Bt toxin is produced by a bacterium called

Options

A. Actinomyces
B. Streptomyces
C. Bacillus thuringiensis
D. All of the these

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the bacterium that produces Bt toxin.

2. **Identifying the Toxin**: Bt toxin is a type of insecticidal protein that is effective against various pests. It is derived from specific bacteria.

3. **Recognizing the Bacterium**: The bacterium known for producing Bt toxin is Bacillus thuringiensis. This bacterium contains genes that encode for the production of the toxin.

4. **Eliminating Incorrect Options**: The question also mentions other names such as Aptinomyces and Streptomyces. These are not correct because they do not produce Bt toxin.

5. **Final Answer**: Therefore, the correct answer to the question is Bacillus thuringiensis.

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