Multiple Choice Questions

Advertisement

Hormone responsible for the secretion of milk after parturition is

  • ICSH

  • Prolactin

  • ACTH

  • LH


B.

Prolactin

The lactation process is controlled by the hormone prolactin, secreted by the anterior pituitary gland. Lactation is the production, secretion and ejection of milk.


Advertisement

Which one of the following statement with regard to the embryonic development in humans is correct ?

  • Cleavage results in a hollow balls of cells called morula

  • Cleavage in mammalian ova is unequal holoblastic and horizontal

  • Rearrangement of blastomeres, a central cavity is formed inside the morula

  • Cleavage bring about considerable increase in the mass of protoplasm


Embryo sac is

  • microgametophyte

  • microsporangium

  • megagametophyte

  • megasporangium


During a woman's life time, she produces about:

  • 40-50 eggs

  • 300-350 eggs

  • 400-500 eggs

  • 750-850 eggs


The phase of menstrual cycle in humans that lasts for 7-8 days, is :

  • menstruation

  • luteal phase

  • ovulatory phase

  • follicular phase


Advertisement

The production and maturation of sperm in testes is known as :

  • oogenesis

  • sporogenesis

  • gametogenesis

  • spermatogenesis


Endometrium is the lining of

  • bladder

  • vagina

  • uterus

  • oviduct


Human sperm was discovered by

  • Leeuwenhoek

  • Aristotle

  • Graaf

  • Pander


Secretion of androgens by testes is regulated by:

  • LTH

  • FSH

  • ICSH

  • Oxytocin


Advertisement
<

Which one of the following statements with regard to embryonic development in humans is correct?

  • Cleavage divisions bring about considerable increase in the mass of protoplasm

  • In the second cleavage division, one of the two blastomeres usually divides a little sooner than the second

  • With more cleavage divisions, the resultant blastomeres become larger and large

  • Cleavage division results in a hollow ball of cells called morula


Advertisement