Cultivation of Bt cottan has been much in the news. The pre…

Biology Biotechnology and Its Application NCERT Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Cultivation of Bt cottan has been much in the news. The prefix 'Bt' means-

Barium treated cotton seeds

Bigger thread variety

Produced by biotechrology using restriction enzymes and ligases

Caruying on endotoxin gene from bacillus thuringiensis

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The correct answer is:

“Bt” in Bt cotton refers to the gene from the bacterium Bacillus thuringiensis, which produces insecticidal proteins (Bt toxin) effective against certain insect pests.

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