Question

Cultivation of Bt cotton has been much in the news The prefix Bt means (1)"Barium-treated"cotton seeds (2)"Bigger thread"variety of cotton with better tensile strength (3)Produced by"biotechnology"using restriction enzymes and ligases (4)Carrying an endotoxin gene from Bacillus thuringiensis

Answer 1

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(4)Carrying an endotoxin gene from Bacillus thuringiensis

Answer 2

Answer:

option 4 ... carrying an endotoxin gene from bacillus thuringiensis. The aim is to make the cotton crop resistant to bollworm.