F.C. Steward is associated with

Options

A. Molecular biology
B. Genetics
C. Tissue culture
D. Immunology.

Answer

**Step-by-Step Solution:**

1. **Identify the Scientist**: The question asks about F.C. Steward and his association with a specific field in biology.

2. **Review Options**: The options provided are:
- A. Molecular Biology
- B. Genetics
- C. Tissue Culture
- D. Immunology

3. **Recall Contributions**: F.C. Steward is known for his significant contributions to plant biology, particularly in the area of tissue culture.

4. **Highlight Key Achievements**:
- He was instrumental in developing tissue culture techniques.
- He, along with Kaplan, was among the first to use coconut water as a nutrient medium for plant growth, which later became a substitute for the hormone cytokinin.
- He contributed to the process of somatic embryogenesis, where he transformed carrot cell suspensions into complete plants.

5. **Conclude the Answer**: Based on his contributions, F.C. Steward is primarily associated with tissue culture.

6. **Select the Correct Option**: Therefore, the correct answer is option C: Tissue Culture.

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