  1. Presbytis
  2. Macaco
  3. Hyalobates
  4. Gorilla.

Answer: 3. Hyalobates

Question 91. What is referred to as gestation?

  1. Fertilization
  2. Ovulation
  3. Period of pregnancy
  4. None of these.

Answer: 3. Period of pregnancy

Question 92. The shape of a fish and whale indicates :

  1. Convergence
  2. Divergence
  3. Adaptive radiation
  4. Evolutionary replacement.

Answer: 1. Convergence

Questions For Competitive Examinations

Question 1. The order Insectivora comes under:

  1. Class Insecta
  2. Class mammalia
  3. Phylum—Arthropoda
  4. Phylum—echinodermata.

Answer: 2. Class mammalia

Question 2. Which fish selectively feed on larvae of mosquitoes:

  1. Gambusia
  2. Rohu
  3. Clarias
  4. Exocoetus.

Answer: 1. Gambusia

Question 3. In which of the following animal post-anal tail is found:

  1. Earthworm
  2. Lower invertebrate
  3. Scorpion
  4. Snake.

Answer: 4. Snake.

Question 4. Venom of cobra attacks on :

  1. Nervous system
  2. Respiratory system
  3. Digestive system
  4. Circulatory system.

Answer: 1. Nervous system

Question 5. Which of the following animals is not ammonotelic ?

  1. Whale
  2. Fishes
  3. Amoeba
  4. Tadpole.

Answer: 1. Whale

Question 6. Which of the following is not classified as amphibian?

  1. Frog
  2. Salamander
  3. Ichthyophis
  4. Tortoise

Answer: 4. Tortoise

NEET Biology Phylum Chordata Questions

Question 7. Frog’s testis does not possess:

  1. Interstitial cells
  2. Seminiferous tubules
  3. Sertoli cells
  4. Seminal vesicles.

Answer: 3. Sertoli cells

Question 8. Which group of vertebrates comprises the highest number of endangered species?

  1. Birds
  2. Mammals
  3. Fishes
  4. Reptiles.

Answer: 2. Mammals

Question 9. Given below are four matchings of an animal and its kind of respiratory organ:

  1. Silverfish trachea
  2. Scorpion book lung
  3. Sea squirt pharyngeal
  4. Dolphin skin

Answer: 3. Sea squirt pharyngeal

Question 10. Two-toed hoofed feet occur in which animals:

  1. Horse
  2. Elephant
  3. Zebra
  4. Sheep.

Answer: 4. Sheep.

Question 11. Ancestors of mammals belong to:

  1. Therapsida
  2. Omithischia
  3. Silusoidea
  4. Chelonia.

Answer: 1. Therapsida

MCQ Animal Kingdom Question 12. Besides bats, echolocation also occurs in

  1. Primates
  2. Wild cat
  3. Whales and dolphins
  4. Beavers.

Answer: 3. Whales and dolphins

Question 13. Bat is a member of the order:

  1. Chiroptera
  2. Urodela
  3. Hymenoptera
  4. Lagomorpha.

Answer: 1. Chiroptera

NEET Biology Phylum Chordata Questions

Question 14. Choose the catfish from the following :

  1. Labeo rohita
  2. Catla cat la
  3. Wallago attu
  4. Cirrhina mrigala

Answer: 4. Cirrhina mrigala

Question 15. The scientific name of Zebu is :

  1. Lobulus bubbles
  2. Gallus gallus
  3. Bos indicus
  4. Bombyx mori.

Answer: 3. Bos indicus

Question 16. Mule is a product of:

  1. Breeding
  2. Mutation
  3. Hybridization
  4. Interspecific hybridisation.

Answer: 4. Interspecific hybridisation.

Question 17. Viper venom affects :

  1. Circulatory system
  2. Nervous system
  3. Respiratory system
  4. None of the above.

Answer: 1. Circulatory system

Question 18. Use of the following is a unique feature of the mammalian body :

  1. Four chambered heart
  2. Rib cage
  3. Homeothermy
  4. Diaphragm.

Answer: 4. Diaphragm.

Question 19. The chambered heart is not found in :

  1. Snakes
  2. Birds
  3. Crocodiles
  4. Whale.

Answer: 1. Snakes

Question 20. Which one of the following is correctly matched:

  1. House lizards — four-chambered heart
  2. Heloderma — poison gland
  3. Chameleon — binocular vision
  4. Varanus— prehensile tail.

Answer: 2. Heloderma — poison gland

Question 21. Catadromous fish migrates from :

  1. River to estuary
  2. River to sea
  3. Sea to river
  4. Deep sea to surface water.

Answer: 2. River to sea

NEET Biology Phylum Chordata Questions

Question 22. Which one of the following is an exclusive character of class Mammalia?

  1. Internal fertilization
  2. Homoiothermy
  3. Presence of a muscular diaphragm
  4. Presence of a completely 4-chambered heart.

Answer: 3. Presence of a muscular diaphragm

Question 23. Annual migration does not occur in the case of:

  1. Siberian crane
  2. Salamander
  3. Arctic tern
  4. Salmon.

Answer: 3. Arctic tern

Question 24. Which one of the following characters is not typical of the class mammalia?

  1. Seven cervical vertebrae
  2. Thecodont dentition
  3. Ten pairs of cranial nerves.
  4. Alveolar lungs.

Answer: 3. Ten pairs of cranial nerves.

NEET Biology Phylum Chordata Questions

Question 25. In which one of the following sets of animals do all four give birth to young ones?

  1. Shrew, bat, cat, kiwi
  2. Kangaroo, hedgehog, dolphin, loris
  3. Lion, bat, whale, ostrich
  4. Platypus, penguin, bat, hippopotamus.

Answer: 4. Platypus, penguin, bat, hippopotamus

Question 27. All mammals without any exception are characterized by

  1. Viviparity and biconcave red blood cells
  2. Extra-abdominal testes and a four-chambered heart
  3. Heterodont teeth and 12 pairs of cranial nerves
  4. A muscular diaphragm and milk-producing glands.

Answer: 4. A muscular diaphragm and milk-producing glands.

Question 28. Lizard-like member of the reptila is sitting on a tree with its tail coiled around a twig. This animal could be

  1. Hemidactylus showing sexual dimorphism
  2. Varanus showing mimicry
  3. Garden lizard (calories) showing camouflage
  4. Chameleon showing protective coloration.

Answer: 4. Chameleon showing protective coloration.

Question 29. Which of the following statements are true/false?

  1. In torpedo, the electric organs are capable of generating strong electric shock to paralyze the prey
  2. Bony fishes use pectoral, pelvic, dorsal, anal, and caudal fins in swimming
  3. Amphibian skin is moist and has thick scales
  4. Birds are poikilothermous animals
  5. The most unique mammalian characteristic is the presence of milk-producing mammary glands by which the young ones are nourished.

Choose the correct option

  1. 1, 2 And 3 are true; 4, 5 are false
  2. 1, 2 And 5 are true ; 3 and 4 are false
  3. 1,4 And 5 are true; 2 and 3 are false
  4. 1, 2 And 4 are false ; 3 and 5 are true
  5. Only 4 is true; 1, 2, 3 and 5 are false.

Answer: 2. 1, 2 And 5 are true ; 3 and 4 are false

Question 30. Which of the following statements is true?

  1. All living members of class Cyclostomata are parasites on some fishes
  2. There are about 2,000 species in the class Osteichthyes
  3. Ciona belongs to the subphylum Cephalochordata
  4. Arthropods are triploblastic animals
  5. Ascaris lumbricoides is a flat worm.

Answer: 1. All living members of class Cyclostomata are parasites on some fishes

Question 31. Which of the following characters is exclusive to mammals?

  1. The presence of a four-chambered heart
  2. Homeothermic condition
  3. Respiration by lungs
  4. Presence of a diaphragm.

Answer: 4. Presence of a diaphragm.

Phylum Chordata NEET Questions Question 32. Which of the following statements is/are not true ?

  1. In Urochordata, the notochord is present only in the larval tails.
  2. In cephalochordata, the notochord extends from the head to the tail region.
  3. Branchiostoma belongs to hemichordata.
  4. Only one class of living members, class Cyclostomata represents the superclass agnatha.

choose the correct opition 

  1. 1, 2 And 4 only
  2. 3, 4 And 1 only
  3. 3 Only
  4. 1 And 4 only
  5. 3 And 4 only

Answer: 3. 3 Only

Question 33. A poisonous lizard is :

  1. Varanus
  2. Chamaeleon
  3. Ancistrodon
  4. Heloderma

Answer: 4. Heloderma

Question 34. What is common between parrot, platypus, and kangaroo?

  1. Toothless jaws
  2. Functional post-anal tail
  3. Ovoparity
  4. Homeothermy.

Answer: 4. Homeothermy.

Question 35. What is common to whales, seals, and sharks?

  1. Thick subcutaneous fat
  2. Convergent evolution
  3. Homoiothermy
  4. Seasonal migration.

Answer: 2. Convergent evolution

Question 36. Which of the following pairs are correctly matched?

  1. Animals -morphological features
  2. Crocodile -4-chambered heart
  3. Sea urchin-parapodia
  4. Obelia -metagenesis
  5. Lemour -thecodont
  6. 2, 3 And 4
  7. Only 1 and 4
  8. Only 1 and 2
  9. 1,3 And 4.

Answer: 4. 1,3 And 4.

Question 37. Which one of the following is not a characteristic feature of the subphylum Vertebrata?

  1. Presence of kidneys
  2. Ventral muscular heart
  3. Dorsal tubular nerve cord
  4. The presence of notochord in the adult
  5. Two pairs of lateral appendages, fins, or limbs.

Answer: 4. Two pairs of lateral appendages, fins, or limbs.

NEET Biology Phylum Chordata Questions

Question 38. In mammals, the teeth are :

  1. Of different types
  2. Embedded in the cup-like-socket of the jaw bones

Only two sets, present throughout life these conditions are referred to as:

  1. Heterodont, thecodont, and diphyodont
  2. Thecodont, heterodont, and diphyodont
  3. Diphyodont, thecodont, and heterodont
  4. Heterodont, diphyodont, and thecodont
  5. Thecodont, diphyodont, and heterodont.

Answer: 1. Heterodont, thecodont and diphyodont

Question 39. Statement: all metatherians are placental mammals. Statement: all placental mammals have a menstrual cycle.

  1. Statement (1) is true and statement (2) is false
  2. Statement (2) is true and statement (1) is false
  3. Both the statements (1) and (2) are true
  4. Both the statements (1) and (2) are false.

Answer: 4. Both the statements (1) and (2) are false.

Question 40. The reason of the death of a patient of cobra bite is:

  1. Permanent contraction of muscles
  2. Inactivation of nerves
  3. Destruction of RBCs
  4. None of the above.

Answer: 1. Permanent contraction of muscles

Question 41. Types of quill (flight) feathers are :

  1. Down feathers
  2. Covert
  3. Filoplume
  4. Remiges.

Answer codes:

  1. 1 And 2 are correct
  2. 2 And 4 are correct
  3. 1 And 3 are correct
  4. 1, 2 And 3 are correct

Answer: 2. 2 And 4 are correct

Phylum Chordata NEET Questions Question 42. Which of the following has a copulatory organ?

  1. Parrot
  2. Toad
  3. Snake
  4. Squirrel.

Answer: 4. Squirrel.

Question 43. Identify the correct sequence of classification of the following:

  1. Eutheria
  2. Mammalia
  3. Leporidae
  4. Higomorpha
  5. Oryctcolagus.

Answer: 2. Mammalia

Question 44. Instead of the tooth, baleen (hanging homy plates in mouth) are found in:

  1. Blue whale
  2. Shark
  3. Dolphin
  4. Archaeopteryx.

Answer: 1. Blue whale

Question 45. Which one of the following is not a major carp?

  1. Cirrhius mrigala
  2. Puntius tieto
  3. Ctenopharyngodon idella
  4. Labeo rohita.

Answer: 2. Puntius tieto

NEET Biology Phylum Chordata Questions

Question 46. Select the correct order of classification of Rana tigrina upto genus :

  1. Chordata, Craniata, amphibia, Gnathostomata, Rana
  2. Chordata, craniata, gnathostomata, amphia, rana
  3. Chordata, amphibia, gmathostomata, cranial, tigrina
  4. Chordata, craniata, amphibia, gnathostomata, tigrina
  5. Gnathostomata, craniata, chordata, rana, tigrina.

Answer: 2. Chordata, Craniata, Gnathostomata, amphibia, Rana

Question 47. The cloaca in frogs is a common chamber for the urinary tract, reproductive tract, and:

  1. Alimentary canal
  2. Portal system
  3. Hepatic portal vessels
  4. Notochord
  5. Lymphatic system.

Answer: 1. Alimentary canal

Question 48. Which one of the following in birds, indicates their reptilian ancestry?

  1. Two special chambers crop and gizzard in their digestive tract
  2. Eggs with a calcareous shell
  3. Scales on their hind limbs
  4. Four chambered hearts.

Answer: 3. Scales on their hind limbs

Question 49. Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

  1. Reptilia: possess a 3-chambered heart with one incompletely divided ventricle.
  2. Chordata: possess a mouth provided with an upper and a lower jaw
  3. Chondrichthyes: possess a cartilaginous endoskeleton
  4. Mammalia: give birth to young ones.

Answer: 3. Chondrichthyes: possess cartilaginous endoskeleton

Question 50. What will you look for to identify the sex of the following?

  1. Female Ascaris – sharply curved posterior end
  2. Male frog – a copulatory pad on the first digit of the hind limb.
  3. Female cockroach – anal cerci
  4. Male shark – claspers borne on pelvic fins.

Answer: 3. Female cockroach – anal cerci

Question 51. Fin rot of fish is caused by :

  1. Aeromonas
  2. Pseudomonas
  3. Brachiomyces
  4. Xenopsylla
  5. Both 1 and 2

Answer: 5. Both 1 and 2

Neet Self Assessment Test Unit—Diversity Of Life

Question 1. As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics :

  1. Will decrease
  2. I will increase
  3. Remun same
  4. May increase or decrease.

Answer: 1. Will decrease

Question 2. Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?

  1. – Ales
  2. – Onae
  3. – Aceae
  4. – Ae.

Answer: 3. – Aceae

Question 3. The term ‘systematics’ refers to :

  1. Identification and classification of plants and animals
  2. Nomenclature and identification of plants and animals
  3. Diversity of kinds of organisms and their relationship
  4. Different kinds of organisms and their classification.

Answer: 3. Diversity of kinds of organisms and their relationship

Question 4. Census represents :

  1. An individual plant or animal
  2. A collection of plants or animals
  3. Group of closely related species of plants or animals
  4. None of these.

Answer: 3. Group of closely related species of plants or animals

Question 5. The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in the classification of plants?

  1. Class
  2. Order
  3. Division tDt Family.

Answer: 3. Division tDt Family.

Question 6. Botanical gardens and zoological parks have :

  1. Collection of endemic living species only
  2. Collection of exotic living species only
  3. Collection of endemic and exotic living species
  4. Collection of only local plants and animals.

Answer: 3. Collection of endemic and exotic living species

Question 7. Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of :

  1. Monographs
  2. Flora
  3. Both 1 & 2
  4. None of these.

Answer: 3. Both 1 & 2

Question 8. All living organisms are linked to one another because :

  1. They have common genetic materials of the same type
  2. They share common genetic material but to varying degrees
  3. All have a common cellular organization
  4. All of the above.

Answer: 4. All of the above.

Question 9. Which of the following is a defining characteristic of living organisms?

  1. Growth
  2. Ability to make sound
  3. Reproduction
  4. Response to external stimuli

Answer: 4. Response to external stimuli

Question 10. All eukaryotic unicellular organisms belong to:

  1. Monera  Prorista
  2. Fungi
  3. Bacteria.

Answer: 2. Fungi

Question 11. The five-kingdom classification was proposed by :

  1. R.H. Whittaker
  2. C.Linnaeus
  3. A.Roxberg
  4. Virchow.

Answer: 1. R.H. Whittaker

Question 12. Organisms living in salty areas are called as :

  1. Methanogens
  2. Halophiles
  3. Heliophytes
  4. Thermoacidophiles.

Answer: 2. Halophiles

Question 13. Naked cytoplasm, multinucleated, and saprophytic are the characteristics of:

  1. Monera
  2. Protista
  3. Fungi
  4. Slime molds.

Answer: 4. Slime molds.

Question 14. An association between roots of higher plants and fungi is called:

  1. Lichen
  2. Fern
  3. Myconhiza
  4. BGA.

Answer: 3. Myconhiza

Question 15. A dikaryon is formed when :

  1. Meiosis is arrested
  2. The two haploid cells do not fuse immediately
  3. Cytoplasm does not fuse
  4. None of the above

Answer: 2. The two haploid cells do not fuse immediately

Question 16. Contagium vivum Gaudium was proposed by :

  1. D.J. Ivanowsky
  2. M.W. Beiierinek
  3. Stanley
  4. Robert Hook.

Answer: 2. M.W. Beiierinek

Question 17. Mycobiont and Phycobiont are found in :

  1. Mycorrhiza
  2. Root
  3. Lichens
  4. BGA.

Answer: 3. Lichens

Question 18. The difference between Virus and Viroid is :

  1. Absence of protein coat in viroid but present in virus
  2. Presence of low molecular weight RNA in virus but absent in viroid
  3. Both 1 and 2
  4. None of the above.

Answer: 1. Absence of protein coat in viroid but present in the virus

Question 18. Concerning the fungal sexual cycle, choose the correct sequence of events:

  1. Karyogamy, Plasmogamy and Meiosis
  2. Meiosis, Plasmogamy, and Karyogamy
  3. Plasmogamy, Karyogamy and Meiosis
  4. Meiosis, Karyogamy, and Plasmogamy.

Answer: 3. Plasmogamy, Karyogamy and Meiosis

Question 19. Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdoms do viruses belong?

  1. Monera
  2. Protista
  3. Fungi
  4. None of the above.

Answer: 4. None of the above.

Question 20. Members of Phycomycetes are found in :

  1. Aquatic habitats
  2. On decaying wood
  3. Moist and damp places
  4. As obligate parasites on plants

Choose from the following options :

  1. None of the above
  2. 1 and 2
  3. 1 and 3
  4. All of the above.

Answer: 4. All of the above.

Question 21. Cyanobacteria are classified under :

  1. Protista
  2. Plantae
  3. Monera
  4. Algao.

Answer: 1. Protista

Question 22. The fusion of two gametes that are dissimilar in size is termed as:

  1. Oogamy
  2. Isogamy
  3. Anisogamy
  4. Zoogamy.

Answer: 3. Anisogamy

Question 23. Holdfast, stipe, and frond constitute the plant body in the case of:

  1. Rhdoph year
  2. Chlorophyceae
  3. Phaeophyceae
  4. All of the above.

Answer: 3. Phaeophyceae

Question 24. A plant shows a thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to :

  1. Pteridophytes
  2. Gymnosperms
  3. Monocots
  4. Bryophytes.

Answer: 4. Bryophytes.

Question 25. A Prothallus is :

  1. A structure in pteridophytes formed before the thallus develops
  2. A sporophytic free living structure formed in pteridophytes
  3. A gametophyte-free living structure formed in pteridophytes
  4. A primitive structure formed after fertilization in pteridophytes.

Answer: 3. A gametophyte-free living structure formed in pteridophytes

Question 26. Plants of this group are diploid and well-adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is:

  1. Monocots
  2. Dicots
  3. Pteridophytes
  4. Gymnosperms.

Answer: 4. Gymnosperms.

Question 27. The embryo sac of an Angiosperm is made up of :

  1. 8 cells
  2. 7 cells and 8 nuclei
  3. 8 nuclei
  4. 7 cells and 7 nuclei.

Answer: 2. 7 cells and 8 nuclei

Question 28. If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm:

  1. 36
  2. 18
  3. 54
  4. 72.

Answer: 3. 54

Question 29. Protonema is :

  1. Haploid and is found in mosses
  2. Diploid and is found in liverworts
  3. Diploid and is found in pteridophytes
  4. Haploid and is found in pteri-dophytes.

Answer: 1. Haploid and is found in mosses

Question 30. The giant Redwood tree (sequoia sempervirens) is all an:

  1. Angiosperm
  2. Tree fern
  3. Pteritlophyte
  4. Gymnosperrn.

Answer: 4. Gymnosperrn.

Question 31. In some animal groups, the body is divided into compartments with at least some organs/organs repeated.

This characteristic feature is named :

  1. Segmentation
  2. Metamdrism
  3. Metagenesis
  4. Metamorphosis.

Answer: 2. Metamdrism

Question 32. Given below are the types of cells present in some animals.

Each one is specialized to perform a single specific function except :

  1. Choanocytes
  2. Interstitial cells
  3. Gastrodermdl cells
  4. Nematocytes.

Answer: 2. Interstitial cells

Question 33. Which one of the following sets of animals shares a four-chambered heart?

  1. Amphibians, Reptiles, Birds
  2. Crocodiles, Birds, Mammals
  3. Crocodiles, Lizards, Turtles
  4. Lizards, Mammals, Birds.

Answer: 2. Crocodiles, Birds, Mammals

Question 34. Which of the following pairs of animals has non-glandular skin?

  1. Snake and Frog
  2. Chameleon and Turde
  3. Frog and Pigeon
  4. Crocodile and Tiger.

Answer: 3. Frog and Pigeon

Question 35. Birds and mammals share one of the following characteristics as a common feature.

  1. Pigmented skin
  2. Alimentary canal with some modification
  3. Viviparity
  4. Warm-blooded nature.

Answer: 2. Alimentary canal with some modification

Question 36. Which one of the following sets of animals belongs to a single taxonomic group?

  1. Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish
  2. Raq Pigeon, Butterfly
  3. Monkey, Chimpanzee, Man
  4. Silkworm, Tapeworm, Earthworm.

Answer: 3. Monkey, Chimpanzee, Man

Question 37. Which one of the following statements is incorrect?

  1. Mesoglea is present in between ectoderm and endoderm in Obelia.
  2. Radial symmetry is found in, Asterias
  3. Fasciola is a pseudocoelomate animal
  4. Taenia is a triploblastic animal.

Answer:  1. Mesoglea is present in between ectoderm and endoderm in Obelia.

Question 38. Which one of the following statements is incorrect?

  1. In cockroaches and prawns excretion of waste material occurs through Malpighian tubules.
  2. In ctenophores. locomotion is mediated by comb plates.
  3. In Fasciolg flame cells take part in excretion
  4. Earthworms are hermaphrodites and yet cross-fertilization takes place among them.

Answer: 1. In cockroaches and prawns excretion of waste material occurs through Malpighian tubules.

Question 39. Which one of the following is oviparous?

  1. Platypus
  2. Flying fox (Bat)
  3. Elephant
  4. Whale.

Answer: 1. Platypus

Question 40. Which one of the following is not a poisonous snake?

  1. Cobra
  2. Viper
  3. Python
  4. kait.

Answer: 3. Python

Question 41. The body cavity is the cavity present between the body wall and the gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called :

  1. Acoelomate
  2. Pseudocoelomate
  3. Coelomate
  4. Haemocoelomate.

Answer: 2. Pseudocoelomate

Question 42. Which one of the following animals possesses high regeneration capacity?

  1. Planaria
  2. Taenia
  3. Salpa
  4. Periplaneta
  5. Ascidian.

Answer: 1. Planaria

Question 43. “Oryan of Jacobson” helps in :

  1. Touch
  2. Vision
  3. Smell
  4. Hearing.

Answer: 3. Smell

Question 44. Cysticercus larva is formed in the life history of:

  1. Taenia
  2. Plasmodium
  3. Leishmania
  4. Wuchereria.

Answer: 1. Taenia

Question 45. The water vascular system is found in :

  1. Sea anemone
  2. Sea pen
  3. Sea cucumber
  4. Sea horse.

Answer: 3. Sea cucumber

Question 46. Radula is found in

  1. Plla sp.
  2. Lamellidens sp.
  3. Chiton sp.
  4. Pinctada sp.

Answer: 1. Plla sp.

Question 47. The phenomenon of torsion occurs in :

  1. Gastropoda
  2. Pelecypoda
  3. Cephalopoda
  4. Amphineura.

Answer: 1. Gastropoda

Question 48. In which of the following, pyrenoids are present :

  1. Charu, Fucus, Polysiphonia
  2. Volvox, Spiro gyra, Chlamyomonas
  3. Porphyra, Ectocarpus, Ulothrix
  4. Sargassum, Laminaria, G racilLaria.

Answer: 2. Volvox, Spirogyra, Chlamydomonas

Question 49. Both chlorophyll a and d are present in :

  1. Rhodophyceae
  2. Phaeophyceae
  3. Chlorophyceae
  4. None of these.

Answer: 1. Rhodophyceae

Question 50. An alga that is rich in protein is :

  1. Ulothrix
  2. Spirogyra
  3. Nostoc
  4. Chlorella.

Answer: 4. Nostoc

Question 51. Yellow-green pigment is found in :

  1. Xanthophyta
  2. Chlorophyta
  3. Phaeophyta
  4. Rhodophyta.

Answer: 1. Xanthophyta

Question 52. Mannitol is the stored food in :

  1. Chara
  2. Porphyra
  3. Focus
  4. Gracillaria.

Answer: 3. Fucus

Question 53. Which one of the following has a haplontic life cycle?

  1. Fwnaria
  2. Polytrichum
  3. Ustilago
  4. Wheat.

Answer: 2. Polytrichum

Question 54. Which one of the following plants is monoecious ?

  1. Marchantia
  2. Pinus
  3. Cycas
  4. Papaya

Answer: 1. Marchantia

Question 55. Which one of the following is a vascular cryptogam?

  1. Equisetum
  2. Ginkgo
  3. Marchantia
  4. Cedrus.

Answer: 1. Equisetum

Question 56. Which one of the following is considered important in the development of seed habit?

  1. Dependent sporophyte
  2. Heterospory
  3. Faplontic life cycle
  4. Freelivinggametophyte.

Answer: 2. Heterospory

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