### Answer Breakdown

1. **Identifying the Options**:
- A. Guard cells: These are specialized cells that regulate the opening and closing of stomata, but they do not capture light energy.
- B. Chlorophyll: This is the green pigment found in plants, specifically in chloroplasts, which is crucial for absorbing light energy.
- C. Roots: Their primary function is to absorb water and nutrients from the soil, not to capture light energy.

2. **Analysis**:
Chlorophyll is essential for photosynthesis because it absorbs light, primarily in the blue and red wavelengths, and uses that energy to convert carbon dioxide and water into glucose and oxygen. Without chlorophyll, plants would not be able to efficiently capture light energy for this process.

### Final Answer
B. Chlorophyll

Question

### Answer Breakdown

1. **Identifying the Options**:
   - A. Guard cells: These are specialized cells that regulate the opening and closing of stomata, but they do not capture light energy.
   - B. Chlorophyll: This is the green pigment found in plants, specifically in chloroplasts, which is crucial for absorbing light energy.
   - C. Roots: Their primary function is to absorb water and nutrients from the soil, not to capture light energy.

2. **Analysis**:
   Chlorophyll is essential for photosynthesis because it absorbs light, primarily in the blue and red wavelengths, and uses that energy to convert carbon dioxide and water into glucose and oxygen. Without chlorophyll, plants would not be able to efficiently capture light energy for this process.

### Final Answer
B. Chlorophyll

Knowee AI · Accepted Answer

### Answer Breakdown

1. **Identifying the Options**:
   - A. Guard cells: These are specialized cells that regulate the opening and closing of stomata, but they do not capture light energy.
   - B. Chlorophyll: This is the green pigment found in plants, specifically in chloroplasts, which is crucial for absorbing light energy.
   - C. Roots: Their primary function is to absorb water and nutrients from the soil, not to capture light energy.

2. **Analysis**:
   Chlorophyll is essential for photosynthesis because it absorbs light, primarily in the blue and red wavelengths, and uses that energy to convert carbon dioxide and water into glucose and oxygen. Without chlorophyll, plants would not be able to efficiently capture light energy for this process.

### Final Answer
B. Chlorophyll

Which part of a plant captures the light energy used in photosynthesis? A. guard cells B. chlorophyll C. roots

Question

Which part of a plant captures the light energy used in photosynthesis?

Solution

Answer Breakdown

Final Answer

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