Which are hermaphrodite ?

Options

A. Earthworm, Hydra and Leech
B. Cockroach, Ascaris and Hydra
C. Earthworm, Ascaris and Leech
D. Ascaris, Cockroach and Hydra

Answer

### Step-by-Step Solution:

1. **Understanding Hermaphroditism**:
- Hermaphrodites are organisms that possess both male and female reproductive organs. This means they can produce both sperm and eggs.

2. **Identifying Examples**:
- We need to identify which of the given options contain organisms that are hermaphrodites. The common examples of hermaphroditic organisms include:
- **Earthworm**: Known to have both male and female reproductive organs.
- **Hydra**: A cnidarian that also possesses both reproductive organs.
- **Leech**: Another organism that is classified as hermaphroditic.

3. **Evaluating the Options**:
- **Option A**: Earthworm, Hydra, and Leech - All three are hermaphrodites.
- **Option B**: Cockroach, Ascaris, and Hydra - Cockroach and Ascaris are not hermaphrodites, while Hydra is.
- **Option C**: Earthworm, Ascaris, and Leech - Ascaris is not hermaphroditic.
- **Option D**: Ascaris, Cockroach, and Hydra - Ascaris and Cockroach are not hermaphrodites, while Hydra is.

4. **Conclusion**:
- The only option where all listed organisms are hermaphrodites is **Option A**: Earthworm, Hydra, and Leech.

### Final Answer:
The correct answer is **Option A: Earthworm, Hydra, and Leech**.

---