This pigment is abundantly present in blue green algae

Options

A. Phycocyanin
B. Phycoerythrin
C. Fucoxanthin
D. Mixoxanthin

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the pigment that is abundantly present in blue-green algae.

2. **Analyze the Options**: The options provided are:
- Option A: Phycocyanin
- Option B: Phycoerythrin
- Option C: Fucosanthin
- Option D: Mixosanthin

3. **Evaluate Each Option**:
- **Option A: Phycocyanin**: This is a pigment that gives blue-green algae their characteristic blue color. It is indeed abundantly present in blue-green algae.
- **Option B: Phycoerythrin**: This pigment is responsible for the red color and is primarily found in red algae, not blue-green algae.
- **Option C: Fucosanthin**: This pigment gives a brown color and is typically found in brown algae, not in blue-green algae.
- **Option D: Mixosanthin**: This pigment can be found in blue-green algae but is present in minor amounts compared to phycocyanin.

4. **Conclusion**: Based on the analysis, the pigment that is abundantly present in blue-green algae is **Phycocyanin** (Option A).

**Final Answer**: The correct answer is **Option A: Phycocyanin**.

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