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

Practice 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 science MCQs: dodo became extinct in, with choices 1961, 1681, 1896, and 1861 for online schools. Free science study guide for online learning human activities and ecosystem quiz questions for online courses.

Man Impact on Ecosystem MCQs Quiz 1 PDF Online 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