NEET Biology Kingdom Protista Multiple Choice Questions
Question 1. Protists which arc diploid reproduce sexually by the process of:
- Zygotic meiosis
- Cyst formation
- Binary fission
- Gametic meiosis.
Answer: 4. Gametic meiosis.
Question 2. Photosynthetic protists are :
- Diatoms, euglenoids and slime moulds
- Sareodincs Dinoflagellates and diatoms
- Euglcnoids, diatoms and dinoflagellates
- Ciiatcs. Zooflagellates and dinoflagellates.
Answer: 3. Sareodincs. Dinoflagellates and diatoms
Question 3. Unicellular organisms having mouth, gullet, anus, sensory structures and pellicle belong to the group:
- Zoomastigina
- Ciliophora
- Sporozoa
- Sarcodina.
Answer: 2. Ciliophora
Question 4. Red tide is caused by :
- Gonyaulax
- Noctiluca
- Triceratops
- Pyrocyst.
Answer: 1. Gonyaulax
Kingdom Protista MCQs For NEET
Read and Learn More NEET Biology Multiple Choice Question and Answers
Question 5. Sea water glows during the night due to the occurrence of:
- Gonyaulax
- Noctiluca
- Euglena
- Cyclotella.
Answer: 2. Euglena
Question 6. Diatomaceous earth is formed due to the remains of the following parts of diatoms:
- Cell wall
- Chloroplast
- Cytoplasm
- All of these.
Answer: 1. Cell wall
Question 7. Pyorrhoea is caused by :
- Entamoeba gingivalis
- Trichomonas buccalis
- Lieshmania donovani
- Trypanosoma gambiense.
Answer: 2. Trichomonas buccalis
Question 8. The vegetative phase of slime moulds is called:
- Cyst
- Hypha
- Plasmodium
- Sporangium.
Answer: 3. Plasmodium
Question 9. Diatoms are also known as :
- Cyanobacteria
- Blue-green algae
- Green algae
- Golden brown algae.
Answer: 2. Blue-green algae
Kingdom Protista MCQs For NEET
Question 10. Microfossils are often associated with petroleum-bearing formations belonging to :
- Euglenoids
- Dinoflagellates
- Rotifers
- Foraminiferans.
Answer: 2. Dinoflagellates
Question 11. Photosynthetic protists contribute a percentage of global photosynthesis:
- 80
- 70
- 50
- 50
Answer: 1. 80
Question 12. Which of the following is an insect vector for leishmania?
- Male anopheles mosquito
- Female anopheles mosquito
- Sand flies
- Tse-tse fly.
Answer: 3. Sand flies
Question 13. Light sensitive structure of euglenoids is :
- Cilium
- Eye spot
- Flagellum
- Chloroplast.
Answer: 2. Eye spot
Question 14. The class of phylum protozoa to which amoeba belongs is:
- Ciliata
- Rhizopoda
- Mastigophora
- Sporozoa.
Answer: 3. Mastigophora
Kingdom Protista MCQs For NEET
Question 18. Amoeba is:
- Saprozoic
- Autotrophic
- Heterotrophic
- Parasitic.
Answer: 3. Hetcrotrophic
Question 19. The type of pseudopodium found in amoeba is:
- Filopodium
- Reticulopodium
- Lobopodium
- Axopodium.
Answer: 3. Lobopodium
Question 20. Pseudopodia in amoeba are formed by :
- Pressure flow of cytoplasm
- Cell membrane contraction
- Movement of vacuoles
- All the above.
Answer: 1. Pressure flow of cytoplasm
Question 21. Food particles are procured by amoeba by :
- Invagination and import
- Circrumvallation
- Circumfluence
- All the above.
Answer: 4. All the above.
Question 22. In amoeba, food is stored and digested in food vacuoles which is analogous to:
- Stomach of rabbit
- Liver of rabbit
- Alimentary canal of rabbit
- The intestine of a rabbit.
Answer: 1. Stomach of rabbit
Kingdom Protista MCQs For NEET
Question 23. The contractile vacuole’s function in amoeba is :
- Reproduction
- Digestion of food
- Storage of food
- Osmoregulation.
Answer: 4. Osmoregulation.
Question 24. Locomotion in amoeba takes place by :
- Pseudopodia
- Flagella
- Cillia
- Seta
Answer: 1. Pseudopodia
Question 25. The freshwater amoeba and intestinal amoeba are alike in the possession of single contractile vacuole
- The absence of cilia
- The structure of the cyst
- Their mechanism of dispersal.
Answer: 2. The structure of the cyst
Question 26. Which mom widely accepted means of promotion m amoeba?
- Walking movement theory
- Willing movement theory
- Sol-gel theory
- Surface tension theory.
Answer: 3. Sol-gel theory
Question 27. Food capturing is the function of:
- Food vacuole
- Rctieulopodium
- Nucleolus
- Eye spot.
Answer: 2. Rctieulopodium
Question 28. Surface tension theory explains the theory of:
- Amoeboid movement
- Caterpillar movement of hydra
- Jerking movement of Euglena
- Tension develops on the surface during the movement of paramecium in water.
Answer: 1. Amoeboid movement
NEET MCQs On Kingdom Protista
Question 29. Excretion in amoeba takes place mainly by :
- Food vacuole
- General surface
- Contractile vacuole
- Pseudopodia.
Answer: 2. General surface
Question 30. If the water of the pond becomes dry, the amoeba will:
- Stick to the gills of the fish
- Undergo encystment
- Enter down into the soil
- Enter in the body of vertebrates.
Answer: 2. Undergo encystment
Question 31. Chromatin in the nucleus of amoeba is present in the form of:
- Reticulum
- Fine granular material
- Rod-like structure
- Spherical structure.
Answer: 2. Fine granular material
Question 32. Due to the formation of many pseudopodia simultaneously, the amoeba is often called:
- Polymorphic
- Polypodial
- Lobose protozoan
- Rhizopod protozoan.
Answer: 2. Polypodial
Question 33. Under favourable conditions, amoeba reproduces by:
- Binary fission
- Multiple fission
- Encystment
- Fragmentation.
Answer: 1. Binary fission
Protista Important Questions For NEET
Question 34. The contractile vacuole of amoeba is analogous to:
- Sweat glands of man
- The uriniferous tubule of a frog
- The pulsating heart of a rabbit
- Typhlosole of earthworm.
Answer: 2. Uriniferous tubule of frog
Question 35. Amoebulae are the by-products of:
- Syngamy
- Fragmentation
- Multiple fission
- Binary fission.
Answer: 3. Multiple fission
Question 36. Kala-azar is a protozoan disease spread by:
- Glossina palpalis
- Culex vislmin
- Plileobotamus argentipis
- Aedes Egypt.
Answer: 3. Plileobotamus argentipis
Protista Important Questions For NEET
Question 37. Bioluminescence is exhibited by :
- Uislimania
- Ceratium
- Toxoplasma
- Entamoeba.
Answer: 4. Entamoeba.
Question 38. Entamoeba histolytica lives as an endoparasite in:
- Stomach of man
- The large intestine of a man
- Liver of man
- Lungs of man.
Answer: 2. Large intestine of man
Question 39. How many nuclei are found in the meta cyst of Entamoeba histolytica?
- One
- Two
- Three
- Four
Answer: 4. Four
Protista Important Questions For NEET
Question 40. Besides the bead-like chromatin granules, what is present inside the nucleus of Entamoeba histolytica
- Parabasal body
- Micronucleus
- Karyosomc
- Contractile vacuoles.
Answer: 3. Karyosomc
Question 41. Infective cyst of entamoeba has :
- One nucleus with four chromosomes
- One nucleus with two chromatids
- Only one nucleus
- Four nuclei.
Answer: 4. One nucleus with two chromatids
Question 42. Amoebic dysentery is caused by:
- Amoeba proteus
- Plasmodium vivax
- Trypanosoma
- Entamoeba histolytica.
Answer: 4. Entamoeba histolytica.
Question 43. From a single cyst of entamoeba, the number of young ones which hatch out are :
- 8
- 4
- 6
- 2.
Answer: 3. 6
Question 44. Reproduction in trophozoite of entamoeba histolytica takes place by:
- Conjugation
- Multiple fission
- Autogas
- Binary fission.
Answer: 2. Multiple fission
Protista Important Questions For NEET
Question 45. Which of the following is a human parasitic protozoan found in the mouth attacking gums and teeth?
- Giardia intestinalis
- Entamoeba coli
- Entamoeba histolytica
- Entamoeba gingivalis.
Answer: 4. Entamoeba gingivalis.
Question 46. Entamoeba histolytica differs from amoeba proteus in not having:
- Pseudopodia
- Contractile vacuole
- Ectoplasm and endoplasm
- Nucleus.
Answer: 2. Contractile vacuole
Question 47. The infective stage of entamoeba histolytica is:
- Mature cyst
- Young trophozoite
- Mature trophozoite
- Sporozoite.
Answer: 1. Mature cyst
Question 48. Trophozoite and minuta. The trophozoite is the active, motile, feeding form and is pathogenic whereas minute is the cystic small, spherical, non-motile, non-feeding form which is non-pathogenic to man and serves for transmission of the parasite from one to another host:
- Statement is wrong
- Statement is true
- The statement is partially correct
- None of these.
Answer: 2. Statement is true
Question 49. The cell of paramecium is bounded by a firm membrane called :
- Cuticle
- Pellicle
- Epidemlis
- Plusmaleirtifia
Answer: 3. Epidemlis
Question 50. Cilia in paramecium arise from :
- Kinetochore
- Kinetosome
- Kinetodesma
- None of these above.
Answer: 2. Kinetosome
Question 51. Cilia of paramecium are :
- Of uniform length
- Much longer on the posterior end
- Much longer on the anterior end
- None of the above.
Answer: 2. Much longer on the posterior end
NEET Biology Plant Kingdom MCQs
Question 52. Cilia in paramecium are :
- Ulotrichous
- Atrichous
- Heterotrichous
- Spirotrichous.
Answer: 1. Holotrichous
MCQs on Protista Question 53. The position of the oral groove in paramecium is:
- Dorsovcntral
- Ventral
- Anterolateral
- Posterolateral.
Answer: 2. Ventral
Question 54. In paramecium trichocysts alternate with the bases of the cilia the function of trichocysts is:
- Anchorage, offence and defence
- Protection
- Anchorage to cilia
- Secretion.
Answer: 1. Anchorage, offence and defence
Question 55. Paramecium has:
- Single nucleus
- Two nuclei of the same size
- Two nuclei; a macronucleus and a micronucleus
- Four nuclei.
Answer: 3. Two nuclei; a macronucleus and a micronucleus
Question 56. What response is shown by paramecium when it faces a foreign body or chemical?
- Avoiding reaction
- Remains undisturbed
- Fights its way through
- Round up remains at one spot.
Answer: 1. Avoiding reaction
Question 57. The mode of ingestion in paramecium is:
- Holophytic
- Saprozoic
- Holozoic
- Saprophytic.
Answer: 3. Holozoic
Question 58. Movement of food vacuole in paramecium along a definite path due to rotatory streaming movement of protoplasm is known as:
- Cytokinesis
- Cyclosis
- Endomixis
- Metagenesis.
Answer: 2. Cyclosis
NEET Biology Plant Kingdom MCQs
Question 59. The cyclosis is to ensure that :
- Food material is digested completely
- Digested food material is distributed uniformly
- Excretory products are removed
- Mixing of food with enzymes takes place properly.
Answer: 2. Digested food material is distributed uniformly
Question 60. Undigested food material is removed from paramecium by:
- Bursting of contractile vacuole
- Bursting of food vacuole
- Temporarily formed anus
- None of the above.
Answer: 3. Temporarily formed anus
Question 61. Macronucleus is responsible for :
- Genetic functions of the organism
- Initiating conjugation
- Initiating binary fission
- Vegetative functions of the organism
Answer: 4. Vegetatiye functions of the organism
Question 62. Cytoproct serves for:
- Intake of h,O
- Controlling of activities of cilia
- Exit of undigested wastes
- Entry of food vacuoles.
Answer: 3. Exit of undigested wastes
Question 63. The function of two contractile vacuoles is :
- Removal of excretory products after digestion
- Removal of nitrogenous wastes
- Removal of excess water content from the cytoplasm
- Respiration.
Answer: 3. Removal of excess of water content from cytoplasm
Question 64. During favourable conditions, binary fission occurs. Its advantages are:
- Faster multiplication
- Slower increase in the number
- Consumes less time
- None of the above.
Answer: 1. Faster multiplication
Question 65. Usually, one binary fission takes :
- One hour
- Half an hour
- Three hours.
Answer: 3. Three hours.
NEET Biology Plant Kingdom MCQs
Question 66. Two mating types of paramecium stand for the two individuals of:
- Two species
- One species
- One variety of one species
- Two varieties of the same species.
Answer: 4. Two varieties of the same species.
Biology MCQ Protista Question 67. Synkaryon divides:
- Twice to form four nuclei
- Thrice to form eight nuclei
- Four to form sixteen nuclei
- Once two nuclei
Answer: 2. Thrice to form eight nuclei
Question 68. Each ex-conjugant gives rise to how many daughter paramecia
- Four
- Three
- Eight
- Two
Answer: 1. Four
Question 69. In paramecium aurelia and p. Caudatum, the position of cytoproct is:
- Posterolateral
- Anterolateral
- Posteroventral
- Anterodorsal.
Answer: 1. Posterolateral
Question 70. The function of the neuromotor system in paramecium is to:
- Co-ordinate the various stimuli
- Co-ordinate the ciliary beat
- Control osmoregulation
- Control digestion.
Answer: 2. Co-ordinate the ciliary beat
Question 71. Plasmodium was discovered by :
- Golgi and celli
- Ronald ross
- Charles laver
- Patric mansu.
Answer: 3. Charles Laveran
NEET Biology Plant Kingdom MCQs
Question 72. The average incubation period of Plasmodium vivax is:
- 10 Days
- 12 Days
- 14 Days
- 20 Days.
Answer: 3. 14 Days
Question 73. The duration of erythrocytic schizogony in Plasmodium malaria is about:
- 24 Hours
- 48 Hours
- 72 Hours
- 30 Hours.
Answer: 2. 48 Hours
Question 74. Exflagcllalion of the male gametocyte of plasmodium occurs in :
- Erythrocyte of man
- Salivary glands of female anopheles
- Stomach of the female anopheles
- Liver cells of man.
Answer: 3. Salivary glands of female anopheles
Question 75. The merozoites arc produced during schizogony or :
- Binary fission
- Multiple fission
- Repeated mitotic division
- Fragmentation.
Answer: 2. Multiple fission
Question 76. The infective stage in the life cycle of plasmodium is:
- Schizont
- Sporozoite
- Ookinete
- Mcrozoilc.
Answer: 2. Sporozoite
Protista vs Monera MCQs For NEET
Question 77. Fusion of male and female gametes of plasmodium takes place in:
- Liver cells of man
- The gut of a female Anopheles mosquito
- Blood cells of man
- Salivary glands of the mosquito.
Answer: 2. The gut of female anopheles mosquito
Kingdom Protista NEET Biology Question 78. Oocyst of plasmodium is formed in :
- Erythrocyte of man
- Plasma of man
- Liver cells of man
- Gut wall of mosquito.
Answer: 4. Gut wall of mosquito.
Question 79. The life cycle of plasmodium is:
- Polymorphic
- Polygenetic
- Digenetic
- Monogenetic.
Answer: 3. Digenetic
Question 80. The agony phase of the sexual phase of plasmodium is completed in:
- The blood of man
- The liver cells of man
- Stomach of female Anopheles mosquito
- Salivary glands of the female anopheles mosquito.
Answer: 3. Stomach of the female anopheles mosquito
Question 81. Mild tertian malaria is caused by :
- Plasmodium vivax
- Plasmodium falciparum
- Plasmodium ovale
- Plasmodium malariae.
Answer: 3. Plasmodium ovale
Question 82. The toxic malarial pigment causes chills and fever is known as:
- Haemoglobin
- Haematin
- Haemozoin
- Schuffner’s granules.
Answer: 3. Haemozoin
Question 83. The schizont stage in the life cycle of plasmodium occurs in :
- Erythrocytes of man
- Leucocyte cells of man
- Salivary glands of female anopheles
- Stomach of female anopheles.
Answer: 1. Erythrocytes of man
Protista vs Monera MCQs For NEET
Question 84. Cerebral malaria is caused by :
- Plasmodium falciparum
- Plasmodium malariae
- Plasmodium ovale
- Plasmodium vivax.
Answer: 1. Plasmodium falciparum
Question 85. Which of the following do not have locomotory organelles
- Rhizopoda
- Rhizopod
- Ciliata
- Sporozoa.
Answer: 4. Sporozoa.
Question 86. Trypanosoma gnmbirnsr causes the disease :
- Hcri beri
- Sleeping sickness
- Malaria.
Answer: 3. Malaria.
Question 87. Trypanosoma gamblers live in the human body in :
- Lymph
- Blood
- Cerebrospinal fluid
- Cerebrospinal fluid and blood.
Answer: 4. Cerebrospinal fluid and blood.
Question 88. Trypanosoma is transmitted by :
- Contamination
- Inoculation
- Contagious
- None of the above.
Answer: 2. Inoculation
Question 89. Schaffner’s dots are present in :
- Entamoeba
- Schizont stage ofplasmodium
- Ookinete stage of plasmodium
- Trophozoite stage of plasmodium.
Answer: 4. Trophozoite stage of plasmodium.
Protista vs Monera MCQs For NEET
Question 90. The most potent drug against malaria fever is :
- Septran
- Daraprim
- Cinchona
- Tetracycline
Answer: 2. Daraprim
Question 91. Which one of the following is a non-pathogenic protozoan?
- Entamoeba coli
- Entamoeba gingivalis
- Entamoeba histolytica
- Leishmania.
Answer: 1. Entamoeba coli
Question 92. What is the number of metacryptozoite formed per schizoint in Plasmodium vivax?
- 10,000
- 15,000
- 40,000
- 30,000
Answer: 1. 10,000
Question 93. Dinoflagellates resemble dinosaurs in:
- Armoured body
- Time of origin
- Having flagellate cells
- Being heterotrophs.
Answer: 1. Armoured body
Question 94. The micronucleated cyst stage is found in:
- Entamoeba histolytica
- Leishmania
- Trypanosoma
- Entamoeba coli.
Answer: 4. Entamoeba coli.
Protista vs Monera MCQs For NEET
Question 95. The life history of the human malarial parasite in Anopheles was first described by :
- Celli
- Ronald ross
- Grassi
- Laveran.
Answer: 3. Grassi
Question 96. Paroxysm in tertian malaria occurs after every :
- 72 Hours
- 48 Hours
- 24 Hour
- 12 Hours
Answer: 2. 48 Hours
Question 97. When a freshwater pond is about to dry, the likely response of amoeba will be:
- Binary fission
- Encystment
- Quick feeding
- No change
Answer: 2. Encystment
Question 98. The marine, pelagic, bioluminescent and tentacled protozoan is
- Noctiluca
- Giardia
- Balantidium
- Mastigoamoeba.
Answer: 1. Noctiluca
Question 99. Which stage of plasmodium is likely to be found in the stomach of a female anopheles, which has just taken a blood meal from a patient with malaria?
- Merozoites, trophozoites and gametocytes
- Sporozoites, trophozoites and gametes
- Merozoites, gametocytes and zygotes
- Gametocytes, ookinetes and gametes.
Answer: 1. Merozoites, trophozoites and gametocytes
Kingdom Protista MCQs For NEET
Question 100. Which of the following organelles is not seen in the protozoa?
- Setae
- Flagella
- Undulating membrane
- Lobopodium.
Answer: 1. Setae
Question 101. Removal of micronucleus in paramecium will impair the function of :
- Reproduction
- Excretion
- Locomotion
- Osmoregulation.
Answer: 1. Reproduction
Question 102. Bouts of recurrent fever in malaria are due to :
- Entry of sporozoites in the liver
- Merozoites attacking fresh rbc
- Anticoagulants and irritants are introduced during mosquito bites.
- Release of merozoites and their metabolic wastes.
Answer: 4. Release of merozoites and their metabolic wastes.
Question 103. Trypanosoma is :
- Non-pathogenic
- Polymorphic
- Non-genetic
- Facultative.
Answer: 2. Polymorphic
Kingdom Protista MCQs For NEET
Question 104. Schizogony in plasmodium occurs in :
- Rbc of man
- Alimentary canal of mosquito
- Liver of man
- Rbc and liver of man.
Answer: 4. Rbc and liver of man.
Question 105. Plasmodium vivax belongs to the class :
- Telosporea
- Sarcodina
- Mastigophora
- Ciliata.
Answer: 1. Telosporea
Question 106. Black water fever is another name for :
- Yellow fever
- Scarlet fever
- Encephalitis
- Etivo-automonal malaria.
Answer: 4. Etivo-automonal malaria.
Question 107. Protozoans living in the seminal vesicle of earthworms are:
- Monocytes
- Balantidium
- Trichonympha
- Opalina.
Answer: 1. Monocystis
Question 108. Which of the following adjectives cannot be correctly applied to describe entamoeba histolytica?
- Digenetic
- Dimorphic
- Pathogenic
- Endoparasite.
Answer: 1. Digenetic
Question 109. For a malarial parasite, humans are :
- Intermediate hosts
- Reservoir hosts
- Final host
- Carrier.
Answer: 1. Intermediate hosts
Kingdom Protista MCQs For NEET
Question 110. The transmission of entamoeba histolytica takes place by:
- Female anopheles mosquito
- Air
- Kissing
- Contaminated food and water.
Answer: 4. Contaminated food and water.
MCQs on Protista Question 111. Cavity of man. It causes :
- Pyorrhoea
- Amoebic dysentery
- Bronchitis
- No disease.
Answer: 4. No disease.
Question 112. African sleeping sickness or gambiense fever is caused by :
- Entamoeba
- Trypanosoma
- Leishmania
- Trichomonas.
Answer: 2. Trypanosoma
Question 113. Slime moulds belong to :
- Fungi
- Protista
- Monera
- Plantae
Answer: 2. Protista
Question 114. Shell or frustules occur in :
- Diatoms
- Heliozoans
- Radiolarians
- Foraminifera.
Answer: 1. Diatoms
NEET MCQs On Kingdom Protista
Question 115. A common phycobiont in lichens is :
- Microcystis
- Euglena
- Citraria
- Trebauxia.
Answer: 4. Trebauxia.
Question 116. Physarella and physarum are the examples of :
- Cellular slime moulds
- Acellular slime moulds
- Protozoan
- Blue-green algae.
Answer: 2. Acellular slime moulds
NEET MCQs On Kingdom Protista
Question 117. A genus with a single species is termed as :
- Monotypic
- Typical
- Atypical
- Polytypic.
Answer: 1. Monotypic
Question 118. The first act in taxonomy is :
- Description
- Identification
- Naming
- Classification.
Answer: 2. Identification
Question 119. Which of the following possesses characteristics of a plant and animal :
- Euglena
- Bacteria
- Mycoplasma
- Paramecium.
Answer: 1. Euglena
Question 120. The wall is two-layered in :
- Mycoplasma
- Archaebacteria
- Gram +ve bacteria
- Gram -ve bacteria.
Answer: 4. Gram -ve bacteria.
Question 121. Cellular slime moulds are :
- Haploid
- Diploid
- Triploid
- Polyploid.
Answer: 1. Haploid
Question 122. Protistan cells contain:
- 70 S ribosomes
- 80 S ribosomes
- Polyribosomes
- Genophore.
Answer: 3. Polyribosomes
NEET MCQs On Kingdom Protista
Question 123. Flagellated structures are absent in :
- Red algae
- Mushroom
- Higher seed plants
- All of the above.
Answer: 4. All of the above.
Question 124. In protist flagella if present are :
- 9+0
- 0 +2
- 2+7
- 9 + 2 Fibrillar.
Answer: 4. 9 + 2 Fibrillar.
Question 125. Distinct cell walls are absent in :
- All protists
- Some protists
- Photosynthetic protists
- Heterotrophic protists.
Answer: 4. Heterotrophic protists.
Question 126. Which day is celebrated as is malaria day?
- 20Th aug.
- 15Th aug.
- 26Th Jan
- 5Th june.
Answer: 1. 20Th aug.
Protista Important Questions For NEET
Question 127. Malarial parasites could best be obtained from a patient
- An hour before the rise in temperature
- When the temperature rises with vigour
- When the temperature comes to normal
- An hour after the temperature rise.
Answer: 2. When the temperature rises with vigour
Question 128. Locomotory organelles in the protista are :
- Flagella
- Cilia
- Pseudopodia
- All the above.
Answer: 4. All the above.
Question 129. Which species of protists are known as the whirling whips because of the spin produced by two flagella beating in opposing grooves along their hard-surfaced bodies?
- Diatoms
- Chrysophytes
- Dinoflagellates
- Golden brown algae.
Answer: 3. Dinoflagellates
Question 130. Shellfish taken from water during a red tide would be:
- Poisoned with neurotoxin
- Rich in proteins
- Dead
- Rich in minerals.
Answer: 1. Rich in proteins
Question 131. The protists in which cell also decrease with each division is:
- Dinoflagellates
- Diatoms
- Slime moulds
- Radiolarians.
Answer: 2. Diatoms
Question 132. Bivalved siliceous shell occurs in :
- Foraminiferans
- Radiolarians
- Heliozoans
- Diatoms.
Answer: 4. Diatoms.
Protista Important Questions For NEET
Question 133. Auxospores or re-juvenescent cells occur in :
- Dinoflagellates
- Diatoms
- Zooflagellates
- Sporozoans.
Answer: 2. Diatoms
Question 134. Eye spot or stigma of euglena occur attached to :
- The membrane of the contractile vacuole
- The membrane of the cytopharynx
- The membrane of the reservoir
- Both 2 and 3.
Answer: 2. The membrane of the cytopharynx
Question 135. The cell wall is absent in :
- Dinoflagellates
- Diatoms
- Euglenoids
- None of the above.
Answer: 3. Euglenoids
Protista Important Questions For NEET
Question 136. Mesokaryon is :
- A nucleoid with distinct chromosomes
- A nucleus with condensed chromosomes
- Nucleoid with histone protein
- A nucleus-like structure.
Answer: 2. A nucleus with condensed chromosome
Question 137. The transverse groove present in dinoflagellates is :
- Sulcus
- Cingulum or girdle
- Annulus
- Both 2 and 3
Answer: 4. Both 2 and 3
Question 138. A non-contractile vacuole called pustule is present near the flagellar base in :
- Diatoms
- Dinoflagellates
- Euglenoids
- None of these.
Answer: 2. Dinoflagellates
Question 139. The toxin of gonyaulax catenella is called :
- Hypnotoxin
- Saxitoxin
- Mycotoxin
- Both 1 and 3.
Answer: 2. Saxitoxin
Question 140. The mass of streaming protoplasm (wall-less mass of multinucleate protoplasm) in plasmodial (acellular) slime moulds is called the :
- Sporocytes
- Sporangia
- Plasmodium
- Pseudoplasmodium.
Answer: 3. Plasmodium
Question 141. Multinucleate decomposer organisms are:
- Pelomyxa
- Physarum
- Dictyostellum
- Arcella.
Answer: 2. Physarum
NEET Biology Plant Kingdom MCQs
Question 142. Reninococcus is a :
- Halophile
- Methanogen
- Chemolithotroph
- Myxobacterium
Answer: 2. Methanogen
Question 143. Cellulose digestion of termites is carried out by :
- Monocytes
- Trichonympha
- Trichomonas
- Lophomonas.
Answer: 2. Trichonympha
Question 144. Motile zygote of plasmodium occurs in :
- Salivary glands of anopheles
- Human RBCs
- The gut of female anopheles
- Human liver.
Answer: 3. Gut of female anopheles
Question 145. Egyptian pyramids are made of rocks formed from :
- Radiolarian ooze
- Armoured dinoflagellates
- Foraminiferan shells
- Diatomaceous earth.
Answer: 3. Foraminiferan shells
Question 146. Heliozoans actinophrys are :
- Zooflagellates
- Sporozoans
- Slipper animalcules
- Sun animalcules.
Answer: 4. Sun animalcules.
NEET Biology Plant Kingdom MCQs
Question 147. In a weak electric field, the paramecium moves :
- Towards the negative pole
- Towards the positive pole
- Around to avoid the effect of the current
- Forms cyst and does not move.
Answer: 1. Towards the negative pole
Question 148. The crithidial stage in the life history of Trypanosoma gambiense is found in :
- Salivary glands of tsetse fly
- Liver of man
- Cerebrospinal fluid of man
- Blood vascular system of the pig.
Answer: 1. Salivary glands of tsetse fly
Question 149. Protists obtain food as :
- Photosynthesisers
- Chemosynthesisers
- Holotrophs
- Photosynthesisers, symbionts and heterotrophs.
Answer: 4. Photosynthesisers, symbionts and heterotrophs.
Question 150. Protistan genome has :
- Membrane-bound nucleoprotein embedded in the cytoplasm
- Free nucleic acid aggregates
- The gene containing nucleoproteins condensed together in a loose mass
- Nucleoprotein in direct contact with cell substance.
Answer: 3. Gene containing nucleoproteins condensed together in a loose mass
Question 151. Myxamoebae belong to :
- Acellular slime moulds
- Cellular slime moulds
- Sarcodina
- Both 2 and 3
Answer: 2. Cellular slime moulds