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 online elementary school courses for science degree. Human activities and ecosystem MCQs with answers, man impact on ecosystem quiz questions and answers for online elementary education degree. Human activities and ecosystem, conserving environment test prep for elementary school teaching certification.

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

MCQ 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