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Q. No.Which of the following statements about the endocrine system are correct?
I:
Hormones are transported by the bloodstream.
II:
Hormones act on specific target tissues that have receptors for them.
III:
The endocrine system works in a coordinated manner with the nervous system.
IV:
All endocrine glands are ductless.
1. I, II, and III only
2. I, II, and IV only
3. I, III, and IV only
4. I, II, III, and IV
Subtopic: Intro to Hormones & Endocrine Glands |
78%
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Which statement correctly describes the chemical nature of hormones?
| 1. | All hormones are peptides. |
| 2. | All hormones are steroids. |
| 3. | Hormones can be steroids, peptides, or derivatives of amino acids. |
| 4. | Hormones are primarily carbohydrates. |
Subtopic: Mechanism of Hormone Action |
96%
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Which of the following hormones is responsible for regulating blood sugar levels by promoting glycogen breakdown in the liver?
1. Insulin
2. Glucagon
3. Growth hormone
4. Thyroxine
1. Insulin
2. Glucagon
3. Growth hormone
4. Thyroxine
Subtopic: Pancreas |
79%
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Match the hormones with their chemical nature:
Codes:
| Column I | Column II | ||
| A. | Insulin | P. | Steroid |
| B. | Thyroxine | Q. | Peptide |
| C. | Cortisol | R. | Amino acid derivative |
Codes:
| A | B | C | |
| 1. | P | Q | R |
| 2. | Q | R | P |
| 3. | R | P | Q |
| 4. | Q | P | R |
Subtopic: Mechanism of Hormone Action |
89%
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Which peptide hormone is secreted by the cells of thyroid gland?
1. Triiodothyronine
2. Tetraiodothyronine
3. Parathyroid hormone
4. Thyrocalcitonin
1. Triiodothyronine
2. Tetraiodothyronine
3. Parathyroid hormone
4. Thyrocalcitonin
Subtopic: Thyroid Gland Part I |
74%
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Consider the given two statements:
| Assertion (A): | Steroid hormones act by entering the cell and directly influencing the expression of target genes. |
| Reason (R): | Steroid hormones bind to the surface receptors and activate second messenger systems. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Mechanism of Hormone Action |
79%
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Consider the given two statements:
| Assertion (A): | The hypothalamus secretes releasing hormones that directly stimulate the anterior pituitary to secrete its own specific hormones. |
| Reason (R): | The anterior pituitary secretes hormones into the bloodstream that act directly on the hypothalamus to inhibit further hormone secretion. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Adenohypophysis & Hypothalamus |
From NCERT
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The adrenal cortex produces several hormones crucial for homeostasis. Which of the following hormones is NOT secreted by the adrenal cortex?
1. Cortisol
2. Aldosterone
3. Adrenaline
4. Androgens
1. Cortisol
2. Aldosterone
3. Adrenaline
4. Androgens
Subtopic: Adrenal Medulla | Adrenal Cortex: Aldosterone |
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Which of the following hormones secreted by the duodenal mucosa acts on the exocrine pancreas and stimulates secretion of water and bicarbonate ions from it?
1. Gastrin
2. Cholecystokinin
3. Secretin
4. Gastric Inhibitory Peptide
1. Gastrin
2. Cholecystokinin
3. Secretin
4. Gastric Inhibitory Peptide
Subtopic: Gastrointestinal Hormones |
82%
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How do the neurohormones, oxytocin and antidiuretic hormone, reach the posterior pituitary?
1. By a portal vein
2. By a lymphatic vessel
3. By diffusion from the anterior pituitary gland
4. By axons
1. By a portal vein
2. By a lymphatic vessel
3. By diffusion from the anterior pituitary gland
4. By axons
Subtopic: Prolactin & Posterior Pituitary |
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