1.

_____ includes discarded electrical and electronic devices like computers, mobile
phones etc.
A. E-waste
B. C-waste
C. M-waste
D. None of these
Answer option a
2. Smog is
A. solid waste
B. a combination of smoke and fog
C. colorless
D. All of these
Answer option b
3. Air pollution from automobiles can be controlled by fitting ____
A. Cyclone separator
B. Electrostatic precipitator
C. Catalytic convertor
D. Wet scrubber
Answer option c
4. Gas leaked in Bhopal tragedy was _____
A. Methyl isocyanate
B. Potassium isothiocyanate
C. Ethyl isocyanate
D. Sodium isothiocyanate
Answer option a
5. What is BOD?
A. A measure of organic matter present in water
B. Usually less than COD
C. Biochemical oxygen demand
D. All of the above
Answer option d
6. Excess fluoride in drinking water is likely to cause _____
A. Blue baby syndrome
B. Fluorosis
C. Change in taste and odor
D. Intestinal irritation
Answer option b
7. Which of the following is a non-point source of water pollution?
A. Factories
B. Sewage treatment plants
C. Urban and suburban lands
D. All of these
Answer option c
8. Tropospheric ozone
A. protects earth from harmful UV radiation
B. binds with hemoglobin preventing binding with oxygen in RBCs
C. is a secondary pollutant
D. is caused by poor farming techniques
Answer option c
9. Photochemical fog differs from industrial smog in that it
A. is formed in the presence of sunlight
B. has large quantities of soot
C. consists of primary pollutants
D. is primarily composed of CO
Answer option a
10. The most obvious cause of industrial smog is
A. burning trash
B. indoor air pollution
C. burning fossil fuels
D. generation of nuclear power
Answer option c
11. Air pollution can harm the health or comfort of which of the following?
A. plants
B. materials
C. humans and other animals
D. all of these
Answer option d
12. Incomplete burning of petrol or disease in vehicles creates _______ gas which
is very poisonous.
A. Carbon dioxide
B. Carbon monoxide
C. Methane
D. Ozone
Answer option b
13. Which gas is primarily responsible for depletion of ozone layer around the
earth?
A. Chlorofluoro carbons
B. Nitrogen
C. Oxygen
D. Nitrogen oxide
Answer option a
14. The diseases cholera, typhoid and jaundice are due to pollution of ____.
A. air
B. water
C. food items
D. solid waste
Answer option b
15. Which of the following is not a greenhouse gas?
A. Carbon dioxide
B. CFCs
C. Methane
D. Oxygen
Answer option d
16. Normal human ear can detect sounds ranging between ______.
A. 0-150 dB
B. 0-140 dB
C. 0-120 dB
D. 0-100 dB
Answer option b
17. Which of the following is a source of household noise?
A. mixer
B. loudspeaker
C. washing machine
D. all of these
Answer option d
18. Which of the following is a subsurface source of water?
A. Rivers
B. Springs
C. Wells
D. Lakes
Answer option c
19. Air pollution can harm the health or comfort of which of the following?
A. plants
B. materials
C. humans and other animals
D. all of these
Answer option d
20. The 4Rs principle is applicable for…
a) Public awareness
b) Environmental protection
c) Saving natural resources
d) All of the above
Answer option d
21. Burning of fossil fuels
a) Decrease greenhouse gases
b) Increase greenhouse gases
c) Increase level of oxygen
d) Increase level of ethane
Answer option b
22. Ozone layer is found in ....
a) Thermosphere
b) Stratosphere
c) Troposphere
d) Mesosphere
Answer option b
23. Biotic environment includes
a) producers
b) consumers
c) decomposers
d)All above
Answer option d
24. What is troposphere?
a) Portion of air
b) Portion of water
c) Lowest layer of atmosphere where we survive
d) Portion of sky
Answer option c
25. Air is composed of gases, water vapours and.........
Recall/ Remembering
a) dust particles
b) Rainfall
c) Snowfall
d) light
Answer option a
26. _____% of the Earth’s surface is covered with water.
a) 20
b) 80
c) 71
d) 100
Answer option c
27. Write example of Non-metallic minerals Identify the uses of water
a) domestic
b) industrial
c) agricultural
d) All the above
Answer option d
28. Energy resources derived from natural organic materials are called ________
a) geothermal energy sources
b) fossil fuels
c) biomass
d) All of the above
Answer option b
29. Conservation of soil and water is which type of function of forest resources?
a) Productive
b) Protective
c) Regulative
d) none
Answer option b
30. Which energy is converted into electrical energy by a solar cell ?
a) Chemical Energy
b) Nuclear Energy
c) Solar energy
d) Magnetic Energy
Answer option c
31. Renewable source of energy is_____
a) coal
b) petroleum
c) plants
d) uranium
Answer option c
32. What is LPG?
a) liquefied petroleum gas
b) Loaded petroleum gas
c) liquid petroleum gas
d) None of the above
Answer option a
33. The resources which can be used again and again after passing through some
processes are known
as____
a) Renewable resources
b) Non-renewable resources
c) Cyclic resources
d) All of the above
Answer option c
34. Which of the following is an example of cyclic resource?
a) water
b) oil
c) coal
d) none of the above
Answer option a
35. The term resource depletion is commonly associated with.......
a) water uses
b) fossil fuel consumption
c) trees and fishing
d) All of the above
Answer option d
36. One of the Manmade Causes of Landslides _________
a) Rain
b) Unsafe Mining Activities
c) Cyclones
d) Earthquakes
Answer option b
37. What happens when natural resources become scarce because they are consumed
fast?
a) resource depletion
b) resource creation
c) resource ends
d) none
Answer option a
38. Solar energy is clean, noise free and renewable form of energy which causes
a) pollution
b) no pollution
c) Both a and b
d) None of the above
Answer option b
39. Fossils fuel is an important source of energy for
a) transport
b) homes
c) industries
d) all of them
Answer option d
40. Why there is a need of energy conservation?
a) limited resources
b) continuous increase in demands
c) exhausted of the energy
d) All of the above
Answer option d
41. Which of the following is a disadvantage of renewable energy?
a) High pollution
b) Available only in few places
c) High running cost
d) Unreliable supply
Answer option d
42. ___and ___are the most used energy fuels for generating electricity.
a) Coal and natural gas
b) wind and hydro power
c) tidal and hydro power
d) solar and wind power
Answer option a
43. Resources that can be replenished naturally in the course of time are called
________
a) cyclic resources
b) Renewable Resources.
c) non-renewable Resources.
d) none
Answer option b
44. Solar energy is _________ form of energy
a) conventional
b) nonconventional
c) both a and b
d) none
Answer option b
45. About _____% of the earth’s water is strong saline.
a) 50
b) 25
c) 97
d) 100
Answer option c
46. Forest is responsible for
a) water shed protection
b) land erosion control
c) providing economic and environmental benefits
d) All of the above
Answer option d
47. Any material that can be transform into more valuable and useful product for
all service is called
as
a) resource
b) minerals
c) product
d) None of the above
Answer option a
48. which of the following is not renewable resources?
a) coal
b) wind power
c) Geothermal energy
d) thermal energy
Answer option a
49. Burning of fossil fuels
a) decreases greenhouse gases
b) increases greenhouse gases
c) increase level of oxygen
d) increase level of ethane
Answer option b
50. Green revolution is associated with ---------------
a) sericulture
b) agriculture
c) fish culture
d) None of the above
Answer option b