Read the given statements that define functions of a particular hormone.
(i) Regulates the development, maturation and functions of epididymis, vas deferens, seminal vesicle, prostrate gland, urethra, etc.
(ii) Stimulates muscular growth of facial and axillary hair, aggressiveness, low pitch of voice, etc.
(iii) Stimulates spermatogenesis.
(iv) Act on CNS and sexual behaviour (libido).
(v) Produce anabolic (synthetic) effect on protein and carbohydrate metabolism.
(vi) The Leydig's cells/interstitial cells (present in intertubular space) secrete this hormone under the influence of LH.
Which of the following hormones is referred here?