Human Activities and Ecosystem MCQs Quiz Worksheet PDF Book Download

Human activities and ecosystem MCQs, human activities and ecosystem quiz answers for online elementary school courses. Man impact on ecosystem multiple choice questions (MCQs), human activities and ecosystem quiz questions and answers for online elementary education degree. Human activities and ecosystem test prep for elementary school teaching certification.

Learn science MCQs: dodo became extinct in, with choices 1681, 1961, 1896, and 1861 for online elementary education degree. Free science student portal for online learning human activities and ecosystem quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Human Activities and Ecosystem PDF Book 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