Considering biocontrol agents in agriculture, which of the following pairs is correctly matched with its target pest?
A: Bacillus thuringiensis - Nematodes
B: Trichoderma - Root fungi
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic:  Microbes in Biocontrol Agent |
 52%
From NCERT
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How many of the given pairs are correctly matched?
I: Lady birds: Aphids
II: Dragon fly: Mosquito
III: Trichoderma: Fungicide
1. 0
2. 1
3. 2
4. 3
 
Subtopic:  Microbes in Biocontrol Agent |
 52%
From NCERT
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Consider the given two statements:
Statement I: Biocontrol methods are highly effective at eradicating all pests from agricultural fields, thus eliminating the need for chemical pesticides.
Statement II: Biocontrol methods promote biodiversity by allowing beneficial organisms to thrive while controlling harmful pests.
 
1. Statement I is correct; Statement II is correct.
2. Statement I is correct; Statement II is incorrect.
3. Statement I is incorrect; Statement II is correct.
4. Statement I is incorrect; Statement II is incorrect.
Subtopic:  Microbes in Biocontrol Agent |
From NCERT
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Given below are two statements: 
Statement I: Bacterial infection by Bacillus thuringiensis can kill only caterpillar larvae.
Statement II: B. thuringiensis cannot kill adult moths.
In light of the above statements, choose the most appropriate answer from the options given below: 
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct.
Subtopic:  Microbes in Biocontrol Agent |
 57%
From NCERT
NEET - 2024

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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. Ladybird beetle against aphids in mustard

Subtopic:  Microbes in Biocontrol Agent |
 53%
From NCERT
AIPMT - 2012
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital

Baculoviruses can play an important role in overall Integrated Pest Management in an ecologically sensitive area because:

1. They are effective against a large number of insects
2. Their use can help in the conservation of beneficial insects
3. They do not have any adverse effects on human health
4. They are cost-effective and can be easily applied as sprays by the farmer

Subtopic:  Microbes in Biocontrol Agent |
 61%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital

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