Causes of Pollution Biology MCQs Quiz Online PDF Download

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MCQs on Causes of Pollution BiologyQuiz 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