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Question

The protein products of the following Bt toxin genes cry I Ac and cry II Ab are responsible for controlling

A
Bollworm
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B
Roundworm
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C
Moth
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D
Fruit fly
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Solution

The correct option is C Bollworm
Bt toxin genes are formed during sporulation in some Bacillus thuringiensis strains. Bt produces proteins that aggregate to form a crystal which is toxic to insects like bollworm, yet harmless to humans and the natural enemies of many crop pests.

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