Environmental Studies-2


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Multiple Choice Questions (MCQs)

Natural Resources and Associated Problems

1   Which of the following is not a renewable resource?
    (A)   Coal
    (B)   Wind power
    (C)   Geothermal energy
    (D)   Dentrothermal energy

2   Forest is responsible for a
    (A)   Watershed protection
    (B)   Land erosion control
    (C)   Providing economic and environmental benefits
    (D)   All of given

3   Any material that can be transformed into more valuable and useful product or service is called
    (A)   Resource
    (B)   Mineral
    (C)   Product
    (D)   None of the above

4   India has largest reserve of —————after Brazil.
    (A)   Iron ore
    (B)   Bauxite
    (C)   Coal
    (D)   Copper

5   A sudden uncontrolled descent of a mass of earth under the force gravity is called.
    (A)   Soil erosion
    (B)   Mining
    (C)   Landslide
    (D)   Earth quake

6   Hydroscopic and combined water
    (A)   Are used by plants during transpiration
    (B)   Stored in xylem tissues of plants
    (C)   Are of no use for plants
    (D)   Compensate for loss due to evapotranspiration by plants

7   The constituents of producer gas are.
    (A)   25 percent water vapour, 75 percent methane
    (B)   42percent methane, 8 percent propane, rest is carbon dioxide.
    (C)   55 percent methane, 45percentcarbon dioxide
    (D)   45percent methane, 20percent carbon dioxide, 35 percent propane

8   The least quality of the coal with 95%carbon content and 5% volatile matter is
    (A)   Lignite coal
    (B)   Anthracite coal
    (C)   Bituminous coal
    (D)   Peat coal

9   Which of the following methods of timber extraction cause minimum environmental damage?
    (A)   Clear felling
    (B)   Hand logging
    (C)   Selective logging
    (D)   Reduced impact logging

10   The main purpose of dam construction
    (A)   Irrigation
    (B)   Flood control
    (C)   Hydroelectricity
    (D)   Provide water to industry

11   Which one of the following is an example of Non – Renewable Energy Resource?
    (A)   Wind
    (B)   Vegetation
    (C)   Coal & Minerals
    (D)   Water

12   Who have started reducing emissions from deforestation and forest degradation?
    (A)   Russia & Europe
    (B)   UK & Brazil
    (C)   United States & World Bank
    (D)   All of the Above

13   What was the approximate world population of humans in the year 2008?
    (A)   667 million
    (B)   66 billion
    (C)   6.67 billion
    (D)   6.67 million

14   Dam makes Water Toxic _ _ _ _
    (A)   TRUE
    (B)   FALSE
    (C)   Both
    (D)   None of the above

15   Industrialized agriculture involves use of _ _ _ _
    (A)   Fossil Fuel
    (B)   Water
    (C)   Commercial Fertilizers
    (D)   All of the Above

16   When the concentration of nitrates in water exceeds 45 mg/L, they become the cause of a serious health hazard called _ _ _ _
    (A)   Leukemia
    (B)   Blue baby syndrome
    (C)   Cancer
    (D)   Paralysis

17   Which is not true?
    (A)   Lithosphere includes the crust and the uppermost mantle
    (B)   Lithosphere is underlain by the atmosphere
    (C)   Lithosphere provides Timber
    (D)   Lithosphere is broken into tectonic plates

18   The biggest crises of the 21st century was caused due to _ _ _ _
    (A)   Short fall in over all crop production in the world
    (B)   Short fall in over all crop production in India
    (C)   Short fall in over all crop production in Asia
    (D)   None of the above

19   Green revolution takes place in year _ _ _ _
    (A)   1969/70 till 1979/80
    (B)   1963/64 till 1973/74
    (C)   1967/70 till 1977/78
    (D)   1946/47 till 1956/57

20   Soil erosion due to mining is _ _ _ _ times more than all rivers
    (A)   10
    (B)   20
    (C)   30
    (D)   15

21   Which is false about biosphere?
    (A)   It is the global sum of all the ecosystems
    (B)   It can also be called the zone of life on Earth
    (C)   It does not contain microbes
    (D)   It has evolved at least some 3.5 billion years ago

22   Which option below is not an example of pollution?
    (A)   Smog in Delhi
    (B)   Nuclear waste
    (C)   Overpopulation
    (D)   Untreated sewage

23   Which one of the not a disadvantages of the big dam?
    (A)   Extremely expensive
    (B)   Flooding of prime arable land
    (C)   Electric energy generated from hydropower
    (D)   Blocking upstream migration of salmon

24   This area has no permanent roads or settlements and is maintained primarily for its primitive character and non-motorized recreation. It is a…………………………..
    (A)   Wilderness area
    (B)   Primitive recreation area
    (C)   National park
    (D)   National forest

25   Which is true?
    (A)   Oxygen content may not get reduced if forest cover is not sufficient on the earth
    (B)   Forests can be said to behave like non-renewable resources if not overused.
    (C)   Fishes are capable of reproducing at the rate at which they are being caught.
    (D)   None of the above

26   Non-renewable resources once used…………
    (A)   Remain on earth in a different form
    (B)   Become waste material
    (C)   Are recycled
    (D)   All of the above

27   Which one of the following is an example of non-renewable resources?
    (A)   Wind
    (B)   Vegetation
    (C)   Coal and Minerals
    (D)   Water

28   Which one of the following in not a fossil fuel?
    (A)   Petroleum
    (B)   Coal
    (C)   Natural gas
    (D)   Uranium

29   _________________ is the major raw material for biogas.
    (A)   Tree leaves
    (B)   Grass
    (C)   Cow dung
    (D)   Waste from kitchen

30   The earth’s surface covered by water is ________
    (A)   75%
    (B)   80%
    (C)   60%
    (D)   65%

31   What is true of Ecosystem?
    (A)   Primary consumers are least dependent upon producers
    (B)   Primary consumers outnumber producers
    (C)   Producers are more than primary consumers
    (D)   Secondary consumers are largest and powerful

32   Pick up the correct food chain
    (A)   Grass-chameleon-insect-bird
    (B)   Grass-fox-rabbit-bird
    (C)   Fallen leaves-bacteria-insect larvae
    (D)   Phytoplankton-zooplankton-fish

33   Association of animals when both partners are benefited
    (A)   Mutualism
    (B)   Colony
    (C)   Commensalism
    (D)   Ammensalism

34   The dominant second tropic level in a lakh ecosystem is
    (A)   Plankton
    (B)   Phytoplankton
    (C)   Benthos
    (D)   Zooplankton

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