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Question

The synthesis and release of thyroxine from the thyroid gland is stimulated by
  1. LH
  2. TSH
  3. ACTH
  4. FSH

A
TSH
B
ACTH
C
LH
D
FSH
Solution
Verified by Toppr

Follicle stimulating hormone (FSH) promotes spermatogenesis in seminiferous tubules of male and follicle development in females. Option D is incorrect. LH is also gonadotropin and stimulates production of sex hormones by gonads which makes option A incorrect. Thyroid stimulating hormone of anterior pituitary stimulates secretion of thyroxin by binding to the receptors of follicle of thyroid gland. This makes option B correct. ACTH regulates the secretion of glucocorticoids (cortisol, corticosterone and cortisone) by adrenal cortex via negative feedback mechanism. This makes option C incorrect. Correct answer is B.

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