Thank you for reporting, we will resolve it shortly
Q.
The hormone of gonads that is related to $RBC$ formation:-
NTA AbhyasNTA Abhyas 2020
Solution:
In males, the testes secrete male sex hormones called androgens such as testosterone. Testosterone is secreted from interstitial cells or Leydig's cells by the influence of luteinising hormone (LH). Rise in testosterone level in blood above normal inhibits LH secretion.