| Assertion (A): | Myosin is not a part of thin filament. |
| Reason (R): | Meromyosin polymerises to form myosin. |
| 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 mechanism of muscle contraction can be explained by sliding-filament theory. |
| Reason (R): | Muscular contraction occurs by the sliding of thick filaments over the thin filaments. |
| 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): | Myasthenia Gravis is an autoimmune disorder. |
| Reason (R): | Antibodies produced in the body start attacking its own receptors present on sarcolemma. |
| 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 |