Bt toxin is produced by a bacterium called Bacillus thuringiensis. Bt toxin gene has been cloned from the bacteria and been expressed in plants to provide resistance to insects without the need for insecticides (bio-pesticide). Examples are Bt cotton, Bt corn, rice, tomato, potato and soyabean etc.
The crops engineered with Bt-toxin are resistant/tolerant to:
NEET UG 2015 — Zoology Biotechnology and Its Applications
2015mcqeasy
The crops engineered with Bt-toxin are resistant/tolerant to:
Official previous-year question
Held on 30 Apr 2015 · Verified 9 Jul 2026.
Options
- A
Fungi
- B
Bacteria
- C
Insects
- D
Herbicides
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