Which of the following glands secretes the hormone melatonin?
1. anterior pituitary gland.
2. melanocytes.
3. pineal gland.
4. suprachiasmatic nucleus of hypothalamus.

Subtopic:  Pineal Gland |
 79%
From NCERT
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Identify the incorrect statement:
1. In males FSH regulates spermatogenesis
2. Thyroid gland produces T3 and thyroxine (T4) hormones
3. ACTH stimulates secretion of glucocorticoids
4. PTH is a hyperglycemic hormone

Subtopic:  Parathyroid |
 69%
From NCERT
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Hormones that act by interacting with intracellular include all the following except:
1. Thyroxin
2. Estrogen
3. Epinephrine
4. Cortisol 

Subtopic:  Mechanism of Hormone Action |
 61%
From NCERT
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The amino acid derivative among the following hormone is:-

1. Insulin
2. Epinephrine
3. Estradiol
4. Testosterone

Subtopic:  Hormones: General Consideration |
 75%
From NCERT
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Androgenic steroids in female are secreted by:
1. pineal gland
2. Testes
3. Adrenal cortex
4. Hypothalamus

Subtopic:  Adrenal Cortex: Aldosterone |
 77%
From NCERT
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ACTH controls the secretion of:
1. cortisol
2. aldosterone
3. epinephrine
4 testosterone

Subtopic:  Adenohypophysis & Hypothalamus |
 73%
From NCERT
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The biomolecule that cannot act as a chemical messenger [hormone] is:
1. Proteins

2. Steroids

3. Fatty acids

4. Carbohydrate

Subtopic:  Mechanism of Hormone Action |
 51%
From NCERT
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Which of the following is a storage and release center for neurohormones?
1. Anterior pituitary
2. Posterior pituitary
3. Adrenal medulla
4. Pineal

Subtopic:  Pituitary & Hypothalamus | Prolactin & Posterior Pituitary |
 82%
From NCERT
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Which hormones stimulate the production of pancreatic juice and bicarbonate?
1. angiotensin and epinephrine
2. gastrin and insulin
3. cholecystokinin and secretin
4. insulin and glucagon

Subtopic:  Gastrointestinal Hormones |
 94%
From NCERT
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All the following regarding regulation of a physiological function by either a neurotransmitter or a hormone are true except:
1. Target cells must have specific receptor proteins with which these molecules combine.
2. When these molecules bind to target cells, specific sequences of changes must occur.
3. There must be an “off-switch” that will stop the induced changes.
4. Second messengers will always be involved in the response of the target cell.

Subtopic:  Mechanism of Hormone Action |
 66%
From NCERT
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