Water Pollution
Chlorophenols are toxic to bacteria and
Fish
Birds
Tigers
Insects
Fish
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What affects velocity and surface expansion of river?A. Dissolved Oxygen
B. Turbidity
C. Currents
D. Hydrography
What causes erosion of concrete degradation?
A. Bacterial corrosion
B. Viral corrosion
C. Biological damage
D. All of above
What is main contamination in water?
A. Human Faeces
B. Metals
C. chemicals
D. Insects
What causes excessive growth of algae and other aquatic plants?
A. Waste matters
B. Organic Nutrients
C. Inorganic Nutrients
D. Solid waste
What is important to support marine animals in water bodies?
A. Dissolved Oxygen
B. Nitrogen
C. CO
D. CO2
Soil, sand and other solids are washed into water bodies due to
A. Soil Erosion
B. Eutrophication
C. Desertification
D. Deforestation
What is most common dissolved gas in water?
A. Oxygen
B. Carbon dioxide
C. Oxygen
D. Nitrogen
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