The bacterium bacilllus thuringiensis is widely used in contemporary biology as

Options

A. Source of industrial enzyme
B. Indicator of water pollution
C. Insecticide
D. Agent for production of dairy products

Answer

C

Explanation

Some strains of the bacterium Bacillus thuriengiensis produce proteins called Bt toxin which kill the larvae of some insects. Hence bacillus thuriengiensis is used as insecticide in contemporary biology.