Question

{Bacillus thuringiensis is a soil bacterium that produces a ______} with insecticidal properties.

• A. polysaccharide
• B. hormone
• C. protein
• D. lipid

Hint:

Bt cotton is developed using genes coding for Cry protein.

Answer 1

The Correct Option is C

Step 1: Understanding Bt toxin.
{Bacillus thuringiensis} produces crystalline (Cry) toxins that are toxic to insect larvae.
Step 2: Nature of toxin.
The Bt toxin is proteinaceous in nature and disrupts the gut lining of insects.
Step 3: Conclusion.
Therefore, the correct answer is (C) protein.