Plant having nitrogen fixing bacteria is

Options

A. Cotton
B. Wheat
C. Gram
D. Mustard

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks for a plant that has nitrogen-fixing bacteria associated with it. Nitrogen-fixing bacteria are essential for converting atmospheric nitrogen into a form that plants can use.

2. **Identify the Types of Plants**: Nitrogen-fixing bacteria are primarily found in leguminous plants. These plants have a symbiotic relationship with bacteria from the genus Rhizobium, which reside in root nodules.

3. **List the Given Options**: The options provided are:
- A. Cotton
- B. Wheat
- C. Mustard
- D. Peas (leguminous plant)

4. **Analyze Each Option**:
- **Cotton**: Belongs to the Malvaceae family. It does not have nitrogen-fixing bacteria.
- **Wheat**: Belongs to the Poaceae family. It does not have nitrogen-fixing bacteria.
- **Mustard**: Belongs to the Brassicaceae family. It does not have nitrogen-fixing bacteria.
- **Peas**: Belongs to the Fabaceae family (leguminous). It does have nitrogen-fixing bacteria.

5. **Select the Correct Answer**: The only plant among the options that has nitrogen-fixing bacteria is **Peas**.

6. **Conclusion**: Therefore, the answer to the question is **Peas**.

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