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Which of the following is /are correctly matched about biocontrol agents-
1) lady bird  -  mosquitoes
2) dragonflies  -  Aphids
3) baccilus thuringiensis -  butterfly
How many statements are correct-
  • a)
    both 1 and 2
  • b)
    only 2
  • c)
     1,2 and 3
  • d)
    only 1 and 3
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following is /are correctly matched about biocontrol agen...
Biocontrol Agents

Biocontrol agents are living organisms used to control pests or diseases. They provide an eco-friendly, sustainable and cost-effective approach to reduce the use of synthetic pesticides. Some commonly used biocontrol agents include:

1) Ladybird - Aphids
Ladybirds are voracious predators of aphids. They feed on aphids and help in controlling their population.

2) Dragonflies - Mosquitoes
Dragonflies are aerial predators that feed on mosquitoes. They are effective in controlling mosquito populations.

3) Bacillus Thuringiensis - Butterfly
Bacillus thuringiensis (Bt) is a soil bacterium that produces a toxin that is harmful to certain insects such as butterfly larvae. It is used as a biocontrol agent to control butterfly populations.

Correctly Matched Statements:

1) Ladybird - Mosquitoes - Incorrect
Ladybirds are not effective in controlling mosquito populations.

2) Dragonflies - Aphids - Correct
Dragonflies are effective in controlling aphid populations.

3) Bacillus Thuringiensis - Butterfly - Correct
Bacillus thuringiensis is used as a biocontrol agent to control butterfly populations.

Therefore, the correct answer is option 'c' - 1, 2 and 3.
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Which of the following is /are correctly matched about biocontrol agents-1) lady bird-mosquitoes2) dragonflies - Aphids3) baccilus thuringiensis- butterflyHow many statements are correct-a)both 1 and 2b)only 2c)1,2 and 3d)only 1 and 3Correct answer is option 'C'. Can you explain this answer?
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