“An open forest with evergreen, thick leathery leaves and woody stems with deep roots” is known as
- A. mediterranean vegetation
- B. montane vegetation
- C. hot desert vegetation
- D. tropical rainforest
Exports from Mali are most likely to pass through the sea port at
- A. Banjul
- B. Abidjan
- C. Lagos
- D. dakar
Exports from Mali are most likely to pass through the sea port at
- A. Banjul
- B. Abidjan
- C. Lagos
- D. dakar
A tremendous pressure or temperature change may lead to the formation of
- A. gnesis
- B. clay
- C. limestone
- D. granite
A piece of evidence that confirms that the earth is spherical is
- A. solar system
- B. earth's orbit
- C. moon's eclipse
- D. standard time
Countries in the northern hemisphere experience shorter days and longer nights when the sun is overhead on the
- A. Equator
- B. Artic Circle
- C. Tropic of Cancer
- D. Tropic of Capricorn
Which of the following distinguishes rotation from revolution?
- A. Revolution causes day and night while rotation causes season
- B. Rotation causes variation in the lengths of day and night while revolution causes rising and falling of tides
- C. A complete revolution takes 24 hours while rotation makes a year
- D. The earth rotates on its axis while it revolves around the sun in an elliptical orbit
A slope is said to be even when the contours are
- A. concentric
- B. irregularly spaced
- C. closely spaced
- D. equally placed
The most common form of migration experienced in countries of Tropical Africa is
- A. urban-rural migration
- B. rural-rural migration
- C. urban-urban migration
- D. rural-urban migration
The dam which is not used in Gezira is the
- A. Aswan
- B. Jebal Azula
- C. Jebal Azula
- D. Sennar
The difference in time between two longitudes is approximately
- A. 15 hours
- B. 4 hours
- C. 40 minutes
- D. 4 minutes
Quartz, fieldspar and mica are three principal mineral that can easily be seen in
- A. limestone
- B. basalt
- C. coal
- D. granite
A block mountain is formed as a result of
- A. fission
- B. vulcanisity
- C. differential erosion
- D. faulting
What is the temperature around an aeroplane flying at an altitude of 4000metres if the temperature on the earth’s surface is \(40ºc\)?
- A. \(14^0C\)
- B. \(66^0C\)
- C. \(26^0C\)
- D. (\12^0C\)
The major crop grown in the El juf Basin of Mali is
- A. Cotton
- B. cashew
- C. cocoa
- D. coffee
Barchan dunes move
- A. at right angle to the prevailing wind
- B. in the same direction as the prevailing winds
- C. in the same direction as the prevailing winds
- D. in a circular direction
The sun is vertically overhead at the tropic of Caprison in
- A. September 23rd
- B. March 21st
- C. June 21st
- D. December 22nd
The land-use activities which can be considered responsible for soil erosion in the tropics are
- A. irrigation, terrace farming and crop rotation
- B. mining, bush fallowing and market gardening
- C. industrialization, monoculture and lumbering
- D. bush fallowing, overgrazing and monoculture
The instrument used to measure the duration of sunshine is the
- A. campbell-stokes recorder
- B. cup-anemometer
- C. aneroid barometer
- D. aneroid barometer
Which of the following stations is situated in a region of tropical monsoon climate?
- A. Valencia
- B. In salah
- C. Bombay(Munbai)
- D. Durban
One of the features of wind deposition is
- A. a mesa
- B. an inselberg
- C. a ventifact
- D. barchan