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प्रश्न
What is biomagnifications? What can be its effects on human beings?
उत्तर
An important process by which chemicals can affect living organisms is bio-magnification. Many pesticides, such as DDT, aldrin and dihedron have a long lifetime in the environment. They get incorporated into the food chain and ultimately reach all the tissues of plants and animals. They get modified into higher trophic levels. Bio-accumulation or biological magnification can also be seen in the case of heavy metals like lead, mercury, cadmium, etc.
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