Human Activities and Ecosystem MCQs Quiz and Answers Tests pdf Download

Practice human activities and ecosystem MCQs in science quiz for test prep. Man impact on ecosystem quiz questions has multiple choice questions (MCQ) with human activities and ecosystem test, answers as the dodo became extinct in, answer key with choices as 1681, 1961, 1896 and 1861 for competitive exam preparation worksheets. Free science revision notes to learn human activities and ecosystem quiz with MCQs to find questions answers based online 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