Waec Geography Past Questions and Answers

Question 176:

• WAEC 1991

The montane vegetation is most widespread on the

A. Udi plateau
B. Oban hills
C. Idanre hills
D. Mambilla plateau
E. Adamawa highlands

Question 177:

• WAEC 1991

The isoberlina tree is characteristic of the

A. Sudan savanna
B. Sahel savanna
C. High forest
D. Fesh water swamp
E. Guinea savanna

Question 178:

• WAEC 1991

The environmental lapse rate is best described as

A. A decrease in air temperature by 0. 65 ⁰C per 1000m of ascent in the atmosphere
B. The rate of temperature changes within the stratosphere
C. A fall in air temperature by 6.5^{0100m of ascent in the stratoshere>}
D. A decrease of air temperature by 6.5^{0per 1000m of ascent in the troposphere>}
E. A fall in air temperature by 0.6^{0per 100m of ascent in the atmosphere>}

Question 179:

• WAEC 1991

Water pollution is caused by all the following except

A. Increased silt load
B. Sand filling
C. Sewage disposal
D. Industrial effluent
E. Mineral workings

Question 180:

• WAEC 1991

Which of the factors least affects distribution of vegetation?

A. Man
B. Rainfaill
C. Wind
D. Soil
E. Temperature