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प्रश्न
What are natural reasons for water pollution?
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उत्तर
The natural reasons of water pollution are:
- Presence of aquatic weeds which depletes the oxygen content of water bodies.
- Excessive algal growth.
- Mud and sludge which are added to water bodies due to river currents and their diversions.
- Growth of microbes like bacteria and fungi on dead and decaying matter present in water bodies.
संबंधित प्रश्न
A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.
Sewage is a liquid waste from ______.
Agricultural water pollution and Shipping water pollution.
Fill in the Blanks:
The release of hot water into rivers causes ______.
Which of the following is a water pollutant?
______ of the world population does not get safe drinking water.
Which of the following is not a way to conserve water?
Study the picture given below and answer the question:
How does water get polluted?
Liquid kitchen waste alone constitutes the sewage.
Industrial wastes mainly consist of chemical pollutants.
