- 1. What class do crustaceans belong to?
A) Diplopoda
B) Malacostraca
C) Insecta
D) Arachnida
- 2. Which crustacean is known for its powerful claw used for defense?
A) Barnacle
B) Crayfish
C) Shrimp
D) Lobster
- 3. What is the name of the hard outer shell that covers the bodies of crustaceans?
A) Carapace
B) Endoskeleton
C) Shellac
D) Exoskeleton
- 4. What is the largest species of crab in the world?
A) Coconut crab
B) Japanese spider crab
C) Blue crab
D) Dungeness crab
- 5. What is the name of the process in which crustaceans shed their exoskeleton in order to grow?
A) Hibernation
B) Reproduction
C) Camouflage
D) Molting
- 6. Which crustacean is known for its ability to produce a loud snapping sound by closing its claws quickly?
A) Ghost shrimp
B) Rock crab
C) Alaskan king crab
D) Pistol shrimp
- 7. Which crustacean is known for its bright, vibrant colors and powerful punch?
A) Ghost shrimp
B) Rock crab
C) Mantis shrimp
D) Pistol shrimp
- 8. How many legs do most crustaceans have?
A) 6
B) 10
C) 8
D) 4
- 9. What is the primary diet of a barnacle?
A) Algae
B) Detritus
C) Plankton
D) Small fish
- 10. Which crustacean is known for its bright red color and is often associated with seafood boils?
A) Fox
B) Crawfish
C) Bear
D) Wolf
- 11. Which crustacean is often called a 'living fossil' due to its similar appearance over millions of years?
A) Coconut crab
B) Horseshoe crab
C) Dungeness crab
D) Snow crab
- 12. What is the scientific term for the study of crustaceans?
A) Malacology
B) Carcinology
C) Arachnology
D) Entomology
- 13. What is the scientific order that includes crustaceans such as crabs, lobsters, and shrimp?
A) Carnivora
B) Primates
C) Artiodactyla
D) Decapoda
- 14. What is the name of the long, segmented appendages found on a crayfish's tail?
A) Uropods
B) Maxillipeds
C) Swimmerets
D) Chelipeds
- 15. What is the specialized appendage that some crustaceans use to clean their gills called?
A) Chelipeds
B) Scaphognathite
C) Pereopods
D) Uropods
- 16. Which crustacean is commonly associated with freshwater habitats?
A) Lobster
B) King crab
C) Crayfish
D) Shrimp
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