Who gave the idea that every plant cell is totipotent

Options

A. P.R white
B. E .C cockaing
C. F.C steward
D. G haberlandt

Answer

**Step-by-Step Solution:**

1. **Understanding the Concept of Totipotency:**
- Totipotency refers to the ability of a single cell to develop into a complete organism. This means that from one cell, an entire plant can be regenerated.

2. **Identifying the Key Figure:**
- The question asks who proposed the idea that every plant cell is totipotent.

3. **Reviewing the Options:**
- The options provided are P.R. White, E.C. Cocking, F.C. Stewart, and G. Herbert Lant.

4. **Historical Context:**
- The concept of totipotency was significantly advanced by the German botanist G. Haberlandt in 1902. He proposed that plant cells have the potential to regenerate into a whole organism.

5. **Conclusion:**
- Therefore, the correct answer to the question is G. Herbert Lant, who is actually G. Haberlandt.

**Final Answer:**
- G. Haberlandt (1902) proposed the idea that every plant cell is totipotent.

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