Water Pollution
Water Pollution: Overview
This topic covers concepts, such as Water Pollution, Common Water Pollutants, Oxygen Demanding Wastes, Pathogens as Water Pollutants, Biochemical Oxygen Demand, Disease Causing Water Pollutants, Synthetic Organic Compounds, Eutrophication, etc.
Important Questions on Water Pollution
Addition of phosphate containing fertilizers in water bodies causes
(i) enhanced growth of algae
(ii) increase in amount of dissolved oxygen
(iii) deposition of calcium phosphate
(iv) decrease in fish population
Which among the given values is an acceptable amount of iron in drinking water?
What is the maximum concentration of iron in drinking water?
What is normal level of aluminium in drinking water.
The maximum prescribed concentration of _____ in drinking water is .
The maximum prescribed concentration of cadmium in drinking water is
Which of the following conditions shows a polluted environment?
Eutrophication causes reduction in
When a huge amount of sewage is dumped in a river, the
Which of the following statements is incorrect?
Which of the following is correct international standards for drinking water?
The permissible limit of Molybdenum in drinking water is specified by WHO as
The permissible limit of Arsenic in drinking water as specified by WHO is
Match the pollutant in a column with its effects in the column .
| Column- | Column- | ||
| Phosphate fertilizers in water | and | ||
| sink for | Red haze in traffic | ||
| Nitrogen dioxide | BOD level of water increases | ||
| Synthetic detergents in water | Eutrophication | ||
What is the size of dissolved oil droplets?
What best describes a synthetic organic chemical?
Maximum Prescribed Concentration of Manganese in Drinking Water is
