Number of tentacles in a polyp of Obelia is

Options

A. `5-10`
B. `10-15`
C. `15-20`
D. `20-30`

Answer

To determine the number of tentacles in a polyp of Obelia, follow these steps:

1. **Identify the Organism**: Recognize that Obelia is a type of coelenterate, which exhibits two life forms: polyp and medusa.

2. **Focus on the Polyp Stage**: The question specifically asks about the polyp stage of Obelia.

3. **Count the Tentacles**: In the polyp form of Obelia, it is known that the number of tentacles typically ranges from 20 to 30.

4. **Understand Tentacle Structure**: The tentacles of Obelia are solid in nature, and their core is made up of endodermal cells.

5. **Conclusion**: Based on the information gathered, the number of tentacles in a polyp of Obelia is approximately 20 to 30.

**Final Answer**: The number of tentacles in a polyp of Obelia is approximately 20 to 30.

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