JAMB Geography Past Questions & Answers - Page 33

161.

Which of the following is not an importance of Geographic Information System(G.I.S)

A.

Urban and regional planning

B.

Resource management

C.

funds mismanagement

D.

Dam site location

Correct answer is C

Funds mismanagement is not an importance of Geographic Information System(G.I.S)

162.

Which of the following activities does not control soil erosion

A.

contour ploughing

B.

deforestation

C.

covercropping

D.

afforestation

Correct answer is B

Deforestation is the cutting down of trees and it lead to soil erosion. Contour ploughing, cover-cropping and afforestation all prevent and control soil erosion

163.

Which of the following food chains is impossible?

A.

Grass→sheep→man

B.

Grass→Toad→grasshopper→rat

C.

Grass→grashopper→toad→snake

D.

Diatoms→euglena→water fleas

Correct answer is B

The toad cannot consume grass and the grasshopper can't also consume the toad

164.

What is the longitude of a town Y whose local time is 12:00 noon when Greenwich mean time is 6:00pm

A.

90\(^o\) W

B.

180\(^o\) E

C.

150\(^o\) W

D.

80\(^{o}\) E

Correct answer is A

Town Y? W|12:00noon ←(substract) Longitude(0^o)|E 6:00pm
Time difference = 6:00pm - 12:00pm = 6hours
Recall: 15o ≡ 1 hour therefore 6hours ≡ (15 x 60)o= 90o
Arrow is pointing to the west;hence, the latitude of Town Y is 90oW

165.

One of the following is not a sequence of denudation

A.

Erosion

B.

Transportation

C.

Decomposition

D.

Deposition

Correct answer is C

The four sequences or stages of denudation are weathering, erosion, transportation and deposition