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Question

Why is DDT banned?



A

it remains undegraded in the environment

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B

it passes from plants to humans when consumed

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C

it kills microorganisms that recycle nutrients in the soil

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D

it increases the growth of weeds in the farms 

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Solution

The correct options are
A

it remains undegraded in the environment


B

it passes from plants to humans when consumed


C

it kills microorganisms that recycle nutrients in the soil


Several pesticides such as DDT were used to kill pests in agricultural farms, godowns, and even houses. DDT is non-biodegradable and acts as a pollutant harming organisms. DDT that is sprayed in the fields is absorbed by the crop plants and passes on to the humans when they consume it. They are very harmful to all organisms and hence the use of DDT is banned. 


Biology

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