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. extensive cultivation
- D. dry farming
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
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
Which of the following sources of power supply is renewable?
- A. gas
- B. nuclear
- C. solar
- D. cone
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
The coastal regions of Sierra Leone record an annual rainfall of over
- A. 3000mm
- B. 6,500mm
- C. 4,800mm
- D. 5,000mm
The part of the earth crust covered by water bodies is known as the
- A. hydrosphere
- B. sial
- C. stratosphere
Rocks are said to be crystalline when the atoms forming them are
- A. found in sedimentary rocks
- B. found in crystalline rocks
- C. arrenged in a deposit pattern
- D. arranged vertically
The type of energy that is most environmentally friendly is
- A. Thermal
- B. Nuclear
- C. hydro electric
- D. solar
The largest ocean in the world is the
- A. Arctic ocean
- B. Atlantic ocean
- C. Indian ocean
- D. Pacific ocean
In which erosional plain is an inselberg commonly found
- A. pediplain
- B. flood plain
- C. penaplain
- D. outerwash plain
Soil erosion by action of rain can be caused by all of the following except
- A. tropical rainstorms
- B. scanty vegetation
- C. steep slopes
- D. aridity
Which of the following is not true of the North Atlantic sea route?
- A. It links Nigeria with Europe
- B. It is the busiest sea route
- C. Goods carried on the route include grains
- D. It links North America with Europe
Which of the following is a feature of heavy industries?
- A. capital intensive
- B. small scale plants
- C. consumer goods production
- D. low turn-over
Under the Greek system of climate classification, the world is divided into
- A. hot, temperate and dry zones
- B. temperate, fridgid and hot zones
- C. torrid, equatorial and tropical zones
- D. torrid, temperate and frigid zones
Great Britain and Germany are trading partners of west African countries from
- A. Western Europe
- B. South America
- C. North America
- D. The far east
Africa has the largest potential reserve of hydro-electric power in the world because
- A. it is surrounded by large oceans
- B. many of the areas are not accessible
- C. it has copious rainfall and many water falls
- D. Africans have not developed the use of hydro-electric
Which of the following is a major boost of tourism?
- A. adequate publicity about natural scenery
- B. variation in mode of transportation
- C. higher dependency ratio of the population
- D. specialization in labour force
The world’s greatest gold producer is
- A. South Africa
- B. Ghana
- C. Nigeria
- D. Canada
Jos plateau is an example of a
- A. Basalt plateau
- B. Volcanic plateau
- C. Plutonic plateau
- D. Tectonic plateau
When weathering occurs on hill slopes, rock debris usually pile up at the bottom of the hill slope to form
- A. creep
- B. levee
- C. pebbles
- D. scrcee