Study

Bianco's Deserts

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  • What defines a desert according to scientists?
    d) An area with abundant wildlife
    c) An area with less than 250 mm of rainfall annually
    a) An area with dense vegetation
    b) An area with frequent rainfall
  • Which of the following is NOT a characteristic of desert animals?
    a) Sleeping during the day
    d) Being most active during the day
    c) Getting water from their food
    b) Coming out only at night
  • What is the approximate area covered by the Sahara Desert?
    c) 3.6 million square miles
    a) 1 million square miles
    b) 2 million square miles
    d) 5 million square miles
  • How deep can the roots of the Acacia tree of Africa go to reach water?
    d) 40 meters
    c) 30 meters or more
    a) 10 meters
    b) 20 meters
  • What adaptation allows plants and animals to survive in the Sahara Desert?
    d) Estivation
    c) Camouflage
    a) Hibernation
    b) Migration
  • What is left behind after the water in shallow lakes evaporates in hot deserts?
    c) Pebbles
    d) Layer of salt
    b) Sand
    a) Mud
  • Which of the following regions are considered very cold deserts?
    a) Sahara Desert
    d) Sonoran Desert
    c) Gobi Desert
    b) Arctic and Antarctic regions
  • What is the primary cause of the formation of sand dunes in deserts?
    b) Earthquakes
    d) Wind erosion
    c) Glacial movement
    a) Volcanic eruptions
  • Which of the following animals is commonly found in the Sahara Desert?
    b) Polar bears
    c) Camels
    a) Penguins
    d) Kangaroos
  • What is the main source of water for desert animals that survive without drinking from external sources?
    c) Dew
    a) Their food
    d) Rainfall
    b) Underground rivers
  • How much water can a camel drink in a short period when it finds water?
    d) 115 litres or more
    a) 50 litres
    c) 100 litres
    b) 75 litres
  • Where are the Arctic and Antarctic deserts located?
    d) In the temperate regions
    c) In the tropics
    b) At the North and South poles
    a) Near the equator
  • What role do wind and erosion play in desert landscapes?
    c) Producing rainfall
    a) Creating sandstorms
    b) Forming sand dunes
    d) Promoting vegetation growth
  • How deep can the roots of the Acacia tree of hot deserts?
    c) Heavy rainfall
    a) Sunny and very dry conditions
    d) Snow-covered terrain
    b) Dense vegetation
  • What is the primary function of the root systems of desert plants?
    c) Storing excess water
    a) Anchoring the plant in the ground
    d) Reaching underground water sources
    b) Absorbing sunlight
  • How do some desert plants adapt to the dry conditions?
    c) By having shallow roots
    b) By developing thorns
    d) By developing long roots to reach deep underground water
    a) By growing taller
  • Which continent is the Sahara Desert located in?
    b) Africa
    c) Asia
    d) Europe
    a) South America
  • What is the primary factor determining whether an area is classified as a desert?
    a) Average annual temperature
    d) Altitude above sea level
    b) Amount of rainfall
    c) Presence of wildlife
  • What is a unique feature of camels that helps them survive in deserts?
    d) They hibernate during the day
    c) They can swim long distances
    a) They can fly
    b) They can go without drinking water for long periods
  • What plant can’t you find in a desert?
    d) Acacia tree
    a) Oak tree
    c) Palm tree
    b) Cactus
  • What animals do the Tuareg people commonly travel with?
    c) Camels
    b) Lions
    d) Horses
    a) Elephants
  • How do desert animals cope with the extreme temperatures?
    b) By migrating to cooler regions
    c) By sleeping during the day and being active at night
    a) By hibernating during the day
    d) By seeking shelter in caves
  • What type of terrain is typically found in most hot deserts
    a) Sandy dunes
    b) Dense forests
    c) Marshy wetlands
    d) Rocky or pebbly
  • What famous ancient structures are located in the Sahara Desert?
    a) Eiffel Tower
    d) Taj Mahal
    b) Great Wall of China
    c) Great Sphinx and Pyramids of Giza
  • How is the Sahara Desert described in terms of its ecosystem?
    d) Expanding
    b) Fragile
    a) Robust
    c) Stable
  • What characteristic makes camels well-suited for desert environments?
    b) Thick fur
    a) Efficient water storage and conservation
    c) Hibernation
    d) Short legs
  • What is the significance of the 250 mm rainfall threshold in defining deserts?
    c) It is used to distinguish between arid +semi-arid regions
    b) It represents the minimum rainfall required for vegetatio
    a) It indicates the maximum rainfall a desert can receive an
    d) It is used to calculate the desert's water budget
  • What aspect of the Sahara Desert is emphasized as important to protect?
    c) Ecosystem
    b) Sand dunes
    d) Weather patterns
    a) Ancient ruins
  • What is a common feature of the Sahara Desert's landscape?
    b) Rivers
    a) Sand dunes
    c) Volcanoes
    d) Glaciers
  • What are the temperatures like in the Sahara Desert during the day?
    a) Around 70°F
    d) Up to 150°F
    b) Around 90°F
    c) Up to 130°F