Cry IAB controls
(A) Corn borer
(B) Wheat rust
(C) Cotton insects
(D) Maize height insects
Correct Answer is: (A) Corn borer
The Bt toxin is encoded by a gene named cry. The protein encodes by cry IAb control corn borers.
The protein encoded by the genes cry I Ac and cry II Ab control the cotton boll worms.
