Question

Photolysis of water is caused by

• A. PS - I
• B. PS - II
• C. PS - 1 and PS - II
• D. None of the above

Answer 1

The correct option is B

PS - II

The correct option is B
The explanation for the correct option:

1. A photosystem is a functional unit of photosynthesis.
2. Absorption of light, transfer of energy, and electron occur.
3. In non-cyclic photophosphorylation or Z, the scheme electron is handed to chlorophyll a from the hydrolysis of water in photosystem II.
4. Photolysis of water occurs in the presence of sunlight and breakdown water into hydrogen and oxygen.

Final answer: Photolysis of water is caused by PS - II .