Ncert Exercises & Solutions

Q. 47 Bt cotton is resistant to pest, such as lepidopteran, dipterans and coleopterans. Is Bt cotton also resistant to other pests as well?

Bt cotton is made resistant to certain specific taxa of pests (lepidopteran, dipterans and coleopierans). It is quile likely thal in future, some other pests may infest these Bf-cotton plants. It is similar to immunisation against smallpox which does not provide immunity against other pathogens like those, that causes cholera, typhoid etc.

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