Q. With increasing age, secretion of which of the following reduces to almost half?
A) GTH
B) Melatonin
C) hGH
D) Oestrogen
Explanation
According to endocrine theory, the level of human growth hormone (hGH) declines to about half of adults with passage of time.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.