Question

In case of Bacillus thuringiensis, Bacillus itself is not killed by the toxic protein crystals produced by it because Bt toxin.

• A. protein is not produced in the Bacillus
• B. cannot cause any damage to Bacillus
• C. protein is produced in very less amount in the Bacillus
• D. exists as the inactive toxin

Answer 1

The correct option is D exists as the inactive toxin

Bt toxin is produced by a soil bacterium called Bacillus thuringiensis. This toxin does not kill the bacteria because when it is present in the bacteria, it is an inactive and crystalline form.

So, the correct option is 'exists as the inactive toxin'.