Man Impact on Ecosystem Multiple Choice Questions and Answers 1 pdf eBooks Download

Learn man impact on ecosystem MCQs, grade 8 science test 1, human activities and ecosystem multiple choice questions and answers. Human activities and ecosystem revision test has science worksheets, answer key with choices as 1961, 1681, 1896 and 1861 of multiple choice questions (MCQ) with human activities and ecosystem quiz as the dodo became extinct in for competitive exam prep, viva interview questions. Free science study guide to practice human activities and ecosystem quiz to attempt multiple choice questions based test.

MCQs on Man Impact on Ecosystem Quiz pdf Download Worksheets 1

MCQ. Dodo became extinct in

  1. 1681
  2. 1961
  3. 1896
  4. 1861


MCQ. Smoke particles and harmful gases released in air produces a

  1. smoke
  2. haze
  3. fog
  4. smog


MCQ. Environment can be kept clean and green by using

  1. less energy
  2. environment friendly technology
  3. protecting wildlife
  4. all of them


MCQ. Fertilizers supports growth of

  1. algae
  2. fruit plants
  3. vines
  4. pines


MCQ. If untreated waste water will be directly spill in to rivers, sea and lakes it may

  1. contaminate
  2. polluted
  3. spread diseases
  4. all of them