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Pollution MCQ

47 MCQ questions with answers and explanations · page 1 of 2

Test yourself▶ 25 question test

Q1. Atmosphere of big metropolition cities is polluted most by-

  1. AAutomobil exhausts
  2. BPesticide residue
  3. CHousehold waste
  4. DRadio active fall out
Show answer & explanation

Answer: A) Automobil exhausts

Q2. UV rays coming from Sun, majorly causes which cancer ?

  1. ALungs cancer
  2. BLiver cancer
  3. CMouth cancer
  4. DSkin cancer
Show answer & explanation

Answer: D) Skin cancer

Q3. World environment day is-

  1. A20th Feb
  2. B5th June
  3. C7th June
  4. D10th April
Show answer & explanation

Answer: B) 5th June

Q4. Major aerosol pollutant in jet plane emission is-

  1. ASulphurdioxide
  2. BCarbonmonoxide
  3. CMethane
  4. DFluorocarbon
Show answer & explanation

Answer: D) Fluorocarbon

Q5. The average salinity of sea water is-

  1. A3.5%
  2. B4%
  3. C0.05
  4. D0.06
Show answer & explanation

Answer: A) 3.5%

Q6. Pollutant produced from vehicles which cause mental disease is-

  1. ANO2
  2. BSO2
  3. CPb
  4. DHg
Show answer & explanation

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 :

  1. AArsenic
  2. BSorbitol
  3. CFluoride
  4. DFormaldehyden(e) Uranium
Show answer & explanation

Answer: A) Arsenic

Q8. Natural sources of air pollution are-

  1. AForest fires
  2. BVolcanic eruptions
  3. CDust storm
  4. DSmoke from burning dry leaves
Show answer & explanation

Answer: B) Volcanic eruptions

Q9. The most important indoor air pollutant is-

  1. ASulphur Dioxide
  2. BCarbon Dioxide
  3. CNitrogen Dioxide
  4. DRadon gasn(e) None of these
Show answer & explanation

Answer: D) Radon gasn(e) None of these

Q10. Which of the following is not considered as air pollutant ?

  1. AHydrocarbon
  2. BCarbonmonoxide
  3. CCarbondioxide
  4. DSulphur dioxide
Show answer & explanation

Answer: C) Carbondioxide

Q11. DDT is-

  1. AGreen house gas
  2. BDegradable pollutant
  3. CNondegradable pollutant
  4. DNone of these
Show answer & explanation

Answer: C) Nondegradable pollutant

Q12. Which of the following is green house gases ?

  1. ACO2, O2, NO2, NH3
  2. BCFC, CO2, NH3, N2
  3. CCH4, N2, CO2, NH3
  4. DCFC, CO2, CH4, NO2
Show answer & explanation

Answer: D) CFC, CO2, CH4, NO2

Q13. Which of the following is most effective green house gases ?

  1. AFreone
  2. BMethane
  3. CCarbondioxide
  4. DChloroflurocarbon
Show answer & explanation

Answer: C) Carbondioxide

Q14. Carbon monoxide, emiited by automobiles, prevent transport of oxygen in body due to-

  1. ACombining with oxygen to from carbondioxide
  2. BDestruction of homoglobin
  3. CPsreventing reaction between oxygen and haemoglobin
  4. DForming stable compound with haemoglobin
Show answer & explanation

Answer: D) Forming stable compound with haemoglobin

Q15. Which of the following is the best indicator of SO2 :

  1. ABryophyte
  2. BLichen
  3. CAlgae
  4. DPteridophyte
Show answer & explanation

Answer: B) Lichen

Q16. Among pollutants which has the most lasting effect-

  1. ACarbon monoxide
  2. BPesticides
  3. CSulphur Dioxide
  4. DSmokes from chimneys
Show answer & explanation

Answer: B) Pesticides

Q17. Common indicator organism of water pollution is-

  1. AEscherichia coli
  2. BCholera vibrio
  3. CSalmonella typhi
  4. DEnntomoeba histalytica
Show answer & explanation

Answer: A) Escherichia coli

Q18. Which pollution causes jaundice ?

  1. AWater
  2. BAir
  3. CHand
  4. DThermal
Show answer & explanation

Answer: A) Water

Q19. Which of the following air pollutant affect the nerous system of man ?

  1. ALead
  2. BCadmium
  3. CMercury
  4. DSillica
Show answer & explanation

Answer: A) Lead

Q20. Which of the following is non-biodegredable pollutant ?

  1. APlastic
  2. BDDT
  3. CMurcury
  4. DAll
Show answer & explanation

Answer: D) All

Q21. Taj may be destroyed by-

  1. AFlood in Yamuna
  2. BTemperature mediaed spoilage of marble
  3. CAir pollutant from Mathura refinery
  4. DAll of above
Show answer & explanation

Answer: C) Air pollutant from Mathura refinery

Q22. Minimata disease is due to pollution of-

  1. AOrganic waste into drinking water
  2. BOil spill in water
  3. CIndustrial waste mercury in water
  4. DArsenic into the atmosphere
Show answer & explanation

Answer: C) Industrial waste mercury in water

Q23. The gas leaked out in Bhopal ga tragedy-

  1. ACarbon Monoxide
  2. BEthyle isocynate
  3. CMethyl isocynate
  4. DSO2 and NO2
Show answer & explanation

Answer: C) Methyl isocynate

Q24. Pollutant likely to deplete ozone layer is-

  1. ACarbonmonooxide
  2. BNitrogen Oxides
  3. CChloroflurocarbons
  4. DBoth b and c
Show answer & explanation

Answer: D) Both b and c

Q25. Acid rain is due to-

  1. AExcess production of coal gas
  2. BExcess release of CO2 due to increasing cumbustions and respiration
  3. CExcess release of SO2 and NO2 from burning fossil fuels
  4. DExcess production of gaseous hydrocarbon
Show answer & explanation

Answer: C) Excess release of SO2 and NO2 from burning fossil fuels

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