Photolysis of water takes place in

Options

A. Calvin cycle
B. Glycolysis
C. Light phase
D. Dark phase

Explanation

### Step-by-Step Solution:

1. **Understanding Photolysis of Water**: Photolysis of water refers to the process where water molecules are split into hydrogen and oxygen using light energy. This process is crucial in photosynthesis as it provides the necessary electrons for the light-dependent reactions.

2. **Identifying the Phases of Photosynthesis**: Photosynthesis occurs in two main phases: the light-dependent reactions (also known as the light phase) and the light-independent reactions (Calvin Cycle or dark phase).

3. **Role of Light Energy**: In the light-dependent reactions, chlorophyll absorbs light energy. This energy is utilized to split water molecules, resulting in the release of oxygen as a byproduct.

4. **Location of Photolysis**: The photolysis of water specifically occurs during the light-dependent reactions of photosynthesis. This is where light energy is converted into chemical energy, and water is broken down.

5. **Conclusion**: Therefore, the correct answer to the question "Photolysis of water takes place in" is the light phase (light-dependent reactions) of photosynthesis.

### Final Answer:
Photolysis of water takes place in the **light phase** (light-dependent reactions) of photosynthesis.

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