Q. The bacterium Bacillus thuringiensis is widely used in contemporary biology as:
A) Insecticide
B) Agent for production of dairy products
C) Source of industrial enzyme
D) Indicator of water pollution
Explanation
[Solution from source] Bacillus thuringiensis spores and its Bt toxin genes are used to kill insect larvae such as caterpillars, making it a biological insecticide. Dairy products are made with lactic acid bacteria, not Bt. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.