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प्रश्न
Write short notes on soil pollution by:
Biomedical waste.
उत्तर
Biomedical waste Hospital wastes contain organic materials, chemicals, metal, needles, plastics contaminate the soil and make it unfit for growth of plants etc. Third world countries are facing this problem deeply.
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संबंधित प्रश्न
List two major harmful effects of the following:
Pesticides such as DDT used in agriculture.
Edible oil is not allowed to stand for a long time in an iron or tin container.
The pollution caused due to use of pesticides in agriculture.
A free living bacteria which helps in nitrogen fixation.
Give Technical Terms:
The bioindicator of pollution.
Give Technical Terms:
Bacteria breaking down dead organisms to liberate nitrogen.
Fill in the Blanks:
Chemicals intended to kill insects and other organisms that damage crops called ______.
Chemical fertilisers may reach the rivers but do not harm the fish.
Write the full form of DDT.
How do oil spills affect sea life?
