Indian mycologist famous for his work on wheat rust was

Options

A. V.Puri
B. K.C. mehta
C. P.Maheshwari
D. B.B Sahni

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the name of an Indian mycologist who is renowned for his research on wheat rust disease.

2. **Identifying Wheat Rust**: Wheat rust is a fungal disease caused by the genus *Puccinia*. This disease affects wheat crops and can significantly impact agricultural yield.

3. **Reviewing the Options**: The options provided are:
- A) V. Puri
- B) K.C. Mehta
- C) P. Maheshwari
- D) B.B. Sahni

4. **Analyzing Each Option**:
- **V. Puri**: Known for his contributions to plant reproductive biology, not specifically wheat rust.
- **K.C. Mehta**: Recognized for his extensive research on wheat rust, particularly his findings about the survival of *Puccinia* spores in different climates.
- **P. Maheshwari**: A plant embryologist known for his work in plant tissue culture, not related to wheat rust.
- **B.B. Sahni**: A paleobotanist who studied fossil plants, not associated with wheat rust research.

5. **Conclusion**: Based on the analysis, K.C. Mehta is the mycologist who is famous for his work on wheat rust. Therefore, the correct answer is option B) K.C. Mehta.

### Final Answer:
The Indian mycologist famous for his work on wheat rust is **K.C. Mehta**.

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