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Microbes in Human Welfare question

2019 · Q44
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Microbes in Human Welfare question

2019 · Q44

NEETBiologyMicrobes in Human WelfareMCQ+4 / −1
Select the correct group of biocontrol agents.
  1. A
    Oscillatoria, Rhizobium, Trichoderma
  2. B
    Nostoc, Azospirillium, Nucleopolyhedrovirus
  3. C
    Bacillus thuringiensis, Tobacco mosaic virus, Aphids
  4. D
    Trichoderma, Baculovirus, Bacillus thuringiensis
View written solutionFree

Correct answer: D

Biocontrol refers to the use of biological methods for controlling plant diseases and pests. Bacillus thuriengiensis (Bt), Trichoderma sps and Baculoviruses are used as biocontrol agents.

Rhizobium, Nostoc, Azospirillum and Oscillatoria are used as biofertilisers, which increases the fertility of soil while Tobacco Mosaic virus is a pathogen that infects wide range of plants and aphids are pest that harms crop plants.

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