| 1. | Both ATP and NADPH are produced |
| 2. | Photolysis of water produces oxygen |
| 3. | Excited electron does not pass on to NADP+ but is cycled back to the PS I complex through the electron transport chain |
| 4. | Only PS II is functional |
| I: | PS I is so called because it was discovered before Photosystem II. |
| II: | Photosystem II is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |