Man Impact on Ecosystem Multiple Choice Questions Online 1 PDF eBook Download

Practice Man Impact on Ecosystem Multiple Choice Questions & Answers (MCQs), man impact on ecosystem quiz answers pdf, test prep 1 to study elementary school science for online degree courses. Learn "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.

Practice man impact on ecosystem MCQ: 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 eBook 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