Man Impact on Ecosystem Multiple Choice Questions 1 PDF Download

Practice man impact on ecosystem MCQs, grade 8 online science test 1, human activities and ecosystem multiple choice questions and answers. Human activities and ecosystem revision test has science worksheets, helping answer key with choices as 1961, 1681, 1896 and 1861 of multiple choice questions (MCQ) with human activities and ecosystem quiz as the dodo became extinct in for competitive exam prep, viva interview questions. Free science study guide to practice human activities and ecosystem quiz to attempt multiple choice questions based test.

MCQs on Man Impact on Ecosystem Quiz PDF Download Worksheets 1

MCQ. The 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