Man Impact on Ecosystem Multiple Choice Questions and Answers 1 PDF Book Download

Man impact on ecosystem multiple choice questions (MCQs), man impact on ecosystem quiz answers, test prep 1 to learn elementary school science for online certificate programs. Human activities and ecosystem MCQs, man impact on ecosystem quiz questions and answers for online schools. Learn human activities and ecosystem, conserving environment test prep for online elementary school courses.

Learn elementary school science MCQs: human activities and ecosystem, conserving environment, with choices haze, smoke, fog, and smog for online schools. Free science study guide for online learning human activities and ecosystem quiz questions to attempt multiple choice test for online courses.

MCQs on Man Impact on Ecosystem Worksheets 1 PDF Book Download

MCQ: Dodo became extinct in

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

A

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

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

B

MCQ: Environment can be kept clean and green by using

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

D

MCQ: Fertilizers supports growth of

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

A

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

D