Deserts MCQ Questions and Answers for Practice

1. Which of these best describe a desert?

1. Usually less than 150mm of rain each year, no vegetation
2. Less than 50mm of rain per year, vegetation is less than 50%
3. Usually less than 250mm of rain per year, vegetation is less than 50%
4. At least 300mm of rain per year, vegetation is less than 50%

2. Approximately what percentage of the worlds deserts are covered with sand?

1. 50%
2. 100%
3. 5%
4. 20%

3. Atacama desert is in

1. South Africa
2. North Africa
3. South America
4. North America

4. Atakama deserts covers

1. Coastle regions of Peru and some parts of North Chile
2. none of the above
3. Central South America
4. Wester South America

5. Deserts with a pebble surface are called

1. barchans
2. ergs
3. regs
4. draas

6. How does desert pavement form?

1. by stream erosion
2. by intense mechanical weathering
3. by intense chemical weathering
4. by wind erosion

7. If most of the land in Utah was left in its natural state, which environment would it be?

1. Ocean
2. Forest
3. Desert
4. Wetland

8. In what country is the Chihuahuan desert located?

1. South Africa
2. South Arabian Peninsula
3. Mexico
4. North Africa

9. In which country Takla Makan desert situated?

1. Uzbekistan
2. China
3. Kazakhastan
4. Turkmenistan

10. Kalhari is a desert because

1. It underlies a high pressure cell
2. It receives only land wind
3. It lies in the tropics
4. It is on the leeward side of a mountain

11. Kalhari is situated in

1. South Africa
2. North Africa
3. South America
4. West Asia

12. Much of a deserts surface consists of sand, gravel, and rock rubble because

1. vegetation is sparse and cannot prevent erosion of soil
2. all of these
3. clay minerals form slowly in a desert environment
4. wind blows away clay and soil before it can accumulate to great thickness

13. Sonoram desert includes

1. Albama
2. Texas
3. Lower California and north-west coast of the Mexican mainland
4. New York State

14. The Great Basin and Mojave deserts of western North America exist primarily

1. because they lie in the rainshadow of coastal mountains
2. all of these
3. because they lie near the equator
4. because they lie thousands of kilometers from the ocean

15. The main cause of Kalhari being a ddesert is

1. Its people are primitive
2. Its location in the west coast in the tropics
3. The cloud current near the coast
4. Its location in the tropics