Environment Pollution GK Questions and Answers | Environment Pollution MCQs

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

1. Which of the following statements is/are correct regarding Bioremediation?
  1. It is the use of plants to remove contaminants from soil and water.
  2. It is the use of microorganisms to degrade the environmental contaminants into less toxic forms.
  3. It is a technique in which plants reduce the mobility and migration of contaminated soil.
  4. More than one of the above

Answer: It is the use of microorganisms to degrade the environmental contaminants into less toxic forms.

2. In mega cities of India, the dominant source of air pollution is
  1. transport sector
  2. thermal power
  3. municipal waste
  4. More than one of the above

Answer: transport sector

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3. Which one of the following diseases is caused by water pollution?
  1. Conjunctivitis
  2. Respiratory infections
  3. Diarrhoea
  4. Bronchitis

Answer: Diarrhoea

4. Who was the first scientist to coin the term SMOG and to describe the layers of SMOG?
  1. Nikola Tesla
  2. Stephen Hawking
  3. Dr Henry Antoine
  4. Nicolaus Copernicus

Answer: Dr Henry Antoine

5. Which of the following particles is called the particulate pollutants?
  1. Ozone
  2. Radon
  3. Fly Ash
  4. Ethylene

Answer: Fly Ash

6. What type of precautions should be taken to survive when the ozone level is high?
  1. Drive less
  2. Stay hydrated
  3. Both 1 and 2
  4. Go for a long walk

Answer: Both 1 and 2.

7. Which of the following diseases are caused by smog?
  1. Rickets
  2. Bronchitis
  3. Breathing Problems
  4. All of the above

Answer: All of the above

8. Which of the following agents is mainly responsible for the secondary pollutants?
  1. Smog and Ozone
  2. Sulphur trioxide
  3. Nitrogen dioxide
  4. All of the above

Answer: All of the above

9. Which of the following gas is more in percentage in the air?
  1. Oxygen gas
  2. Nitrogen gas
  3. Water vapour
  4. Carbon dioxide gas

Answer: Nitrogen gas

10. Which of the following statements are true about CNG -Compressed natural gas?
  1. It is a clean fuel
  2. It is a harmful fuel
  3. It is a polluting fuel
  4. All of the above

Answer: It is a clean fuel

11. Which of the following techniques is used to determine the concentration of odour compounds in the given water sample?
  1. Settling
  2. Flushing
  3. Stripping
  4. Chlorination

Answer: Stripping

12. In most freshwater lakes, the algal productivity is limited by the availability of which of the following inorganic ions?
  1. Carbon
  2. Nitrogen
  3. Phosphorus
  4. All of the above

Answer: Phosphorus

13. The gas that causes atmospheric pollution is?
  1. Sulphur dioxide
  2. Steam
  3. Oxygen
  4. More than one of the above

Answer: Sulphur dioxide

14. What is the full form of POPs?
  1. Persistent Organic Pollutants
  2. Persistent Oxygenated Pollutants
  3. Polycyclic Organic Pollutants
  4. Polymerised Organic Pollutants

Answer: Persistent Organic Pollutants

15. Consider the following statements regarding SMOG:

1. SMOG was coined during the 1950's to describe a mixture of smoke and fog experienced in London

2. The principal pollutants in London SMOG are particulates and sulphur compounds

3. The London SMOG occurs generally early in the morning on cold wet winter days

Which of the above statements are correct?

  1. 1, 2 and 3
  2. 1 and 2 only
  3. 1 and 3 only
  4. 2 and 3 only

Answer: 1, 2 and 3

16. Which of the following statements is true about the Air Quality Index?
  1. It indicates the colour of the air.
  2. It predicts ozone levels in your area.
  3. It determines the intensity of sound and sound pollution.
  4. It estimates air pollution mainly sulphur content in the air.

Answer: It predicts ozone levels in your area.

17. Which of the following industries plays a major role in polluting air and increasing air pollution?
  1. Brick manufacturing industries
  2. Manufacture of gases industries
  3. Electrical appliances and electrical goods industries
  4. All of the above

Answer: All of the above

18. Chlorofluorocarbon are nonflammable chemicals mainly used in _________.
  1. Perfumes
  2. Refrigerators
  3. Air conditioners
  4. All of the above

Answer: All of the above

19. The main sources of Arsenic in water are ________.
  1. Floods
  2. Fertilizers
  3. Industrial waste
  4. Both 2 and 3

Answer: Both 2 and 3

20. Which of the following statements is true about the composition of Calcium Carbonate (CaCo3) in soft water?
  1. 0 to 30 milligrams of CaCO3 per litre
  2. 30 to 60 milligrams of CaCO3 per litre
  3. 60 to 90 milligrams of CaCO3 per litre
  4. 90 to 120 milligrams of CaCO3 per litre

Answer: 30 to 60 milligrams of CaCO3 per litre

21. Green Muffler is related to pollution of:
  1. Soil
  2. Air
  3. Noise
  4. None of the above

Answer: Noise

22. Which of the following statements is true about SMOG?
  1. SMOG is derived from the fog
  2. SMOG is derived from smoke
  3. SMOG is derived from water vapour
  4. SMOG is derived from both fog and smoke

Answer: SMOG is derived from both fog and smoke

23. Smoke, fumes, ash, dust, nitric oxide and sulphur dioxide are the main sources of ________.
  1. Primary Pollutants
  2. Secondary pollutants
  3. Bio-Degradable Pollutants
  4. None of the above

Answer: Primary Pollutants

24. Which of the following salts is the main cause of permanent hardness of water?
  1. Magnesium sulphate
  2. Magnesium bicarbonate
  3. Magnesium carbonate
  4. None of the above

Answer: Magnesium sulphate.

25. Which of the following is a waterborne disease?
  1. Typhoid
  2. Cholera
  3. Diarrhoea
  4. All of the above

Answer: All of the above

26. Which of the following is present in cigarette smoke?
  1. Methane
  2. Carbon dioxide
  3. Nicotine
  4. Ethanol

Answer: Nicotine

27. Which one of the following is an extremely short lived and unstable air/water pollutant?
  1. SMOG
  2. Volatile Organic Compounds (VOCs)
  3. Persistant Organic Pollutants (POPs)
  4. Polycyclic Aromatic Hydrocarbons (PAHs)

Answer: Volatile Organic Compounds (VOCs)

28. What type of pollution causes various diseases related to the respiratory system?
  1. Noise pollution
  2. Land pollution
  3. Air pollution
  4. Water pollution

Answer: Air pollution

29. Which of the following is called the secondary air pollutant?
  1. PANs
  2. Ozone
  3. Carbon monoxide
  4. Nitrogen Dioxide

Answer: Ozone

30. How many different types of primary pollutants together contribute to about 90 per cent of the global air pollution?
  1. Three
  2. Five
  3. Seven
  4. None of the above

Answer: Five

31. Which of the following are the primary causes of water pollution?
  1. Plants
  2. Animals
  3. Human activities
  4. None of these

Answer: Human activities

32. What is the health effects of excess fluoride in drinking water?
  1. Fluorosis
  2. Toothaches
  3. Lung disease
  4. Intestinal infection

Answer: Fluorosis

33. Which of the following diseases or infections is caused due to poor water hygiene?
  1. Leprosy
  2. Trachoma
  3. Conjunctivitis
  4. All of the above

Answer: All of the above

34. Which pollution causes Itai-Itai disease in human beings?
  1. Mercury pollution
  2. Cadmium pollution
  3. Arsenic pollution
  4. Nitrate pollution

Answer: Cadmium pollution

35. Which one of the following is the cause of acid rain?
  1. Water pollution
  2. Noise pullution
  3. land pollution
  4. Air pollution

Answer: Air pollution

36. The major photochemical smog is________.
  1. Hydrogen peroxide
  2. Chlorofluorocarbon
  3. Peroxyacetyl nitrate
  4. All of the above

Answer: Chlorofluorocarbon

37. Which of the following rivers is called the world’s most polluted river?
  1. Ganga River
  2. Chenab River
  3. Cauvery River
  4. Yamuna River

Answer: Ganga River

38. Which of the following techniques is used to remove fluorides from the water bodies?
  1. Osmosis
  2. Ion exchange
  3. Lime softening
  4. Both 2 and 3

Answer: Both 2 and 3

39. Which of the following is not an environmental problem?
  1. Genetic modification of food
  2. Afforestation
  3. Acid Rain
  4. Loss of Biodiversity

Answer: Afforestation

40. Which of the following agents is responsible for turning the Taj Mahal yellow?
  1. Sulphur
  2. Chlorine
  3. Sulphur dioxide
  4. Nitrogen dioxide

Answer: Sulphur dioxide

41. Which of the following techniques is used for reducing the total dissolved solids (TDS) in the water?
  1. Osmosis
  2. Ion exchange
  3. Distillation
  4. Both 2 and 3

Answer: Both 2 and 3

42. Acid rain is due to air pollution by
  1. Carbon dioxide
  2. Carbon monoxide
  3. Methane
  4. Nitrous oxide and Sulphur dioxide

Answer: Nitrous oxide and Sulphur dioxide

43. Which of the following pollutants are responsible for the cause of SMOG?
  1. From incinerators
  2. Emissions from vehicles
  3. Both incinerators and emissions from vehicles
  4. None of the above

Answer: Both incinerators and emissions from vehicles

44. DDT and Aluminium cans are examples of ________.
  1. Primary Pollutants
  2. Secondary pollutants
  3. Biodegradable Pollutants
  4. Non-Biodegradable Pollutants

Answer: Non-Biodegradable Pollutants

45. Which of the following is mainly responsible for the causes of water pollution?
  1. Afforestation
  2. Oil refineries
  3. Paper factories
  4. Both 2 and 3

Answer: Bihar

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