Question

3.Assertion(A):The changes associated with puberty are regulated by sex hormones like oestrogen and testosteron.
Reason(R): Testosterone is secreted by vas deferens
(A). Both A and R are true and R is the correct explanation of A
(B) Both A and R are true and R is not the correct explanation of A
(C) A is true but R is false
(D) R is true but A is false

Answer 1

Answer:

option no.(c)

Explanation:

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Answer 2

Option C: A is true but R is false.

Explanation: Testosterone is the primary steroid hormone secreted in males. In males, testosterone plays a key role in the development of male reproductive organs like testes and prostate. It also promotes secondary sexual characteristics. Leydig cells also referred to as interstitial cells, are found adjacent to the seminiferous tubules within the testicle. Leydig cells are polyhedral in shape and have an outsized prominent nucleus, an eosinophilic cytoplasm and various lipid-filled vesicles. The nucleus contains one to three prominent nucleoli and enormous amounts of dark-stained peripheral heterochromatin. They produce testosterone as directed by the release of Luteinizing hormone (LH). The cholesterol is employed within the initiative of testosterone production. The production of spermatozoa and secretion from the accessory sex glands are regulated by testosterone. The event and maturation of Leydig cells are dynamic which involves interaction between hormones and various additional factors.

So, testosterone is produced by  Leydig’s cell.