Water Pollution
Organic matter, which can be decomposed by bacteria is known as
Biodegradable organic matter
Degradation
Eutrophication
Decomposers
Biodegradable organic matter
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What affects velocity and surface expansion of river?A. Dissolved Oxygen
B. Turbidity
C. Currents
D. Hydrography
Chlorophenols are toxic to bacteria and
A. Fish
B. Birds
C. Tigers
D. Insects
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
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