Zoology - Microbes in Human Welfare Question with Solution | TestHub

ZoologyMicrobes in Human WelfareBiocontrol AgentsEasy2 minPYQ_2020
ZoologyEasysingle choice

Babanrao is an organic farmer growing ladyfingers in his field. What are the precautions he will take to control pests in his field?

I. Use of ladybird and dragonflies to control butterfly caterpillars.

II. Use of Nucleopolyhedrovirus to control arthropods.

III. Use ofBacillus thuringiensisto control butterfly caterpillars.

IV. Use ofTrichodermato control arthropods.

Options:

Answer:
B
Solution:

Ladybirds and dragonflies are used to control the mosquito and aphid population.

Nucleopolyhedrovirus is used to control arthropods and insects as they attack specifically, and have narrow spectrum insecticidal applications.

Bacillus thuringiensis is used to control butterfly caterpillars.

Trichoderma is a fungus used in treatment of plant diseases.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Microbes in Human WelfareSubtopic:Biocontrol Agents
⏱ 2mℹ️ Source: PYQ_2020

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