Multiple choice

Bt-cotton genes to repell:

  1. Bacterial pathogens

  2. Fungal pathogens

  3. Insect pests

  4. Nematode parasites
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bt-cotton is genetically modified to express genes from Bacillus thuringiensis (Bt) that produce crystal proteins toxic to specific insect pests, particularly bollworms. It does not target bacteria, fungi, or nematodes. The Bt toxin specifically affects Lepidopteran larvae.

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