ANIMAL REPRODUCTION

Animal Reproduction
1 Meiosis during oogenesis helps in

1. Reduction of chromosome number 2. Synthesis of yolk 3. (1) and (2)

4. None of these

2. The primary oocyte changes into ovum by

1. growth 2. Differentiation 3. (1) and (2) 4. Neither (1) nor(2)

3. The eggs of insects are

1. Mesolecithal and centrolecithal 2. Macrolecithal and centrocithal

3. Mesolecithal and telolecithal 4. Macrolecithal and telolecithal

4. As a result of first deiosis during oogenesis the structure formed is/are

1. Polocyte 2. Secondary oocyte 3. (1) and (2) 4. Germinal vesicle

5. Polar bodies are formed during

1. Oogenesis 2. Spermatogenesis 3. Gametogenesis 4. Spermateleosis

6. Germ cells in vertebrate ganads form by

1. Mitosis 2. Meiosis 3. Both meiosis and mitosis 4. Maturation without cell

division

7. Cleidoic eggs are found in:

1. Fish 2. Amphibia 3. Reptilia 4. None of these

8. Polar bodies are formed during the formation of

1. Ova 2. Sperms 3. Oogonia 4. Spermatogonia

9. The ova are derived from

1. Germinal epithelium 2. Spermatocytes 3. Germinal vesicle 4. Polocyte

10. The large-sized nucleus of primary oocyte is called

1. Ovum 2. Seminal vesicle 3. Germinal vesicle 4. Nucleolus

11. A freshly laid unfertilized egg of hen contains

1. One cell 2. About a million cells 3. 109 cells 4. cells

12. Epithelium formed of germinal cells is;

1. Columnar 2. Cuboidal 3. Squamous 4. Sensory

13. Yolk synthesis is known as

1. Histogenesis 2. Glycogenesis 3. Oogenesis 4. Vitellogenesis

14. During fertilization, two cells fuse, yet the blastomeres of zygote contains the same number

of chromosomes in all body cells, because

1. Meiosis occurs during cleavage 2. Chromosomes are absent in sperms

3. Mdiosis occurs during gametogenesis 4. Parthenogenesis occurs during gametogenesis

15. First meiotic division during oogenesis occurs in

1. First polar body 2. Second polar body 3. Primary oocyte 4. Secondary oocyte

16. By which process the Graafian follicles are formed in the ovary?

1. Foliculogenesis 2. Oogenesis 3. Ovulation 4. All the above

17. Tertiary egg membrane is secreted by

1. Oviduct 2. Egg itself 3. Follicle cells 4. Both (2) & (3)

18. Lampbrush chromosomes are present in the primary oocytes of

1. Fish and amplhibians 2. Reptiles and birds

3. Some invertebrates like sepia and some insects 4. All the above.

19. Secondary egg membrane is secreted by

1. Egg itself 2. Follicle cells 3. Oviduct 4. Both (1) & (3)

20. Human egg (ovum) loses its ability to be fertilized about ........ hours after ovulation

1. 10 2. 15 3. 20 4. 24

21. Human beings are

1. Ovoviviparous 2. Oviparous 3. Parthenogenetic 4. Viviparous

22. Which one is hermaphrodite?

1. Earthworm, Hydra and Leech 2. Cockroach, Earthworm and Hydra

3. Earthworm, Ascaris and Leech 4. Ascaris, Cockroach and Hydra

23. In apomictic/ parthenogenetic development the individuals are

1. Morphologically and genetically similar 2. Morphologically and genetically different

3. Morphologically different but genetically similar 4. None of these

24. Cell division in sexual reproduction is

1. Amitotic 2. Mitotic 3. Meiotic 4. Both meiotic and mitotic

25. Progesterone is secreted by

1. Corporus luteum 2. Thyroid 3. Thymus 4. Testis

ANSWERS

1. (1) 2. (3) 3. (2) 4. (3) 5. (1) 6. (1) 7. (4) 8. (1) 9. (1) 10. (3)
11. (1) 12. (2) 13. (4) 14. (3) 15. (3) 16. (2) 17. (1) 18. (4) 19. (2) 20. (4)
21. (4) 22. (1) 23. (1) 24. (4) 25. (1)