Tetradynamous condition is seen in --

Options

A. Brinjal
B. Mustard
C. Datura
D. China rose

Answer

### Step-by-Step Solution:

1. **Understanding Tetradynamous Condition**:
- The tetradynamous condition refers to a specific arrangement of stamens in flowering plants where there are six stamens in total, with four of them being longer and two shorter.

2. **Identifying the Arrangement**:
- In this condition, the stamens are arranged in two whorls:
- The outer whorl consists of two shorter stamens.
- The inner whorl consists of four longer stamens.

3. **Examples of Plants with Tetradynamous Condition**:
- This arrangement is characteristic of certain plants, particularly those in the Brassicaceae family.

4. **Specific Plant Example**:
- One of the most common examples of a plant exhibiting the tetradynamous condition is mustard (Brassica species).

5. **Conclusion**:
- Therefore, the tetradynamous condition is seen in mustard, which belongs to the Brassicaceae family.

### Final Answer:
The tetradynamous condition is seen in **mustard**.

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