1. Which of these is haploid structure:

2. Ova were first identified by:

3. Process of sexual reproduction in animals involves:

4. Gametogenesis has which of these:

5. Copulation in frogs is called:

6. During spermatogenesis how many spermatids are formed from one primary spermatocytes:

7. Which of these cell divisions occur during formation of primary spermatocytes from primary spermatogonium:

8. Sperms are derived from mother cells called:

9. Who discovered sperms for the first time:

10. How many ootids are formed from one primary oogonium during oogenesis: