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Question

Ladybird is useful to get rid of ___________.


A

Aphids

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B

Mosquitoes

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C

Boll worms

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D

Jassids

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Solution

The correct option is A

Aphids


The correct option is A.

Explanation of the correct option:

  1. The larval form of ladybirds feeds on mites and aphids.
  2. Aphids are insects that suck sap and are considered to be the primary food that the larva of ladybird consumes.
  3. Ladybirds do not harm humans but they are poisonous to several animals.

Explanation of the incorrect options:

Option B:

To get rid of the larva of mosquitoes, a fish called Gambusia is introduced into the ponds.

Option C:

Boll worms are pests that harm the cotton plants. They can be killed by using baculoviruses.

Option D:

Jassids are also called leafhoppers which can be killed by applying pesticides and insecticides.

Final answer: Ladybirds are useful to get rid of aphids.


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