Chlorophylls present in red algae is

Options

A. a, d
B. a, b
C. a, c
D. b, c.

Answer

To answer the question regarding the chlorophylls present in red algae, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Group of Algae**:
- The question specifically asks about red algae, which belong to the group known as Rhodophyceae.

2. **Understand the Photosynthetic Pigments**:
- All algae perform photosynthesis and contain various chlorophyll pigments necessary for this process.

3. **List the Types of Chlorophyll in Red Algae**:
- Red algae contain specific types of chlorophyll. The main chlorophylls present in red algae are:
- **Chlorophyll A**
- **Chlorophyll D**

4. **Eliminate Incorrect Options**:
- The options provided are:
- A, D
- A, B
- A, C
- B, C
- From our knowledge:
- **Chlorophyll A** is universal and present in all algae.
- **Chlorophyll B** is found in green algae (Chlorophyceae).
- **Chlorophyll C** is found in brown algae (Phaeophyceae).
- Therefore, options that include B or C can be eliminated.

5. **Select the Correct Answer**:
- The only option that includes the correct chlorophylls found in red algae is **A and D**.

### Final Answer:
The chlorophylls present in red algae are **Chlorophyll A and Chlorophyll D** (Option A, D).

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