MCQ 16.Environmental Issues / अध्याय : पर्यावरण के मुद्दे
MCQ Test ( Pick Most appropriate One )
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Q:1
A rain is called acid rain when its pH is
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A
Less than 2 -
B
Less than 7
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C
Less than 5.6
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D
Less than 4.6
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Q:2
_________is a mutagenic pollutant.
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A
Resins
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B
Nitrogen oxides
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C
Organophosphates
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D
Chlorinated hydrocarbons
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Q:3
Brown air causes heart and lung problems and they are carcinogenic. They are caused by
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A
Sulphur dioxide
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B
Nitrogen oxide
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C
Carbon monoxide
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D
Nitric acid
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Q:4
Substance which is not degraded by microorganisms is
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A
Paper
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B
Wood
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C
Plastic
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D
Vegetables
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Q:5
Some times secondary pollutants like ozone, PAN (Peroxyacetyl nitrate), HNO3, H2SO4 formed from primary pollutants are more toxic than primary pollutants. This phenomenon of increased toxicity in pollutants is called
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A
Eutrophication
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B
Green house effect
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C
Synergism
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D
Biomagnification
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Q:6
Ozone day is celebrated on
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A
September, 16
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B
April, 21
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C
December, 25
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D
January, 30
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Q:7
Slash and burn agriculture is a characteristic of
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A
Organic farming
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B
Jhum cultivation
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C
Desertification
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D
Reforestation
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Q:8
Which one of the following does not contribute to Green House Effect?
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A
Oxygen
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B
Carbon dioxide
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C
Methane
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D
Nitrous oxide
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Q:9
Rise of atmospheric temperature because of high concentrations of carbon dioxide is known as
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A
Biomagnifications
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B
Greenhouse effect
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C
Ecotone
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D
Pollution
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Q:10
______________is the most commonly used method to remove particulate matter from the environment.
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A
Electrostatic precipitator
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B
Scrubber
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C
Catalytic converter
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D
Fragmentor