Q. No.The most common age for the onset of puberty in females is:
1. 8-9 years
2. 9-10 years
3. 11-13 years
4. 14-15 years
1. 8-9 years
2. 9-10 years
3. 11-13 years
4. 14-15 years
Identify the incorrect statement:
1. Spermatogenesis begins at puberty.
2. Secondary spermatocyte has 23 chromosomes.
3. Oogenesis lasts only from puberty until menopause
4. oogenesis begins in fetal life
Identify the incorrect statement:
| 1. | Granulosa cells produce estrogen |
| 2. | LH surge is due to peak secretion of progesterone |
| 3. | The corpus luteum secretes both progesterone and estrogen along with inhibin |
| 4. | FSH acts directly on granulosa cells |
The uterine contractions [labor pains] are initiated due to:
1. An increase in estrogen secretion
2. A decrease in oxytocin secretion
3. An increase in the progesterone: estrogen ratio
4. A decrease in FSH and LH
Fructose and prostaglandins are contributed to the seminal plasma by:
| 1. | epididymis | 2. | seminal vesicles |
| 3. | vas deferens | 4. | prostate gland |
Polar bodies:
| 1. | serve both as a dumping ground for extra sets of chromosomes and ensure that the ovum will have most of the cytoplasm. |
| 2. | get rid of of defective sets of chromosomes. |
| 3. | have no function. |
| 4. | prevent twin pregnancies. |
The testes of a pre-pubertal boy will have:
1. spermatocytes
2. spermatozoa
3. spermatogonia
4. spermatid
The dilated end of vas deferens are called:
1. corpus
2. seminal vesicle
3. ampulla
4. tubuli recti
Prostate mainly:
1. produces sperms
2. secretes fructose
3. secretes alkaline fluid
4. helps in spermiogenesis
Human embryos will develop into female by default due to:
1. presence of an X chromosome
2. an ovarian determining factor
3. presence of a Y chromosome
4. lacks of Y sex chromosome
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