Question 146:

• JAMB 1979

Identify the pair of forces/processes which may be responsible for the formation of rift valleys
1. Centrifugal 2. Erosional 3. Compressional 4. Magnetic 5. Faulting.

A. 1 and 5
B. 2 and 3
C. 3 and 4
D. 3 and 5
E. 1 and 3

Question 147:

• JAMB 1979

Bamboo and Mahogany, lianas and obeche, raphia and tree ferns. In which vegetation type are all these found?

A. Tropical monsoon
B. Tropical rain forest
C. Sub-tropical forest
D. Chaparral forest
E. Coniferous forest

Question 148:

• JAMB 1979

The process of weathering include all but one of the following

A. Alternate heating and cooling of rocks
B. Rock-breaking due to frost action
C. Peeling off of exposed layers of rounded crystalline rocks
D. Rock rotting because of chemical changes
E. Movement of rock particles downslope because of pull of gravity

Question 149:

• JAMB 1979

With which one of the following areas are active volcanoes associated?

A. Glaciated uplands
B. Plateau surfaces
C. Newly folded mountains
D. Coastal regions
E. Continental plains

Question 150:

• JAMB 1979

The ocean route with the greatest traffic is the

A. North atlantic route
B. Cape of Good Hope route
C. North pacific route
D. North American-South American route
E. Mediterranean-Asiatic-Australian route