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प्रश्न
Define the following term:
Pesticides
परिभाषा
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उत्तर
Pesticides such as DDT (dichloro-diphenyl-trichloroethane) are used in agriculture to destroy pests, alter the basic structure of the soil, kill microorganisms in it, and may even reach the human body through food grown in such soils.
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अध्याय 16: Pollution: A Rising Environmental Problem - Review Questions [पृष्ठ २३०]
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संबंधित प्रश्न
What is the effect of pollution on soil?
Explain the Term: Manure
Name one non-degradable pollutant.
A bio-fertilizer.
A free living bacteria which helps in nitrogen fixation.
A symbiotic bacteria.
Give Technical Terms:
Bacteria breaking down dead organisms to liberate nitrogen.
Write short notes on soil pollution by:
Biomedical waste.
Flyash and metallic ash are examples of urban domestic waste.
Write the full form of DDT.
