In bacterial photosynthesis, photosystem involved is/are
Options
(a) Only PS-I
(b) Only PS-II
(c) Both PS-I and PS-II
(d) Either PS-I or PS-II
Correct Answer:
Either PS-I or PS-II
Explanation:
In bacteria only one photosystem, i.e., then photosystem-I or photosystem-II is present but oxygen evolution does not take place because they use H₂S as an electron donor.