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

Learn man impact on ecosystem multiple choice questions, grade 8 science online test 1 for elementary school degree online courses, distance learning for exam prep. Practice human activities and ecosystem multiple choice questions (MCQs), man impact on ecosystem quiz questions and answers for science class for 8th grade science homework help.

Study elementary school science multiple choice questions (MCQs): dodo became extinct in, for free online courses with choices 1961, 1681, 1896, and 1861, human activities and ecosystem quiz with online free learning portal for viva voce, practice tests and online competitive exam preparation. Free science study guide for online learning human activities and ecosystem quiz questions to attempt multiple choice questions based test.

MCQs on Man Impact on Ecosystem Worksheets 1 Quiz PDF 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