On a map of scale 1 : 250,000, the distance between two towns is 17.5 cm. What is the actual distance?
Answer: B. 1 cm represents 250,000 cm = 2.5 km, so 17.5 cm represents 43.75 km.
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On a map of scale 1 : 250,000, the distance between two towns is 17.5 cm. What is the actual distance?
Answer: B. 1 cm represents 250,000 cm = 2.5 km, so 17.5 cm represents 43.75 km.
When it is 10:00 a.m. at a place on longitude 30° E, what is the local time at a place on longitude 130° E?
Answer: D. The difference in longitude is 100°, and each degree is 4 minutes, so the time difference is 400 minutes. The second place is east, so its time is ahead: 4:40 p.m.
Which of these describes the Amazon?
Answer: C. The Amazon is the river with the largest volume of water in the world.
Kainji Dam, a major source of hydroelectric power in Nigeria, is on the River
Answer: A. Kainji Dam was built across the River Niger.
A difference of 15° of longitude gives a time difference of
Answer: D. 360° ÷ 24 hours = 15° per hour (4 minutes per degree).
Rainfall is measured with a
Answer: B. A rain gauge collects and measures rainfall.
A delta is formed at the mouth of a river mainly by
Answer: C. Rivers deposit sediment where they enter the sea.
The highest mountain in Africa is
Answer: B. Kilimanjaro in Tanzania is about 5,895 m high.
The dry, dusty wind that blows into Nigeria from the Sahara between November and February is the
Answer: C. The north-east trade wind brings the harmattan.
Limestone is an example of
Answer: B. Limestone forms from deposited remains of sea creatures.
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| Topic | Questions |
|---|---|
| Map reading | 159 |
| Climate | 121 |
| Nigeria | 83 |
| Africa | 75 |
| The earth | 62 |
| Population | 60 |
| World geography | 22 |