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Biology · PYQ NEET UG 2020

हिन्दी

Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to:

  1. Fungal diseases
  2. Plant nematodes
  3. Insect predators
  4. Insect pests

Correct answer · Option 4

Insect pests

Explanation

Bt cotton expresses crystal proteins from Bacillus thuringiensis which act as bio-pesticides against specific insect pests like lepidopterans.
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