7th Class Social Science Ecology and Ecosystem Biodiversity Question Bank

done Understanding the Environment - Choose the Correct Option Total Questions - 5

• question_answer1)
  ?Greenhouse effect? with respect to global warming refers to
  A)
  cool and moist condition done clear
  B)
  increased rainfall and greenery done clear
  C)
  climatic changes done clear
  D)
  warming effect done clear
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• question_answer2)
  Which of the following is not part of human environment?
  A)
  Society done clear
  B)
  Water done clear
  C)
  House done clear
  D)
  Family done clear
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• question_answer3)
  Which is an abiotic component of the environment?
  A)
  Plant done clear
  B)
  Animal done clear
  C)
  Human done clear
  D)
  Soil done clear
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• question_answer4)
  Which of the following enriches the soil for plant growth?
  A)
  Clay done clear
  B)
  Humus done clear
  C)
  Sand done clear
  D)
  Gravel done clear
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• question_answer5)
  The most important gas for living organisms is
  A)
  oxygen done clear
  B)
  nitrogen done clear
  C)
  carbon dioxide done clear
  D)
  helium done clear
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