JAMB Geography Past Questions & Answers - Page 6

26.

The type of agriculture in which water is conserved in a year so that crops can be grown in succeeding years by ploughing, mulching or harrowing is known as

A.

arable farming

B.

intensive cultivation

C.

LS-GA-SAL-S

D.

dry farming

Correct answer is D

Dry farming is a type of agriculture in which water is conserved in a year, particularly during dry season. It is often described as crop production without irrigation

27.

The main reason for which most manufacturing industries in West Africa are concentrated in cities and towns along the coast is that they have

A.

a large number of warehouses

B.

large urban market

C.

a large pool of unskilled labour

D.

numerous banks

Correct answer is A

This is due to the fact that there is a large number of warehouses in these regions. These warehouses are storage facilities where the goods are kept prior or after shipping.

28.

Which of the following is not correct about the great circle?

A.

The Equator is a Great Circle among the latitudes

B.

The Greenwich Meridian and the International Date Line are the only lines of latitude forming a Great Circle

C.

The Great Circle divides the earth into two equal spheres

D.

The centre of the Great Circle is also the centre of the earth

Correct answer is B

Great Circles:
-A great circle is any line thatdivides the earth into two hemispheres
-The center of the Great circle is the center of the earth
-Equator is the only line of latitude that is a great circle

29.

Which of the following sources of power supply is renewable?

A.

gas

B.

nuclear

C.

solar

D.

cone

Correct answer is D

Solar energy is the energy gotten from the sun. The sun is the largest (star and its also the ultimate source of light and energy to all the planets. Coal, gas and Nuclear energy are hot renewable(i.e they cannot be reused when exhausted)

30.

Which of the following pairs of landforms can be found in the desert areas?

A.

Barchans and tombolos

B.

Zeugens and rock pedestals

C.

Sauddoars and tombolos

D.

Yardangs and batholiths

Correct answer is B

Zeugens: These are tabular masses with a layer of soft rock lying beneath layer of hard rock
Rock pedestals: It consist of horizontal layer of hard and soft rocks