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Q. No.Consider the two statements:
1. Assertion is true; Reason is false
2. Both Assertion and Reason are true but Reason does not correctly explain the Assertion
3. Both Assertion and Reason are true and Reason correctly explains the Assertion
4. Assertion is false; Reason is true
| Assertion: | Although hormones are circulated by blood they act only on their target tissues. |
| Reason: | Hormones produce their effects on target tissues by binding to specific proteins called hormone receptors located in the target tissues only. |
2. Both Assertion and Reason are true but Reason does not correctly explain the Assertion
3. Both Assertion and Reason are true and Reason correctly explains the Assertion
4. Assertion is false; Reason is true
Subtopic: Intro to Hormones & Endocrine Glands: I | Intro to Hormones & Endocrine Glands: II | Hormones: General Consideration | Intro to Hormones & Endocrine Glands |
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Which mechanism best describes the action of hormones?
| 1. | Hormones bind to receptors on the cell surface and directly enter the cell to alter DNA transcription. |
| 2. | Hormones bind to receptors on the cell surface, initiating a signaling cascade that affects cell function. |
| 3. | Hormones act as enzymes to directly speed up cellular reactions. |
| 4. | Hormones are transported to the nucleus where they dissolve the nuclear membrane. |
Subtopic: Hormones: General Consideration | Mechanism of Hormone Action |
78%
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Adisson’s disease:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is caused by excessive secretion of adrenal cortex hormones. |
| II: | is characterised by altered carbohydrate metabolism causing acute weakness and fatigue. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Adrenal Cortex: Cortisol |
66%
From NCERT
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Consider the given two statements:
| Assertion (A): | PTH is a hypocalcaemic hormone. |
| Reason (R): | PTH stimulates reabsorption of Ca2+ by the renal tubules. |
| 1. | Both (A) and (R) are True and (R) correctly explains the (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain the (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False and (R) is True. |
Subtopic: Parathyroid |
75%
From NCERT
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Consider the two statements:
Statement I: Thyroid hormones are lipid soluble
Statement II: Epinephrine is a derivative of tyrosine.
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Statement I: Thyroid hormones are lipid soluble
Statement II: Epinephrine is a derivative of tyrosine.
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
51%
From NCERT
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Thymus:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is located dorsal to aorta. |
| II: | regresses in size with age. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Thymus |
55%
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| Assertion(A): |
Dr. Sharma prescribed Kapil sir (travelling to Berkeley on study leave) Melatonin to overcome jet lag associated with travel across several time zones.
|
| Reason(R): | Melatonin is secreted by pineal gland. |
| 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 and (R) is True. |
Subtopic: Pineal Gland |
68%
From NCERT
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| Assertion(A): | Secretion of cortisol by adrenal cortex leads to elevated blood glucose levels. |
| Reason(R): | Cortisol causes gluconeogenesis. |
| 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 and (R) is True. |
Subtopic: Adrenal Cortex: Cortisol |
81%
From NCERT
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Match the following diseases with their causes:
Options:
1. 1-C, 2-A, 3-D, 4-B
2. 1-D, 2-B, 3-A, 4-C
3. 1-B, 2-D, 3-C, 4-A
4. 1-A, 2-C, 3-B, 4-D
| Column A | Column B | ||
| 1. | Acromegaly | A. | Deficiency of vasopressin (ADH) |
| 2. | Cushing's disease | B. | Excess secretion of growth hormone |
| 3. | Diabetes mellitus | C. | Insulin deficiency or resistance |
| 4. | Diabetes insipidus | D. | Excess cortisol production |
Options:
1. 1-C, 2-A, 3-D, 4-B
2. 1-D, 2-B, 3-A, 4-C
3. 1-B, 2-D, 3-C, 4-A
4. 1-A, 2-C, 3-B, 4-D
Subtopic: Adenohypophysis & Hypothalamus | Pancreas |
94%
From NCERT
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Consider the given two statements:
| Assertion (A): | The hypothalamus controls the pituitary gland. |
| Reason (R): | The hypothalamus secretes hormones that stimulate or inhibit the release of pituitary hormones. |
| 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. | Both (A) and (R) are False. |
Subtopic: Pituitary & Hypothalamus |
95%
From NCERT
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