| 1. | Light absorption |
| 2. | Water splitting and oxygen release |
| 3. | Formation of ATP and NADPH |
| 4. | Fixation of carbon |
What is true regarding PSI and PSII?
| 1. | PS I works before PS II during the light reaction |
| 2. | A single chlorophyll a molecule makes the reaction center in both PS I and PS II |
| 3. | The reaction center of PS I is P680 and in PS II is P700 |
| 4. | LHC is seen in PS I but not in PS II |