The edible green alga rich in protein is

Options

A. Porphyra
B. Chlorella
C. Laminaria
D. Chondrus crispus

Answer

To answer the question "The edible green alga rich in protein is," we will analyze the given options step by step.

### Step 1: Analyze the Options
The options provided are:
1. Porphyra
2. Chlorella
3. Laminaria
4. Chondrus crispus

### Step 2: Identify the Type of Algae
- **Porphyra**: This belongs to the class Pheophyceae, which is known as brown algae. Since the question asks for green algae, this option is incorrect.
- **Chlorella**: This is a green alga and is known for being rich in protein, specifically single-cell protein (SCP). This option is correct.
- **Laminaria**: This also belongs to the class Pheophyceae (brown algae), making this option incorrect.
- **Chondrus crispus**: This is a red alga, also known as Irish moss, and does not fit the criteria of being a green alga. Therefore, this option is incorrect.

### Step 3: Conclusion
After analyzing all the options, the only edible green alga that is rich in protein is **Chlorella**.

### Final Answer
The edible green alga rich in protein is **Chlorella**.

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