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Q. No.Consider the two statements:
Assertion(A):
Adrenaline and noradrenaline are called emergency hormones or hormones of Fight or Flight.
Reason(R):
Adrenaline and noradrenaline are monoamine neurotransmitters.
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: Adenohypophysis & Hypothalamus | Adrenal Medulla |
52%
From NCERT
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Adrenaline and noradrenaline:
I: increase alertness
II: dilate pupil
III: cause piloerection (raising of hairs)
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: increase alertness
II: dilate pupil
III: cause piloerection (raising of hairs)
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
Subtopic: Adrenal Medulla |
From NCERT
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How many of the following will be the functions of adrenaline and noradrenaline?
| I: | increase in heart rate |
| II: | decrease in the strength of heart contraction |
| III: | increase in the rate of respiration |
| IV: | glycogenolysis |
| V: | breakdown of lipids and proteins |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Subtopic: Adrenal Medulla |
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Which of the following produces anti-inflammatory reactions and suppresses the immune response?
| 1. | Thyroxine | 2. | Thymosin |
| 3. | Cortisol | 4. | Aldosterone |
Subtopic: Adrenal Cortex: Cortisol |
80%
From NCERT
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Aldosterone:
| 1. | acts mainly at the renal tubules and stimulates the excretion of Na+ and water and reabsorption of K+ and phosphate ions. |
| 2. | acts mainly at the renal tubules and stimulates the reabsorption of Na+ and water and excretion of K+ and phosphate ions. |
| 3. | acts mainly at the collecting duct and stimulates the excretion of Na+ and water and reabsorption of K+ and phosphate ions. |
| 4. | acts mainly at the collecting duct and stimulates the reabsorption of Na+ and water and excretion of K+ and phosphate ions. |
Subtopic: Adrenal Medulla | Adrenal Cortex: Aldosterone |
85%
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Identify the incorrect statement regarding pancreas:
| 1. | It is a composite gland which acts as both exocrine and endocrine gland. |
| 2. | The endocrine pancreas consists of ‘Islets of Langerhans’. |
| 3. | There are about 1 to 2 million Islets of Langerhans in a normal human pancreas representing 90 percent of the pancreatic tissue. |
| 4. | It is an organ of the digestive system and endocrine system of vertebrates. |
Subtopic: Pancreas |
From NCERT
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Regarding the two main types of cells in the Islet of Langerhans of pancreas:
1. Only A is correct
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
| A: | The α-cells secrete a hypoglycaemic hormone called glucagon. |
| B: | The β-cells secrete a hyperglycaemic hormone called insulin. |
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
Subtopic: Pancreas: I | Pancreas: II | Pancreas |
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Consider the two statements:
| Assertion (A): | Diabetes mellitus is associated with loss of glucose through urine and formation of harmful compounds known as ketone bodies. |
| Reason (R): | Insulin stimulates conversion of glucose to glycogen (glycogenesis) in the target cells. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Pancreas: I | Pancreas: II | Pancreas |
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Androgens:
1. Only I, II and III are correct
2. Only II, III and V are correct
3. Only III, IV and V are correct
4. I, II, III, IV and V are correct
| I: | regulate the development, maturation and functions of the male accessory sex organs. |
| II: | stimulate muscular growth, growth of facial and axillary hair, aggressiveness, low pitch of voice etc. |
| III: | play a major stimulatory role in the process of spermatogenesis (formation of spermatozoa). |
| IV: | act on the central neural system and influence the male sexual behaviour (libido). |
| V: | produce anabolic (synthetic) effects on protein and carbohydrate metabolism. |
2. Only II, III and V are correct
3. Only III, IV and V are correct
4. I, II, III, IV and V are correct
Subtopic: Gonadotropin & Gonadal Hormones |
92%
From NCERT
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Consider the given two 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: | The estrogen is synthesised and secreted mainly by the growing ovarian follicles. |
| Statement II: | After ovulation, the ruptured follicle is converted to a structure called corpus luteum, which secretes mainly progesterone. |
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: Gonadotropin & Gonadal Hormones |
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