Crescograph was prepared by

Options

A. Bose
B. Pfeffer
C. Ganong
D. Dixon.

Answer

To answer the question "Crescograph was prepared by," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Instrument**: The Crescograph is an instrument used to measure the growth of plants. It provides a way to quantitatively assess how plants grow over time.

2. **Identify the Inventor**: The Crescograph was developed by an Indian botanist named Jagadish Chandra Bose. He was a pioneer in the field of plant physiology and made significant contributions to the understanding of plant growth.

3. **Review the Options**: The question provides several options: Bose, Pfeffer, Ganong, and Dixon. We need to determine which of these individuals is associated with the creation of the Crescograph.

4. **Select the Correct Answer**: Based on the information gathered, the correct answer is Jagadish Chandra Bose.

5. **Conclusion**: Therefore, the Crescograph was prepared by Bose.

### Final Answer:
The Crescograph was prepared by Jagadish Chandra Bose.

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