Jamb Geography 1982 Past Questions and Answers

Question 6:

• JAMB 1982

Which of these is NOT a weathering process?

A. The removal of regolith under the influence of weather
B. The alteration of calcium carbonate in rocks to calcium bicarbonate
C. The breakdown of rocks by plant roots
D. The formation of clay minerals from feldspars in granites
E. The disintergration of rocks by freeze-and-thaw action

Question 7:

• JAMB 1982

A map measures 10cm by 6cm.If the map is enlarge such that its area is 240 sq. cm, the map is enlarged?

A. Twice
B. Thrice
C. Four times
D. Five times
E. Six times

Question 8:

• JAMB 1982

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

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

Question 9:

• JAMB 1982

The major mountain belts of the world were produced through?

A. Wind erosion
B. Glacial activity
C. Volcanic activity
D. Folding
E. River deposition

Question 10:

• JAMB 1982

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

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