The proteins encoded by Cry I Ac and Cry II Ab genes control.
A
Boll worms
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B
Pin worms
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C
Book worms
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D
Nematodes
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Solution
The correct option is A Boll worms Bt toxin
is encoded by a class of genes called the cry genes. A variety of cry genes is
present and they act against different organisms. For example, Cry I Ac and Cry
II Ab genes act against cotton bollworms.