MSBTE
22447 Environmental Studies MCQ with Answers
Unit
no. 4
1. The harmful materials in
environment are called__________.
a) Harmtants
b) Pollution
c) pollutants
d) Poland’s
Ans: <c>
2. Basic types of pollutions
are______
a) Natural
pollutions
b) Man-made
pollutions
c) Both
a) and
b)
d) None of
the above
Ans: <c>
3. Which of the following is
not a Natural pollution?
a) Auto
motives
b) Volcano
eruption
c) Forest
fire
d) All of
the above
Ans: <a>
4. Landfill of waste is
basically a _________pollution
a) Land
b) Noise
c) Sewage
d) All of
the above
Ans: <a>
5. Causes of land pollution
are..........
a) Industrialization
b) Mining
c) Agriculture
d) All of
the above
Ans: <d>
6. The Negative Impact Of Land
Pollution is ______
a) Soil
erosion
b) Shifting
of habitat
c) Water
pollution
d) All of
the above
Ans: <d>
7. Which of the following is
not a type of impurities of water ?
a) Pollen
b) Colloidal
c) Dissolved
d) Bacteriological
Ans: <a>
8. Need of water treatment is
a) To
remove dissolved gases
b) To
remove dissolved oxygen
c) To
enhance odour
d) To
enhance colour
Ans: <a>
9. The object of coagulation
is.....
a) To
remove suspended particles
b) To
remove colloidal particles
c) To
remove dissolved particles
d) To
remove bacteria
Ans: <b>
10. On earth ________ is freshwater.
a) 3 %
b) 4 %
c) 5 %
d) 6 %
Ans: <a>
11. Effects of water pollution
on human beings are________
a) Typhoid
b) HIV
c) Dengue
d) Plague
Ans: <a>
12. Spring is a _________
source of water.
a) Surface
b) Sub-surface
c) Both a) and b)
d) All of
the above
Ans: <b>
13. The impact of waste water
on environment is........
a) Noise pollution
b) Nuisance
c) Diseases
d) All of
the above
Ans: <b>
14. Which of the following is
not a tertiary treatment of wastewater?
a) Filtration
b) Removal
of nutrients
c) Chlorination
d) Aeration
Ans: <d>
15. Which of the following is
not a water born disease?
a) Jaundice
b) Cholera
c) Plague
d) Amoebiasis
Ans: <c>
16. Which of the following is
not a primary pollutant of air pollution?
a) Ash
b) Pollen
c) Smoke
d) Smog
Ans: <d>
17. Which of the following is
not a secondary pollutant of air pollution?
a) Acid
rain
b) Ozone
c) Smog
d) Dust
Ans: <d>
18. Effects of air pollution
on environment is_____
a) Global
warming
b) Acid
rain
c) Green
house effect
d) All of
the above
Ans: <d>
19. The particulate matter
suspended in air______
a) Dust
b) Pollen
c) Liquid
droplets
d) All of
the above
a) Ans: <d>
20. Settling chambers
collecting dust of size________.
a) >
10µm
b) <
10µm
c) = 10µm
d) None of
the above
Ans: <a>
21. Gaseous pollutants are
controlled by_____
a) Absorption
b) Adsorption
c) Combustion
d) All of
the above
Ans: <d>
22. The permissible range of
PM 10 for residential area is____
a) 60 -
100
b) 70 -
100
c) 80 -
100
d) 90 -
100
Ans: <a>
23. The permissible range of
PM 2.5 for residential area is____
a) 30 - 60
b) 40 - 60
c) 50 - 60
d) 60 - 70
Ans: <b>
24. ¬¬¬¬¬¬¬_______is a process
where gases, vapors or liquids are concentrated on a solid surface
a) Absorption
b) Adsorption
c) Combustion
d) All of the above
Ans: <b>
25. The World Health
Organization (WHO) defines noise above _________ (dB) as noise pollution.
a) 45 decibels
b) 55 decibels
c) 65 decibels
d) 75 decibels
Ans: <c>
26. Which of the following is
not a physiological effect on human beings?
a) Rise in blood pressure
b) Reduction in vision
c) Heart pain
d) damage nerve system
Ans: <d>
27. Artificial sources of
noise pollution are....
a) Thunder
b) Land slides
c) Earth quake
d) None of the above
Ans: <d>
28. Which of the following is
not a solid waste?
a) Rubber
b) cloth
c) wastewater
d) paper
Ans: <c>
29. High level radioactive
waste can be managed in which of the following ways?
a) Open dumping
b) Incineration
c) Composting
d) Deep burial
Ans: <d>
30. Which of the following is
a biodegradable waste?
a) Plastic
b) Polythene
c) Glass
d) None of the above
Ans: <d>
31. Biomedical waste may be
disposed of by?
a) Incineration
a) Autoclaving
b) Landfilling
c) Both a) and b)
Ans: <d>
32. Which of the following is
a biodegradable organic chemical/substance?
a) Plastic
b) Oil
c) Pesticide
d) Garbage
Ans: <d >
33. Which one the following is
not biodegradable?
a) Vegetable waste
b) Fruit waste
c) Leaves
d) Aluminium foil
Ans: <d>
34. Which of the following is
not a Municipal solid waste?
Market waste
Agriculture waste
Domestic waste
Commercial waste
Ans: <b>
35. Municipal solid waste
includes...
a) Domestic waste
b) Commercial waste
c) Institutional waste
d) All of the above
Ans: <d >
36. The highest heating valve
is of:
a) Garbage
b) Rubbish
c) Hospital waste
d) Industrial waste
Ans: <b>
37. Average generation rate of
MSW is considered as.....
a) 0.4 Kg/capita/day
b) 0.8 Kg/capita/day
c) 1.0 Kg/capita/day
d) 0.2 Kg/capita/day
Ans: <a>
38. Which of the following is
not a component of Sanitary Landfill?
a) Liner
b) Water monitoring well
c) Autoclaving
d) Leachate management
facility
Ans: <c >
39. Which of the following is
a likely characteristic of hazardous waste?
a) Ignitability
b) Corrosively
c) Reactivity
d) Any of the above
Ans: <d>
40. Sources of sound pollution
by defence activities includes:
a) Satellite launching
b) Missile launching
c) Bomb
d) All of the above
Ans: <d>
41. The unit of sound is:
a) decibel
b) Maribel
c) Sensible
d) Pedicel
Ans: <a>
42. Near the airport the noise
pollution level is above _____
a) 100 dB
b) 150 dB
c) 200 dB
d) 250 dB
Ans: <b>
43. As per Central Pollution
Control Board (CPCB) the permissible noise level at night in residential areas
is:
a) 65dB
b) 55 dB
c) 45 dB
d) 35 dB
Ans: <c>
44. Primary treatment of
sewage includes:
a) Screening
b) Grit removal
c) Primary clarifier
d)All of the above
Ans: <d>
45. Types of grit in sewage
treatment includes:
a) Sand
b) Silt
c) Egg shell
d) All of the above
Ans: <d>
46. _______can be used to
remove the nitrates.
a) renitrification
b) gentrification
c) denitrification
d) All of the above
Ans: <c>
47. The BOD content of treated
sewage should not be more than ____ mg/l.
a) 10
b) 20
c) 30
d) 40
Ans: <a>
48. processes to remove
gaseous pollutants by dissolution into a liquid solvent such as water is called
as:
a) Adsorption
b) Absorption
c) Combustion
d) None of the above
Ans: <b>
49. The particulate matter is
controlled by:
a) Cyclone
b) Settling chamber
c) Scrubber
d) All of the above
Ans: <d>
50. Smog is:
a) A natural phenomenon
b) A combination of smoke and
fog
c) Is colourless
d) All of the above
Ans: <d>
51. Fluoride pollution mainly
affects:
a) Kidney
b) Brain
c) Heart
d) Teeth
Ans: <d>
52. 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 the above
Ans: <c>
53. Which of the following is
not a marine pollutant?
a) Oil
b) Plastic
c) Dissolved oxygen
d) All of the above
Ans: <c>
54. Fugitive emissions consist
of
a) Street dust
b) Dust from construction
activities
c) Dust from farm cultivation
d) All of the above
Ans: <d>
55. Noise is
---------------------
a) Huge sound
b) Sound of vehicles
c) Undesirable and unwanted
sound
d) Sound of crackers
Ans: <c>
56. The presence of solid,
liquid or gaseous compounds, in excess concentration in the atmosphere is called
a) Radioactive pollution
b) Soil pollution
c) Water pollution
d) Air pollution
Ans: <d>
57. What is ‘temporary
threshold shift’ ?
a) Hearing loss due to excessive
noise
b) Noise that is intolerable
c) Tolerable noise
d) All of the above
Ans: <a>
58. Which of the following is
an air pollutant?
a) Nitrogen
b) Carbon dioxide
c) Carbon monooxide
d) Oxygen
Ans: <c>
59. The Pollution Standard
Index (PSI) scale has span from
a) 0 - 200
b) 0 - 300
c) 0 - 400
d) 0 - 500
Ans: <d>
60. Which of the following is
not an air pollutant ?
a) Smoke
b) CO2
c) Nitrogen gas
d) Sulphur dioxide
Ans: <c>
61. Which of the following
problems is not created by noise pollution ?
a) Diarrhoea
b) hypertension
c) Deafness
d) Irritation
Ans: <a>
62. A combination of smoke,
fog and chemical pollutants seen in industrialized
cities is known as
------------------
a) Sole
b) Smog
c) Fallouts
d)All of the above
Ans: <b>
63. Air pollution is caused by
a) Smoke
b) Insecticides
c) Sewage
d) Loud speaker
Ans: <a>
64. Which of the following is
not a primary pollutant?
a) SO2
b) Volcanic ash
c) O3
d) CO2
Ans: <c>
65. Which of the followings is
not the physical characteristics of MSW?
a) Density
b) Moisture content
c) pH
d) Porosity
Ans: <c>
66. Which of the followings is
not the chemical characteristics of MSW?
a) Field capacity
b) Carbon
c) Nitrogen
d) Potassium
Ans: <a>
67. Calorific value is ______characteristics
of MSW.
a) Physical
b) Chemical
c) Both a) and b)
d)All above
Ans: <b>
68. Bird menace above dump
site affects aircrafts is.....
a) Public health impact
b) Environmental impact
c) Both a) and b)
d) None of the above
Ans: <b>
69. Sanitary landfilling
is....
a) Engineered method
b) Dumping
c) landfilling
d) None of the above
Ans: <a>
70. Which of the followings is
not a health care facility?
a) Mortuaries
b) Funeral services
c) Path Labs
d) Institution
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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