| 1. | a and c | 2. | b and c |
| 3. | b and d | 4. | a and d |
| Assertion (A): | Our body secretes adrenaline in intense cold. |
| Reason (R): | Adrenaline raises metabolic rate. |
| 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. |
| Assertion (A): | The over secretion of growth hormone (GH) before puberty causes acromegaly. |
| Reason (R): | The over secretion of GH after puberty causes gigantism. |
| 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. |
| Assertion (A): | The reduced secretion of ADH due to the defective heredity and metabolism causes diabetes insipidus. |
| Reason (R): | In diabetes insipidus an individual suffers from diuresis. |
| 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. |