The factors which determine the type of vegetation a particular habitat will support are related to the following except

• A. nature of the soil particles
• B. amount of rainfall
• C. farming activities
• D. depth of the water-table

Which of the following countries is noted for its problem of population pressure?

• A. Canada
• B. India
• C. Nigeria
• D. Libya

The primary importance of nitrogen-fixing organisms in the ecosystem is that they?

• A. increase atmospheric nitrogen
• B. enrich the soil
• C. prevent soil erosion
• D. degrade the soil

In which of the following natural vegetation belts are greenheart, mahogany and ebony commonly found?

• A. Selvas
• B. Marguis
• C. Taiga
• D. Veldt

Most rural settlements in developing countries of Africa

• A. are nucleated
• B. are dispersed
• C. have dense transport systems
• D. have satellite towns

The most common tree in the desert is the

• A. date
• B. acacia
• C. pine
• D. larch

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

On September 23 each year, the earth experiences the?

• A. summer solstice
• B. autumnal equinox
• C. winter solstice
• D. vernal equinox

A traveller crossing the international Date Line from America to Asia at 12 midnight on Sunday, would have to change his watch to 12 midnight on

• A. Sunday
• B. Monday
• C. Tuesday
• D. Saturday

The feature is one or the land forms associated with_________

• A. River erosion
• B. Wind deposition
• C. Wave erosion
• D. River deposition