Free & Premium Study Material · Online Courses · Instant Download+91 99398 78821 · support@downloadstore.in
downloadstoreSTUDY MATERIAL
LoginRegister🛒0

Pollution MCQ

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

Test yourself▶ 25 question test

Q26. Carbonmonoxide is harmful to human beings as it is-

  1. ACarcinogenic
  2. BAntagonistic to CO2
  3. CWith higher affinity for haemoglobin as compared tp oxygen
  4. DDesturctive to O3
Show answer & explanation

Answer: C) With higher affinity for haemoglobin as compared tp oxygen

Q27. Taj Mahal is threatened by pollution from-

  1. AChlorine
  2. BSulphurdioxide
  3. CHydeogen
  4. DOxygen
Show answer & explanation

Answer: B) Sulphurdioxide

Q28. What is full form of BOD ?

  1. ABiological Oxygen Deficit
  2. BBiological Oxygen Difference
  3. CBiological Oxygen Demand
  4. DBiological Oxygen Distribution
Show answer & explanation

Answer: C) Biological Oxygen Demand

Q29. Water pollution of a river is measured by-

  1. AAmount of chlorine dissolve in water
  2. BAmount of ozone dissolve in water
  3. CAmount of nitrogen idssolve in water
  4. DAmount of oxygen dissolve in water
Show answer & explanation

Answer: D) Amount of oxygen dissolve in water

Q30. Which of the following gas do not considered as polluting agent of air ?

  1. ACO2
  2. BCO
  3. CNO2
  4. DSO2
Show answer & explanation

Answer: A) CO2

Q31. Which of the following form of energy do not have the problem of pollution ?

  1. ACoal
  2. BAtom
  3. CPetrol
  4. DSun
Show answer & explanation

Answer: D) Sun

Q32. Cyanide poisoning causes death in seconds because

  1. AIt causes Lysis of red
  2. BIt denatures enzymes of the heart muscle
  3. CIt cause cardiac arrest
  4. DIt breaks the electron
Show answer & explanation

Answer: D) It breaks the electron

Q33. Chief source of water and soil pollution is-

  1. AMining
  2. BThermal power plant
  3. CAgro industry
  4. DAll the above
Show answer & explanation

Answer: D) All the above

Q34. Sound become hazardous noise pollution at level-

  1. AAbove 30 dB
  2. BAbove 80 dB
  3. CAbove 100 dB
  4. DAbove 120 dB
Show answer & explanation

Answer: B) Above 80 dB

Q35. Fish die in water bodies polluted by sewage due to-

  1. APathogens
  2. BClogging of gills by silts
  3. CReduction in oxygen
  4. DFoul smell
Show answer & explanation

Answer: C) Reduction in oxygen

Q36. Which of the following produce maximum sound pollution ?

  1. ATop music
  2. BHeavy truck
  3. CJet flight
  4. DNone of these
Show answer & explanation

Answer: C) Jet flight

Q37. National Environmental Engineering research institute is situated in-

  1. ARanchi
  2. BCuttak
  3. CJamsedpur
  4. DNagpur
Show answer & explanation

Answer: D) Nagpur

Q38. Which gas is responsible for global warming ?

  1. AO2
  2. BO2 and CO2
  3. CCO2 and CH4
  4. DCH4
Show answer & explanation

Answer: C) CO2 and CH4

Q39. Ozone layer present in our atmosphere absorb-

  1. ACosmic rays
  2. BInfra-red rays
  3. CUltravoilet rays
  4. DAll rays
Show answer & explanation

Answer: C) Ultravoilet rays

Q40. Spraying of DDT produce pollution of-

  1. AAir
  2. BAir and water
  3. CAir and soil
  4. DAir, water and soil
Show answer & explanation

Answer: D) Air, water and soil

Q41. Which of the following is/are used as disinfectant of water ?

  1. AOxone
  2. BChlorine dioxide
  3. CChloramine
  4. DAll
Show answer & explanation

Answer: D) All

Q42. Which of the following air pollutants gets dissolved in haemoglobin of the blood more rapidly than oxygen ?

  1. APAN
  2. BCarbon dioxide
  3. CCarbon monoxide
  4. DOzone
Show answer & explanation

Answer: C) Carbon monoxide

Q43. Which one of the following gases. Released from bio-gas plant is used as a fuel gas ?

  1. AButane
  2. BPorpane
  3. CMethane
  4. DEthane
Show answer & explanation

Answer: C) Methane

Q44. Ozone hole is maximum over-

  1. AEurope
  2. BAntarctica
  3. CIndia
  4. DAfrica
Show answer & explanation

Answer: B) Antarctica

Q45. Among pollutants which has the most lasting effect-

  1. ACarbon monoxide
  2. BPesticides
  3. CSulphurdioxide
  4. DSmoke from chimney
Show answer & explanation

Answer: B) Pesticides

Q46. Green house effect is-

  1. ACollection of green house gases which rise the temperature of atmosphere
  2. BProduction of flower and vegetable in increased temperature
  3. CProduction of crop in glass house
  4. DNone of these
Show answer & explanation

Answer: A) Collection of green house gases which rise the temperature of atmosphere

Q47. The……lies above the mesosphere and is a region in which temperatures with height.

  1. AStratosphere
  2. BExosphere
  3. CThermospher
  4. DTroposphere
Show answer & explanation

Answer: C) Thermospher

12
← Plant Tissue MCQScientist : Their Contribution in Biology MCQ →
💬