Which if the following is not applicable for Bt - cotton ?

Options

A. It is a GM plant .
B. It shows insect resistance
C. It has a bacterial gene expressing in its system.
D. It is resistant to all pesticides .

Answer

To solve the question "Which of the following is not applicable for Bt-cotton?" we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Understanding Bt-Cotton**:
- Bt-cotton is a genetically modified organism (GMO) that has been engineered to express a gene from the bacterium *Bacillus thuringiensis* (Bt). This gene allows the plant to produce a toxin that is harmful to certain pests.

2. **Analyzing Each Option**:
- **Option A: It is a GM plant.**
- This statement is true. Bt-cotton is indeed a genetically modified plant because it has been altered to include the Bt gene.
- **Option B: It shows insect resistance.**
- This statement is also true. Bt-cotton is designed to be resistant to specific insect pests, particularly the cotton bollworm, due to the production of Bt toxin.
- **Option C: It has bacterial gene expressing in its system.**
- This statement is true as well. The Bt gene from *Bacillus thuringiensis* is expressed in the cotton plant, allowing it to produce the Bt toxin.
- **Option D: It is resistant to all pesticides.**
- This statement is false. Bt-cotton is not resistant to all pesticides; it is specifically designed to be resistant to certain pests, but it does not provide resistance to all types of pesticides.

3. **Conclusion**:
- The option that is not applicable for Bt-cotton is **D: It is resistant to all pesticides**.

### Final Answer:
**D. It is resistant to all pesticides.**

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