NEET Zoology Endocrine Glands MCQ Question
Which combination of statements about endocrine glands is correct?
The pituitary gland secretes only one hormone. 2. Pineal gland regulates 24-hour rhythms. 3. Thyroid hormones regulate metabolism.
The pituitary gland secretes multiple hormones. 2. Pineal gland secretes melatonin. 3. Thyroid hormones are involved in calcium regulation.
The thyroid gland regulates blood pressure. 2. The parathyroid gland regulates calcium levels. 3. Estrogens are produced in the thyroid gland.
The adrenal gland secretes hormones that regulate metabolism. 2. The pancreas is a primary endocrine gland. 3. Progesterone supports pregnancy.
Correct Answer
Detailed Explanation
The pituitary gland secretes multiple hormones, and the pineal gland indeed secretes melatonin, which regulates 24-hour rhythms. Thyroid hormones play a significant role in metabolism but are not primarily involved in calcium regulation; that is the role of parathyroid hormones.
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