Causes of Pollution Biology MCQs Quiz Online PDF Download

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MCQs on Causes of Pollution Biology Quiz PDF Download

MCQ. Lives of organisms in ecosystem become threatened due to

  1. urbanization
  2. industrialization
  3. introduction of toxics in ecosystem
  4. rapid housing

C

MCQ. Reaction between oxides of nitrogen (N2) and oxygen (O2) results in

  1. formation of nitric acid
  2. acid rains
  3. alkali rain
  4. both A and B

D

MCQ. Incomplete burning of fuel causes

  1. a decrease in annual rain fall
  2. a decay of fossil fuels
  3. rapid sheet erosion
  4. pollution

D

MCQ. Process by which harmful substances are added to environment is called as

  1. Silting
  2. Pollution
  3. Desertification
  4. Flooding

B

MCQ. Reaction between sulfur dioxide and oxygen results in

  1. sulfuric acid
  2. acid rain
  3. alkali rain
  4. both A and B

D