A Brief Quiz About Deserts!

1.

Deserts are always hot.

A.

True
B.

False

Correct Answer
B. False

Explanation
Deserts are not always hot. While many deserts have high temperatures during the day, they can also experience extreme cold at night. The temperature fluctuations in deserts are due to their lack of moisture and vegetation, which prevents them from retaining heat. Some deserts, such as the Gobi Desert in Asia and the Atacama Desert in South America, can have freezing temperatures and even snowfall. Therefore, it is incorrect to say that deserts are always hot.

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2.

Hot deserts are often located...

A.

In the southern hemisphere
B.

Far from the equator
C.

Near the equator
D.

In the Northern hemisphere

Correct Answer
C. Near the equator

Explanation
Hot deserts are often located near the equator because the equator receives direct sunlight throughout the year, resulting in high temperatures. The intense heat causes the evaporation of water, leading to a lack of moisture in the air and creating arid conditions. These conditions are ideal for the formation of hot deserts, characterized by extremely high temperatures and sparse vegetation. The proximity to the equator ensures a consistent and intense heat source, making it an ideal location for the development of hot deserts.

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3.

Deserts can be

A.

Sandy
B.

Rocky
C.

Spinifex and acacia shrubs
D.

All of the above

Correct Answer
D. All of the above

Explanation
The correct answer is "all of the above" because deserts can indeed be sandy, rocky, and have spinifex and acacia shrubs. Deserts are characterized by their dry and arid conditions, and they can have different types of terrain and vegetation depending on their location and climate. Sandy deserts are dominated by sand dunes and have little vegetation, while rocky deserts have a rocky and rugged landscape. Spinifex and acacia shrubs are common in some desert regions, providing some plant life in these harsh environments. Therefore, all of these options accurately describe the different types of deserts.

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4.

People have lived in deserts for many thousands of years.

A.

True
B.

False

Correct Answer
A. True

Explanation
People have indeed lived in deserts for many thousands of years. Despite the harsh and extreme conditions, humans have adapted to desert environments and developed various strategies for survival. Some examples include building settlements near oases or other water sources, utilizing specialized clothing and shelter to protect against extreme temperatures, and relying on specific food sources that are available in desert regions. Additionally, nomadic tribes have traditionally traversed deserts, following migratory patterns of animals and seeking out areas with more favorable conditions. Therefore, it is true that people have successfully inhabited deserts for a significant period of time.

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5.

Deserts are dry because...

A.

The high temperatures in hot deserts cause moisture to evaporate quickly.
B.

The water cycle.
C.

Wind pushes clouds upwards where they meet mountains, causing the air to cool and rain to occur before the air reaches the desert area.
D.

All of the above.

Correct Answer
D. All of the above.

Explanation
The correct answer is "all of the above." Deserts are dry because of a combination of factors. The high temperatures in hot deserts cause moisture to evaporate quickly, leading to dry conditions. Additionally, the water cycle plays a role in the dryness of deserts. When wind pushes clouds upwards and they meet mountains, the air cools and rain occurs before reaching the desert area, resulting in less rainfall in the desert. Therefore, all of these factors contribute to the overall dryness of deserts.

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6.

Deserts can only be found inland. They are never near the sea because there is too much water there.

A.

True
B.

False

Correct Answer
B. False

Explanation
The statement is false because deserts can be found near the sea as well. Coastal deserts, such as the Atacama Desert in South America, are located near the sea but receive very little rainfall due to specific atmospheric conditions. Therefore, the presence of water near the sea does not necessarily prevent the formation of deserts.

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7.

An example of a coastal desert is...

A.

The Bambi Desert.
B.

The Namib Desert.
C.

The Manib Desert.
D.

The Nibam Desert.

Correct Answer
B. The Namib Desert.

Explanation
The Namib Desert is an example of a coastal desert. It is located along the southwestern coast of Africa and stretches for over 2,000 kilometers. This desert is formed by the cold Benguela Current, which causes a fog to form along the coast. The fog provides moisture to the plants and animals living in the desert, making it possible for them to survive in this harsh environment. The Namib Desert is known for its unique landscapes, including towering sand dunes and gravel plains, making it a popular tourist destination.

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8.

True deserts are areas that receive less than ____ per year in rainfall.

A.

200mm
B.

150mm
C.

10mm
D.

100mm

Correct Answer
D. 100mm

Explanation
True deserts are defined as areas that receive very little rainfall. In this case, the correct answer is 100mm, indicating that areas receiving less than 100mm of rainfall per year can be classified as true deserts. This minimal amount of rainfall is not enough to sustain vegetation or support a significant ecosystem, leading to the arid and barren landscapes commonly associated with deserts.

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9.

The Great Sandy Desert and the Simpson Desert are examples of hot deserts in Australia.

A.

True
B.

False

Correct Answer
A. True

Explanation
The Great Sandy Desert and the Simpson Desert are indeed examples of hot deserts in Australia. These deserts are characterized by their extremely high temperatures, limited precipitation, and sparse vegetation. They are vast, arid regions with sand dunes, rocky outcrops, and salt pans. The Great Sandy Desert is located in Western Australia, while the Simpson Desert spans across the Northern Territory, South Australia, and Queensland. These deserts are home to unique and diverse plant and animal species that have adapted to survive in the harsh desert conditions.

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10.

Temperatures in hot deserts can be more than 38 degrees celsius....

A.

During the day.
B.

During the night.
C.

During the day and night.
D.

Only in December.

Correct Answer
A. During the day.

Explanation
Hot deserts are known for their extreme temperatures, and it is commonly observed that temperatures in these regions can rise above 38 degrees Celsius during the day. This is due to the intense heat generated by the direct exposure to the sun, which causes the desert to heat up significantly. However, during the night, desert temperatures can drop drastically, often reaching much cooler levels. Therefore, the correct answer is that temperatures in hot deserts can be more than 38 degrees Celsius during the day.

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