The spermatids are transformed into spermatozoa by the process called:
1. Spermiation
2. Spermatocytogenesis
3. Spermiogenesis
4. Spermatolysis
Which of the following hormones acts on the Sertoli cells to stimulate secretion of some factors which help in the process of spermiogenesis?
1. FSH
2. LH
3. Testosterone
4. GnRH
Identify the correct statement on ‘inhibin'
| 1. | Is produced by granulosa cells in ovary and inhibits the secretion of FSH |
| 2. | Is produced by granulosa cells in ovary and inhibits the secretion of LH |
| 3. | Is produced by nurse cells in testes and inhibits the secretion of LH |
| 4. | Inhibits the secretion of LH, FSH and prolactin |
Which one of the following statements about human sperm is correct?
| 1. | Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilization |
| 2. | The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization |
| 3. | Acrosome serves as a sensory structure leading the sperm towards the ovum |
| 4. | Acrosome serves no particular function |
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
| 1. | spermatocyte - spermatogonia - spermatid - sperms |
| 2. | spermatogonia - spermatocyte - spermatid -sperms |
| 3. | spermatid-spermatocyte-spermatogonia -sperms |
| 4. | spermatogonia-spermatid-spermatocyte -sperms |
In humans, at the end of the first meiotic division, the male germ cells differentiate into
the
1. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
| Assertion(A): | Spermiation is the transformation of spermatid into sperm. |
| Reason(R): | During spermiation, sperms get nutrition from sertioli cells. |
In the following questions, a statement of assertion (A) is followed by a statement of reason (R)
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true statement but (R) is false |
| 4. | Both (A) and (R) are false statement |
Which of the following cell will undergo meiosis?
1. Sertoli cells
2. Spermatogonia
3. Leydig cell
4. Immunologically competent cells
Which of the following does not has 46 chromosomes?
| 1. | Spermatogonia | 2. | Primary Spermatocyte |
| 3. | Spermatozoa | 4. | Sertoli cells |
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