Global Warming and Environmental Pollution Related MCQ with Answers

environment mcq edu hyme

This subject (Global Warming and Environmental Pollution) can be overwhelming and the science complicated. In addition, predictions about the future of the planet often include endless warnings and signs.

The accumulated heat in the oceans reached a new record in 2021 even during Covid-19 Pandemic. The rise in temperature of the seas is one of the best ways to quantify global warming, which is “unambiguous”.

We understand.

In this article we are giving 100 MCQ Questions and Answers on the Global Warming and Environmental Pollution which strengthen the knowledge of aspirants who are preparing for the examinations like UPSC, SSC, SBI, Railways etc.

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This is why, we have put together a list of 100 Multiple Choice Questions with Answers about climate change and environmental pollution:

1. Smog is produced due to

  • Air and metal dust
  • Water and nitrogen oxide
  • Smoke and fog
  • None of these

2. The photochemical smog is formed by

  • Nitrogen oxides
  • Hydrocarbons
  • Nitrogen oxides and hydrocarbons
  • Solar radiations upon nitrogen oxides and hydrocarbons

3. In metropolitan cities the automobiles cause air pollution

  • 80%
  • 60%
  • 50%
  • 100%

4. Ozone depletion shall cause higher incidence of

  • Skin cancers
  • Cataract
  • Decreased immunity
  • All the above

5. Most harmful type of environmental pollutants are

  • Human organic wastes
  • Natural nutrients in excess
  • Waste animal feed
  • Non-biodegredable chemicals

6. Jet aeroplane releases pollutants in air called

  • Smog
  • Photo-chemical oxidants
  • Aerosols
  • Algae and bacteria

7. Spraying DDT on crops shall produce pollution of

  • Air and water
  • Air and soil
  • Crops and air
  • Soil and water

8. Among pollutants which has the most lasting effect?

  • Carbon monoxide
  • Pesticides
  • Sulphur dioxide
  • Smoke from chimneys

9. Lead pollution in Indian cities had been mainly due to

  • Lead pencils
  • Batteries
  • Automobiles
  • Electronic gadgets

10. Pollutant likely to deplete ozone layer is

  • CO
  • Nitrogen oxides
  • Cholorofluorocarbons
  • Both (b) and (c)

11. Acid rain is caused by

  • Excess production of coal gas
  • Excess release of CO2 due to increasing combustion and respiration
  • Excess release of SO2 and NO2 from burning fossil fuels
  • Excess production of gaseous hydrocarbons.

12. The physical and biological world where one lives is called:

  • Environment
  • Atmosphere
  • Elithosphere
  • None of these

13. What is the vital factor which makes the environment different in different regions?

  • Effect of atmosphere
  • Effect of human activity
  • Effect of ozone layer
  • None of these

14. Name the gas present in the atmosphere at a height between 50 to 60 km:

  • Oxygen
  • Ozone
  • Hydrogen
  • Nitrogen

15. Chief air pollutant which is likely to deplete ozone layer is

  • Sulphur dioxide
  • Carbon dioxide
  • Carbon monoxide
  • Nitrogen oxides and fluorocarbons.

16. Name the main agent which causes pollution:

  • Man
  • Animals
  • Sea animals
  • Nitrogen

17. Non-biodegradable waste is:

  • Polythene
  • Radioactive waste
  • Plastic
  • All of these

18. Above ozone layer there is present a layer of ions which emit:

  • X-rays
  • Infra-red rays
  • Radiowaves
  • None of these

19. Air and water pollution is caused by:

  • Radioactive wastes
  • Industrial wastes
  • Radio active substances
  • None of these

20. Man is:

  • Omnivorous
  • Herbivorous
  • Carnivorous
  • None of these

21. Global warming will cause

  • Rise in level of oceans
  • Decrease in glaciers
  • Reduction in ice caps
  • All the above

22. Two constituents of abiotic environment are:

  • Oxygen and Nitrogen
  • Air and water
  • Water and Nitrogen
  • Land and Oxygen

23. The wastes which remain in soil and control be used are called:

  • Bio-degradable wastes
  • Non-biodegradable wastes
  • Biomagnification
  • None of these

24. Deforestation causes:

  • Soil erosion
  • Soil fertility
  • Soil conservation
  • None of these

25. Substance which absorbs UV-radiations coming from the sun is:

  • Oxygen
  • Water-Vapour
  • Water gas
  • Ozone

26. Soil is called fertile only:

  • In presence of nitrogeneous compounds
  • In presence of all the essential elements except nitrogenous compounds
  • In presence of all the essential elements along with the earthworms
  • In presence of earthworm only

27. Siliviculture is a programme pertaining to:

  • Fishing
  • Replenishing forests
  • Collection of metals from the soil
  • None of these

28. Free oxygen in the atmosphere comes from:

  • Decomposition of water vapours
  • Decomposition of oxides
  • The plants during photosynthesis
  • None of these

29. Atmosphere extends:

  • Upto 15 km
  • From 15 km to 60 Km
  • From earth level to 60 km
  • More than 60 km

30. Loud noise causes

  • Irritation
  • Irrationality
  • Impairment of hearing
  • Dilation of blood vessels

31. Pollution increases:

  • Arithmetically
  • Geometrically
  • Numerically
  • None of these

32. Which of the following do not cause pollution:

  • Water
  • Noise
  • Air
  • All cause pollution

33. Plants and animals constitute:

  • Biotic environment
  • Basic environment
  • Biological magnification
  • None of these

34. The water level present underground is called:

  • Water table
  • Water level
  • Spring level
  • None of these

35. Supersonic jets cause pollution by thinning of

  • Sulphur dioxide layer
  • Carbon dioxide layer
  • Ozone layer
  • All the above

36. A thin layer of oil on water is called:

  • Oil slick
  • Oil film
  • Oilute
  • None of these

37. Ecological imbalance in the world is created by:

  • Conservation of forests
  • Conservation of wild life
  • Production of more paper
  • Conservation of water and soil

38. Pollution is

  • Removal of top soil
  • Release of toxic/undesirable materials in environment
  • Conservation of energy
  • All the above

39. The pollutant which dissolves to form acid rain:

  • Sulphur dioxide
  • Carbon monoxide
  • Nitrogen dioxide
  • Both (a) and (b)

40. The depletion of ozone layer is due to the use of chemical such as:

  • Fluorocarbon
  • Chlorocarbon
  • DDT
  • Both (a) and (b)

41. Ultimate environment hazard to mankind is due to

  • Nuclear pollution
  • Water pollution
  • Air pollution
  • Noise pollution

42. An upset in the natural balance is due to:

  • Ecological crisis
  • Environmental temperature
  • Environmental pressure
  • None of these

43. An example of non-biodegradable waste is:

  • Paper
  • Cow dung
  • Plastic
  • None of these

44. Most dangerous pollution is caused by:

  • Air
  • Chemicals
  • Noise
  • Radioactive substances

45. Which of the following is biodegradable?

  • Paper
  • Aluminium bags
  • DDT
  • Plastic

46. Greenhouse gases are

  • Absorbers of long-wave radiations from earth
  • Transparent to both solar radiations and long-wave radiations from earth
  • Absorbers of solar radiations for warming the atmosphere of earth
  • Transparent to emissions from earth for passage into outer space.

47. Cutting of tree for various purposes is called:

  • Deforestation
  • Transpiration
  • Monoculture
  • Afforestation

48. Growing of same crops on same soil year after year is:

  • Crop rotation
  • Crop monoculture
  • Silviculture
  • None of these

49. The study of relationship of living things to each other and their environment is called:

  • Ecology
  • Psychology
  • Zoology
  • None of these

50. The meteriological factors are:

  • Sunlight, temperature, rainfall
  • Oxygen and Nitrogen
  • Storm and sea waves
  • None of these

51. Gas being produced by paddy fields and involved in global warming is

  • Chlorine
  • Methane
  • CO2
  • H2S

52. Herbicides, algacides, rodencides, fumigants etc are called:

  • Biocides
  • Pesticides
  • Insecticides
  • Fungicides

53. Air pollutants enter the body through:

  • The respiratory system
  • The digestive system
  • the excretory system
  • All of the above

54. Air pollution is not caused by

  • Pollen grains
  • Hydroelectric power
  • Industries
  • Automobiles

55. The sources which are prepared in many years and cannot be made easily are called:

  • Renewable
  • Inconsistent
  • Non-renewable
  • All of these

56. The example of renewable resource is:

  • Natural Gas
  • Gobar Gas
  • Uranium
  • None of these

57. Increased asthmatic attacks in certain seasons are related to

  • Inhalation of seasonal pollen
  • Eating of seasonal vegetables
  • Low temperature
  • Wet and dry environment

58. What we should do to meet energy crisis?

  • Use coal
  • Use natural gas
  • Use uranium
  • Use solar energy

59. Biodegradable pollutant is

  • Plastic
  • Asbestos
  • Sewage
  • Mercury

60. Minamata disease is due to pollutant

  • Lead
  • Mercury
  • Hydrogen sulphide
  • Sulphur dioxide

61. Gas released during Bhopal tragedy was

  • Methyl isocyanate
  • Potassium isothiocyanate
  • Sodium isothiocyanate
  • Ethyl isothiocyanate

62. Forests are helpful due to their:

  • Control over pollution
  • Control over water
  • Control over gases
  • Control over wood

63. Of the following gases, tell which one suffocates living beings to death?

  • Carbon dioxide
  • Carbon monoxide
  • Nitrogen dioxide
  • Sulphur dioxide

64. Acid rain will not affect

  • Lithosphere
  • Plants
  • Ozone layer
  • Animals

65. Spraying of DDT produces pollution of

  • Air
  • Air and Water
  • Air and Soil
  • Air, Water and Soil

66. The poisonous gas, in the exhaust gases emoitted by a vehicle, which hinders the activity of haemoglobin is:

  • So2
  • CO
  • No2
  • Co2

67. Pulmonary oedema is caused by

  • Sulphur oxides
  • Carbon oxides
  • Nitrogen oxides
  • Hydrocarbons

68. Conservation of wild animals in necessary because:

  • it keeps the ecological balance
  • they consume of crops
  • they do not pollute
  • none of these

69. Of the following metals, tell which one causes systemic poisoning in man?

  • Zinc
  • Manganese
  • Selanium
  • Lead

70. Silicosis occurs due to

  • Acid rain
  • Ozonel depletion
  • Inhalation of aerosols
  • Inhalation of So2

71. Which is affected by taking alcohol?

  • Heart
  • Liver
  • Lungs
  • Kidneys

72. Which factors affect health?

  • Intrinsic and extrinsic
  • Atmosphere
  • Alcohol
  • None of these

73. Name the disease caused by virus:

  • AIDS
  • Syphlilis
  • Maleria
  • Cold

74. Air and water pollution are interconnected through

  • Smog
  • Acid rain
  • Aerosols
  • Radioactive pollution

75. What is it that smoking produces in the largest amount?

  • Nitrogen oxide
  • Carbon monoxide
  • Particulate matter
  • Carbon dioxide

76. Narcotic drug is:

  • Tobaco
  • tea
  • Morphine
  • None of these

77. Tobacco contains:

  • Morphine
  • Nicotine
  • LSD
  • All these

78. Excessive pesticides pollute:

  • Lithosphere
  • Biosphere
  • Atmosphere
  • None of these

79. Which one of the following diseases are sexually transmitted

  • Gonorrhoea
  • Syphills
  • AIDS
  • All of these

80. Which gas contributes most to greenhouse effect?

  • CFC
  • Feron
  • Co2
  • CH4

81. The chemicals or radiations whose presence causes pollution are called:

  • Pollutants
  • Pollution
  • Atmosphere
  • None of these

82. Contamination of water is caused by:

  • Roughage
  • Industrial wastes
  • Industry
  • None of these

83. DDT is

  • Greenhouse gas
  • Degradable pollutant
  • Non degredable pollutant
  • None of above

84. Air pollution is maximum i

  • Sewage and pesticides
  • Sewage and effluents
  • Detergents and pesticides
  • Automobile exhausts and chemicals from industries

85. AIDS is caused by:

  • Malarial Parasite
  • Virus
  • Rabies
  • None of these

86. Chemical pollution is caused by:

  • Chemical wastes from industries
  • Insecticides
  • Rodents
  • None of these

87. Some common Pesticides:

  • DDT and BHC
  • Blue Vitriol
  • Potassium Nitrate
  • None of these

88. Which gas is more toxic:

  • Carbon monoxide
  • Carbon dioxide
  • Oxygen
  • Nitrogen

89. Which one is caused by the uncontrolled growth of tissues?

  • Cancer
  • AIDS
  • Syphilis
  • None of these

90. The dangerous diseases for which no cure has been found.

  • Malaria, Tuberculosis
  • Cancer and AIDS
  • Beri Beri & Kalazar
  • None of these

91. Alcohol ______ the alertness of mind:

  • Reduces
  • Increases
  • (a) and (b) both
  • None of these

92. The unit of intensity of noise is:

  • Decibel
  • Decimal
  • Debey
  • Dioptre

93. Ozone is:

  • o
  • o2
  • o3
  • o4

94. o3 is formed in stratosphere at height of:

  • 16-23 km
  • 10-15 km
  • 50-60 km
  • 60-70 km

95. Which part of solar radiation is absorbed by ozone layer:

  • Ultraviolet
  • Infrared
  • Visible
  • All of these

96. Ultraviolet rays cause:

  • AIDS
  • Skin cancer
  • T.B.
  • Small pox

97. In atmosphere, Ozone is prepared with the effect of sun rays from:

  • Co2
  • o2
  • n2
  • Water vapours

98. Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due to

  • Combining with oxygen to form carbon dioxide
  • Destruction of haemoglobin
  • Preventing reaction between oxygen and haemoglobin
  • Forming stable compound with haemoglobin

99. Due to greenhouse effect, temperature of earth is:

  • Rising
  • Falling
  • Remaining same
  • None

100. Greenhouse effect can be minimised by:

  • Pisciculture
  • Agriculture
  • Silviculture
  • All these three

 

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