JAMB Geography Past Questions & Answers - Page 11

51.

Which of the following landforms is associated with parallel vaulting?

A.

Gorge

B.

Rift valley

C.

Inselberg

D.

Dyke

Correct answer is B

It should be noted that landforms produced by faulting are Rift valley and Block mountain. Rift valley occurs when there are tensional and compression forces operating. Two parallel faults occur and there will be gravitational force leading to the sinking of the land between the faults.

52.

Which of the following is not a problem militating against political and economic integration in West Africa?

A.

currency

B.

political instability

C.

powerful colonial economic ties

D.

religion

Correct answer is A

Political and economic integration can be hindered by powerful colonial ties, religion and political instability but currency should not be an obstacle because there should be an established exchange rate.

53.

The instrument used to measure relative humidity is called

A.

hygrometer

B.

anemometer

C.

barometer

D.

thermometer

Correct answer is A

The instrument used to measure relative humidity is called hygrometer. The hygrometer consist of wet and dry bulb thermometer placed side by side in the sterensonscreen.

54.

Which of the following is associated with savanna vegetation?

A.

shallow-rooted trees

B.

Trees that grow throughout the year

C.

dense vegetation

D.

scrub

Correct answer is D

Savannas represents the vast majority of the areas which are characterised by a layerof perenial herbaceous plants, such as sedges with varrying degree of scrubs

55.

Crater lakes are usually associated with areas

A.

that have heavy fault lines

B.

that have active volcanoes

C.

that have extinct volcanoes

D.

where subsidence has taken place

Correct answer is C

A crater lake is usually considered as a dormant volcano. They tend to have a steep-sided conical form