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Q. No.Given below are two statements:
Assertion (A):
Hypothalamus is connected to the posterior lobe of the pituitary by hypophyseal portal veins
Reason (R):
The hypophyseal portal arteries carry blood from the hypothalamus to the neurohypophysis
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: Adenohypophysis & Hypothalamus |
56%
From NCERT
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Given below are two statements:
| Assertion (A): | Atrial natriuretic factor (ANF) is secreted by the wall of heart's atria |
| Reason (R): | ANF is secreted when there is a decrease in blood flow to the heart |
| 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: Misc. Hormones |
70%
From NCERT
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Given below are two statements:
| Assertion (A): | Diabetes mellitus is a hypothalamic disorder |
| Reason (R): | Low blood glucose level and cholesterol level cause diabetes mellitus |
| 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: Pancreas |
74%
From NCERT
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Given below are two statements:
| Assertion (A): | Secretin stimulates release of pancreatic enzymes, water and bicarbonate ions from liver and pancreas |
| Reason (R): | It acts majorly both on exocrine and endocrine parts of pancreas and liver |
| 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: Hormones of Heart, Kidney and Gastrointestinal Tract |
From NCERT
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Given below are two statements:
| Assertion (A): | Melatonin secretion is high at night and low during the day |
| Reason (R): | Tryptophan is a non-essential amino acid |
| 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: Pineal Gland |
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When the plasma glucose concentration reaches very high levels, a number of different hormones help combat the hyperglycemia. After intravenous administration of a large dose of glucagon, the return from a high blood sugar level to normal is delayed in
1. PTH insufficiency
2. Insulin deficiency
3. Hypersecretion of insulin
4. Aldosterone deficiency
1. PTH insufficiency
2. Insulin deficiency
3. Hypersecretion of insulin
4. Aldosterone deficiency
Subtopic: Pancreas |
77%
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Which of the following is the most likely explanation for cretinism in a patient whose iodine level is normal?
1. More production of T4 than that of T3
2. Hypersecretion of MSH
3. Hyposecretion of TSH
4. A decrease in thyrocalacitonin
1. More production of T4 than that of T3
2. Hypersecretion of MSH
3. Hyposecretion of TSH
4. A decrease in thyrocalacitonin
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
72%
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'A' stimulates growth and development of the ovarian follicles in females which synthesis and secrete 'B'. All of the given are functions of 'B' except
1. Development of low pitch of voice in females
2. Regulate female sexual behavior
3. Mammary gland development
4. Development of growing ovarian follicles
1. Development of low pitch of voice in females
2. Regulate female sexual behavior
3. Mammary gland development
4. Development of growing ovarian follicles
Subtopic: Misc. Hormones |
56%
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Choose the hormone that is secreted by the endocrine gland not located in the brain
1. Melatonin
2. Vasopressin
3. thymosin
4. Somatotropin
1. Melatonin
2. Vasopressin
3. thymosin
4. Somatotropin
Subtopic: Thymus |
85%
From NCERT
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Read the given statements and select the correct one
| 1. | Thyroid gland secretes only iodothyronines |
| 2. | ADH and ANF are synergistic to each other |
| 3. | All hypothalamic hormones originate in the hypothalamic neurons, pass through axons and are released from their nerve endings in the pituitary gland |
| 4. | Gonads and pancreas do not only function as endocrine glands. |
Subtopic: Misc. Hormones |
53%
From NCERT
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