A) cotton bollworms and corn borer respectively
B) corn borer and tobacco budworms respectively
C) Tobacco bud worms and nematodes respectively
D) nematodes and tobacco budworms respectively
Correct Answer: A
Solution :
Bt toxin is coded by gene named cry gene. There are Number of them, e.g., the protein encoded by the gene Cry I Ac and Cry II Ab control the cotton bollworms and Cry I Ab control corn borer.
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