Mouth in male and female Ascaris is

Options

A. Terminal
B. Ventral
C. Triradiate
D. Both (1) & (3)

Answer

To answer the question about the mouth in male and female Ascaris, we can follow these steps:

### Step-by-Step Solution:

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

2. **Location of the Mouth**: Understand that the mouth of Ascaris is located at the anterior end of the body, which is referred to as terminal.

3. **Mouth Structure**: Note that the mouth is described as triradiate, meaning it has three rays or parts.

4. **Lips or Labia**: Identify that the mouth is guarded by three lips (or labia): one dorsal lip and two ventral lips. This structure is significant in defining the mouth's morphology.

5. **Evaluate Options**: Based on the information, evaluate the options provided in the question. Confirm that:
- The mouth is terminal (correct).
- The mouth is triradiate (correct).
- The mouth is not ventral (incorrect).

6. **Conclusion**: Since both statements about the mouth being terminal and triradiate are correct, the correct answer is that both options 1 and 3 are correct, leading to the conclusion that option 4 is the right choice.