Phenomenon which converts light energy into chemical energy is

Options

A. respiration
B. photosynthesis
C. transpiration
D. none of these

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the phenomenon that converts light energy into chemical energy.

2. **Analyzing the Options**:
- **Option 1: Respiration**: This is a process where food is broken down to release energy, typically involving the intake of oxygen and the release of carbon dioxide. It does not involve the conversion of light energy, so this option is incorrect.

- **Option 2: Photosynthesis**: This is the process by which green plants, algae, and some bacteria convert light energy (usually from the sun) into chemical energy stored in glucose. This process uses carbon dioxide and water, and produces glucose and oxygen. Therefore, this option is correct as it directly involves the conversion of light energy into chemical energy.

- **Option 3: Transpiration**: This is the process of water loss from plants, primarily through small openings in the leaves called stomata. It does not involve the conversion of light energy into chemical energy, making this option incorrect.

- **Option 4: None of these**: Since we have identified that photosynthesis is the correct answer, this option is also incorrect.

3. **Conclusion**: After analyzing all the options, the correct answer is **Photosynthesis**, as it is the only process that converts light energy into chemical energy.

**Final Answer**: The phenomenon which converts light energy into chemical energy is **Photosynthesis**.

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