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26/09/2020 4:19 pm
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Cultivation of Bt cotton has been much in the news. The prefix Bt means
(a) barium-treated cotton seeds
(b) bigger thread variety of cotton with better tensile strength
(c) produced by biotechnology using restriction enzymes and ligases
(d) carrying an endotoxin gene from Bacillus thuringiensis
1 Answer
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26/09/2020 4:20 pm
(d) carrying an endotoxin gene from Bacillus thuringiensis
Explanation:
Bacillus thuringiensis, or Bt, is a bacterium that occurs naturally in the soil, produces a protein that is toxic to certain insect pests, and is widely used as a pest control agent. It is also extremely host-specific.