Assertion (A): | Availability of oxygen is not a problem in all plant cells. |
Reason (R): | All photosynthetic cells release O2 within the cell. |
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. | (A) is False but (R) is True. |