Jamb Geography Past Questions For Year 1991
Question 6
The two major air masses affecting the climate of West Africa are the
- A. Harmattan wind and the southwest monsoon
- B. Southwest monsoon and the tropical maritime
- C. Tropical continenal and the tropical maritime
- D. Warm equatorial and the tropical maritime
Question 7
Assuming that the area depicted on the map is located in the tropics, what crops are likely to thrive during the dry season in the area marked W?
- A. Tomatoes and onions
- B. Upland rice and millet
- C. Yams and potatoes
- D. Soya beans and cowpeas
Question 8
River Owa overflows its bank because
- A. Its valley has become shallow due to the deposition of alluvium
- B. The volume of water has been increased by rainfall
- C. Farmers block its channel with farm wastes
- D. Its valley is narrow
Question 9
Use the table below to answer the following two question.
Country.................Iron ore output in 1975 Output
...........................'000 tonnes
USSR...........................139.82
Australia......................64.82
Brazil.........................48.77
USA...............................46.78
China............................36.00
If the five countries produced 3335,990 tonnes of iron ore, what percentage was produced by the USSR?
- A. 41.614%
- B. 24.030%
- C. 0.416%
- D. 0.042%
Question 10
By how many times will a map measuring 12cm by 7cm be enlarged to make its area 336cm2?
- A. Twice
- B. Three times
- C. Four times
- D. Five times
