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

Learn man impact on ecosystem MCQs, grade 8 science test 1 for online learning courses and test prep, human activities and ecosystem multiple choice questions and answers. Human activities and ecosystem revision test includes science worksheets to learn for 8th grade science homework help.

Science multiple choice questions (MCQ): dodo became extinct in with options 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 to learn human activities and ecosystem quiz to attempt multiple choice questions based test.

MCQs on Man Impact on Ecosystem Quiz PDF Download Worksheets 1

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