Ncert Exercises & Solutions

The correct sequence of flow of electrons in the light reaction is:

1.	PS II, plastoquinone, cytochromes, PS I, ferredoxin
2.	PS I, plastoquinone, cytochromes, PS II, ferredoxin
3.	PS I, ferredoxin, PS II
4.	PS I, plastoquinone, cytochromes, PSII, ferredoxin

Option (a) is the correct sequence of movement of electrons.

The options (b), (c) and (d) do not give this correct sequence of events.