Man and Environment Multiple Choice Questions Test 21 pdf Download

Practice biology quiz 21 on man and environment MCQs, grade 10 ecosystem balance and human impact multiple choice questions. Free ecosystem balance and human impact guide has biology worksheet with answering options urbanization, overpopulation, deforestation and all of above of multiple choice questions (MCQ) with ecosystem balance and human impact quiz as examples of impacts of humans on ecosystems balance includes for exam prep. Study to learn ecosystem balance and human impact quiz to attempt multiple choice questions based test.

MCQs on Man and Environment - Quiz 21

MCQ. Examples of impacts of humans on ecosystems balance includes

  1. overpopulation
  2. urbanization
  3. deforestation
  4. all of above

D

MCQ. Living part or living organisms of an ecosystem is called

  1. biosphere components
  2. ecology components
  3. abiotic components
  4. biotic components

B

MCQ. In biosphere, principal decomposers are

  1. birds
  2. grasshoppers
  3. protozoan
  4. fungi and bacteria

D

MCQ. Examples of tertiary consumers or secondary carnivores are

  1. plants and protozoan
  2. cattle and deer
  3. lions and tigers
  4. owls and wolves

D

MCQ. For all ecosystems, major source of energy is

  1. galaxies
  2. universe
  3. Sun
  4. Moon

C