1
Question
Eutrophication is a type of
Eutrophication is a type of
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Solution
The correct option is D Water pollution
Land pollution
Land pollution is the degradation of land by different solid and liquid waste depositing on land.
Air pollution
Air pollution is the contamination of air with different pollutants like CFCs etc. leading to deterioration in air quality.
Water pollution
Water pollution occurs by contamination of water by different harmful agents like chemicals, nutrients, and other microorganisms which reduces the water quality and makes water unfit for organism consumption.
Eutrophication
Accelerated eutrophication is a type of eutrophication which is characterised by enrichment of water bodies with nutrients like nitrates and phosphates (due to influx of untreated sewage or effluent). This causes excessive growth of algae and phytoplankton. These organisms consume the dissolved oxygen (DO) for the purpose of photosynthesis, thus lowering the DO of the water. Thus the amount of oxygen for aquatic animals is reduced. Therefore, eutrophication leads to killing of water bodies and in turn making the water unfit for consumption. Hence, it can be concluded that eutrophication causes water pollution.
Noise pollution
Noise is a loud and unpleasant sound. An increase in noise in the atmosphere results in creating noise pollution.
Final answer
(C) Water pollution
Land pollution
Land pollution is the degradation of land by different solid and liquid waste depositing on land.
Air pollution
Air pollution is the contamination of air with different pollutants like CFCs etc. leading to deterioration in air quality.
Water pollution
Water pollution occurs by contamination of water by different harmful agents like chemicals, nutrients, and other microorganisms which reduces the water quality and makes water unfit for organism consumption.
Eutrophication
Accelerated eutrophication is a type of eutrophication which is characterised by enrichment of water bodies with nutrients like nitrates and phosphates (due to influx of untreated sewage or effluent). This causes excessive growth of algae and phytoplankton. These organisms consume the dissolved oxygen (DO) for the purpose of photosynthesis, thus lowering the DO of the water. Thus the amount of oxygen for aquatic animals is reduced. Therefore, eutrophication leads to killing of water bodies and in turn making the water unfit for consumption. Hence, it can be concluded that eutrophication causes water pollution.
Noise pollution
Noise is a loud and unpleasant sound. An increase in noise in the atmosphere results in creating noise pollution.
Final answer
(C) Water pollution
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