Melatonin:
1. levels decrease in darkness and increase in daylight.
2. is secreted by the hypothalamus.
3. is secreted by the pineal gland under the control of the anterior pituitary.
4. is secreted by the pineal gland under the control of the hypothlamus.

Subtopic:  Pineal Gland |
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Artificial light, extended work-time and reduced sleep-time disrupt the activity of

1. Thymus gland 2. Pineal gland
3. Adrenal gland 4. Posterior pituitary gland
Subtopic:  Pineal Gland |
 96%
From NCERT
NEET - 2019
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Identify the incorrectly matched pair
1. Pineal Located on the ventral side of the forebrain
2. Thymus Located on the ventral side of aorta between lungs
3. Adrenal Located at the superior pole of each kidney
4. Parathyroid Located on the back side of the thyroid gland
Subtopic:  Pineal Gland |
 75%
From NCERT
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