Q. No.
In humans, at the end of the first meiotic division, the male germs cells differentiate into the:
1. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
1. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
1. Chorion
2. Allantois
3. Yolk sac
4. Amnion
Which part of the ovary in mammals acts as an endocrine gland after ovulation?
| 1. | Graafian follicle | 2. | Stroma |
| 3. | Germinal epithelium | 4. | Vitelline membrane |
| 1. | During normal menstruation about 40 ml of blood is lost |
| 2. | The menstrual fluid can easily clot |
| 3. | At menopause in the female, there is an especially abrupt increase in gonadotropic hormones |
| 4. | The beginning of the cycle of menstruation is called menarche |
In the human female, menstruation can be deferred by the administration of:
1. LH only
2. Combination of FSH and LH
3. Combination of estrogen and progesterone
4. FSH only
Withdrawal of which of the following hormones is the immediate cause of menstruation?
1. Estrogen
2. FSH
3. FSH-RH
4. Progesterone
The part of the Fallopian tube closest to the ovary is:
1. Isthmus
2. Infundibulum
3. Cervix
4. Ampulla
Which one of the following is the correct match of the events occurring during the menstrual cycle?
| 1. | Ovulation - LH and FSH attain peak level and sharp fall in the secretion of progesterone |
| 2. | Proliferative phase - Rapid regeneration of myometrium and maturation of Graafian follicle |
| 3. | Development of corpus luteum - Secretory phase and increased secretion of progesterone |
| 4. | Menstruation - Breakdown of myometrium and ovum not fertilized |
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 |
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