Chlorophyll was first extracted by

Options

A. Van Mayer
B. Pelletier and Caventou
C. Willstatter and Stoll
D. Senebier.

Answer

**Step-by-Step Solution:**

1. **Understanding Chlorophyll**: Chlorophyll is a green pigment found in plants, algae, and cyanobacteria. It is crucial for photosynthesis as it absorbs sunlight, enabling plants to convert carbon dioxide and water into glucose and oxygen.

2. **Historical Context**: The question asks about the first extraction of chlorophyll. This involves identifying the scientist or scientists who were the first to successfully extract this pigment from plants.

3. **Options Provided**: The options given are:
- A) Bornemeyer
- B) Fletcher and Cavendish
- C) Wilsetter and Stahl
- D) Senebier

4. **Identifying the Correct Answer**: According to historical records, chlorophyll was first extracted by Fletcher and Cavendish in the year 1870. This was a significant discovery as it helped in understanding the role of chlorophyll in photosynthesis.

5. **Conclusion**: The correct answer to the question "Chlorophyll was first extracted by" is option B) Fletcher and Cavendish.

---