One of the following is not a problem involved in harnessing solar energy?

• A. Poor technological know-how
• B. Adequacy of capital
• C. Unreliability
• D. Fear of competition with established energy sources

An important mineral deposit in south Africa which has attracted a large number of white settler is?

• A. Iron in Durban
• B. Copper in Cape Town
• C. Gold in Witwatersrand
• D. Aluminium in Johannessburg

One of the following surveying instruments is used to set out lines at right angles to the main chain line?

• A. Optical square
• B. Station pegs
• C. Offset staff
• D. Steel Band

Which of the following is a way of controlling soil erosion?

• A. Overgrazing
• B. Contour ploughing
• C. Deforestation
• D. Bush burning

The wind which blows across the Atlantic Ocean towards the coast of Nigeria and is responsible for rainy season is known as?

• A. Equatorial Easterlies
• B. Land and sea breeze
• C. Tropical continental airmass
• D. Tropical maritime airmass

________is the failure of the end point of a closed traverse to fall exactly on the point of origin of the transverse?

• A. Error of compass
• B. Traverse error
• C. Error of closure
• D. Field error

Which of the following is best defined as the movement of people from one geographical area to another involving permanent or temporary residence or settlement?

• A. Transportation
• B. Civilization
• C. Migration
• D. urbanization

Which of the following is an effect of the earth's revolution?

• A. Day and night
• B. It determines a year
• C. Dawn and Twilight
• D. Apparent Sunrise and sunset

The type of water left in the soil after excess water has been drained off, following heavy rainfall is known as?

• A. Field capacity
• B. capillary water
• C. gravitational water
• D. hygroscopic water

A line joining all points of equal salinity is an

• A. isopalh
• B. Isopleth
• C. Isohaline
• D. isobar