Think you know everything about sharks? Think again! Put your knowledge to the test with this quiz and see how many correct answers you can get out of 20.
1. Sharks are a group of which type of fish?
Cartilaginous
Bony
Ray-finned
Lobe-finned
2. How many species of sharks are there approximately?
500
1,000
2,000
5,000
3. Which organ is responsible for a shark's buoyancy?
Liver
Swim bladder
Fins
Cartilage
4. What is the primary component of a shark's skeleton?
Bones
Cartilage
Keratin
Calcium
5. Which species of shark is the largest?
Great White Shark
Tiger Shark
Whale Shark
Hammerhead Shark
6. For how long do sharks typically live?
5-10 years
10-20 years
20-30 years
20-30 years+
7. How do sharks primarily detect prey?
Sight
Smell
Electroreception
Sound
8. What unique feature do sharks’ teeth have?
Made of bone
Covered in enamel
Constantly replaced
Fixed in their mouth
9. Which shark is known to be able to live in both salt and fresh water?
Bull Shark
Great White Shark
Hammerhead Shark
Mako Shark
10. How fast can a mako shark swim?
15 mph
25 mph
45 mph
60 mph
11. Which shark species is known for having a 'hammer' shaped head?
Nurse Shark
Hammerhead Shark
Reef Shark
Tiger Shark
12. Approximately how many teeth do sharks lose in a lifetime?
1,000
10,000
30,000
40,000
13. Which sense is the most acute in sharks?
Sight
Smell
Hearing
Touch
14. How do some sharks, like the nurse shark, breathe when resting?
Continuous swimming
Buccal pumping
Utilizing swim bladder
Surface gulping
15. What is the primary diet of a Whale Shark?
Plankton
Small fish
Squid
Crustaceans
16. How many gill slits does an average shark have on each side?
Three
Four
Five
Six
17. How old is the oldest known shark?
50 years
150 years
300 years
500 years
18. Which shark is known for its unique glow-in-the-dark skin?
Goblin Shark
Lantern Shark
Megamouth Shark
Thresher Shark
19. Which part of the shark is most valuable in some cultures for making a delicacy soup?
Fins
Liver
Skin
Cartilage
20. What ability helps sharks heal from wounds quickly?
