Which of these is not a biocontrol agent?

Azotobacter

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Bacillus thuringiensis

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Dragonfly

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Ladybird

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Solution

The correct option is A Azotobacter
Bacillus thuringiensis produces a toxin that kills larvae of various insects. Ladybird controls aphids and dragonfly reduces mosquito population. Azotobacter is a nitrogen-fixing bacterium.

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