Jamb Geography Past Questions For Year 1982

Question 16

Which of the following statements bests describes the weathering process known as exfoliation?

jamb 1982

  • A. The chemical alteration of rock minerals on taking in water
  • B. The peeling away of rocks in thin layers acid
  • C. The dissolution of basic minerals by carbonic acid
  • D. The addition of oxygen to mineral elements to form oxides
  • E. The disintegration of foliated rocks
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Question 17

The major mountain belts of the world were produced through?

jamb 1982

  • A. wind erosion
  • B. glacial activity
  • C. volcanic activity
  • D. folding
  • E. river deposition
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Question 18

Which of the following statements is true of the Sahara Desert, the Arctic and sub-Arctic regions of North America?

jamb 1982

  • A. The areas inhabited by primitive hunters and traders
  • B. These areas have the world's largest known deposits of crude oil
  • C. population is found in isolated oases and along the river valley's
  • D. The enviroment is very harsh for both man and animal
  • E. The inhabitants belong to the oldest races in the world
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Question 19

Which of these best explains the rapid rise in world population during the twentieth century?

jamb 1982

  • A. Large-scale migration of people
  • B. Decline in death rates
  • C. Increase in world food production
  • D. Improvement in transportation which enables food to be moved from surplus to deficit areas
  • E. Rapid rate of urbanization
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Question 20

Which of these statements is NOT true of the great circle?

jamb 1982

  • A. The equator is a great circle
  • B. The great circle is the largest circle one can draw on a sphere
  • C. The great circle is the path of the shortest distance over the earth's surface between two points
  • D. Each meridian is a great circle
  • E. All great circles bisect the earth
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