When wet and dry bulb thermometers record the same temperature, it means
- A. air is dry
- B. air is saturated
- C. humidity is high
- D. humidity is low
Which of the following is not a type of mountain?
- A. conical mountain
- B. mountain of accumulation
- C. block mountain
- D. fold mountain
The longest river in Africa is River
- A. Zambezi
- B. nile
- C. Senegal
- D. congo
The term over-population is best defined as the situation where
- A. the population exceeds available resources
- B. birth rate is equal to death rate
- C. there is an increasing birth rate and a decreasing infant mortality rate
- D. there is high population density
The major source of power for most terrestrial ecosystems is
- A. geothermal energy
- B. nuclear power
- C. solar energy
- D. hydroelectric power
The part of the earth’s crust that is covered by oceans and seas is called
- A. stratosphere
- B. ionosphere
- C. hydrosphere
- D. biosphere
The innermost section of the Earth is the
- A. sial
- B. mantle
- C. crust
- D. core
Which of the following features is shared by Hong Kong, Java and Manhattan?
- A. multi-racial communities
- B. rapid industrial growth
- C. high population density
- D. high military technology
Copper is an important raw material in the
- A. pharmaceutical industry
- B. chemical industry
- C. oil refining industry
- D. electrical industry
The angular distance of a point on the Earth’s surface measured in degrees from the centre of the Earth east or west of the Greenwich Meridian is known as
- A. orbit
- B. latitude
- C. axis
- D. longitude
The nearest planet to the sun is the
- A. Earth
- B. Mercury
- C. Pluto
- D. Mars
Which type of rock are quartzite, schist and marble
- A. Metamorphic
- B. sedimentary
- C. volcanic
- D. Igneous
In which part of the atmosphere does rain clouds develop?
- A. thermosphere
- B. exosphere
- C. stratosphere
- D. Troposphere
Which activity requires the following? I. Large area of land usually in thousands of hectares II. Availability of water either in the form of rain or irrigation III. High capital outlay
- A. plantation agriculture
- B. lumbering
- C. tourism industry
- D. mining
The ocean that connects Europe and America is the
- A. Antarctic ocean
- B. Atlantic ocean
- C. Arctic ocean
- D. Indian ocean
An example of an organically formed sedimentary rock is
- A. coal
- B. granite
- C. rock salt
- D. sandstone
The Gezira scheme and the Manaquil Extension are famous for the cultivation of
- A. cotton
- B. kolanut
- C. beans and other legumes
- D. sugarcane
When a ship appears over the distant horizon the
- A. mast is seen before the hull
- B. hull is seen before the cabin
- C. cabin is seen before the mast
- D. hull and the mast are seen together
A mercury barometer is used for measuring
- A. wind speed
- B. atmospheric pressure
- C. temperature
- D. sunshine
The system of cultivation of tropical commercial crops estates is known as
- A. mixed cropping
- B. bush fallowing
- C. intensive farming
- D. plantation agriculture
Sunrise and sunset are not proofs that the Earth is spherical in shape, as they can be observed on other celestial bodies as well.
- A. mercury and venus
- B. venus and mars
- C. mercury and Saturn
- D. venus and Jupiter