EST-MCQ (1st & 2nd Chapter)

MCQ's on 1st & 2nd Unit
1.Nuclear accidents _______ global temperature.

a) Increase b) Decrease c) Multiply d) None
Answer: - Option A
2.Zone consisting air, water and soil is known as....

a) Atmosphere b) Hydrosphere c) Biosphere d) Lithosphere
Answer: - Option C
3.Physical environment is also called as…

a) Abiotic environment b) Biotic environment
c) Man made environment d) Psychological environment
Answer: - Option A
4.The production of biogas from the waste is includes in...…

a) Reduce b) Reuse c) Recycle d) Recover
Answer: - Option D
5.___% of the Earth's surface is covered with water.

a) 20 b) 80 c) 71 d) 100
Answer: - Option C
6.Formation of Ozone is___?

a) Oxidation Reaction b) Reduction Reaction
c) Photochemical Reaction d) None of the above
Answer: - Option C
7.Land covers up only _____% of the earth‟s surface

a) 10 b) 29 c) 40 d) 30
Answer: - Option b
8.For sustainable development _____ R are followed

a)5 b)2 c)4 d)3
Answer: - Option C
9.Acid rain occurs due to dissolution of ______ in rain water

a)Gases b)Particles c)Smoke d)Soot
Answer: - Option a
10Hydrosphere covers about _______ of the surface of earth

a)70% b)90% c)60% d)50%
Answer: - Option a
11.Color of ozone molecule is____

a)Pale Blue b)White c)Pale Yellow d)Pale Green
Answer: - Option a
12.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
Answer: - Option a
13.DDT is a pesticide which is____

A. Not soluble in water B. More soluble in fat than water
C. Less soluble in fat than water D. Not soluble in fat
Answer : B
14.Environmental friendly products are given ISO certification called ISO___.

A.12000 B.13000 C.14000 D.15000
Answer : C
15.National Science Day is celebrated on_______

A.22 Feburary B.28 Feburary C.26 Feburary D.27 Feburary
Answer : B
16.The word „Environment‟ is derived from_____

A. Greek B. French C. Spanish D. English
Answer : B
17.World environment day is on____

A.5 May B.5 June C.18 July D.16 August
Answer : B
18.The Global Action plan adopted at Earth summit held at Rio de Janeiro in June
1972 is also known as______
A. Agenda 20 B. Agenda 22 C. Agenda 23 D. Agenda 21
Answer : D
19.Opposite of global warming is___

A. nuclear winter B. greenhouse gases C. climate change D. all of above
Answer : A
20.Acid rain is formed due to contribution from the following pair of gases__
A.Methane and Ozone B. Oxygen and Carbon dioxide
C. Methane and Sulphur Dioxide D. Nitrous oxide and Sulphur dioxide
Answer : D
21.Which of these causes the sea level change over flooding due to process of
melting of snow?
(A) Global warming (B) Ozone layer damaging
(C) Both (i) and (ii) (D) None of these.
Answer : C
22.The refrigeration industries contribute one of following gas which adds to

green house effect________
A. Chloro fluoro chloride [CFCI] B. Chloro fluoro carbon [CFC]
C. Chloro fluoro carbonate (CFC) D.None
Answer : B
23.Ozonosphere is a separate layer in stratosphere, at a height of___

A. 10-20 kms from sea level B. 15-30 kms from sea level
C. 30-40 kms from sea level D. None of the above
Answer : B
24.Identify the non Green-House Gas (GHG) from the following:

i) Methane
ii) Nitrous Oxide
iii) CFCs
iv) Carbon Monoxide
Answer:- iv) Carbon Monoxide
25.One chlorine atom is estimated to destroy up to how many ozone molecules

approximately_____
1. About 4 lakh 2. About 3 lakh 3. About 1 lakh 4. About 5 lakh
Answer : 3
26.In japan in 1945,two bombs were dropped on ___and ___.

1. Dresden 2. Tokio 3. Hiroshima and Nagasaki 4.None of the above
Answer : 3
27.sardar sarover project is in_____

1. Andra pradesh 2. Gujrat 3. Uttarakhand 4.None of above
Answer : 2
28.In south,near palghat ____project is developed.

1. Sagar Dam 2. Sardar Sarovar 3. Silent Valley 4. None of above
Answer : 3
29.Mr.Sundarlal Bahuguna headed popular movement(Tree Hugging

Movement)____
1. Chiko Andolan 2.Sardar Sarovar 3.Dam Development 4.None of above
Answer : 1
30 .ozone layer depletion increases global temparature.

A.True B.False
Answer : A
31. Sources of water are___
(1) Surface water (ii) Underground water (iii) Both (i) and (ii) (iv) None
Ans.: (iii)
32.Percentage of total water found as fresh water is______
A. 3% B. 0.75% C. 1% D. 0.68%
Answer : A
33. .A Solar cell is an electrical device that converts the energy of light directly
into electricity by the____________
a) Photovoltaic effect b) Chemical effect
c) Atmospheric effect d) Physical effect
Answer: a
34. In hydroelectric power, what is necessary for the production of power

throughout the year?
a) Dams filled with water b) High amount of air
c) High intense sunlight d) Nuclear power
Answer: a
35. The world‟s first 100% solar powered airport located at ____________
a) Cochin, Kerala b) Bengaluru, Karnataka
c) Chennai, Tamil Nadu d) Mumbai, Maharashtra
Answer: a
36. Where is the largest Wind Farm located in India?

a) Jaisalmer Wind Park, Rajasthan b) Muppandal Wind Farm, Tamil Nadu
c) Vaspet Wind Farm, Maharashtra d) Chakala Wind Farm, Maharashtra
Answer: b
37. Where is the first oil well drilled in Asia?

a) Karachi, Pakistan b) Assam, India
c) Tokyo, Japan d) Kandy, Sri Lanka
Answer: b
38. Which planet is also known as blue planet?

a) Mercury b) Venus c) Earth d) Mars
Answer: c
39. Solar energy is _________ form of energy

a)conventional b)nonconventional c)both a and b d)none
Answer: b
40.Plants get their nitrogen from–

a) Rain b) Soil c) Air d) bed rock
Answer: b
41.Landslides occur near area__.
(i) Forest (ii) Vegetative (iii) Both (i) and (ii) (iv) Deforestation
Ans.: (iv)
42. Photovoltaic cell converts solar energy into________.

a) heat energy
b) mechanical energy
c) electrical energy
d) chemical energy
Answer: c
43. Trapped heat inside the earth is known as___

a) Heat energy
b) geo thermal energy
c) kinetic energy
d) thermal energy
Answer: b
44.Which resource converts carbon di-oxide into oxygen?
a)Forest Resource b)Man-Made Resource c)Natural Resource d)None of above
Answer:a
45._________of World's known biodiversity lives in the rainforest.
(i) 70% (ii) 80% (iii) 60% (iv) 90%
Answer: (ii)
46. who have started reducing emissions from Deforestation and forest
degradation?
(1) Russia and Europe (2) UK and Brazil (3) United States and World Bank (4)All
of above
Answer:(3)
47. Cause of flood is due to _______
(i) Deforestation (ii) Migration (iii) Industrialization (iv) Only(ii) & (iii)
Answer: (i)
48. Water borne disease includes_____
(i) Hepatitis A (ii) Hypothermia (iii) Psychosocial (iv) Cardiovascular incidents

Answer: (i)
49. The food shortage in 1943 in India is____

1) Bengal famine 2) Calcutta famine 3) Kerala famine 4) Karnataka famine
Answer: 1
50. Open cast mining is done for________

(i) Coal (ii) Limestone (iii) Both (i) and (ii) (iv) None
Answer: (iii)

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MCQ's on 1st & 2nd Unit

1.Nuclear accidents _______ global temperature.

2.Zone consisting air, water and soil is known as....

3.Physical environment is also called as…

4.The production of biogas from the waste is includes in...…

5.___% of the Earth's surface is covered with water.

6.Formation of Ozone is___?

7.Land covers up only _____% of the earth‟s surface

8.For sustainable development _____ R are followed

9.Acid rain occurs due to dissolution of ______ in rain water

10Hydrosphere covers about _______ of the surface of earth

11.Color of ozone molecule is____

13.DDT is a pesticide which is____

14.Environmental friendly products are given ISO certification called ISO___.

15.National Science Day is celebrated on_______

16.The word „Environment‟ is derived from_____

17.World environment day is on____

19.Opposite of global warming is___

22.The refrigeration industries contribute one of following gas which adds to

23.Ozonosphere is a separate layer in stratosphere, at a height of___

24.Identify the non Green-House Gas (GHG) from the following:

25.One chlorine atom is estimated to destroy up to how many ozone molecules

26.In japan in 1945,two bombs were dropped on ___and ___.

27.sardar sarover project is in_____

28.In south,near palghat ____project is developed.

29.Mr.Sundarlal Bahuguna headed popular movement(Tree Hugging

30 .ozone layer depletion increases global temparature.

31. Sources of water are___

32.Percentage of total water found as fresh water is______

34. In hydroelectric power, what is necessary for the production of power

36. Where is the largest Wind Farm located in India?

37. Where is the first oil well drilled in Asia?

38. Which planet is also known as blue planet?

39. Solar energy is _________ form of energy

40.Plants get their nitrogen from–

41.Landslides occur near area__.

42. Photovoltaic cell converts solar energy into________.

43. Trapped heat inside the earth is known as___

44.Which resource converts carbon di-oxide into oxygen?

a)Forest Resource b)Man-Made Resource c)Natural Resource d)None of above

45._________of World's known biodiversity lives in the rainforest.

(i) 70% (ii) 80% (iii) 60% (iv) 90%

48. Water borne disease includes_____

(i) Hepatitis A (ii) Hypothermia (iii) Psychosocial (iv) Cardiovascular incidents

49. The food shortage in 1943 in India is____

50. Open cast mining is done for________

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