What is the location and secretion of the $Leydig$ cells?

In males,$LH$ stimulates the synthesis and secretion of hormones called

Select the option which correctly matches the endocrine gland with its hormone and its function.

In males,the retarded growth of secondary sexual characters is due to the deficiency of which of the following hormones?

Androgens act on the $A$ and influence the male sexual behavior called $B$. These hormones produce $C$ effect on protein and carbohydrate metabolism. Choose the correct combination of $A, B$ and $C$.

Write two major functions each of testis and ovary.