Which one of the following is not true about the light reactions of photosynthesis ?

Options

A. Light energy provides energy for the photolysis of water through excitation of the reaction center of PS-II
B. The flow of electrons from water to NADP in non - cyclic electron transport produces one ATP
C. Reactions of the two photosynthesis are needed for the reduction of NADP
D. `P_(680) and P_(700)` are the reaction centres of PS-I and PS-II respectively

Answer

D

Explanation

In photosystem -I, the photocentre is a special chlorophyll -a molecule called `P_(700)` . It is active in both red and far -red light .while a very small amount of special form of chlorophyll -a called `P_(680)` constitutes the reaction centre of pigment system -II. Photosystem -II (PS-II) is inactive in far -red light (beyond 680 nm).