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Q1. Atmosphere of big metropolition cities is polluted most by-
- AAutomobil exhausts
- BPesticide residue
- CHousehold waste
- DRadio active fall out
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Answer: A) Automobil exhausts
Q2. UV rays coming from Sun, majorly causes which cancer ?
- ALungs cancer
- BLiver cancer
- CMouth cancer
- DSkin cancer
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Answer: D) Skin cancer
Q3. World environment day is-
- A20th Feb
- B5th June
- C7th June
- D10th April
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Answer: B) 5th June
Q4. Major aerosol pollutant in jet plane emission is-
- ASulphurdioxide
- BCarbonmonoxide
- CMethane
- DFluorocarbon
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Answer: D) Fluorocarbon
Q5. The average salinity of sea water is-
- A3.5%
- B4%
- C0.05
- D0.06
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Answer: A) 3.5%
Q6. Pollutant produced from vehicles which cause mental disease is-
- ANO2
- BSO2
- CPb
- DHg
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Answer: C) Pb
Q7. Which of the following can be found as pollutants in the drinking water in some parts of India ?nSelect the correct answer using the code given below :
- AArsenic
- BSorbitol
- CFluoride
- DFormaldehyden(e) Uranium
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Answer: A) Arsenic
Q8. Natural sources of air pollution are-
- AForest fires
- BVolcanic eruptions
- CDust storm
- DSmoke from burning dry leaves
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Answer: B) Volcanic eruptions
Q9. The most important indoor air pollutant is-
- ASulphur Dioxide
- BCarbon Dioxide
- CNitrogen Dioxide
- DRadon gasn(e) None of these
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Answer: D) Radon gasn(e) None of these
Q10. Which of the following is not considered as air pollutant ?
- AHydrocarbon
- BCarbonmonoxide
- CCarbondioxide
- DSulphur dioxide
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Answer: C) Carbondioxide
Q11. DDT is-
- AGreen house gas
- BDegradable pollutant
- CNondegradable pollutant
- DNone of these
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Answer: C) Nondegradable pollutant
Q12. Which of the following is green house gases ?
- ACO2, O2, NO2, NH3
- BCFC, CO2, NH3, N2
- CCH4, N2, CO2, NH3
- DCFC, CO2, CH4, NO2
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Answer: D) CFC, CO2, CH4, NO2
Q13. Which of the following is most effective green house gases ?
- AFreone
- BMethane
- CCarbondioxide
- DChloroflurocarbon
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Answer: C) Carbondioxide
Q14. Carbon monoxide, emiited by automobiles, prevent transport of oxygen in body due to-
- ACombining with oxygen to from carbondioxide
- BDestruction of homoglobin
- CPsreventing reaction between oxygen and haemoglobin
- DForming stable compound with haemoglobin
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Answer: D) Forming stable compound with haemoglobin
Q15. Which of the following is the best indicator of SO2 :
- ABryophyte
- BLichen
- CAlgae
- DPteridophyte
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Answer: B) Lichen
Q16. Among pollutants which has the most lasting effect-
- ACarbon monoxide
- BPesticides
- CSulphur Dioxide
- DSmokes from chimneys
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Answer: B) Pesticides
Q17. Common indicator organism of water pollution is-
- AEscherichia coli
- BCholera vibrio
- CSalmonella typhi
- DEnntomoeba histalytica
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Answer: A) Escherichia coli
Q18. Which pollution causes jaundice ?
- AWater
- BAir
- CHand
- DThermal
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Answer: A) Water
Q19. Which of the following air pollutant affect the nerous system of man ?
- ALead
- BCadmium
- CMercury
- DSillica
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Answer: A) Lead
Q20. Which of the following is non-biodegredable pollutant ?
- APlastic
- BDDT
- CMurcury
- DAll
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Answer: D) All
Q21. Taj may be destroyed by-
- AFlood in Yamuna
- BTemperature mediaed spoilage of marble
- CAir pollutant from Mathura refinery
- DAll of above
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Answer: C) Air pollutant from Mathura refinery
Q22. Minimata disease is due to pollution of-
- AOrganic waste into drinking water
- BOil spill in water
- CIndustrial waste mercury in water
- DArsenic into the atmosphere
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Answer: C) Industrial waste mercury in water
Q23. The gas leaked out in Bhopal ga tragedy-
- ACarbon Monoxide
- BEthyle isocynate
- CMethyl isocynate
- DSO2 and NO2
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Answer: C) Methyl isocynate
Q24. Pollutant likely to deplete ozone layer is-
- ACarbonmonooxide
- BNitrogen Oxides
- CChloroflurocarbons
- DBoth b and c
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Answer: D) Both b and c
Q25. Acid rain is due to-
- AExcess production of coal gas
- BExcess release of CO2 due to increasing cumbustions and respiration
- CExcess release of SO2 and NO2 from burning fossil fuels
- DExcess production of gaseous hydrocarbon
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Answer: C) Excess release of SO2 and NO2 from burning fossil fuels