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प्रश्न
Chemical fertilisers may reach the rivers but do not harm the fish.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
Chemical fertilisers may reach rivers and lead to faster growth of bacteria, which consume a lot of oxygen in water, resulting in the death of fish and other water animals.
संबंधित प्रश्न
Distinguish Degradable pollutants - Non-degradable pollutants
List two major harmful effects of the following:
Pesticides such as DDT used in agriculture.
Explain the Term: Bio-fertilizer
Explain the Term: Manure
What acts as a storage reservoir for water and other plant nutrients.
A symbiotic bacteria.
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 ______.
Write short notes on soil pollution by:
Biomedical waste.
