Test your knowledge of the world's deserts with our interactive deserts quiz! Can you answer all of the following questions and get a perfect score?

Click on the links that you think best answer each quiz question below. Good luck!

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1. How tall is the tallest-recorded Saguaro cactus?
   
   
   1. 12 feet 8 inches
   2. 22 feet
   3. 31 feet 3 inches
   4. 57 feet 11 inches
2. The Sahara Desert covers 3.5 million square miles. Of this area, how much is oases that can support plant life?
   
   
   1. 1 square mile
   2. 20 square miles
   3. 400 square miles
   4. 80,000 square miles
3. The Gila monster is one of only two venomous lizards. What is the other?
   
   
   1. Komodo dragon
   2. Mexican beaded lizard
   3. Bearded dragon
   4. Regal horned lizard
4. True or false: Climate change is not a threat to deserts.
   
   
   1. True
   2. False
5. Which of the following is not a type of cactus?
   
   
   1. Angora bunny ears
   2. Dead man's fingers
   3. Plateau striped whiptail
   4. Peruvian old man
6. What percentage of the planet’s human population lives in desert regions?
   
   
   1. 5 percent
   2. 9 percent
   3. 13 percent
   4. 32 percent
7. True or false: Scorpions are fluorescent under ultraviolet light.
   
   
   1. True
   2. False
8. Which of the following species is not found in Arizona?
   
   
   1. Mojave Desert Sidewinder
   2. Utah Blind Snake
   3. Rusty whipsnake
   4. Big Bend Patch-Nosed Snake
9. True or false: No rain fell for over 40 years in Chile's Atacama Desert.
   
   
   1. True
   2. False
10. The hottest temperature ever recorded on Earth was at El Azizia in Libya on Sept. 13, 1922. What was that temperature.
    
    
    1. -45° F / -42.78° C
    2. 121° F / 49.44° C
    3. 136° F / 57.8° C
    4. 251° F / 122° C

Deserts Quiz Scoring Guide

• 0-2 correct: Desert novice – Start over at our deserts habitat.
• 3-5 correct: Deserts apprentice – Check out this desert video to brush up your knowledge
• 6-8 correct: Desert ranger – Very good!  Send a free deserts e-card to friends and family to show your support of the world's oceans.
• 9-10 correct: Desert conservationist – You're a real pro! Test your knowledge of the Earth's other habitats.