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Question

The pollutant which effects more to the organism of higher trophic level is

A
biodegradable sewage
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B
heavy metal salts and non biodegradable phenolic compounds
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C
CO2
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D
SO2
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Solution

The correct option is B heavy metal salts and non biodegradable phenolic compounds
Non- biodegradable compounds such as DDT and mercury accumulate in the tissues of organisms that consume them since they do not break down easily. As a result, when they, in turn, are consumed by secondary organisms their amount magnifies. This is known as biomagnification. Hence, such non-biodegradable compounds affect the organisms of higher trophic level more. So, the correct option is 'heavy metal salts and non-biodegradable phenolic compounds'.

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