Jamb Geography 1991 Past Questions and Answers

Question 6:

• JAMB 1991

The four basic components of the physical environment are?

A. Atmospere, lithosphere, hydrosphere and biosphere
B. Thermosphere, lithosphere, hydrosphere and biosphere
C. Atmosphere, lacolith, hydrosphere and biosphere
D. Atmosphere, lithosphere, hydrosphere and ecosystem

Question 7:

• JAMB 1991

Petroleum is usually abundant in?

A. Anticlinal structures of sedimentary rocks
B. Intrusive igenous rocks
C. Synclinal structures of sedimentary rocks
D. Anticlinal structures associated with igenous rocks

Question 8:

• JAMB 1991

Ocean currents are caused mainly by?

A. The rotation of the earth
B. The amount of evaporation from the oceans
C. Prvailing surfaces winds
D. The shape of the ocean

Question 9:

• JAMB 1991

Which of the following is the cause of south-westerly and north-easterly directions of the winds in the northern tropics?

A. The rotation of the earth
B. The revolution of the earth
C. The differences in air pressure
D. The size of the landmass

Question 10:

• JAMB 1991

One of the consequences of the global increase in the carbon dioxide content of the atmosphere is?

A. Decreasing temperature
B. The destruction of the ozone layer
C. Increasing air pressure
D. Reduced visibility