Body cavity of Ascaris is called

Options

A. Haemoceol
B. Schizocoel
C. Entercocoel
D. Pseudocoel

Answer

**Step-by-Step Solution:**

1. **Understanding Body Cavities**: The body cavity is a space within an organism that separates different body layers. It can be filled with fluid and serves various functions, including housing organs and providing structural support.

2. **Identifying Types of Body Cavities**: There are several types of body cavities:
- **Hemocoel**: Found in organisms like cockroaches, it contains hemolymph.
- **Siloam**: This refers to a cavity formed around the mesodermal mass.
- **Enterocoel**: A cavity that forms around the digestive tract.
- **Pseudocoel**: A body cavity that is not completely lined by mesoderm.

3. **Focusing on Ascaris**: Ascaris, a type of roundworm, belongs to the phylum Aschelminthes. It is important to identify the specific type of body cavity present in Ascaris.

4. **Determining the Correct Body Cavity in Ascaris**:
- Ascaris has a **pseudocoel**. This is characterized by a body cavity that lies between the mesoderm and endoderm but is not completely lined by mesodermal tissue.
- The pseudocoel serves to separate the endoderm and mesoderm layers, providing structural support and space for organ development.

5. **Conclusion**: The body cavity of Ascaris is called **pseudocoel**.

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