What name is given to the condition of testis in Ascaris ?

Options

A. Monodelphic
B. Didelphic
C. Monarchic
D. Alarchic .

Answer

To answer the question regarding the condition of the testis in Ascaris, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**: Understand that Ascaris is a type of roundworm that belongs to the phylum Nematoda.

2. **Understand the Reproductive System**: In Ascaris, the male has a single testis. This is a key characteristic of its reproductive anatomy.

3. **Define the Condition**: The condition of having a single testis is referred to as "monarchic."

4. **Eliminate Incorrect Options**:
- **Monodelphic**: This term refers to organisms that have a single ovary, not applicable here.
- **Didelphic**: This term indicates the presence of two ovaries, which is also not relevant for the male Ascaris.
- **Allarchic**: This term does not apply to the condition of the testis in Ascaris.

5. **Conclude the Correct Answer**: Based on the above analysis, the correct term for the condition of the testis in Ascaris is "monarchic."

### Final Answer:
The condition of the testis in Ascaris is called **monarchic**.

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