Chemical Co-ordination and Integration Questions and Answers Part-4

1. _________ induces ovulation of fully mature follicle (Graffian follicles) and maintains the corpus luteum, formed from the remnants of the graffian follicles after ovulation.
a) FSH
b) ACTH
c) LH
d) GH

Answer: c
Explanation: LH

2. _________ stimulate growth and development of ovarian follicles in females.
a) FSH
b) LH
c) PRL
d) TSH

Answer: a
Explanation: FSH stimulate growth and development of ovarian follicles in females.

3. Which of the following hormones of anterior pituitary together called gonadotropins?
a) LH and ACTH
b) FSH and LH
c) TSH and PRL
d) MSH and LH

Answer: b
Explanation: FSH and LH

4. Over-secretion of GH (growth hormone) in child leads to
a) Dwarfism
b) Cretinism
c) Gigantism
d) Tetany

Answer: c
Explanation: Gigantism

5. Low secretion of GH in child leads to
a) Pituitary dwarfism
b) Gigantism
c) Cretinism
d) Tetany

Answer: a
Explanation: Pituitary dwarfism

6. _________ acts on the smooth muscles of our body and stimulate their contraction.
a) LH
b) FSH
c) Oxytocin
d) GH

Answer: c
Explanation: Oxytocin acts on the smooth muscles of our body and stimulate their contraction.

7. In females _________ stimulates a vigorous contraction of uterus at the time of child birth.
a) LH
b) FSH
c) Oxytocin
d) Relaxin

Answer: c
Explanation: Oxytocin

8. From which part of nephron ADH stimulates reabsorption of water and electrolyte?
a) PCT
b) HL
c) Distal tubules
d) Bowman capsule

Answer: c
Explanation: Distal tubules

9. Whoch of the following hormone is known as antidiuretic hormone?
a) Oxytocin
b) Prolactin
c) Luteinizing Hormone
d) Vasopressin

Answer: d
Explanation: Vasopressin

10. Diuresis is reduced by
a) Oxytocin
b) Prolactin
c) Luteinizing Hormone
d) Vasopressin

Answer: d
Explanation: Diuresis is reduced by vasopressin.