Standing crops face threat from pests and insects. This is dealt with pesticides and insecticides, which are different types of chemicals. What is the major drawback of this method?

These chemicals reduce the crop yield.

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It can cause pollution.

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The chemical is poisonous and can harm the health of the crop and the consumers.

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All of these.

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Solution

The correct option is D
All of these.

Insecticides and pesticides are poisonous chemicals that damage the plants and the consumers. It also pollutes the soil in where it has been used. Since most of these chemical are not bio degradable, they stay in the soil and pollute for a very long time.

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Standing crops face threat from pests and insects. This is dealt with pesticides and insecticides, which are different types of chemicals. What is the major drawback of this method?

The correct option is D All of these. Insecticides and pesticides are poisonous chemicals that damage the plants and the consumers. It also pollutes the soil in where it has been used. Since most of these chemical are not bio degradable, they stay in the soil and pollute for a very long time.

The correct option is D
All of these.

Insecticides and pesticides are poisonous chemicals that damage the plants and the consumers. It also pollutes the soil in where it has been used. Since most of these chemical are not bio degradable, they stay in the soil and pollute for a very long time.