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