JAMB Geography Past Questions & Answers - Page 14

66.

The coastal regions of Sierra Leone record an annual rainfall of over

A.

5,000mm

B.

3000mm

C.

4,800mm

D.

6,500mm

Correct answer is C

Annual rainfall in Sierra Leone coastal regions is over 4,800m, which makes it the wettest country in West Africa.

67.

Which of the following is not a process of chemical weathering?

A.

frost action

B.

hydrolysis

C.

oxidation

D.

carbonation

Correct answer is A

Chemical weathering is the gradual disintegration of rocks due to their exposure to air and water, the agents/processes involved include: solution, oxidation, carbonation, hydration and hydrolysis

68.

The highest concentration of industries in Nigeria is found in the

A.

South-eastern zone

B.

North-central zone

C.

Western zone

D.

Mid-western zone

Correct answer is C

The highest concentration of industries in Nigeria is found in the Western zone. This is due to factors such as the availability of resources, infrastructure, and a large market. The other zones do not have as high a concentration of industries.

69.

A line joining all points of equal salinity is an

A.

isoplech

B.

isopach

C.

isoba

D.

isohaline

Correct answer is D

An isohaline is a line joining points of equal salinity in an ocean or other saline body of water. Salinity refers to the saltiness or dissolved salt content of a body of water.

70.

A major function performed by rural settlement is

A.

commercial

B.

industrial

C.

administrative

D.

agriculture

Correct answer is D

Agriculture i.e farming is usually the main occupation of the villagers who are involved in the production of food for human consumption.