Environmental Studies-5

22447

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Multiple Choice Questions (MCQs)

Environmental Pollution

1   Depending upon the generation of different air pollution, they can be classified as
    (A)   Point source or non-point pollutants
    (B)   Primary And secondary pollutants
    (C)   Natural or anthropogenic pollutants
    (D)   None of the given

2   PAN is a secondary pollutant that
    (A)   Forms when hydrocarbon radical reacts with nitrogen oxide
    (B)   Causes photochemical smog
    (C)   May cause respiratory diseases in humans
    (D)   All of the given

3   Used batteries, mobile phones, calculators and other such stuff are better known as
    (A)   Hazardous waste
    (B)   Solid waste
    (C)   Industrial waste
    (D)   Electronic or e-waste

4   Fluorosis result in
    (A)   Exostosis
    (B)   Increased bone mass
    (C)   Increased trabecular bone volume
    (D)   All of the given

5   More scientific method than BOD to determine water quality parameter
    (A)   COD
    (B)   DO
    (C)   Both of the given
    (D)   None of the above

6   The main discharge form of thermal power plant is
    (A)   Smog
    (B)   Dust particulates
    (C)   Smoke
    (D)   Fly Ash

7   The itai-itai disease of Japan was caused due to
    (A)   Arsenic pollution
    (B)   Cyanide pollution
    (C)   Cadmium pollution
    (D)   Lead pollution

8   The common conversation of solid waste into manure & biogas, using bacteria & fungi is called
    (A)   Recycling of waste
    (B)   Disposal of waste
    (C)   Composting
    (D)   Incineration

9   The pollutants that can be broken down rapidly by the natural process is called as
    (A)   Organic Pollutants
    (B)   Inorganic pollutants
    (C)   Non – Degradable Pollutants
    (D)   Degradable pollutants

10   The rise in Ozone causes
    (A)   Necrosis
    (B)   Abscission
    (C)   Destroying Chlorophyll
    (D)   Disturbing Photosynthesis

11   Primary pollutants means those pollutants
    (A)   Released by Chemical Reaction
    (B)   Released by process of hydrogen
    (C)   Released by process of photosynthesis
    (D)   Released directly into Air

12   Bhopal Gas tragedy occurred at
    (A)   Thermal power plant
    (B)   Biogas Plant
    (C)   Geothermal Plant
    (D)   Pesticide Plant

13   Dental & Industrial problems caused due to excess amount of _ _ _ _
    (A)   Uranium
    (B)   Lead
    (C)   Mercury
    (D)   Fluorides

14   Normal talk creates sound intensity about
    (A)   10 db
    (B)   20db
    (C)   30 db
    (D)   40 db

15   The Noise pollution can have physical, physiological and psychological effects
    (A)   TRUE
    (B)   FALSE
    (C)   Neither TRUE nor FALSE
    (D)   None of the above

16   Industrial revolution in _ _ _ _ made the air pollution a serious problem in
    (A)   African Countries
    (B)   European Countries
    (C)   American Countries
    (D)   South African Countries

17   Taj Mahal is said to be suffering from “Marble Cancer”, what is Marble Cancer?
    (A)   Acidic Rain which corrodes marble
    (B)   Large number of fungus in Taj Mahal marbles
    (C)   Yellowing of the marble on account of Soot particles
    (D)   Smokes filling the Taj Mahal from adjoining industries

18   DDT is
    (A)   Green house gas
    (B)   Non- degradable pollutant
    (C)   Degradable pollutant
    (D)   None of these

19   Greenhouse effect is caused by
    (A)   Green plants
    (B)   Infrared rays
    (C)   UV rays
    (D)   X- Rays

20   How the biological oxygen demand gets affected with the increased presence of organic matter in water?
    (A)   The oxygen demand increases
    (B)   The oxygen demand decreases
    (C)   The oxygen demand remains unchanged
    (D)   None of the above

21   Which of the following devices is suitable for the removal of gaseous pollutants?
    (A)   Cyclone separator
    (B)   Electrostatic precipitator
    (C)   Fabric filter
    (D)   Wet scrubber

22   Which of the following on inhalation dissolves in blood haemoglobin more rapidly than oxygen?
    (A)   Sulphur dioxide
    (B)   Carbon monoxide
    (C)   Ozone
    (D)   Nitrous oxide

23   Smog is
    (A)   A natural phenomenon
    (B)   A combination of smoke and fog
    (C)   Is colourless
    (D)   All of these

24   Air pollution by from automobiles can be controlled by fitting
    (A)   Cyclone separator
    (B)   Electrostatic precipitator
    (C)   Catalytic converter
    (D)   Wet scrubber

25   TajMahal at Agra may be damaged by
    (A)   Sulphur dioxide
    (B)   Chlorine
    (C)   Hydrogen
    (D)   Oxygen

26   Sound becomes hazardous noise pollution at decibel —–
    (A)   Above 80
    (B)   Above 30
    (C)   Above 100
    (D)   Above 120

27   Which gas is responsible for depletion of ozone layer around earth which protects us from harmful UV rays?
    (A)   Chlorofluorocarbons
    (B)   Nitrogen
    (C)   Oxygen
    (D)   Nitrogen oxide

28   Increase in the concentration of pollutants in higher tropic levels is known as
    (A)   Bio magnification
    (B)   Biodegradation
    (C)   Eutrophication
    (D)   Recycling

29   Natural pollution is caused by
    (A)   Volcanic eruptions
    (B)   Vehicle emission
    (C)   Cutting of wood
    (D)   Smoke from industry

30   The man-made pollution, such as the industrial pollution, agricultural pollution etc. are called as
    (A)   Anthropogenic
    (B)   Anti-anthropogenic
    (C)   Semi- anthropogenic
    (D)   Natural

31   The water (prevention and control of pollution) act was enacted in year
    (A)   1981
    (B)   1986
    (C)   1974
    (D)   1972

32   The air (prevention and control of pollution) act was enacted in year
    (A)   1981
    (B)   1986
    (C)   1974
    (D)   1972

33   Noise pollution has been inserted in the air (prevention and control of pollution) act
    (A)   1987
    (B)   1977
    (C)   1967
    (D)   1957

34   Gas leaked in Bhopal tragedy
    (A)   Methyl isocyanate
    (B)   Potassium isothoiocynate
    (C)   Ethyl isocyanate
    (D)   Sodium isothicocyanate

35   BOD is
    (A)   A measure of the organic matter present in water
    (B)   Usually less than COD
    (C)   Biochemical oxygen demand
    (D)   All of the above

36   Fluoride pollution mainly affects
    (A)   Kidney
    (B)   Brain
    (C)   Heart
    (D)   Teeth

37   Sound becomes hazardous noise pollution at decibels
    (A)   Above 80
    (B)   Above 30
    (C)   Above 100
    (D)   Above 120

38   Natural sources of air pollution come from
    (A)   Internal combustion engines
    (B)   Coal-fired electrical plants
    (C)   Salt from sea spray, cattle, soil dust, volcanic dust
    (D)   Evaporation of solvent

39   Particulate matter dispersed as aerosols
    (A)   Includes nitrogen oxides
    (B)   May cause damage to respiratory tissues when inhaled
    (C)   Binds with haemoglobin, preventing haemoglobins binding with oxygen
    (D)   Interacts only with surface tissues of humans, causing mils irritation

40   The most obvious cause of industrial smog is
    (A)   Burning trash
    (B)   Fires for heating food
    (C)   Indoor air pollution
    (D)   Burning fossil fuels

41   What is Kyoto protocol?
    (A)   It is an agreement among countries to take steps for reducing global warming.
    (B)   It is an agreement among countries to take steps for reducing acid rain
    (C)   It is an agreement among countries to take steps for planting trees
    (D)   It is an agreement among countries to take steps to start using nuclear energy

42   As per world wide fund for nature, the river —–is one of the ten most endangered rivers in world
    (A)   Ganga
    (B)   Jamuna
    (C)   Brahmaputra
    (D)   Mahanadi

43   The disease cholera, typhoid and jaundice are due to pollution of
    (A)   Air
    (B)   Water
    (C)   Food items
    (D)   Solid waste

44   Ultraviolet radiation from sunlight causes the reaction then produces
    (A)   Fluorides
    (B)   Ozone
    (C)   Carbon monoxide
    (D)   Sulphur dioxide

45   Fish die in water polluted by sewage due to
    (A)   Pathogens
    (B)   Reduction in O2
    (C)   Clogging of gills by silt
    (D)   Foul smell

46   Greenhouse effect is caused by
    (A)   Green plants
    (B)   Infrared rays
    (C)   UV rays
    (D)   X-rays

47   Which of the following pollutions forms heat island?
    (A)   Water
    (B)   Air
    (C)   Land
    (D)   None of this

48   The concentration of which gas is highest in our environment
    (A)   Oxygen
    (B)   Hydrogen
    (C)   Nitrogen
    (D)   Carbon dioxide

49   Which of the following is not as a consequence of global warming?
    (A)   Rising sea level
    (B)   Increased agricultural productivity worldwide
    (C)   Worsening health effects
    (D)   Increased storm frequency and intensity

50   Which of the following is not a primary contributor to the green house effects?
    (A)   Carbon dioxide
    (B)   Carbon monoxide
    (C)   Chloro-fluoro carbons
    (D)   Methane gas

51   The increased in concentration of CO2 in our environment in last 50 years, since 1960 is above
    (A)   20%
    (B)   10%
    (C)   14%
    (D)   6%

52   The depletion in ozone layer is caused by
    (A)   Nitrous oxide
    (B)   Carbon dioxide
    (C)   Chlorofluorocarbons
    (D)   Methane

53   Which of the following is not a major source of ground water contamination?
    (A)   Agricultural products
    (B)   Landfills
    (C)   Septic tanks & underground storage tanks
    (D)   All of the above are the major source of ground water contamination

54   The source of most outdoor noise worldwide is construction and
    (A)   Agriculture
    (B)   Forestry
    (C)   Mining
    (D)   Transportation

55   Prolonged exposure to any sound louder than —– dB can cause hearing loss
    (A)   10
    (B)   60
    (C)   85
    (D)   130

56   Natural pollution is caused by
    (A)   Volcanic eruptions
    (B)   Vehicle emissions
    (C)   Cutting of woods
    (D)   Smoke from industry

57   Carbon dioxide is example of
    (A)   Artificial pollutant
    (B)   Quantitative pollutant
    (C)   Qualitative pollutant
    (D)   None of these

58   The pollutants occur as solid and liquid state are referred as
    (A)   Foam
    (B)   Fog
    (C)   Particulate pollutant
    (D)   Gaseous pollutant

59   Cotton dust produces lung fibrosis, called as
    (A)   Byssinosis
    (B)   Silicosis
    (C)   Siderosis
    (D)   None of these

60   An accidental discharge of petroleum in oceans is called
    (A)   Oil leak
    (B)   Oil milk
    (C)   Oil spills
    (D)   Oil waste

61   Increased in the concentration of soluble salts in the soil is called
    (A)   Solidification
    (B)   Soluble-soil
    (C)   Salination
    (D)   Desalination

62   The unit of sound level is
    (A)   Decibel
    (B)   Noise-meter
    (C)   Dolphan
    (D)   Option:

63   Noise level beyond —– db cause physical discomfort
    (A)   1120
    (B)   10
    (C)   120
    (D)   0

64   Summer smog is also known as
    (A)   Photochemical smog
    (B)   Particulate smog
    (C)   Industrial smog
    (D)   Sulphurous smog

65   DDT is —–
    (A)   Green house gas
    (B)   Non-degradable pollutant
    (C)   Degradable pollutant
    (D)   None of these

66   Smaller particles such as dust, smoke etc. which remain suspended for long period in the air are —–
    (A)   Settable particles
    (B)   Suspended particles
    (C)   Gaseous pollutants
    (D)   Micro pollutants

67   Which of following is not normally pollutant?
    (A)   Carbon monoxide
    (B)   Carbon dioxide
    (C)   Hydrocarbons
    (D)   Sulphur dioxide

68   Which of the following are common sources of air pollution?
    (A)   Motor vehicles
    (B)   Wood heaters
    (C)   Fires
    (D)   All of these

69   Disease caused by eating fish inhabiting mercury contaminated water —–
    (A)   Bright disease
    (B)   Hiroshima disease
    (C)   Minamata disease
    (D)   None of these

70   Which of the following are likely to be present in photochemical smog?
    (A)   Sulphur dioxide
    (B)   Sulphur
    (C)   Chlorofluorocarbon
    (D)   Ozone

71   Which of the following is a biodegradable organic chemical?
    (A)   Plastics
    (B)   Oil
    (C)   Pesticides
    (D)   Garbage

72   Which of the following devices is suitable for removal of gaseous pollutants?
    (A)   Cyclone separator
    (B)   Electrostatic precipitator
    (C)   Fabric filter
    (D)   Wet scrubber

73   Which of the following is not greenhouse gas?
    (A)   Carbon dioxide
    (B)   Sulphur dioxide
    (C)   Methane
    (D)   Nitrogen

74   BOD stands for —–
    (A)   Biological oxygen demand
    (B)   Bio-chemical oxygen demand
    (C)   Bio-chemical ozone demand
    (D)   Biological oxygen deficiency

75   Pesticides also called as —–
    (A)   Supercides
    (B)   Biocides
    (C)   Nanocides
    (D)   Caticides

76   Air pollution can harm the health of which of following?
    (A)   Plants
    (B)   Humans
    (C)   Materials
    (D)   All of these

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