Q. Which of the following statements is correct in relation to the endocrine system?
A) Adenohypophysis is under direct neural regulation of the hypothalamus
B) Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones
C) Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones
D) Releasing and inhibitory hormones are produced by the pituitary gland
Explanation
[Solution from source] Hormones are defined as non-nutrient chemicals produced in trace amounts that act as intercellular messengers. The adenohypophysis is controlled by hypothalamic hormones via the portal system, not directly by nerves, and releasing hormones come from the hypothalamus, not the pituitary. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.