hot deserts Flashcards
(27 cards)
What is a hot desert?
A hot desert is a region characterized by very low precipitation, high temperatures during the day, and minimal vegetation.
Name a key feature of hot deserts.
High evaporation rates.
True or False: The Thar Desert is located in Africa.
False.
Which two countries does the Thar Desert span?
India and Pakistan.
Fill in the blank: The Thar Desert is also known as the ______ Desert.
Great Indian Desert.
What is the average annual rainfall in the Thar Desert?
Less than 250 mm.
Multiple Choice: What type of vegetation is most commonly found in hot deserts? A) Tropical Rainforest B) Deciduous Forest C) Xerophytes D) Grasslands
C) Xerophytes.
What adaptation helps cacti survive in the desert?
Water storage in their stems.
True or False: Hot deserts typically have a high biodiversity.
False.
What is the main reason for the formation of deserts?
High temperatures and low rainfall.
Name one human activity that impacts the Thar Desert.
Overgrazing by livestock.
Fill in the blank: The Thar Desert is home to the ______, a unique desert ecosystem.
Thar Desert National Park.
What is desertification?
The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Multiple Choice: Which animal is commonly associated with the Thar Desert? A) Elephant B) Camel C) Polar Bear D) Penguin
B) Camel.
What is the primary source of water for people living in the Thar Desert?
Wells and tube wells.
True or False: The Thar Desert experiences extreme temperature variations between day and night.
True.
What is the significance of sand dunes in the Thar Desert?
They are important for preventing soil erosion and provide habitat for specialized plants and animals.
Fill in the blank: The Thar Desert has a ______ climate, characterized by hot summers and cool winters.
semi-arid.
What role do oases play in hot deserts?
They provide a water source and support vegetation and wildlife.
Multiple Choice: Which of the following is a challenge faced by people living in the Thar Desert? A) Flooding B) High humidity C) Water scarcity D) Extreme cold
C) Water scarcity.
What is a common adaptation of animals in the Thar Desert?
Nocturnal behavior to avoid daytime heat.
True or False: The Thar Desert is known for its rich mineral resources.
True.
What is the impact of climate change on hot deserts?
Increased temperatures and altered precipitation patterns leading to more severe droughts.
What type of soil is typically found in hot deserts?
Sandy or rocky soil with low organic matter.