Question
Biology Question on Nutrition
Best defined function of manganese in green plants is
A
Photolysis of water
B
Calvin cycle
C
Nitrogen fixation
D
Water absorption
Answer
Photolysis of water
Explanation
Solution
Manganese (Mn{2+} ) is used for photolysis of water to produce oxygen and electrons during light reaction of photosynthesis. It is the phenomenon of breaking up of water into hydrogen and oxygen in the illuminated chloroplast. It acts as an essential cofactor.