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Q. No.Over-secretion of GH:
I:
in childhood leads to gigantism.
II:
in adults especially in middle age can result in severe disfigurement (especially of the face) called Acromegaly.
1. Both I and II are correct
2. Both I and II are incorrect
3. I is correct, II is incorrect
4. I is incorrect, II is correct
Subtopic: Adenohypophysis & Hypothalamus | Human Growth Hormone |
92%
From NCERT
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How many of the given statements are correct?
| I: | In males, LH stimulates the synthesis and secretion of hormones called androgens from testis. |
| II: | In males, FSH and androgens regulate spermatogenesis. |
| III: | In females, LH induces ovulation of fully mature follicles (graafian follicles) and maintains the corpus luteum, formed from the remnants of the graafian follicles after ovulation. |
| IV: | FSH stimulates growth and development of the ovarian follicles in females. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Gonadotropin & Gonadal Hormones |
88%
From NCERT
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Oxytocin:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | in females, stimulates a vigorous contraction of uterus at the time of child birth. |
| II: | is a steroidal hormone. |
| III: | causes milk ejection from the mammary gland. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Human Growth Hormone | Prolactin & Posterior Pituitary |
61%
From NCERT
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Consider the given two statements:
| Assertion (A): | An impairment affecting synthesis or release of ADH results in a diminished ability of the kidney to conserve water leading to water loss and dehydration. |
| Reason (R): | Vasopressin acts mainly at the kidney and stimulates resorption of water and electrolytes by the distal tubules. |
| 1. | (A) is True; (R) is False |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | Both (A) and (R) are True and (R) correctly explains (A) |
| 4. | (A) is False; (R) is True |
Subtopic: Adrenal Medulla | Adrenal Cortex: Aldosterone |
75%
From NCERT
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Pineal secretes a hormone called:
1. melanin, a derivative of tyrosine.
2. melatonin, a derivative of tryptophan
3. MSH, a peptide hormone
4. MDPA, a steroid
1. melanin, a derivative of tyrosine.
2. melatonin, a derivative of tryptophan
3. MSH, a peptide hormone
4. MDPA, a steroid
Subtopic: Pineal Gland |
84%
From NCERT
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Melatonin:
1. Both I and II are correct
2. Both I and II are incorrect
3. I is correct, II is incorrect
4. I is incorrect, II is correct
| I: | plays a very important role in the regulation of a 24-hour (diurnal) rhythm of our body. |
| II: | influences metabolism, pigmentation, the menstrual cycle as well as our defense capability. |
2. Both I and II are incorrect
3. I is correct, II is incorrect
4. I is incorrect, II is correct
Subtopic: Adenohypophysis & Hypothalamus | Human Growth Hormone | Prolactin & Posterior Pituitary |
95%
From NCERT
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The thyroid gland:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | is composed of two lobes interconnected with a thin flap of connective tissue called isthmus. |
| II: | is composed of follicles and stromal tissues. |
| III: | is located in the mediastinum, ventral to aorta. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
74%
From NCERT
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Consider the given statements:
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 follicular cells synthesise three hormones: thyroxine, triiodothyronine and thyrocalcitonin. |
| Statement II: | Iodine is essential for the normal rate of hormone synthesis in the thyroid. |
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 |
From NCERT
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Exophthalmic goitre is a form of:
1. Hyperparathyroidism
2. Hyperthyroidism
3. Hypercortisolism
4. Hyperadrenalism
1. Hyperparathyroidism
2. Hyperthyroidism
3. Hypercortisolism
4. Hyperadrenalism
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
From NCERT
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How many of the given statements are correct:
| I: | Thyroid hormones play an important role in the regulation of the basal metabolic rate. |
| II: | Thyroid hormones are most important factors that affect the process of red blood cell formation. |
| III: | Thyroid hormones control the metabolism of carbohydrates but not of proteins and fats. |
| IV: | Maintenance of water and electrolyte balance is also influenced by thyroid hormones. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
From NCERT
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