Q. No.Select the correct sequence for the transport of sperm cells in the male reproductive system:
1.
Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → Inguinal canal → Urethra → Urethral meatus
2.
Testis → Epididymis → Vasa efferentia → Rete testis → Inguinal canal → Urethra
3.
Seminiferous tubules → Rete testis → Vasa efferentia → Epididymus → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus
4.
Seminiferous tubules → Vasa efferentia → Epididymis → Inguinal canal → Urethra
Extrusion of the second polar body from the egg nucleus occurs:
| 1. | simultaneously with the first cleavage |
| 2. | after entry of sperm but before fertilization |
| 3. | after fertilization |
| 4. | before entry of sperm into the ovum |
The part of the Fallopian tube closest to the ovary is:
1. Isthmus
2. Infundibulum
3. Cervix
4. Ampulla
Withdrawal of which of the following hormones is the immediate cause of menstruation?
1. Estrogen
2. FSH
3. FSH-RH
4. Progesterone
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. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
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 |
Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D:
|
(a) |
Ureter |
Prostate |
Seminal vesicle |
Bulbourethral gland |
|
(b) |
Vas deferens |
Seminal vesicle |
Prostate |
Bulbourethral gland |
|
(c) |
Vas deferens |
Seminal vesicle trial gland |
Bulboure |
Prostate |
|
(d) |
Ureter |
Seminal vesicle |
Prostate |
Bulbourethral gland |
1. (a)
2. (b)
3. (c)
4. (d)
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