Question
Biology Question on Photosynthesis in higher plants
Which one of the following is essential for photolysis of water?
A
manganese
B
zinc
C
copper
D
boron
Answer
manganese
Explanation
Solution
Manganese (Mn2+) 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.