Causes of Pollution Biology MCQs Quiz Online PDF Download

Learn causes of pollution biology MCQs, O level biology MCQ test for online learning. Effects of human activity on ecosystem quiz has multiple choice questions (MCQ), causes of pollution biology quiz questions and answers to practice as lives of organisms in ecosystem become threatened due to, answer key help with choices as urbanization, industrialization, introduction of toxics in ecosystem and rapid housing problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning causes of pollution biology quiz with MCQs to practice test questions with answers.

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