Exams › NEET › Biology

Which one of the following is an example of carrying out biological control of pests/diseases using microbes?

1. Trichoderma sp. against certain plant pathogens
2. Nucleopolyhedrovirus against white rust in Brassica
3. Bt - cotton to increase cotton yield
4. Lady bird beetle against aphids in mustard

Correct answer: Trichoderma sp. against certain plant pathogens

Solution

Trichoderma species are beneficial fungi used as biocontrol agents against several plant pathogens, so this is an example of microbial biological control. The other options involve a virus against the wrong target, a genetically modified crop, or an insect predator.

Related NEET Biology questions

• Which of the following is put into Anaerobic sludge digester for further sewage treatment?
• Match the following organisms with the products they produce: (a) Lactobacillus, (b) Saccharomyces cerevisiae, (c) Aspergillus niger, (d) Acetobacter aceti; Products: (i) Cheese, (ii) Curd, (iii) Citric acid, (iv) Bread, (v) Acetic acid. Select the correct option.
• Which of the following in sewage treatment removes suspended solids?
• Which of the following is a commercial blood cholesterol lowering agent?
• What gases are produced in anaerobic sludge digesters?
• The guts of cow and buffalo possess:

⚔️ Practice NEET Biology free + battle 1v1 →