MSBTE
22447 Environmental Studies MCQ with Answers
Unit
no. 1
1. Abiotic environment does not include
a) air
b)
water
c)
soil
d) Plants
Ans: <d >
2. Chief source of energy in environment is ......
a)
Sun
b)
Fire
c)
Moon
d)
Stars
Ans: <a>
3. Energy is returned to
the atmosphere in the form of
a)
potential energy
b)
metabolic energy
c)
heat
d)
vapours
Ans: <c>
4. Which of the
following is the example of impact of development activities on Hydrosphere?
a)
Air Pollution
b)
Soil Pollution
c)
Noise Pollution
d)
Water Pollution
Ans: <d>
5. Zone consisting air,
water and soil is known as....
a)
Atmosphere
b)
Hydrosphere
c)
Biosphere
d)
Lithosphere
Ans: <c >
6. Formation of Ozone
is?
a)
Oxidation Reaction
b)
Reduction Reaction
c)
Photochemical Reaction
d)
None of the above
Ans: <c>
7. One of the following
is not a type of environment.
a)
Physical environment
b)
Man-made environment
c)
Social environment
d)
Hydrosphere
Ans: <d>
8. Social Environment
includes ...
a)
Traditions,
b)
ethics,
c)
Culture
d)
All of the above
Ans: <d >
9. Physical environment
is also called as...
a)
Abiotic environment
b)
Biotic environment
c)
Man-made environment
d)
Psychological environment
Ans: <a>
10. The term environment is derived from an old French word “enviro”
means....
a)
Outside
b)
Inside
c)
Surroundings
d)
Biotic community
Ans: <c >
11. Which of the Following
is not the impact of acid rain?
a)
Acidification of soil
b)
Deterioration of buildings
c)
Loss of crops
d)
Improve the taste of water
Ans: <d >
12. Major cause of
increment in population growth is......
a)
decrease in birth rate
b)
decrease in mortality rate
c)
illiteracy
d)
none of the above
Ans: <b>
13. Which of the
following is not a component of 4Rs?
a)
Reduce
b)
Resell
c)
Reuse
d)
Recover
Ans: <b>
14. Which one of the following is not a recyclable waste?
a)
Metal
b)
Plastic
c)
Sand
d)
Glass
Ans: <c>
15. The 4Rs principle is
applicable for…
a)
Public awareness
b)
Environmental protection
c)
Saving natural resources
d)
All of the above
Ans: <d>
16. Layer which saves life
from harmful effects of UV radiations is known as
a) Ozone
Layer
b) Alpha
Layer
c) Gama
Layer
d) Infra-Red
Layer
Ans: <a >
17. Greenhouse gases which is
present in very high quantity is
a) Prop
hen
b) Ethane
c) Carbon
di-oxide
d) Methane
Ans: <c>
18. Burning of fossil fuels
a) Decrease
green house gases
b) Increase
green house gases
c) Increase
level of oxygen
a) d)Increase
level of ethane
Ans: <b>
19. One which is not
considered as naturally occurring greenhouse gas is
a) Carbon
di-oxide
b) Methane
c) nitrous
oxide
d) ethane
Ans: <d>
20. The most harmful
environmental pollution from nuclear reactor is
a) radioactivity
b) particulate
formation
c) thermal
pollution
d) Noise
Pollution
Ans: <c>
21. Height of ozone above
surface of Earth is
a) 30 – 50
kms
b) 10 – 20
kms
c) 15 – 30
kms
a) 50 – 70
kms
Ans: <c>
22. Ozone layer is found in
....
a) Thermosphere
b) Stratosphere
c) Troposphere
d) Mesosphere
Ans: <b>
23. What type of radiation is
trapped on the earth's surface by the green house effect?
a) UV rays
b) ? -rays
c) X-rays
d) IR rays
Ans: <a>
24. Biotic environment
includes
a) producers
b) consumers
c) decomposers
a) d)All
above
Ans: <d>
25. Greenhouse gases which is
present in very high quantity is
a) Prophen
b) Ethane
c) Carbon
di-oxide
d) Methane
Ans: <c>
26. Color of ozone molecule is
a) Blue
b) White
c) Pale
Yellow
d) Pale
Green
Ans: <a>
27. 71% of earth surface is
covered with:
a) Land
b) Air
c) Water
d) Coal
Ans: <c >
28. Of the total water on the
Earth, fresh water reserves constitue approximately–
a) 70 %
b) 2.7%
c) 27 %
d) 8.9 %
Ans: <b>
29. Nitrous oxide (commonly
called laughing gas) has been a matter of concern to environmentalist recently
because–
a) it is
thought to cause cancer at low concentration
b) it
produce photochemical smog
c) it is a
green house gas
a) None of
the above
Ans: <c>
30. Public awareness of
environment creates ----------------------
a) Environment
protection
b) Environment
degradation
c) Environmental
improvement
d) Environmental
cultivation
Ans: <a>
31. Major cause of Ozone
depletion is due to which chemical ?
a) Chlorofluorocarbons
b) Polyphenols
c) Dioxins
a) None of
the above
Ans: <a>
32. Air is composed of gases,
water vapours and.........
a) dust
particles
b) Rainfall
c) Snowfall
d) light
Ans: <a>
33. What is troposphere?
a) Portion
of air
b) Portion
of water
c) Lowest
layer of atmosphere where we survive
d) Portion
of sky
Ans: <c>
34. How is the atmosphere,
hydrosphere and lithosphere connected ?
a) Hydrological
cycle
b) Nitrogen
cycle
c) Oxygen
cycle
d) Carbon
cycle
Ans: <d>
35. The area where all the
living organisms interact with each other and their environment is
----------------
a) biosphere
b) exosphere
c) mesosphere
d) None of
the above
Ans: <a>
36. Exchange of outgoing and
incoming radiations that keep Earth warm is known as
a) greenhouse
effect
b) radiation
effect
c) infrared
effect
d) ozone
layer depletion
Ans: <a>
37. The portion of the earth
and its environment which can support life is
known as
a) crust
b) exosphere
c) biosphere
d) mesosphere
Ans: <c>
38. “Ozone Hole” is a
------------------------
a) Hole in
the atmosphere
b) Destruction
of ozone layer
c) Hole in
hydrosphere
d) Hole in
atmosphere
Ans: <b>
39. The historical monument
that is affected by acid rain is
a) Taj
Mahal
b) Pyramid
of Egypt
c) Pisa
Tower
d) Golden
Temple
Ans: <a>
40. Ozone is formed in the
upper atmosphere by a photochemical reaction with
a) Ultra violet
solar radiation
b) Infra
red radiation
c) Visible
light
d) All of
the above
Ans: <a>
41. The amount of solar
radiation reaching the surface of the earth is called as
a) Solar
flux
b) Reflected
light
c) Minerals
d) solvents
Ans: <a>
42. Biosphere is
a) The
solid shell of inorganic materials on the surface of the Earth
b) The
thin shell of organic matter on the surface of earth comprising of all the
living things
c) The
sphere which occupies the maximum volume of all the spheres
d) All of
the above
Ans: <b>
43. Which of the following
conceptual sphere of the environment is having the least storage capacity for
matter?
a) Atmosphere
b) Lithosphere
c) Hydrosphere
d) Biosphere
Ans: <a>
44. Acid rain contains.....
a) Sulphuric
acid
b) Hydrochloric
acid
c) Oxalic
acid
d) Acetic
acid
Ans: <a>
45. High level radioactive
waste can be managed in which of the following ways?
a) Open
dumping
b) Composting
c) Incineration
d) Dumping
in sealed containers
Ans: <d>
46. The objective of
environmental education is
a) Raise
consciousness about environmental education
b) To
teach environmentally appropriate behaviour
c) Create
an environmental ethic that fosters awareness about ecological inter-dependence
of economics, social and political
d) All of
the above
Ans: <d>
47. Which of the following is
an example of impact of development activities on the Hydrosphere?
a) Air
pollution
b) Soil
pollution
c) Soil
erosion
d) Water
pollution
Ans: <d>
48. Environmental education is
important only at
a) Primary
school stage
b) Secondary
school stage
c) College
stage
d) All of
the above
Ans: <d>
49. The production of biogas
from the waste is includes in......
a) Reduce
b) Reuse
c) Recycle
d) Recover
Ans: <d>
50. Which one of the following
is an abiotic component of the ecosystem?
a) Bacteria
b) Plants
c) Humus
d) Fungi
Ans: <c>
51. The environment which has
been modified by human activities is called
a) Natural
environment
b) Anthropogenic
environment
c) Modem
environment
d) Urban
environment
Ans: <b>
52. Hydrosphere includes
a) Animal
b) Plants
c) Soil
d) Water
bodies
Ans: <d >
53. Important abiotic factor
in environment include which of the following?
a) Temperature
b) Wind
c) Water
d) All of
the above
Ans: <d>
54. Atmosphere may extents to
a height of ......kms above the earth surface
a) 80
b) 8000
c) 800
d) 8
Ans: <c>
55. Which of the following is
the correct sequence of 4Rs principle in waste hierarchy?
a) Reduce-Reuse-Recycle-Recover
b) Recover-Recycle-Reuse-Reduce
c) Recycle
– Recover – Reuse- Reduce
d) Reuse-Recover-Reduce
- Recycle
Ans: <a>
56. The 4Rs principle is
applicable in…
a) Agriculture
areas
b) Industrial
areas
c) Municipal
areas
d) All of
the above
Ans: <d>
22447 Environmental Studies MCQ with Answers Unit no.1
22447 Environmental Studies MCQ with Answers Unit no.2
22447 Environmental Studies MCQ with Answers Unit no.3
22447 Environmental Studies MCQ with Answers Unit no.4
22447 Environmental Studies MCQ with Answers Unit no.5
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