Zoology-Endocrine Glands
NEET Zoology Endocrine Glands MCQ Question
Type: MCQ-diagram based-Hard-Class 11
Consider a diagram illustrating the human endocrine system with labels for various glands. Which gland is responsible for the secretion of melatonin, a hormone regulating diurnal rhythms?
A
Pineal gland
B
Pituitary gland
C
Thyroid gland
D
Adrenal gland
Correct Answer
Option A
Detailed Explanation
The pineal gland secretes melatonin, which plays a crucial role in regulating the 24-hour diurnal rhythms of the body, including sleep-wake cycles and body temperature.
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