In which of the following layers in the atmosphere does temperature increase with altitude?

• A. Troposphere
• B. Ionosphere
• C. Stratosphere
• D. Exosphere

Which of the following is the characteristic pattern of rural settlements in the Western Highlands of Nigeria?

• A. Linear
• B. Dispersed
• C. Satellite
• D. Elongated

In the hydrological cycle, the transfer of water from the earth surface to the atmosphere is by?

• A. precipitation
• B. infiltration
• C. evaporation
• D. condensation

The plains formed when the slopes of mountains are worn back in arid and semi-arid regions my mechanical weathering is called_______

• A. Alluvial plains
• B. Outwash plains
• C. Pediplains
• D. Savanna plains

Which of the following does not intervene in the natural environment?

• A. Construction works
• B. Pollution
• C. Harmattan
• D. Land reclamation

The common exotic tree species planted in the northern savannah are?

• A. teak and gmelina
• B. baobab and acacia
• C. mango annd locust bean
• D. neem and euclyptus

Desert areas experience high daily range of temperature because

• A. they are generally low-lying
• B. the sky is cloudless
• C. they experience very high atmospheric pressure
• D. the winds blow off-shore at night

'' The climate is constantly warm, rainfall is relatively abundant with double maxima, there is no month without rain'' These are the characteristics of the

• A. Monsoon climate
• B. Warm temperate climate
• C. Equatorial climate
• D. Mediterranean climate

(a) Highlight any four characteristics of urban centres.

(b) Explain four ways in which urban centres depend on their surrounding rural areas.

(c) Describe three problems facing rural areas.

Dependency ratio is determined by

• A. rate of natural increase
• B. age structure
• C. net migration
• D. sex composition