- Which of the following rivers is called the world’s most polluted river?
- Which of the following are the primary causes of water pollution?
- Which of the following techniques is used for reducing the total dissolved solids (TDS) in the water?
- Which of the following statements are true about CNG -Compressed natural gas?
- Which of the following salts is the main cause of permanent hardness of water?
- Which of the following is mainly responsible for the causes of water pollution?
- Chlorofluorocarbon are nonflammable chemicals mainly used in _________.
- Which of the following techniques is used to determine the concentration of odour compounds in the given water sample?
- What is the health effects of excess fluoride in drinking water?
- Which of the following techniques is used to remove fluorides from the water bodies?
- Which of the following is a waterborne disease?
- The main sources of Arsenic in water are ________.
- In most freshwater lakes, the algal productivity is limited by the availability of which of the following inorganic ions?
- Which of the following diseases or infections is caused due to poor water hygiene?
- Which of the following statements is true about the composition of Calcium Carbonate (CaCo3) in soft water?
- Which of the following salts are the main causes of temporary hardness?
- According to the Geological survey, water with less than 1000 ml/litre of total dissolved solids is __________.
- The amount of dissolved solids passing through the filters in the process of filtration is called __________.
- Which of the following units is used for measuring the turbidity of water?
- Which of the following is not a waterborne disease?
(a) Ganga River
(b) Chenab River
(c) Cauvery River
(d) Yamuna River
Sol: (a) Ganga River.
(a) Plants
(b) Animals
(c) Human activities
(d) None of these
Sol: (c) Human activities.
(a) Osmosis
(b) Ion exchange
(c) Distillation
(d) Both b and c
Sol: (d) Both b and c.
(a) It is a clean fuel
(b) It is a harmful fuel
(c) It is a polluting fuel
(d) All of the above
Sol: (a) It is a clean fuel.
(a) Magnesium sulphate
(b) Magnesium bicarbonate
(c) Magnesium carbonate
(d) None of the above
Sol: (a) Magnesium sulphate.
(a) Afforestation
(b) Oil refineries
(c) Paper factories
(d) Both b and c
Sol: (d) Both b and c.
(a) Perfumes
(b) Refrigerators
(c) Air conditioners
(d) All of the above
Sol:(d) All of the above.
(a) Settling
(b) Flushing
(c) Stripping
(d) Chlorination
Sol: (c) Stripping.
(a) Fluorosis
(b) Toothaches
(c) Lung disease
(d) Intestinal infection
Sol: (a) Fluorosis.
(a) Osmosis
(b) Ion exchange
(c) Lime softening
(d) Both b and c
Sol: (d) Both b and c.
(a) Typhoid
(b) Cholera
(c) Diarrhoea
(d) All of the above
Sol: (d) All of the above
(a) Floods
(b) Fertilizers
(c) Industrial waste
(d) Both b and c
Sol: (d) Both b and c.
(a) Carbon
(b) Nitrogen
(c) Phosphorus
(d) All of the above
Sol: (c) Phosphorus.
(a) Leprosy
(b) Trachoma
(c) Conjunctivitis
(d) All of the above
Sol: (d) All of the above.
(a) 0 to 30 milligrams of CaCO3 per litre
(b) 30 to 60 milligrams of CaCO3 per litre
(c) 60 to 90 milligrams of CaCO3 per litre
(d) 90 to 120 milligrams of CaCO3 per litre
Sol: (b) 30 to 60 milligrams of CaCO3 per litre.
(a) Calcium sulphate
(b) Magnesium sulphate
(c) Magnesium chloride
(d) Magnesium carbonate
Sol: (d) Magnesium carbonate.
(a) Brine water
(b) Freshwater
(c) Slightly saline
(d) Moderately saline
Sol: (b) Freshwater
(a) Independent of suspended solids
(b) Sum of total solids and suspended solids
(c) Difference between total solids and suspended solids
(d) All of the above
Sol: (c) Difference between total solids and suspended solids.
(a) EAU Formazin Attenuation Units
(b) FNU- Formazin Nephelometric Unit
(c) NTU – Nephelometric Turbidity Units
(d) All of the above
Sol: (d) All of the above.
(a) Measles
(b) Typhoid
(c) Cholera
(d) Hepatitis
Sol: (a) Measles.
Also Refer: MCQs on Air Pollution
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