Human Activities and Ecosystem MCQs Quiz Worksheet PDF Download

Learn human activities and ecosystem MCQs, science test for online learning courses and test prep to practice. Man impact on ecosystem quiz questions has multiple choice questions (MCQ), human activities and ecosystem test to learn for 8th grade science homework help.

Science practice test MCQ: dodo became extinct in with options 1681, 1961, 1896 and 1861 with online free learning portal for viva voce, practice tests and online competitive exam preparation. Free science revision notes to learn human activities and ecosystem quiz with 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

A

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

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

B

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

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

B