Human Activities and Ecosystem Questions and Answers PDF Download

Human activities and ecosystem Multiple Choice Questions (MCQ), human activities and ecosystem quiz answers PDF to study elementary school science for online degree courses. Learn man impact on ecosystem Multiple Choice Questions and Answers (MCQs), "Human Activities and Ecosystem" quiz questions and answers for online schools. Learn human activities and ecosystem test prep for online elementary school courses.

"The dodo became extinct in" Multiple Choice Questions (MCQ) on uses of elements with choices 1681, 1961, 1896, and 1861 for online schools. Free science student portal for online learning man impact on ecosystem quiz questions for online courses.

MCQs on Human Activities and Ecosystem PDF Download

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: 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