Plant Growth And Development MCQ For NEET Biology

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NEET Biology Basic Features Of Development Multiple Choice Questions.

Question 1. Among the following who is regarded to be the founder of modem mixology?

  1. Aristotle
  2. Newport
  3. Von Baer
  4. Spallanzani.

Answer: 3. Von Baer

Question 2. Olhpungs sexual reproduction resembles their parents :

  1. Structurally hut not luitctlonnlly
  2. Neither structurally nor functionally
  3. Both structurally and functionally
  4. Only functionally but not structurally.

Answer: 3. Both structurally and functionally

Question 3. Out of these scientists who discovered spermatozoa and called them animalcules?

  1. Hippocrates
  2. Aristotle
  3. Leeuwenhoek
  4. Herlwig.

Answer: 3.Leeuwenhoek

NEET Plant Physiology MCQs

Question 4. The study of the development of an organism is termed :

  1. Ecology
  2. Euphonies
  3. Embryology
  4. Eugenics.

Answer: 3. Embryology

Question5.Of the following animals which produces the smallest egg?

  1. Hummingbird
  2. Salmon
  3. Blue whale
  4. American toad.

Answer: 3. Blue whale

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Question 6. What gives rise to the gametes in multicellular animals?

  1. Zygote
  2. Ectoderm
  3. Mesoderm
  4. Germ cells.

Answer: 4. Germ cells.

Question 7. Which type of cell division takes place in germ cells during gametogenesis?

  1. Asexual
  2. Meiotic
  3. Mitotic
  4. Both and.

Answer: 4. Both 1 and 2.

Question 8. Primitive germ cells or spermatogonia are located in the :

  1. Basement membrane
  2. Layer of germinal epithelium
  3. Fibroelastic epithelium
  4. Stratified epithelium.

Answer: 4. Stratified epithelium.

NEET Plant Physiology MCQs

Question 9. Spermiogenesis is characterized by :

  1. Removal of water from the head of the spermatid
  2. Formation of the spiral body of mitochondria
  3. Formation of acrosome on file top of nucleus
  4. All of the above.

Answer: 4. All of the above.

Question 10. Conversion of immotile spermatids into motile spermatozoa is called :

  1. Spermiogenesis
  2. Hydrolysis
  3. Motilism
  4. Transformation.

Answer: 1.Spermiogenesis

Question 11. The reproduction begins with the formation of:

  1. Ova
  2. Bud
  3. Sperm
  4. Reproductive unit.

Answer: 4. Reproductive unit.

Question 12. During spermatogenesis, meiosis occurs in :

  1. Sperm mother cell
  2. primary spermatocyte
  3. secondary spermatocyte
  4. None of the above.

Answer: 4. None of the above.

Question 13. Prlmiliy spemmlocyle irfrn to :

  1. Sperm he fore limit nutrition division
  2. Sperm nitre the first nutrition division
  3. Spermatogonium which ceases divisions and starts growing
  4. Primordial sex cell.

Answer: 3. Spermatogonium which ceases divisions and starts growing

Question 14.From one sperm mother cell (primary spermatocyte), the number of sperms produced arc :

  1. 4
  2. 1
  3. 8
  4. 16.

Answer: 1.4

Question 15. The spiral sheath of the sperm is formed by :

  1. Nucleus
  2. Centriole
  3. Golgi bodies
  4. Mitochondria.

Answer: 4. Mitochondria.

NEET Plant Growth And Development Notes

Question 16. Which of the following does not possess flagellum in the sperm?

  1. Frog
  2. Roundworm
  3. Man
  4. Sea urchin.

Answer: 2. Roundworm

Question 17. The middle piece of the sperm consists of a compact mass of:

  1. Mitochondria
  2. Endoplasmic reticulum
  3. Golgi bodies
  4. Lysosomes.

Answer: 1. Mitochondria

Question 18. A cell formed from cleavage is :

  1. Morula
  2. Blastomere
  3. Blastopore
  4. Blastula.

Answer: 4. Blastula.

Question 19. The diploid number of chromosomes is restored by :

  1. Fertilization
  2. Maturation
  3. Reduction division
  4. Spermatogenesis.

Answer: 1. Fertilization

Question 20. The head of sperm consists of:

  1. Acrosome
  2. Acrosome and nucleus
  3. Nucleus
  4. Mitochondria.

Answer: 2. Acrosome and nucleus

NEET Plant Growth And Development Notes

Question 21. Dysmenorrhoea a painful menstruation, is caused by :

  1. uterine tumours
  2. ovarian cysts
  3. Pelvic inflammation
  4. All of the above.

Answer: 4. All of the above.

Question 22. The sperms produce some enzymes known as “Spermiolysins”. These help in :

  1. Viability by sperms
  2. Penetration by sperms
  3. Movement of sperms
  4. Spermatogenesis.

Answer: 2. Penetration by Sperms

Questions Question 23. Fertilizing is emitted from :

  1. Polar body
  2. Nature ova
  3. Immature egg
  4. Sperms.

Answer: 2. Nature ova

Plant Growth And Development MCQs NEET

Question 24. The process of spermatogenesis is under the regulatory influence of:

  1. Oxytocin
  2. Vasopressin
  3. Follicle-stimulating hormone
  4. Luteotrophic hormone.

Answer: 3. Follicle-stimulating hormone

Question 25. In frogs lie sperm ceased Imm the testis takes (lie the following milk’ to teaeli urinogenital line :

  1. Vasa efferentia. Bidder’s canal,nutrition nephrostome.
  2. vasa efferentia, Bidder’s canal and nephrostome
  3. Vasa differentia. Bidder’s canal and nephrostome
  4. Vasa efferentia. Bidder’s canal and collecting tubule.

Answer: 4. Vasa efferentia. Bidder’s canal and collecting tubule.

Question 26. Oogenesis in Irog lakes place in :

  1. Interstitial cells in the ovary
  2. Germinal epithelium in the ovary
  3. Epithelium in the ovi sac
  4. Squamous epithelial cells in the ovary.

Answer: 4. Squamous epithelial cells in the ovary.

Question 27. Oogenesis can be explained as :

  1. The process of formation of eggs
  2. Growth
  3. Ejaculation
  4. None of the above.

Answer: 1. The process of formation of eggs

Plant Growth And Development MCQs NEET

Question 28. The process which helps in the formation and maturation of ova is :

  1. Morphogenesis
  2. Organogenesis
  3. Oogenesis
  4. Spermatogenesis.

Answer: 3. Oogenesis

Question 29. Vitelline membrane is secreted by and surrounds the :

  1. Ova or eggs
  2. oogonium
  3. Spermatids
  4. Oocyte.

Answer: 1. Ova or eggs

Questions Question 30. Albumen around the egg of the frog is secreted by :

  1. Egg itself
  2. Follicle cells
  3. Oviduct
  4. None of the above.

Answer: 3. Oviduct

Question 31. The vitelline membrane of a frog’s egg is :

  1. Primary membrane
  2. Secondary membrane
  3. Tertiary membrane
  4. None of the above.

Answer: 1. Primary membrane

MCQs On Plant Growth For NEET

Question 32. An egg containing very little of yolk is called :

  1. Microlecithal
  2. Meiolecithal
  3. Telolecithal
  4. None of the above.

Answer: 1. Microlecithal

Question 33. Insect egg in which yolk is present in the centre is called as :

  1. Centrolecithal egg
  2. Hexapoda egg
  3. Megalecithal egg
  4. Telolecithal.

Answer: 1. Centrolecithal egg

Question 34. A jelly layer of the frog is :

  1. Primary membrane
  2. Secondary membrane
  3. Secreted by the egg
  4. Tertiary membrane.

Answer: 4. Tertiary membrane.

Question 35. The animal pole of a frog’s egg can be distinguished by :

  1. Position of polar body
  2. Eccentric nucleus and pigmentation
  3. Eccentric nucleus and yolk
  4. None of the above.

Answer: 2. Eccentric nucleus and pigmentation

Question 36. The active cytoplasm and nucleus of a frog’s egg are confined to :

  1. Vegetal pole
  2. Animal pole
  3. Displaced slightly towards the animal pole
  4. Eccentrically between the two.

Answer: 2. Animal pole

MCQs On Plant Growth For NEET

Questions Question 37. The Yolk of an egg in vertebrates is formed in the:

  1. Ovum
  2. Lungs
  3. Liver
  4. Kidney.

Answer: 3. Liver

Question 38. Antifertilizins tire contained in :

  1. Spermatozoa
  2. Ovary
  3. Testis
  4. Germinal epithelium.

Answer: 1. Spermatozoa

Question 39. A human embryo begins to implant when it is blastocyst or has approximately 100 cells. How old is the embryo at this time?

  1. 12 hours
  2. 2 days
  3. 6 days
  4. 2 weeks.

Answer: 3. 6 days

Question 40. Polar bodies are the products of:

  1. Supernumerary sperm
  2. Unequal division of the nucleus
  3. Unequal division of cytoplasm
  4. Cell excretion.

Answer: 3. Unequal division of cytoplasm

Question 41. Eggs which have a sufficiently large amount of yolk and are large-sized are called :

  1. Oligolecithal
  2. Isolecithal
  3. Polylecithal
  4. Telolecithal.

Answer: 3.Polylecithal

Question 42. In the egg of a bird, the shell and shell membrane are :

  1. Porous to 02 and C02
  2. Porous to air only
  3. Porous to water only
  4. Non-permeable.

Answer: 1. Porous to 02 and C02

Question 43. The egg of a frog as it is laid in water is a :

  1. Nature ovum
  2. Secondary oocyte
  3. Fertilized egg
  4. Primary oocyte.

Answer: 4. Primary oocyte.

Growth And Development In Plants MCQs

Question 44. Grey crescent is present in :

  1. Fertilized egg of frog
  2. Eye of frog
  3. Brain of rabbit
  4. Eye of cockroach.

Answer: 1. Fertilized egg of frog

Question 45. Microlecithal eggs are those which have :

  1. A large amount of yolk
  2. The average amount of yolk
  3. Gastrulation
  4. No yolk.

Answer: 3. Gastrulation

Question 46. The phase of embryonic development during which cell movement establishes the three primary germ layers is called :

  1. Gastrulation
  2. Blastulation
  3. Cleavage
  4. Inundation.

Answer: 1. Gastrulation

Question 47. Eggs which have no yolk or an extremely small amount of yolk are called :

  1. Alecithal
  2. Polylecithal
  3. Telolecithal
  4. Mesolecithal.

Answer: 1. Alecithal

Question 48. Fertilization :

  1. Activates the egg
  2. Brings fusion of two haploid nuclei
  3. Both and
  4. None of the above.

Answer: 3. Both and

Question 49. The intermixing of two nuclei and later two gizmos”. K known av

  1. Syngamy
  2. Fertilization
  3. Amphimixis
  4. None of the above.

Answer: 2. Fertilization

Growth And Development In Plants MCQs

Question 50. When the two gametes unite to form a zygote, it won’t:

  1. Haploid
  2. Diploid
  3. Triploid
  4. Tetraploid.

Answer: 2. Diploid

Question 51. Arrange in the correct sequence the stages of development of the fertilized ovum i.c. blaslula zygote (e) gastnda momla :

  1. a. c. b. d
  2. b, a, c. d
  3. b. d. a. c
  4. d. b. a, c.

Answer: 3. b. d. a. c

Question 52. After the sperm enters the egg, the cytoplasm rotates through the:

  1. 180°
  2. 90°
  3. 75°
  4. 60°.

Answer: 1. 180°

Question 53. The process that sets in after fertilization is known as:

  1. Cleavage
  2. Blastulation
  3. Gastrulation
  4. Neurulation.

Answer: 1. Cleavage

Question 54. Substances released by mature eggs of animals to agglutinate sperms are:

  1. Antifertilizin
  2. Sperm lysin
  3. Fertilizin
  4. Cortical granules.

Answer: 3. Fertilizin

NEET Plant Physiology MCQs

Question 55. In teleosts, reptiles and birds, the cleavage pattern is :

  1. Equal holoblastic
  2. Unequal holoblastic
  3. Incomplete meroblastic
  4. Complete meroblastic.

Answer: 3. Incomplete meroblastic

Question 56. Cleavage is a type of division in which the fertilized egg?

  1. Divides repeatedly without growth
  2. Divides repeatedly and grows
  3. Does not divide, simply grows
  4. None of the above.

Answer: 1. Divides repeatedly without growth

Question 57. Cleavage leads to formation of :

  1. Blastula
  2. Egg
  3. Gamete
  4. zygote.

Answer: 1.Blastula

Question 58. The ratio of nucleus to cytoplasm at the beginning of cleavage is :

  1. very low
  2. very high
  3. Normal
  4. A bit higher than normal.

Answer: 1. very low

Question 59. Grey crescent is the area :

  1. At the point of entry of sperm into the ovum
  2. Just opposite the site of entry of sperm into the ovum
  3. At the animal pole
  4. In the middle between the animal and vegetal pole.

Answer: 1. At the point of entry of sperm into the ovum

NEET Plant Physiology MCQs

Question 60. The development of the zygote into an embryo is called as :

  1. Embryogenesis
  2. Organogenesis
  3. Blastogenesis
  4. Gametogenesis.

Answer: 1. Embryogenesis

Question 61. When eggs are completely divided, during cleavage, into blastomeres, the type of cleavage is known as :

  1. Holoblastic
  2. Megaloblastic
  3. Meroblastic
  4. None of the above.

Answer: 1. Holoblastic

Question 62. When cleavage luirmv pimc’t through the centre of the animal vegetal axis and hlsccl’i both the poles of the egg, the plane of cleavage is called :

  1. Meridional
  2. Equatorial
  3. Vertical
  4. Latitudinal.

Answer: 1. Meridional

Question 63. Spiral cleavage is found in :

  1. Synapla
  2. Amphibia
  3. Nematoda, nnnclida and rotifera etc.
  4. None of the above.

Answer: 3. Nematoda, nuclide rotifera etc.

Question 64. Which of these is the first phase of development during embryogenesis?

  1. Differentiation
  2. Organogenesis
  3. Fertilization
  4. Gastrulation.

Answer: 3. Fertilization

Question 65. After the main organs of the embryo and its embryonic membranes are formed, then the mammalian embryo is called :

  1. Foetus
  2. Morula
  3. Gastrula
  4. Endometrium.

Answer: 1. Foetus

NEET Plant Physiology MCQs

Question 66. The external stimulus which induces cleavage in an unfertilized ovum is called :

  1. Fertilization
  2. Chemotaxis
  3. Paedogenesis
  4. Neoteny.

Answer: 1. Fertilization

Question 67. In birds, cleavage is:

  1. Discoidal
  2. Superficial
  3. Complete
  4. Absent.

Answer: 1. Discoidal

Question 68. An avian blastula is called :

  1. Blastocyst
  2. Trophoblastic
  3. Blastoderm
  4. Foetal blastula.

Answer: 1. Blastocyst

Question 69. A zygote develops into a mature organism by undergoing :

  1. Cleavage
  2. Fertilization
  3. Conjugation
  4. Reduction division.

Answer: 1. Cleavage

Question 70. The solid ball of cells produced during cleavage is :

  1. Gastrula
  2. Blastula
  3. Morula
  4. Polar body.

Answer: 3. Morula

NEET Plant Growth And Development Notes

Question 71. Clustering is a protein present in the sperm head of some :

  1. Salmon fish
  2. Birds
  3. Mammals
  4. Frog.

Answer: 1. Salmon fish

Question 72. Blastodisc or germinal disc refers to the protoplasm of the egg, this is restricted to a small area in :

  1. Amphibian egg
  2. Avian egg
  3. Ascidian egg
  4. Mammalian egg.

Answer: 4. Mammalian egg.

Question 73. The type of cleavage shown by centrolecithal eggs is :

  1. Superficial meroblastic
  2. Discoidal meroblastic
  3. Holoblastic cleavage
  4. Both and.

Answer: 1. Superficial meroblastic

Question 74. When the cleavage furrow extends from the animal pole to the vegetal pole and does not bisect the egg equally into two blastomeres, the plane of cleavage is :

  1. Meridional
  2. Equatorial
  3. Latitudinal
  4. vertical.

Answer: 4. vertical.

Question 75. During the development of the human foetus, the blood tissue ‘ starts developing in the 15th week. It starts with the development of :

  1. Blood plasma
  2. Blood platelets
  3. RBC and WBC
  4. Blood islands.

Answer: 4. Blood islands.

Question 76. The third cleavage in a frog’s egg. is :

  1. Latitudinal
  2. Horizontal Equtilorial
  3. Meridional
  4. Horizontal.

Answer: 1. Latitudinal

NEET Plant Growth And Development Notes

Question 77. As a result of cleavages, if blastomeres are symmetrically placed mound the polar axis, the type of cleavage is known as :

  1. Spiral
  2. Discoidal
  3. TO biradial
  4. Radial.

Answer: 4. Radial.

Question 78. Oblique cleavages in egg produce a symmetry known as:

  1. Spiral
  2. Biradial
  3. Bilateral
  4. Radial.

Answer: 3. Bilateral

Question 79. In frog’s egg symmetry wise the type of cleavage is :

  1. Siradial
  2. Spiral
  3. Bilateral
  4. None of the above.

Answer: 1. Siradial

Class 11 Biology MCQ  Question 8O. Gastrulation in ampliioxus is by :

  1. Convergence
  2. Emboly and epiboly
  3. Divergence
  4. Epiboly and involution.

Answer: 2. Emboly and epiboly

Question 81. Complete holoblastic cleavage occurs in :

  1. Centrolecilhal eggs
  2. Telolecithal eggs
  3. Macrolecithal eggs
  4. Microlecithal eggs.

Answer: 4. Microlecithal eggs.

Question 82. Superficial cleavage occurs in the egg of:

  1. Toad
  2. Frog
  3. Hen
  4. Cockroach.

Answer: 3. Hen

NEET Plant Growth And Development Notes

Question 83. Spiral cleavage occurs in :

  1. Ampliioxus
  2. Insects
  3. Molluscs
  4. Reptiles.

Answer: 3. Molluscs

Question 84. Discoidal meroblastic cleavage is characteristic of:

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

Answer: 4. Birds.

Question 85. The blastodisc of a chicken egg is equivalent to:

  1. Egg nucleus
  2. zygote
  3. Blastula
  4. Morula.

Answer: 3. Blastula

Question 86. How many cleavages are completed in the celled stage of a frog’s egg?

  1. Three
  2. Five
  3. Eight
  4. Sixteen.

Answer: 2. Five

Question 87. In frogs, micromeres contain :

  1. A large amount of yolk
  2. The normal amount of yolk
  3. A little amount of yolk
  4. No yolk.

Answer: 4.No yolk.

Plant Growth And Development MCQs NEET

Question 88. In an isolecithal egg, one would expect :

  1. Meroblastic cleavage
  2. Unequal holoblastic cleavage
  3. Equal holoblastic cleavage
  4. None of The above.

Answer: 1. Meroblastic cleavage

Question 89. A ball of cells with an enteric cavity is called :

gastrula

Iliscoblastula

Morula

Gaslrula.

Answer: 4. Gaslrula.

Question 90. The unit cell of the blastula is:

  1. Micromerc
  2. Mcgamerc
  3. Blastomere
  4. None of the above.

Answer: 3. Blastomere

Question 91. The blastula in mammals is referred to as :

  1. Blastoderm
  2. Blastodisc
  3. Blastocyst
  4. Coeloblastula.

Answer: 3. Blastocyst

Question 92. The primary organizer in Frog is :

  1. yolk plug
  2. ventral lip of blastopore
  3. The dorsal lip of the blastopore
  4. Lateral lip of blastopore.

Answer: 3. Dorsal lip of blastopore

Question 93. Blastopore is an aperture found in :

  1. Blastula
  2. Morula
  3. Gastrula
  4. Neurula.

Answer: 3. Gastrula

Question 94. In frogs, presumptive ectodermal cells show :

  1. Emboly
  2. Invagination
  3. Epiboly
  4. Convergence.

Answer: 3. Epiboly

Question 95. In the vertebrates, blastopore marks the region of the future :

  1. Mouth
  2. Nostril
  3. Anus
  4. Salivary glands.

Answer: 3. Anus

Plant Growth And Development MCQs NEET

Question 96. Amoeba reproduces by:

  1. Binary fission
  2. Budding
  3. Fragmentation
  4. Sporulation.

Answer: 1. Binary fission

Question 97. The period of development which is passed within the egg or the womb of the mother is called :

  1. Post-natal
  2. Embryonic
  3. Natal
  4. Extra-embryonic.

Answer: 2. Embryonic

Class 11 Biology MCQ  Question 98. When the offspring are developed by budding or fragmentation, the process is called :

  1. Embryogenesis
  2. Organogenesis
  3. Gametogenesis
  4. Blastogenesis.

Answer: 4. Blastogenesis.

Question 99. Malarial parasites multiply by the process of:

  1. Budding
  2. Fragmentation
  3. Multiple fission
  4. Binary fission.

Answer: 3. Multiple fission

Question 100. The constancy of the chromosomes is brought about by a special type of nuclear division is known as :

  1. Mitosis
  2. Meiosis
  3. Amitosis
  4. Parthenogenesis.

Answer: 2. Meiosis

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