Question

The first step in photosynthesis is [AIEEE 2004]
A) Formation of ATP
B) Ionisation of water
C) Excitation of an electron of chlorophyll by a photon of light
D) Attachment of C{{O}_{2}}
to {{H}^{+}}
ion

Answer 1

(B)ionisation of water

Answer 2

Why Ionisation of water ?

Explain .