Human Activities and Ecosystem MCQs Quiz Worksheet PDF Download

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

Study elementary school courses, online science degree programs MCQs: dodo became extinct in, for online courses with choices 1681, 1961, 1896, and 1861 with online free learning portal for viva voce, practice tests and online competitive exam preparation. Free science student portal for online learning human activities and ecosystem quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Human Activities and Ecosystem Quiz PDF Download

MCQ: Dodo became extinct in

  1. 1681
  2. 1961
  3. 1896
  4. 1861


MCQ: Smoke particles and harmful gases released in air produces a

  1. smoke
  2. haze
  3. fog
  4. smog


MCQ: Fertilizers supports growth of

  1. algae
  2. fruit plants
  3. vines
  4. pines


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


MCQ: When forests are cleared on a very large scale by cutting or burning them down it is

  1. forestation
  2. deforestation
  3. plantation
  4. incantation