| Assertion(A): | The iodine test for starch is positive when the sample turns blue-black upon addition of iodine solution. |
| Reason(R): | Iodine molecules slip into the coil of the starch molecule, causing a color change due to the interaction between starch and iodine. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |