ANIMAL REPRODUCTION

Animal Reproduction
1. Spermatids are:

1. haploid 2. Diploid 3. Polyploid 4. Triploid

2. Non- flagellate sperms are found in

1. Ascaris 2. Rat 3. Man 4. Birds

3. As a result of spermatogenesis, the number of functional sperms produced from each primary

sex cell is

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

4. Which piece of a sperm is called power house?

1. Head piece 2. Neck piece 3. Middle piece 4. tail piece

5. Sperms in man are produced in

1. testis 2. epididymis 3. vas deferens 4. seminiferous tubules

6. Sperm tail shows the arrangement of micro tubules which is

1. 9 + 0 2. 9+2 3. 7+0 4. 7+2

7. Spermatogonia are

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

8. One of the last event in the transformation of the spermatid into sperm is

1. Acrosome formation is 2. Microtubules formation

3. Formation of tails 4. Elimination of cytoplasm

9. Correct sequence of cell stages in spermatogenesis is

1. Spermatogonia, spermatocytes, Spermatids, spermatozoa

2. Spermatocytes, Spermatogonia, Spermatids, spermatozoa

3. Spermatogonia,Spermatids spermatocytes, spermatozoa

4. Spermatocytes, Spermatids, Spermatogonia ,spermatozoa

10. How many ova and sperms would normally be produced from 50 secondary oocytes and 50

secondary spermatocytes during gametogenesis in frog?

1. 100 ova and 100 sperms 2. 100 ova and 200 sperms

3.100 ova and 400 sperms 4. 50 ova and 100 sperms

11. Sperms are basically derived from

1. Spermatids 2. Spermatogonia 3. Primary spermatocytes

4. Secondary spermatocytes

12. In a mammalian sperm, spirally arranged mitochondrion around the axial filament are

present in the region of the

1. Head 2. Middle piece 3. Principal piece of tail 4. End piece of tail

13. How many secondary spermatocytes will be required to form 400 spermatozoa?

1. 100 2. 200 3. 40 4. 4002

14. Sperms and ova of higher animals are: 1. Haploid 2. diploid 3. triploid 4. polyploid

15. The function of acrosome is

1. To give direction 2. To help in the entry of sperm into an ovum 3. Protection

4. To give shape

16. Acrosome contains the

1. Digestive fluids 2. Digestive enzymes 3. golgi compex 4. carbohydrates

17. The actual genetic part of a sperm is its

1. tail 2. middle piece 3. head 4. whole of it

18. Number of spermatozoa, a single primary spermatocyte ultimately produces in

spermatogenesis, is

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

19. The sperm produces substances of enzymatic nature of sperm lysin. In mammals it is called

1. Hyaluronidase 2. Hyaluranic acid 3. Androgamone 4. Cryanoganome

20. Acrosome reaction in sperm is triggered by

1. Release of fertilizin 2. Release of lysins 3. Capaciation 4. Influx of Na+ in sperm

21. Sperms remain alive and retain their ability to fertilize an egg from

1. 10 to 20 hours 2. 20 to 22 hours 3. 22 to 24 hours 4. 24 to 48 hours

22. Mammalian eggs have

1. no yolk 2. Little yolk 3. Large amount of yolk 4. Large amount of yolk concentrated at

one pole

23. The minute cells which seperate from the developing ova during their maturation are called

1. Primary spenmatogonia 2. Secondary oogonia 3. Primary oogonia

4. Polar bodies

24. The side of the ovum which extrudes polar bodies is called the

1. Vegetal pole 2. animal pole 3. peripheral side 4. none of these

25. Germ cells in vertebrate gonads are produced by

1. only mitosis 2. only meiosis 3. maturation without cell division 4. both meiosis and mitosis



ANSWERS

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