Adrenal cortex secretes androgen it is known as A. Testosterone B. Androsterone C. Progesterone D. Aldosterone
Adrenal cortex secretes androgen it is known as A. Testosterone B. Androsterone C. Progesterone D. Aldosterone

Adrenal cortex secretes androgen it is known as A. Testosterone B. Androsterone C. Progesterone D. Aldosterone
Active immunity development is related to A. Natural killer cells B. Memory cells C. Helper T cells D. Suppressor T cells
About how much blood is in the circulatory system of an average person? A. 1 litre B. 2 litres C. 5 litres D. 10 litres
A detritivorous animal of economic importance is (a) Caterpillar larva (b) Leech (c) Earthworm (d) Giriraja fowl
A biological catalyst is essentially (a) An enzyme (b) A carbohydrate (c) An amino acid (d) A nitrogenous base
What is the function of the nervous system in a frog?