STANDARDZoology-Endocrine System
STANDARD Zoology Hormonal Regulation MCQ Question
Type: MCQ-conceptual-Medium
The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
A
Adrenaline
B
Melatonin
C
Calcitonin
D
Prolactin
Correct Answer
Option B
Detailed Explanation
The pineal gland secretes melatonin, which is involved in regulating the sleep-wake cycle and other circadian rhythms.
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