Bt cotton is Genetically Modified (GM) cotton which has an incorporated gene extracted from the bacterium Bacillus thuringiensis. This gene codes for Bt toxin in plant tissues which is harmful only to a small fraction of insects, most notably the larvae of lepidopterans, moths, butterflies, beetles, flies, etc and harmless to other forms of life. So, it is used as biological control of pests/diseases.
Which one of the following is an example of carrying out blological control of pests/diseases using microbes?
NEET UG 2012 — Zoology Biotechnology and Its Applications
2012mcqmedium
Which one of the following is an example of carrying out blological control of pests/diseases using microbes?
Official previous-year question
Held on 30 Apr 2012 · Verified 9 Jul 2026.
Options
- A
Trichoderma sp. against certain plant pathogens
- B
Nucleopolyhedrovirus against white rust in Brassica
- C
Bt-cotton to increase cotton yield
- D
Lady bird beetle against aphids in mustard
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