The common xanthophyll occuring in leaves is

Options

A. lutein
B. ẞ-carotene
C. fucoxanthin
D. Bacterioviridin

Answer

### Step-by-Step Solution:

1. **Understanding Xanthophyll**:
- Xanthophyll is a type of carotenoid pigment found in plants. It is responsible for the yellow color in many leaves and is important for photosynthesis.

2. **Location of Xanthophyll**:
- Xanthophylls are primarily found in the leaves of plants. They play a crucial role in capturing light energy for photosynthesis.

3. **Common Xanthophyll in Leaves**:
- The most common xanthophyll present in the leaves is **lutein**. It is one of the primary pigments that contribute to the color of leaves.

4. **Other Pigments**:
- While there are other pigments like beta-carotene, fucoxanthin, and bacterioviridin, they are not classified as xanthophylls. Beta-carotene is a carotene, while fucoxanthin is found in brown algae, and bacterioviridin is not typically found in higher plants.

5. **Conclusion**:
- Therefore, the answer to the question is that the common xanthophyll occurring in leaves is **lutein**.

### Final Answer:
The common xanthophyll occurring in leaves is **lutein**.

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