Self Assessment Questions

MULTIPLE CHOICE QUESTIONS (SOLVED)

1. The mean temperature of the earth is approximately
   1. 10° C.
   2. 15° C.
   3. 20° C.
   4. 29° C.
2. Soil erosion takes place due to
   1. loss of vegetation cover.
   2. excessive activities of ploughing and irrigation.
   3. natural phenomenon.
   4. All of the above.
3. Control measures of soil erosion caused by man is/are
   1. intense plantation.
   2. less use of chemicals (herbicide).
   3. taking preventive action to reduce run off of soil with water.
   4. All of the above.
4. Incineration is the disposal method of
   1. water pollutants.
   2. air pollutants.
   3. solid waste.
   4. All of the above.
5. The term environment denotes
   1. only living beings.
   2. only non-living beings.
   3. both living and non-living that effect an individual organism or population at any point in the life cycle.
   4. None of the above.
6. The conservation of nature and natural resources
   1. were not encouraged in ancient India.
   2. were encouraged in ancient India.
   3. are being encouraged recently in India.
   4. None of the above.
7. Which of the following is a Greenhouse gas?
   1. Nitrogen.
   2. Methane.
   3. Oxygen.
   4. All of the above.
8. Water in the ocean comprises of:
   1. 77 per cent of the total surface water of the Earth.
   2. 67 per cent of the total surface water of the Earth.
   3. 87 per cent of the total surface water of the Earth.
   4. 93 per cent of the total surface water of the Earth.
9. Water in the ocean comprises of:
   1. 77 per cent of the total water of the Earth.
   2. 67 per cent of the total water of the Earth.
   3. 87 per cent of the total water of the Earth.
   4. 93 per cent of the total water of the Earth.
10. Which of the following is not a fossil fuel?
    1. Coal.
    2. Wood.
    3. Petrol.
    4. LPG.
11. The interaction of animals and plants in any well defined area like pond is called
    1. ecosystem.
    2. biosphere.
    3. eco-community.
    4. biome.
12. The metal associated with ground water pollution in the present day is
    1. mercury.
    2. lead.
    3. cadmium.
    4. arsenic.
13. Water pollution may be reduced by the biological treatment with the help of
    1. fungi.
    2. chlorine.
    3. phytoplanktons.
    4. ammonia.
14. Which of the following is non-biodegradable?
    1. Cotton.
    2. Wool.
    3. Nylon.
    4. Silk.
15. There are two samples of waste water. Sample-I has BOD 200mg/l and Sample-II has BOD 40mg/l.
    1. The degree of pollution is same in both the samples.
    2. Sample-I is more polluted than Sample-II.
    3. Sample-II is more polluted than Sample-I.
    4. No inference can be drawn on degree of pollution.
16. The coldest region of atmosphere is
    1. troposphere.
    2. stratosphere.
    3. mesosphere.
    4. thermosphere.
17. The biotic factor of the ecosystem is
    1. soil.
    2. wind.
    3. producer and consumer.
    4. sunlight.
18. The temperature range of troposphere is
    1. –2 to –920° C.
    2. 15 to –560° C.
    3. –56 to –2° C.
    4. –92 to 1200° C.
19. Ozone is not a pollutant if it does not reside in
    1. troposphere.
    2. stratosphere.
    3. mesosphere.
    4. ionosphere.
20. Which one of the following unit measures the intensity level of noise?
    1. Met.
    2. Candle.
    3. Decibel.
    4. Newton.
21. Which is the unit dose of ionization radiation?
    1. ROM.
    2. RAD.
    3. CAD.
    4. CNCED.
22. The dengue fever is caused by the mosquito
    1. anopheles.
    2. culex.
    3. aedes.
    4. All of the above.
23. India is a megadiversity country with
    1. 4 ecological hotspots.
    2. 3 ecological hotspots.
    3. 2 ecological hotspots.
    4. 1 ecological hotspot.
24. Which of the following is a geothermal source of energy?
    1. Tidal waves.
    2. Ocean current.
    3. Gases and hot springs.
    4. All of the above.
25. Electrostatic precipitator and filters are used in factories to minimize
    1. air pollution.
    2. water pollution.
    3. noise pollution.
    4. pesticide pollution.
26. The wildlife is beneficial to mankind in several ways, because it provides beneficial substances such as
    1. rubber.
    2. tannin.
    3. drugs.
    4. All of the above.
27. The Great Indian Bustard is a
    1. vulnerable species.
    2. endangered species.
    3. rare species.
    4. flourishing species.
28. The two largest dam-reservoirs which were planned to be constructed on river Narmada are
    1. Sardar Sarovar and Narmada Sagar.
    2. Sardar Sarovar and Nagarjuna Sagar.
    3. Narmada Sagar and Nagarjuna Sagar.
    4. Narmada Dam and Sardar Dam.
29. The names of Baba Amte and Medha Patkar are associated with which of the protest movements of India?
    1. Silent Valley Movement.
    2. Narmada Bachao Andolan.
    3. Chipko Movement.
    4. All of the above.
30. Chipko Movement is
    1. a movement of political strength.
    2. an environmental movement.
    3. a movement for independence.
    4. None of the above.
31. Environmental planning organization is
    1. ICAR.
    2. NEERI.
    3. NCO.
    4. NPO.
32. Which one of the following is not a Ramsar site?
    1. Bhitarkanika Mangroves.
    2. Chilika Lake.
    3. Deepor Beel.
    4. None of the above.
33. United Conference on Environment and Development (UNCED) was held in
    1. June 1992.
    2. December 1993.
    3. December 1995.
    4. November 1996.
34. There will be a limit to economic growth, set by the available stocks of exhaustible resource. This is known as
    1. waste availability limit to growth.
    2. resource availability limit to growth.
    3. raw material availability limit to growth.
    4. All of the above.
35. In Chipko Movement
    1. women were protesting against replacement of mixed forest by commercially valuable pine tree.
    2. women were protesting against alcoholic husbands.
    3. Garhwali women were protesting against atrocities of contractors.
    4. it is a movement against corrupt political leaders.
36. Variation of genes within the same species (single population) and also among geographically separated populations is called
    1. biodiversity.
    2. species diversity.
    3. genetic diversity.
    4. None of the above.
37. The rich biodiversity of India is under severe threat of extinction on account of
    1. habitat loss/degradation due to agriculture; extraction, etc.
    2. fragmentation and over exploitation of resources.
    3. poaching and international trade of wild species and products.
    4. All of the above.
38. The BOD of a pond is high, the pond is
    1. highly polluted.
    2. not polluted.
    3. without any green vegetation.
    4. None of the above.
39. DDT is a
    1. biochemical pollutant.
    2. biodegradable pollutant.
    3. non-biodegradable pollutant.
    4. non-pollutant.
40. Soil is a
    1. collection of organic materials.
    2. collection of non-organic materials.
    3. top layer of land surface.
    4. None of the above.
41. What type of energy resource is Petroleum?
    1. Synthetic.
    2. Inconvenient.
    3. Non-renewable.
    4. Renewable.
42. Ramsar Convention 1971 aimed at the conservation of
    1. wasteland.
    2. wetland.
    3. desert.
    4. All of the above.
43. Which one the following is a world heritage site:
    1. Kaziranga National Park.
    2. Nandadevi National Park.
    3. Sundarban National Park.
    4. Keoladeo National Park.
44. The principal pollutant from automobile exhaust is
    1. mercury.
    2. lead.
    3. chromium.
    4. cadmium.
45. Agenda 21 refers to
    1. Earth Summit at Rio de Janeiro.
    2. Montreal Protocol.
    3. Stockholm Conference.
    4. None of the above.
46. Which of the following does not contain biomass?
    1. Municipal garbage.
    2. Sewage.
    3. Plastic materials.
    4. All of the above.
47. Stone cancer is caused by
    1. UV rays.
    2. ozone layer depletion.
    3. acid rain.
    4. Greenhouse gases.
48. CFC is also known as
    1. Chlorofluoro Carbon.
    2. Center for fuel control.
    3. Carcinogenic fluoride compound.
    4. None of the above.
49. Source of oxygen in atmosphere is
    1. respiration.
    2. excretion.
    3. photosynthesis.
    4. transpiration.
50. Acidity in rain is measured using a
    1. Barometer.
    2. Hygrometer.
    3. Ammeter.
    4. pH meter.
51. Rapid urbanization and industrialization
    1. leads to environmental pollution.
    2. is responsible for economic growth all over the world.
    3. is responsible for the population explosion.
    4. All of the above.
52. Environmental Impact Assessment (EIA)
    1. should be made compulsory for starting a developmental project.
    2. should not be made compulsory for starting a developmental project.
    3. should be done after completion of a developmental project.
    4. None of the above.
53. The pesticide that directly attacks the nervous system is
    1. Aldrin.
    2. DDT.
    3. Organic Phosphates.
    4. None of the above.
54. The most polluted city in the world is
    1. Kolkata.
    2. Tokyo.
    3. New York.
    4. Mexico.
55. The major effect of global warming is
    1. animals will die.
    2. aquatic plants will die.
    3. crop production and yield will be increased.
    4. glaciers will melt and water level on earth will increase.
56. The main cause of global warming is
    1. trapping of high wavelengths of sunrays by SO₂.
    2. trapping of shorter wavelengths of sunrays by CO₂.
    3. trapping of longer wavelengths of sunrays by CO₂.
    4. All of the above.
57. The main chemical responsible for ozone depletion is
    1. PAN.
    2. Hydrocarbon.
    3. Freon.
    4. CFC.
58. The most powerful eye irritant present in the smog is
    1. NO.
    2. O₃.
    3. PAN.
    4. SO₂.
59. The main cause of ozone layer depletion in the upper atmosphere is
    1. SO₂.
    2. CH₄.
    3. NO_x.
    4. NH₃.
60. Which of the following is a source of air pollution?
    1. CO.
    2. CO₂.
    3. SO₂.
    4. N₂.
61. Thickness of ozone layer is measured in which of the following units?
    1. Meters.
    2. Centimeters.
    3. Dobson units.
    4. Decibel units.
62. The recent air pollution due to radiation that causes hazards to the world and disturbed the ecological balance
    1. MIC gas tragedy in Bhopal.
    2. Chernobyl explosion.
    3. Challenger explosion in USA.
    4. All of the above.
63. The most possible cause of tension, headache, high blood pressure, loss of concentration and loss of hearing abilities is
    1. water pollution.
    2. air pollution.
    3. noise pollution.
    4. pesticide pollution.
64. Biological Oxygen Demand (BOD) determines the health of
    1. air.
    2. water.
    3. soil.
    4. All of the above.
65. Recent changes in the climate is due to
    1. environmental pollution.
    2. different natural phenomenon in recent years.
    3. natural cyclic change of climates.
    4. Chernobyl explosion.
66. First International convention on environment was held in
    1. New Delhi.
    2. New York.
    3. Stockholm.
    4. Geneva.
67. Chipko Movement was held in
    1. Uttar Pradesh.
    2. Assam.
    3. Karnataka.
    4. Kerala.
68. In India, Control of air Pollution is protected by
    1. Forest Act.
    2. Police Act.
    3. Environmental Pollution Act.
    4. Wildlife Act.
69. Acid rain is caused due to mixing of rain water with
    1. Carbon monoxide.
    2. Carbon dioxide.
    3. Sulphur dioxide and some oxides of nitrogen.
    4. All of the above.
70. The pyramid which can not be inverted in a stable ecosystem, is a pyramid of
    1. number.
    2. food.
    3. energy.
    4. biomass.
71. The logical sequence of carbon cycle is
    1. decomposer-photosynthesis-consumer.
    2. photosynthesis-decomposer-consumer.
    3. consumer-photosynthesis-decomposer.
    4. photosynthesis-consumer-decomposer.
72. According to ecological food chain, man is a
    1. decomposer.
    2. producer.
    3. consumer.
    4. All of the above.
73. The term trophic level is used for
    1. an organism’s position in a food chain.
    2. an organism’s position in the ecosystem.
    3. an organism’s position in a biome.
    4. All of the above.
74. A food web consists of
    1. many independent food chains.
    2. a single food chain.
    3. many interconnected food chains.
    4. All of the above.
75. The transfer of food energy from the producer, through a series of organisms, with repeated eating and being eaten is called
    1. food web.
    2. food habit.
    3. food chain.
    4. food roll.
76. A food chain consists of
    1. producers, carnivores and decomposers.
    2. producers, herbivores and carnivores.
    3. producers, consumers and decomposers.
    4. producers and primary consumers.
77. At the earth summit held in Rio de Janeiro, a globalization plan was adopted with aim of integrating environmental imperatives and developmental aspirations. The Global Action Plan is known as
    1. Agenda 22.
    2. Agenda 32.
    3. Agenda 21.
    4. Agenda 31.
78. Minamata disease is caused due to
    1. intake of cadmium.
    2. intake of arsenic.
    3. intake of fish contaminated with mercury.
    4. intake of fluoride contaminated water.
79. In 1984, the worst gas tragedy in India took place in
    1. Bengaluru.
    2. Mumbai.
    3. Bhopal.
    4. Patna.
80. The Silent Valley is a
    1. place in Himachal Pradesh.
    2. densely forested valley in Palghat district of north Kerala.
    3. valley in Garhwal Himalayan region.
    4. valley in Shivalik range.
81. Which one of the following is not a gaseous cycle?
    1. Carbon cycle.
    2. Phosphorous cycle.
    3. Nitrogen cycle.
    4. Oxygen cycle.
82. Which one of the following is capable of entrapping solar energy?
    1. Producer.
    2. Decomposer.
    3. Primary consumer.
    4. None of the above.
83. What is smog?
    1. Dense fog.
    2. Fog plus smoke.
    3. A special type of smoke.
    4. None of the above.
84. Which one of the following is not a renewable source of energy?
    1. Wood.
    2. Petroleum.
    3. Tidal energy.
    4. Wind energy.
85. The land mass of earth is known as
    1. biosphere.
    2. hydrosphere.
    3. lithosphere.
    4. stratosphere.
86. Richter scale is used for measuring
    1. velocity of light.
    2. intensity of sound.
    3. amplitude of seismic waves.
    4. All of the above.
87. The name Sundarlal Bahuguna is related to
    1. Chipko movement.
    2. Narmada Bachao Andolan.
    3. Silent Valley.
    4. All of the above.
88. Which of the following is not a marine pollutant?
    1. Oil spillage from tankers.
    2. Oil reaching the marine water from land.
    3. Radioactive waste.
    4. Industrial sludge.
89. The safest method for biomedical waste disposal is
    1. incineration.
    2. autoclaving.
    3. sharp pit encapsulation.
    4. Both (ii) and (iii).
90. HIV is not transmitted by which of the following:
    1. Sharing needles and injection equipments.
    2. Blood transfusion.
    3. Breast feeding.
    4. Mosquito bites.
91. The endangered species Brown Palmcivet (Paradoxurus Jerdoni) is found in
    1. Western Ghats.
    2. Eastern Ghats.
    3. Eastern Himalaya.
    4. Sundarbans.
92. In 1978, world’s most notorious and infamous soil pollution took place in
    1. Chernobyl.
    2. Bhopal.
    3. Love Canal.
    4. Smatler.
93. Which of the following virus is responsible for the Avian Influenza (Bird Flu)?
    1. H₅N₁ virus.
    2. NH₃ virus.
    3. H₂ N₁₀ virus.
    4. None of the above.
94. Which of the following is an advantage of forests:
    1. They bring rainfall in the monsoon.
    2. They act as watersheds.
    3. They prevent rainfall in monsoon.
    4. None of the above.
95. Oral Rehydration Therapy (ORT) is the process of
    1. continuous replacement of essential body fluids and salts in proper quantities during the attacks of diarrhoea.
    2. providing mineral water and fruit juice by railway during journey.
    3. taking saline injection.
    4. None of the above.
96. The best way of disposal of non-biodegradable plastic is
    1. incineration.
    2. landfilling.
    3. recycling.
    4. All of the above.
97. ISO 14000 is a series
    1. of international standards on environmental management tools and systems.
    2. of international standards on quality management tools and systems.
    3. of international standards on environmental and quality management tools and systems replacing ISO 9000 series.
    4. All of the above.
98. Lubrication and proper maintenance of machine reduces
    1. air pollution.
    2. water pollution.
    3. soil pollution.
    4. noise pollution.
99. Use of jack-hammers and dynamic blasting are related to
    1. soil pollution.
    2. noise pollution.
    3. air pollution.
    4. Both (ii) and (iii).
100. In Kolkata, major air pollution is caused by
     1. fungal spores.
     2. algae.
     3. hydrocarbons.
     4. carbon monoxide.

FILL IN THE BLANKS

1. ________ is the main contributor of global warming.
2. Earthquake is a ________ hazard.
3. The convention to safeguard ozone layer depletion was held at ________, Canada.
4. ________ June is known as World Environmental Day.
5. Chipko Movement was initiated by local tribal people in ________ in Uttar Pradesh.
6. The permissible level of sound in and around silence zone in daytime is ________ decibel.
7. Acid rain is caused by the presence of ________ acid and ________ acid in rain water.
8. Ozone depletion causes ________ cancer.
9. ________ is the best way of protecting soil erosion.
10. Biogas is a ________ type of energy source.
11. Asbestos causes ________ disease in human body.
12. ________ of the atmosphere protects us from the UV rays of the Sun.
13. A sequence of transfer of food energy from organisms in one trophic level to another is called _______.
14. On Earth, autotrophic components can directly fix ________ energy.
15. Greening ________ environmental degradation.
16. HIV stands for ________.
17. The innermost layer of earth is known as ________.
18. In 1986, nuclear plant disaster took place in ________.
19. Two non-conventional energy sources are ________ and ________.
20. El Nino is a ________ phenomenon connected with ________ of ocean surface.
21. Ozone is a pollutant gas on the surface of the ________ but high up, it ________ life below.
22. Itai-Itai disease is associated with ________ pollution.
23. The zone where fresh water mixes with marine water is called ________.
24. The names of two endangered mammals in India are ________ and ________.
25. ________ is responsible for Greenhouse Effect and ________ is responsible for ozone hole formation.
26. CO is a ________ pollutant and PAN is a ________ air pollutant.
27. ________ led the movement on Tehri Dam.
28. Heavy rain on vegetation free slopes causes ________ erosion.
29. India is a megadiversity country with two ________ hotspots.
30. The animals that live at the bottom of the sea are called ________.
31. ________ causes sea level rises.
32. Bhopal gas disaster occurred in the year ________.
33. Stone cancer of Taj Mahal is caused by ________.
34. The two important Greenhouse gases are ________ and ________.
35. All environmental changes take place in lower and ________ atmosphere.
36. The ________ of the atmosphere protects us from the UV rays of the Sun.

ANSWERS OF MULTIPLE CHOICE QUESTIONS

1 (i)

2 (iv)

3 (iv)

4 (iii)

5 (iii)

6 (ii)

7 (ii)

8 (i)

9 (iv)

10 (ii)

11 (iv)

12 (iv)

13 (i)

14 (iii)

15 (ii)

16 (i)

17 (iii)

18 (ii)

19 (i)

20 (iii)

21 (ii)

22 (iii)

23 (iii)

24 (iii)

25 (i)

26 (iv)

27 (ii)

28 (i)

29 (ii)

30 (ii)

31 (ii)

32 (iv)

33 (i)

34 (ii)

35 (i)

36 (iii)

37 (iv)

38 (i)

39 (iii)

40 (iii)

41 (iii)

42 (ii)

43 (i)

44 (ii)

45 (i)

46 (iii)

47 (iii)

48 (i)

49 (iii)

50 (iv)

51 (i)

52 (i)

53 (iii)

54 (iv)

55 (iv)

56 (iv)

57 (iv)

58 (iii)

59 (iii)

60 (i)

61 (iii)

62 (ii)

63 (iii)

64 (ii)

65 (i)

66 (iii)

67 (i)

68 (iii)

69 (iii)

70 (iii)

71 (iv)

72 (iii)

73 (i)

74 (iii)

75 (iii)

76 (iii)

77 (iii)

78 (iii)

79 (iii)

80 (ii)

81 (ii)

82 (i)

83 (ii)

84 (ii)

85 (iii)

86 (iii)

87 (i)

88 (ii)

89 (iv)

90 (iv)

91 (i)

92 (iii)

93 (i)

94 (ii)

95 (i)

96 (iii)

97 (i)

98 (iv)

99 (iv)

100 (iv)

ANSWERS OF FILL IN THE BLANKS

1 CO₂

2 natural

3 Montreal

4 Fifth

5 Uttarakhand

6 50

7 Sulphuric, nitric

8 skin

9 Afforestation

10 renewable

11 silicosis

12 Ozone layer

13 food chain

14 light

15 prevents

16 Human Immuno Virus

17 core

18 Chernobyl

19 Solar energy, wind energy

21 Earth, protect

22 mercury

23 estuary

24 tiger, one horned rhinoceros

25 CO₂, CFC

26 primary, secondary

27 Medha Patekar

28 Soil

29 two

30 benthic

31 Global warming

32 1984

33 air pollution

34 Carbon dioxide, methane

35 middle

36 ozone layer