Q. No.
Which of the following hormones are secreted in women only during pregnancy?
| (a) Relaxin | (b) Oxytocin | (c) hCG |
| (d) hPL | (e) Progesterone | |
Choose the most appropriate answer from the options given below:
| 1. | (c) , (d) and (e) only | 2. | (b) and (e) only |
| 3. | (b) , (c) and (d) only | 4. | (a) , (c) and (d) only |
Arrange the following male sex accessory ducts in the correct sequence for the transport of sperms from the tests
| (a) Epididymis | (b) Ejaculatory duct |
| (c) Vasa efferentia | |
| (d) Rete testis | (e) Vas deferens |
Choose the most appropriate answer from the options given below:
| 1. | (d) , (a) , (c) , (e) , (b) | 2. | (d) , (c) , (e) , (a) , (b) |
| 3. | (d) , (c) , (a) , (e) , (b) | 4. | (d) , (e) , (a) , (c) , (b) |
| (a) Mammary duct | (b) Lactiferous duct | (c) Alveoli |
| (d) Mammary ampulla | (e) Mammary tubules | |
1. (c) → (a) → (d) → (e) → (b)
2. (b) → (c) → (e) → (d) → (a)
3. (c) → (e) → (a) → (d) → (b)
4. (e) → (c) → (d) → (b) → (a)
| 1. | 50 million | 2. | 100 million |
| 3. | 200 million | 4. | 400 million |
| Assertion (A): | During pregnancy, the level of thyroxine is increased in the maternal blood. |
| Reason (R): | Pregnancy is characterised by metabolic changes in the mother. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for:
| 1. | escaping any possible compression by the visceral organs |
| 2. | providing more space for the growth of epididymis |
| 3. | providing a secondary sexual feature for exhibiting the male sex |
| 4. | maintaining the scrotal temperature lower than the internal body temperature |
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 |
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 |
Identify the human development stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two together:
|
Developmental stage |
Site of occurrence |
|
|
1. |
Blastocyst |
Uterine wall |
|
2. |
8 cells morula |
Starting point of Fallopian tube |
|
3. |
Late morula |
Middle part of Fallopian tube |
|
4. |
Blastula |
End part of Fallopian tube |
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