JAMB Geography Past Questions & Answers - Page 37

181.

The following are seaports used in the North Atlantic sea route except?

A.

Lagos-Antwerp

B.

Lagos-Montreal

C.

Lagos-Southampton

D.

Lagos-Rotterdam

Correct answer is B

The sea route through which Nigeria and Europe exchange their products is through the North Atlantic sea route and the following seaports are used:
Lagos-Antwerp(Belgium), Lagos-Rotterdam(Netherlands), Lagos-Hamburg(West Germany), Lagos-Southampton(Britain) while the sea route through which Nigeria and America exchange their products is the south Atlantic route and seaport used is Lagos-Montreal(Canada)

182.

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

A.

similarity of products

B.

The Niger Basin

C.

The South Atlantic Basin

D.

The Sokoto Basin

Correct answer is D

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

183.

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

No explanation has been provided for this answer.

184.

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

map distance = 20cm, ground distance = Y
map scale = 2cm to 1km
since 2cm ≡ 1km
20cm ≡ Y
2Y = 20km
Y = 20km/2=10km
The ground distance between the two towns is 10km

185.

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.