Frog Spawn Alga is

Options

A. Batrachospermum
B. Chlamydomonas
C. Fucus
D. Gelidium.

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks what "Frog Spawn Alga" is, providing four options: Batrachospermum, Chlamydomonas, Fucus, and Gallidium.

2. **Analyze the Options**:
- **Batrachospermum**: This is known to be associated with the term "frog spawn" due to its appearance and habitat.
- **Chlamydomonas**: This is a unicellular green alga, not related to frog spawn.
- **Fucus**: This is a brown alga, typically found in marine environments, not related to frog spawn.
- **Gallidium**: This is not relevant to frog spawn; it is associated with other uses, such as in ice cream production.

3. **Research the Characteristics of Frog Spawn Alga**:
- Batrachospermum belongs to the class Rhodophyceae (red algae).
- It is typically found in slow-moving freshwater streams.
- Its mucilaginous sheath gives it a resemblance to frog eggs, which is why it is called "frog spawn alga."

4. **Conclusion**: Based on the analysis and characteristics, the correct answer is **Batrachospermum**.

5. **Final Answer**: The correct option for "Frog Spawn Alga" is **Batrachospermum**.

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