STANDARDZoology-Endocrine System
STANDARD Zoology Pineal Gland MCQ Question
Type: MCQ-conceptual-Medium
Pineal gland of human brain secretes melatonin concerned with
A
Anger
B
Body temperature
C
Coloration of skin
D
Sleep
Correct Answer
Option D
Detailed Explanation
Melatonin contributes to the setting of the body's biological clock. It also helps maintain body temperature as more melatonin is liberated during darkness than in light; this hormone is thought to promote sleepiness.
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