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Pollution (Air and Noise) (Civil Engineering) - MCQs


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Q1.
What type of noise can be abated by providing lining on walls and ceiling with sound absorbing materials ?
  • A. Source noise
  • B. Reflection noise
  • C. Structural noise
  • D. Direct air -borne noise

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Q2.
Chlorophyll loss in green plants is called :
  • A. Necrosis
  • B. Chlorosis
  • C. Epinasty
  • D. Abscission

    Discuss    
Q3.
Chlorophyll loss in green plants is called :
  • A. Necrosis
  • B. Chlorosis
  • C. Epinasty
  • D. Abscission

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Q4.
Killing of tissue from air pollutants is called :
  • A. Necrosis
  • B. Chlorosis
  • C. Abscission
  • D. Epinasty

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Q5.
Epinasty in leaves is due to :
  • A. downward curvature of leaves
  • B. killing of tissues
  • C. loss of chlorophyll
  • D. all of the above

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Q6.
Carbon monoxide has more affinity with haemoglobin than oxygen for about :
  • A. 2000 times
  • B. 100 times
  • C. 200 times
  • D. 20 times

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