Pouch is seen in

Options

A. Platypus
B. Bat
C. Lemur
D. Marsupial

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the presence of a pouch in certain mammals. We need to identify which of the given options contains mammals that have a pouch.

2. **Analyzing the Options**:
- **Platypus**: This is a monotreme, which means it lays eggs instead of giving birth to live young. Therefore, it does not have a pouch.
- **Bat**: Bats are eutherian mammals, which give birth to fully developed young and do not have a pouch.
- **Lemur**: Lemurs are also eutherian mammals and do not possess a pouch for carrying young.
- **Marsupials**: Marsupials are characterized by having a pouch where they carry and nurse their underdeveloped young after birth.

3. **Identifying the Correct Answer**: Since marsupials are known for having pouches, the correct answer to the question is "marsupials."

4. **Conclusion**: The pouch is seen in marsupials, which are a group of mammals that give birth to underdeveloped young that continue to develop in the pouch.

**Final Answer**: The pouch is seen in marsupials.

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