JAMB Geography Past Questions & Answers - Page 29

141.

_______ is the condition of the lower atmosphere of a place over a short period

A.

climate

B.

weather

C.

cloud

D.

humidity

Correct answer is B

Weather is the condition of the lower atmosphere of a place over a short period. The weather of a place is always very brief and changes regularly e.g the weather of today could be sunny, rainy or cloudy etc.

142.

Which of the following is a reason for the high volume of trade between Nigeria and developed countries?

A.

similarity of products

B.

low level of technology

C.

colonial Ties

D.

presence of trade unions

Correct answer is C

The inclination of some developing countries to their colonial masters has helped to increase the volume of trade between the nations

143.

If the scale of two maps are (a;1:100,000 and b;1:400,000) what is the ground distance if the distance between two towns on the maps is 10cm

A.

10km, 40km

B.

5km, 20km

C.

2.5km, 10km

D.

20km, 80km

Correct answer is A

map distance = 10cm, ground distance = ?
Map scale for (a) 1:100,000
Ground distance = 10 x 100,000/100,000 =10km
Map scale for (b) 1:400,000
Ground distance = 10 x 400,000/100,000 =40km

144.

If the scale of a map is 2cm to 1km, what is the ground distance if the distance between two towns on the map is 20cm

A.

5km

B.

2.5km

C.

10km

D.

20km

Correct answer is C

If the scale of a map is 2cm to 1km, what is the ground distance if the distance between two towns on the map is 20cm

145.

The correct arrangement of the layers of the earth crust from the surface to the interior is

A.

sial, mantle, sima, core

B.

sima, sial, core, mantle

C.

core, mantle, sima and sial

D.

sial, sima, mantle and core

Correct answer is D

The crust is subdivided into the upper part, containing minerals like silica, iron and magnesium(sima). The mantle is found beneath the crust and the core is surrounded by the mantle. Hence, the correct arrangement of the layers of the earth crust "sial, sima, mantle and core" from the surface to the interior.