A soil sample consisting of 49% sand, 28% silt and 23% clay is classified as?

• A. sand
• B. loam
• C. sandy clay
• D. clay

One consequence of Nigeria's over dependence on petroleum is

• A. competition from other OPEC members
• B. increased local use of petroleun products
• C. increased importation of food items
• D. increase in world oil prices

The roots of trees in the mangrove forest in Nigeria are aerial because

• A. they are not water-loving
• B. they try to conserve water
• C. they need more air than water
• D. the water is too shallow

All the following are important timber producing countries in Africa except

• A. Ghana
• B. Cote d
• C. Nigeria
• D. Mauritania

Motorists will probably cross the river from Bobo to Achira by

• A. Drawbridge
• B. Ship
• C. Boat
• D. Ferry

An example of argillaceous rock is

• A. chalk
• B. shale
• C. graphite
• D. coat

A daily mean temperature of about 24°C, an annual rainfall of about 500mm which should fall in the growing period of about five months, and well-drained soils. These are the requirements for cultivation of

• A. soya bean
• B. groundnut
• C. sugarcane
• D. coffee

Which of the following countries is located within the Horn of Africa?

• A. Swaziland
• B. Chad
• C. Kenya
• D. Djiboti

The most important characteristic of a population that enhances rapid economic development is the?

• A. total size
• B. level of education
• C. age structure
• D. sex ratio

Which of the following regions has low population density?

• A. The Nile Basin
• B. The Ganges Basin
• C. North Eastern U.S.A
• D. The Zarie Basin