(Multiple Choice Type Questions) 150 x 1 = 150

1. Choose the correct alternative from the following

1. Which layer of the atmosphere is closest to the Earth's surface?
a. Troposphere b. Stratosphere
c. Mesosphere d. Thermosphere
2. What is the approximate percentage of oxygen in the Earth's atmosphere?
a. 21% b. 50%
c. 78% d. 95%
3. What does the hydrosphere primarily consist of?
a. Soil and rocks b. Air and gases
c. Water in all its forms d. Plants and animals
4. What does the biosphere refer to?
a. The part of the Earth's crust b. The zone of the atmosphere where
made up of living organisms weather occurs
c. The entirety of Earth's water d. The regions of the planet where living
bodies, including oceans and organisms exist
rivers
5. Which of the following is a key pillar of sustainable development?
a. Profit maximization b. Social inequality
c. Environmental protection d. Short-term planning
6. Which crop is primarily grown for its edible seeds that are rich in protein and oil?
a. Sugarcane b. Cotton
c. Barley d. Sunflower
7. What is the primary product obtained from the tapping of rubber trees in natural forests?
a. Rubber latex b. Rubber seeds
c. Rubber resin d. Rubber wood
8. Which of the following is a major consequence of over-pumping of groundwater?
a. Decreased risk of drought b. Groundwater recharge
c. Land fertility improvement d. Depletion of aquifers
9. Which is the most abundant non-renewable energy source used for electricity
generation?
 a. Methane b. Uranium
c. Carbon d. Carbon dioxide
10. Biogas is produced through the process of
a. Fermentation b. Photosynthesis
c. Combustion d. Electrolysis
11. What is the primary government body responsible for regulating and overseeing the
mining sector in India?
a. Ministry of Environment and b. Ministry of Mines
Forests
c. Ministry of Home Affairs d. Ministry of Commerce and Industry
12 Which of the following represents an abiotic component of an ecosystem?
a. Plants b. Animals
c. Soil d. Insects
13. What is the primary function of an ecosystem?
a. Providing habitat for a single b. Maintaining biodiversity
species
c. Producing non-renewable d. Controlling weather patterns
resources
14. Infer the correct sequence in a typical food chain?
a. Producers -> Consumers -> b. Decomposers -> Consumers ->
Decomposers Producers
c. Consumers -> Producers -> d. Decomposers -> Producers ->
Decomposers Consumers
15. Which of the following is a characteristic feature of the desert ecosystem?
a. Abundant rainfall throughout b. Dense and lush vegetation
the year
c. High humidity and moisture d. Limited water availability and sparse
content vegetation
16. Which level of biological diversity refers to the variety of different species in a specific
area?
a. Genetic diversity b. Species diversity
c. Ecosystem diversity d. Population diversity
17. Which of the following species is NOT endemic to India?
 a. Malabar Giant Squirrel b. Andaman Wood Pigeon
c. Nilgiri Langur d. Snow Leopard
18. Which of the following is a major driver of biodiversity loss, causing the extinction of
many species?
a. Conservation efforts b. Habitat destruction
c. Climate change d. Wildlife sanctuaries
19. Which air pollutant is responsible for the formation of acid rain, which can harm aquatic
ecosystems and damage buildings and infrastructure?
a. Carbon monoxide (CO) b. Sulfur dioxide (SO2)
c. Methane (CH4) d. Volatile organic compounds (VOCs)
20. Prolonged exposure to high levels of noise pollution can lead to:
a. Enhanced hearing sensitivity b. Reduced risk of cardiovascular diseases
c. Noise tolerance and adaptation d. Hearing loss and other auditory
problems
21. Which of the following is a non-renewable energy source?
a. Solar power b. Wind energy
c. Natural gas d. Biomass
22. Coal, oil, and natural gas are examples of:
a. Renewable energy sources b. Geothermal energy sources
c. Fossil fuels d. Hydroelectric energy sources
23. Primary succession occurs in an area that:
a. Has never been inhabited by b. Experiences periodic disturbances,
living organisms. such as wildfires.
c. Is already occupied by a d. Is dominated by invasive species.
stable community of plants
and animals.
24. Pyramid of biomass represents the:
a. Distribution of organisms b. Total mass of living organisms in each
based on their geographic trophic level.
range.
c. Flow of energy through d. Interaction between predators and prey.
different ecosystems.
25. Ecological pyramids are graphical representations that show the:
 a. Geographic distribution of b. Interaction between producers and
species in an ecosystem. consumers in a food web.
c. Relative energy, biomass, or d. Seasonal changes in temperature and
number of organisms at each precipitation.
trophic level.
26. Grasslands are characterized by:
a. Tall, dense forests with a b. Harsh, dry desert-like conditions with
variety of tree species. cacti and succulents.
c. Dominance of grasses and d. Cold and icy conditions with polar
herbaceous plants with few bears and penguins.
trees.
27. Incineration is a disposal method of
b. Air pollutant
a. Water pollutant
c. Solid waste d. Noise pollutant
28. The name of the disease that occurs due to mercury pollution is
a. Minamata disease b. Skin cancer
c. Ouch Ouch disease d. Kidney damage
29. Water is called polluted when DO level drops below
a. 5 ppm b. 8 ppm
c. 10 ppm d. 15 ppm
30. Example of ex-situ conservation is
a. Conservation of plants in b. Sundarbans
botanical garden
c. Wind d. Both conservation of plants in botanical
garden and wind
31. The abnormal growth and activities of a cell may cause
a. Cancer b. Typhoid
c. Cholera d. Malaria
32. Ozone acts as a protective shield when it resides in
a. Mesosphere b. Stratosphere
c. Thermosphere d. Troposphere
33. The audio range of human is
 a. 20-20000 Hz b. 200-20000 Hz
c. 2000-5000 Hz d. 500-5500 Hz
34. The common unit of noise is
a. Kg b. Hz
c. gm d. Decible
35. A biotic factor of eco-system is
a. Sunlight b. Soil
c. Wind d. Tree
36. Green House gas is
a. Carbon monoxide b. Sulfur dioxide
c. Water vapour d. All of the above
37. Ozone hole in Antarctica is due to
a. Methane b. CFC
c. Carbon dioxide d. Nitrogen
38. Grassland ecosystem is occupied by nearly……. of Earth surface
a. 21% b. 50%
c. 70% d. 80%
39. The most potentially renewable energy resource is
a. Sunlight b. Wind
c. Tidal energy d. Biomass
40. The coldest region of atmosphere is
a. Troposphere b. Ionosphere
c. Mesosphere d. Stratosphere

41. The main component of air is

a. Nitrogen b. Oxygen
c. Carbon dioxide d. Water vapour
42. Itai itai disease occurs due to
a. Arsenic pollution b. Lead pollution
c. Mercury pollution d. Cadmium pollution
43. Example of in-situ conservation is
a. Deer park b. Seed bank
c. Wildlife sanctuary d. Aquarium
44. Air pollutant which reduces oxygen carrying capacity of hemoglobin is
a. Carbon monoxide b. Ammonia
c. Hydrogen sulphide d. Methane
45. Lithosphere means
a. Air b. Organism
c. Water d. Rocks and soil
46. The main source of water in India for agricultural purposes is
a. Rain water b. Ground water
c. Surface water d. Sea water
47. How many hot spots of biodiversity are present in India?
a. Four b. Two
c. Three d. Five
48. pH of the acid rain varies between
a. 3-6 b. 9-11
c. 11-14 d. 6-9
49. A lake rich of nutrient is called
a. Oligotrophic lake b. Mesotrophic lake
c. Eutrophic lake d. Aziotrophic lake
50. The hottest region of the atmosphere is
a. Troposphere b. Mesosphere
c. Ionosphere d. Stratosphere
51. World Environment Day is observed every year on
a. 5th June b. 5th July
c. 5th August d. 5th September
52. A scientist who studies interaction between plants and animals is
a. A physicist b. A chemist
 c. A geologist d. An ecologist
53. The noise threshold limit values for 16 hours is
a. 80 dB b. 90 dB
c. 100 dB d. 110 dB
54. In what medium sound can propagate fast?
a. Gas b. Solid
c. Liquid d. All of the above
55. What is the name of instrument by which sound can be measure in dB?
a. Sound level meter b. Viscometer
c. Thermometer d. Sound pressure meter
56. Which one is the example of ‘’climate factor ‘’ in bellow?
a. Light b. Altitude of mountain
c. Structure of the soil d. All of the above
57. Which pyramid is always an upright one?
a. Pyramid of energy b. Pyramid of number
c. Pyramid of number d. Pyramid of number and biomass
58. Symbiotic bacteria is
a. Rhizobium b. Anabena
c. Nostoc d. All of the above
59. The Montreal protocol is related to
a. Land pollution b. Atmospheric pollution
c. Water pollution d. Noise pollution
60. Which one of the following can be used for disinfection of water?
a. Chlorine b. Hydrogen peroxide
c. Ozone d. Both chlorine and ozone
61. BOD means
a. Biological oxygen demand b. Biochemical oxygen demand
c. Biggest oxygen demand d. Bio oxygen dissolved
62. Which one of the following ozones is harmful to public health?
 a. Stratospheric ozone b. Tropospheric ozone
c. Laboratory ozone d. Lithospheric ozone
63. Identify the primary constituent of smog
a. Water b. Sulphur dioxide
c. Carbon dioxide d. Hydrogen sulphide
64. Which of the following is not biodegradable?
a. Polythene b. Cotton
c. Vegetable waste d. Wood
65. Contaminated water causes disease due to
a. Increase of pathogens b. Increase of COD
c. Increase of BOD d. Increase of DO
66. Sulphur cycle is
a. Hydrologic cycle b. Gaseous cycle
c. Sedimentary cycle d. Hydrolytic cycle
67. Tree hugging movement is
a. Chipko Andolan b. Silent valley movement
c. Narmoda dam movement d. Tehri dam movement
68. The causes of landslide is due to
a. Deforestation b. Road construction
c. Industrialization d. All of the above
69. Drought can be classified as
a. Metrological drought b. Hydrological drought
c. Agricultural drought d. All of the above
70. Biotic factor is related to
a. Living organisms b. Non living organisms
c. Both living and non living d. Fungus
organisms
71. Energy flow in an ecosystem is
a. Unidirectional b. Cyclic
 c. May be unidirectional or d. Can not be said
cyclic depending on condition
72. Nitrogen cycle is a
a. Gaseous cycle b. Hydrologic cycle
c. Sedimentary cycle d. All of the above
73. The main pathogen present in contaminated water is
a. Bacteria b. Algae
c. Protozoa d. All of the above
74. In BOD test the BOD bottles are stoppered to
a. Prevent mixing of carbon b. Prevent mixing of ozone
dioxide
c. Prevent mixing of oxygen d. Prevent mixing of inert gases
75. Hazardous waste should have characteristics
a. Reactivity b. Corrosivity
c. Toxicity d. All of the above
76. Hazardous waste should have characteristics
a. Reactivity b. Corrosivity
c. Toxicity d. All of the above
77. The best method of disposal of non-hazardous solid waste is
a. Open dumping b. Sanitary land filling
c. Incineration d. Composting
78. Effect of noise pollution is mainly on
a. Physical health b. Mental health
c. Heart rate d. All of the above
79. Examples of second trophic level organism is
a. Plant b. Small fish
c. Tiger d. Lion
80. Sound wave is an example of
a. Transverse wave b. Longitudinal wave
 c. Electromagnetic wave d. Static wave
81. In genotoxicity the target area is
a. Liver b. Kidney
c. Blood d. Gene
82. The unit of measuring hardness is
a. ppm b. gm/ litre
c. Mole/ litre d. Mole/kg
83. By using photovoltaic cell, solar energy can be converted into
a. Thermal energy b. Mechanical energy
c. Electrical energy d. Wind energy
84. The main attribute of population growth is
a. Birth rate b. Immigration rate
c. Emigration rate d. Death rate
85. The maximum sustainable yield is obtained when the population is
a. Half of the carrying capacity b. Double of the carrying capacity
c. Two third of the carrying d. Three fourth of the carrying capacity
capacity
86. Toxicity of chromium is maximum when its oxidation state is
a. 6 b. 3

c. 0 d. 4
87. The most toxic volatile organic compound is
a. Vinyl Chloride b. Carbon tetrachloride
c. Chloroethane d. Methane
88. The example of primary consumer is
a. Plant b. Cow

c. Tiger d. Snake
89. In pulmonotoxicity the targeted body part is
a. Liver Blood b. Blood

c. Kidney d. Lungs
90. The exchange of mass and energy takes place in
a. Closed system b. Open system
c. Isolated system d. Homogeneous system
91. The BOD reaction gets completed in
a. 45 minutes b. 12 hours

c. 120 hours d. Never gets completed

92. With increase in temperature the DO in water
a. Decreases b. Increases
c. Remains same d. Can not be predicted
93. The essential component of photosynthesis is
a. CO2 b. H2O
c. Sunlight d. All of the above
94. Acid which may act as buffer is
a. H2CO3 b. HCl
c. HNO3 d. H2SO4
95. The nature of pyramid in successive trophic level is
a. Inverted b. Upright
c. Can be both inverted and d. Horizontal
upright
96. Water will be considered saline if the TDS value is
a. <1500mg/l b. >5000mg/l
c. <500mg/l d. <100mg/l
97. In symbiosis
a. Two species are mutually b. Only one is benefitted
benefitted
c. No species are benefitted d. Species depend on others
98. In USG the wave used is
a. Sound wave b. Light wave
c. Heat wave d. Water wave
99. The environmental protection act was introduced in
 a. 1980 b. 1984
c. 1985 d. 1986
100. The components of environmental auditing are
a. Assessment b. Verification
c. The Audit process d. Assessment, verification, audit
101. The Sunderban mangrove forest in west Bengal is located in the district of
a. Midnapur b. Birbhum
c. Nadia d. 24 Parganas
102. The mangrove forest in west Bengal is named Sunderban mainly due to presence of
trees

a. Goran b. Garjan
c. Klora d. Sundari
103. Tundra occurs due to
a. Low temperature and low b. Low temperature and high moisture
moisture
c. High rainfall and high d. Moderate rainfall and moderate
moisture temperature
104. The main contributor of CO2 in the atmosphere is
a. Oil b. Coal
c. Natural gas d. Tree
105. The toxicity of Ca-45 is related to
a. Bone b. Thyroid
c. Blood d. Typhoid
106. Meningitis is caused by
a. Bacteria b. Virus
c. Protozoa d. Fungi
107. BOD test in the laboratory is done for
a. 5 days b. 2 days
c. 6 days d. 10 days
108. Tertiary consumers are those which feed on
 a. Primary consumer b. Secondary consumer
c. Producer d. Both primary and secondary consumer
109. The particle size is maximum in
a. Clay b. Silt
c. Sand d. Gravel
110. The most important elements which causes algal bloom are
a. N, P, K b. C, N, P
c. Ca, Mg, Fe d. Mo, Co, Cu
111. An ideal example of brackish water source is
a. Sea water b. Ground water
c. Rain water d. Spring water
112 Hydroelectricity provides electric power supply of
a. 5% b. 10%
c. 20% d. 50%
113. Density of water is maximum at
a. 0 °C b. 4 °C
c. 100 °C d. - 4 °C
114. Aircraft noise is measured by
a. L10 (18 hrs) index b. Leq
c. Lepn d. Laq
115. The expected rise in global temperature by the year 2030 is
a. 10 °C b. 8 °C
c. 3 °C d. 5 °C
116. The energy that is dug from under the Earth surface is
a. Geothermal energy b. Solar energy
c. Biogas d. Wind energy
117. The flow of energy in a food chain is
a. Unidirectional b. Bidirectional
c. Cyclic d. Multi-directional
118. Eutrophication in lake is due to the presence of
a. Nitrogen and Phosphorus b. BOD and COD
c. Chromium and Mercury d. DO and bacteria
119. Which of the following regions have maximum biodiversity
a. Temperate rainforest b. Taiga
c. Tropical rain forest d. Mangroves
120. Grassland ecosystem is occupied by nearly …….. of Earth surface.
a. 21% b. 50%
c. 70% d. 80%
121. A scientist who studies interaction between plants and animals is
a. A physicist b. A chemist
c. A geologist d. An ecologist
122. The maximum quantity of fresh water occurs in
a. River b. Groundwater
c. Polar ice caps and glaciers d. Seawater
123. Ecosystems consists of
a. Only living organisms . b. Living organisms and physical factors
c. Only insects d. Only physical factors
124. Identify the temperature range of troposphere
a. -2 to -92 °C b. 15 to -56 °C
c. -56 to -2 °C d. -92 to 1200 °C
125. Montreal Protocol is related to
a. Land pollution b. Noise pollution
c. Production and use of CFC d. Increase of population
126. Bhopal gas tragedy occurred in
a. December 1984 b. December 1983
c. July 1984 d. July 1983
127. At the inter-boundary layers in the structure of atmosphere, indicate temperature
change
 a. Increases b. Decreases
c. Steady d. All of the above
128. . Locate the layer present immediately above the earth’s surface
a. Troposphere b. Stratosphere
c. Mesosphere d. Thermosphere
129. Identify which water is available for plant uptake?
a. Gravitational water b. Capillary water
c. Combined water d. Hygroscopic water
130. What is the other name of Sustainable development?
a. Our common future b. Green Mission
c. Mission 2030 d. Save Earth
131. Sustainable development has how many goals?
a. 17 b. 12
c. 20 d. 15
132. What is the composition of inner core of the earth?
a. Solid b. Liquid
c. Gas d. All of the above
133. Phosphorus is the main constituent of
a. Both ATP and ADP b. ATP
c. ADP d. APT
134. One horned rhino is found in
a. Panna national park b. Kaziranga national park
c. Jim Corbett national park d. Sundarban national park
135. Which is the basic component that flows in an ecosystem?
a. Energy b. Mass
c. Food chain d. None of the above
136. Ganga Action Plan was initiated by the prime minister
a. Indira Gandhi b. Narendra Modi
c. Rahul Gandhi d. Rajiv Gandhi
137. The loss of chlorophyll causing yellowing of leaf is
a. Chlorosis b. Photosynthesis
c. Chlorolysis d. None of the above
138. IUCN stands for
a. International Union of b. International Unity of Conservation of
Conservation of Nature Nation
c. International Unity of d. Internation Union of Construction of
Construction of Nature Nation
139. A food web consists of
a. Inter-locking food chain b. Producers, consumers and
decomposers
c. A portion of a food chain d. A set of similar consumers
140. Which of the following is a leading cause of biodiversity loss due to changes in land
use and fragmentation of natural habitats?
a. Pollution b. Climate change
c. Deforestation d. Invasive species
141. What is the main driver of the current mass extinction crisis, resulting in the rapid
decline of numerous species?
a. Natural disasters b. Pollution
c. Human activities d. Genetic drift
142. The loss of a variety of plant and animal species in a particular area due to habitat
destruction is known as:
a. Natural selection b. Extinction
c. Erosion d. Ecosystem degradation
143. Which of the following is an example of hazardous waste?
a. Food waste b. Paper waste
c. Radioactive materials d. Glass bottles
144. Hazardous waste that is in a liquid state is often stored in containers called:
a. Drums b. Bins
c. Pallets d. Bags
145. WAS stands for
a. Waste Activated sludge b. Waste Activated system
 c. Waste affected slurry d. Waste activation stock
146. Which water is not available for plant uptake?
a. Hygroscopic and Combined b. Hygroscopic and capillary water
water
c. Gravitational and d. Gravitational and Combined water
Hygroscopic water
147. What does SIAL layer contain?
a. Silicon and Aluminium b. Sulphur and Aluminium
c. Strontium and Ammonium d. None of the above
148. The maximum quantity of fresh water occurs in
a. River b. Groundwater
c. Polar ice caps and Glaciers d. Sea-water
149. The second trophic level in a lake is
a. Benthos b. Phytoplanktons
c. Zooplanktons d. Fungi
150. Which of the following ozone is harmful to human health?
a. Stratospheric ozone b. Tropospheric ozone

c. Laboratory ozone d. Lithospheric ozone

Group – B
Module-1
1. What is sustainable development? How many goals do sustainable have? Name
at least five 5
2. Classify the different classes of water in hydrosphere? 5

3. Discuss the layers of lithosphere? 5

4 Discuss the different structures of the atmosphere? 5

5 What is positive, negative and zero lapse rate? 5

6 What is solar energy? Explain advantages and disadvantages of solar energy? 5

7 What are the effects of excessive ground water usage? 5
8 What are the steps to prevent soil erosion? 5
9 Mention three events leading to Environmental Degradation. 5
10 Write down the name of major components of environments. 5
11 Write down the dis-advantage of renewable and non-renewable energy. 5
12 What is thermochemical conversion of biomass? Explain the different types of 5
thermochemical conversion with examples?
Module 2
13 What do you mean by hot spots of biodiversity? Name and briefly describe the 5
hot spots of biodiversity in India.
14 Community is a social ecosystem…. Justify whether it is true or not. 5
15 What do you mean by food web? Explain with examples. 5
16 What are the producers, consumers and decomposers in estuarine ecosystem. 5
Explain
17 Explain the importance of mangroves. 5
18 Write a short note on Nitrogen cycle 5
19 What are upright and inverted pyramid of number? Give examples of each 5

20 Explain biogeochemical cycle of sulphate? 5

21 Explain biogeochemical cycle of carbon-dioxide? 5
22 What is ecological succession? Describe primary and secondary succession? 5
23 What are the different types of ecological pyramid? Give examples of each. 5
24 What is pyramid of energy? Explain with diagram? 5
25 Define biodiversity. Name the scientist who coined the term biodiversity. Explain 5
the different types of biodiversity.
26 Explain the different types of ecosystem diversity with examples. 5
27 What are the possible causes of the threat to biodiversity? 5
28 What are the objectives of biodiversity conversation? 5
29 What is a biosphere reserve? What is the criteria to be a biosphere reserve? 5
Module 3 5
31 What do you mean by noise pollution? Write some effects of noise pollution on 5
human health.
32 Explain the process of solid waste composting? 5
33 Discuss landfill in detail 5
34 What do you mean by incineration? Explain in detail 5
35 Write a note on ‘WATER PREVENTION AND CONTROL OF POLLUTION’ 5
Act, 1974.
36 Describe Air prevention and Control of Pollution Act 1974. 5
37 Explain types of pollutants with examples of each class? 5
38 Explain with equations what is marble cancer?
5
39 What is ozone and why it is important? 5
40 What are the effects of air pollutants on human health? 5
41 What are the effects of air pollutants on atmosphere? 5
42 Explain green house effect? Name five green house gases? 5
43 What is point and non-point source pollution? Explain with examples 5

44 What is the relation between BOD and COD? 5

45 Write a note on Wildlife protection Act, 1972 5
46 Write a note on Air Act, 1981 5
Module 4 5
47 What is health? Write some characteristics of a healthy person. 5
48 How does disease originate? 5
49 Write down the name of different diseases that originate from the following types: 5
(i)Vector-borne diseases (ii) Water-borne diseases (iii) Food-borne diseases
50 What are the impacts of population growth on human health and welfare? 5

51 Write a short note on carbon footprint. 5

52 Write short note on Silent Valley movement. 5
53 Explain National green tribunal and its importance? 5
54 What is Swachh Bharat Abhiyan? 5
 Group – C
Module-1
1. Define sustainable development. Give examples
3
2 Explain the importance of environmental study.
3
3 Write a short note on stratosphere 3
4 Write down the difference between renewable and non-renewable energy. 3
5 Why non-renewable energy is not sustainable. 3
6 Explain environmental lapse rate? 3
7 Describe the composition of crust? 3
8 Describe the composition of core? 3
9 Describe the composition of mantle? 3
10 Explain tropopause, stratopause and mesopause? 3
11 Explain gravitational water and capillary water?
3
12 Explain hygroscopic water and combined water? 3
13 What are energy resources? What are the types of energy resources with
3
examples?
14 What is wind energy? Explain the advantages and disadvantages of wind
energy?
3
15 What is biomass? Give examples of biomass? 3
16 What is fermentation of biomass? Give examples. 3
17 What are land resources? Explain the importance of land resource 3
18 What is land degradation? What are the impacts of land degradation? 3
19 What is desertification? What are the causes of desertification? 3
20 What are the causes of flood and drought? 3
Module 2
21 What are ecological pyramids? 3
22 How is energy transformed and transferred as it flows through the food
3
chain?
23 What is ecosystem? 3
.24 Write the different kinds of food chain in eco-system. 3
25 Define food chain. Give examples 3
26 Write some components of forest resource. 3
27 Define resources. Give examples. 3
28 Write the different types of energy resource. Explain with example 3
29 What are the main objectives of conservation of biodiversity? 3
30 Explain in-situ and ex-situ conservation of biodiversity. 3
31 Write in detail the three major components of biodiversity. 3
32 India is a megadiversity nation……….. Justify the statement. 3
33 What is pyramid of biomass? Give examples 3
34 What is mutualism, commensalism and parasitism? Give examples 3
35 What is predation, competition and neutralism? Give examples 3
Module 3
36 Define air pollution. 3
37 Write the types of air pollutant and discuss in detail. 3
38 What is solid waste? 3
39 Classify solid wastes. 3
40 What is water pollution? Explain the types 3
41 Explain the poisoning effects of Hg in water. 3
42 Noise pollution can be controlled at the source… Justify the statement. 3
43 Explain ‘AIR PREVENTION AND CONTROL OF POLLUTION’ Act,
1981. 3
44 What is acid rain? 3
45 What are the effects of gaseous pollutants CO2, Pb and SO2 in human
3
body?
46 What are primary and secondary pollutants? Give examples of each 3
47 What is photochemical smog? 3
48 Write a short note on eutrophication? 3
49 How solid waste management can be executed? 3
50 Explain Convention on Biological diversity? 3
51 Write a short note on Ramsar Convention? 3
52 Write a short note on CITES 3
Module 4

53 Write a short note on Narmada Bachao Andolan? 3

54 Write a short note on National Green Corps? 3
55 Write a short note on National Environment Awareness Campaign? 3
56 Discuss case studies related to use of CNG vehicles in Kolkata? 3

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