Hormonal vitamin is-: (A) Niacin, (B) Pyridoxin, (C) Vitamin D, (D) Riboflavin
Answer is C. Ans. is 'c' i.e.. Vitamin D o Active form of vitamin D i.e. 1-25 dihydroxy-cholecalciferol is a vitamin produced in kidney,o It acts on intranuclear receptors to regulate gene expressions (transcription factors).