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प्रश्न
Cultivation of Bt cotton has been much in the news. The prefix Bt means ______.
पर्याय
barium-treated cotton seeds
bigger thread variety of cotton
produced by biotechnology
carrying an endotoxin gene from Bacillus thuringiensis
MCQ
रिकाम्या जागा भरा
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उत्तर
Cultivation of Bt cotton has been much in the news. The prefix Bt means carrying an endotoxin gene from Bacillus thuringiensis.
Explanation:
Bt cotton carries a gene for an insecticidal protein from the bacterium Bacillus thuringiensis, which protects it from bollworms. The prefix Bt does not refer to barium, thread size or biotechnology as a process.
shaalaa.com
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