NEET Previous Year Question
Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis is resistant to
Topic: NEET PYQ
Answer: D. Full step-by-step solution below.
- AFungal diseases.
- BPlant nematodes
- CInsect predators
- DInsect pests
Correct answer: D
Solution
(d) B. thuringiensis forms protein crystals which contain a toxic insecticidal protein. The toxin is coded by a gene named cry. The proteins encoded by the genes cryIAc and cryIIAb control the cotton bollworms, that of cryIAb controls corn borer.More Biotechnology & its Applications PYQs
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