Zoology-Endocrine Glands
NEET Zoology Endocrine Glands MCQ Question
Type: MCQ-diagram based-Medium-Class 11
Consider a diagram showing the human endocrine system with various glands labeled. Which gland is primarily responsible for regulating the diurnal rhythms of the body?

A
Pineal gland
B
Thyroid gland
C
Pituitary gland
D
Adrenal gland
Correct Answer
Option A
Detailed Explanation
The pineal gland secretes melatonin, which plays a critical role in regulating the 24-hour rhythms of the body, such as sleep and wakefulness cycles.
Found an issue with this question?
Related Questions
More from
Which hormone is primarily secreted by the pars distalis of the pituitary gland?
HormonesZoology
Which hormone is primarily secreted by the pars distalis region of the pituitary gland?
HormonesZoology
Which of the following statements regarding hormone action mechanisms are correct?
Hormone Action MechanismZoology