Option A: Very costly
Option B: Not available
Option C: Inflammable
Option D: Not degraded easily
Correct Answer: Not degraded easily ✔
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Option A: USA/Korea
Option B: Pakistan
Option C: France
Option D: England
Correct Answer: USA/Korea ✔
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Option A: Thermal power plant
Option B: Automobile
Option C: Radioactive power plant
Option D: Hydroelectric power plant
Correct Answer: Hydroelectric power plant ✔
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Option A: Ozone, peroxyacetyl nitrate and No2
Option B: Smoke, peroxyacetyl nitrate and SO2
Option C: Hydrocarbons, SO2 and CO2
Option D: Hydrocarbons, ozone and SO2
Correct Answer: Ozone, peroxyacetyl nitrate and No2 ✔
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Option A: Fungi
Option B: Lichen
Option C: Algae
Option D: Fishes
Correct Answer: Lichen ✔
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Option A: SO2 and CO2
Option B: NO2 and hydrocarbons
Option C: Carbon di-oxide and NO2
Option D: Hydrocarbons and CFCs
Correct Answer: NO2 and hydrocarbons ✔
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Option A: CO
Option B: SO2
Option C: Ozone
Option D: Flourides
Correct Answer: Ozone ✔
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Option A: Carbon di-oxide
Option B: Nitrogen di-oxide
Option C: Carbon monoxide
Option D: Sulphur dioxide
Correct Answer: Carbon di-oxide ✔
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Option A: Air
Option B: Water
Option C: Soil
Option D: Noise
Correct Answer: Noise ✔
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Option A: Excess use of fertilizers
Option B: Addition of wastes on soil
Option C: Reduction in soil productivity
Option D: All of these
Correct Answer: All of these ✔
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Option A: World forest day
Option B: World environment day
Option C: World red cross day
Option D: World food day
Correct Answer: World environment day ✔
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Option A: Micro-organisms
Option B: Green vegetation of an area
Option C: Food crop
Option D: None of these
Correct Answer: Micro-organisms ✔
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Option A: Population explosion
Option B: Nitrogen di-oxide
Option C: Global warming
Option D: Sulphur dioxide
Correct Answer: Population explosion ✔
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Option A: Industrial wastes poured into water bodies
Option B: Extent to which water is polluted with organic compounds
Option C: Amount of carbon monoxide inseparably combined with haemoglobin
Option D: Amount of oxygen needed by green plants during night
Correct Answer: Amount of oxygen needed by green plants during night ✔
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Option A: Heavy metals
Option B: Faecal matter
Option C: Industrial effluents
Option D: Pollen of aquatic plants
Correct Answer: Faecal matter ✔
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Option A: Eichhornia crassipes
Option B: Solanum nigrum
Option C: Hydrilla
Option D: Parthenium hysterophorus
Correct Answer: Eichhornia crassipes ✔
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