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