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