ThatQuiz Test Library Take this test now
How to Identify and Classify Shrimp
Contributed by: Wallis
  • 1. What is the primary body section that distinguishes shrimp from other crustaceans?
A) Large claws
B) Lack of antennae
C) Flattened body
D) Elongated abdomen with swimming pleopods
  • 2. Which feature is NOT typically used to classify shrimp?
A) Shape of telson
B) Presence of rostrum teeth
C) Eye color
D) Gill structure
  • 3. What is the rostrum?
A) The walking legs
B) The spine projecting from the head
C) The internal skeleton
D) The tail fan
  • 4. Penaeid shrimp are characterized by having...
A) No gills
B) Branched gills
C) Lamellar gills
D) External gills
  • 5. Caridean shrimp are characterized by having...
A) External gills
B) Branched gills
C) No gills
D) Lamellar gills
  • 6. Which is a common identifying characteristic of Penaeid shrimp?
A) A very short rostrum
B) No rostrum
C) Rostrum with teeth both dorsal and ventral
D) Rostrum with teeth only on the dorsal side
  • 7. Which is a common identifying characteristic of Caridean shrimp?
A) Rostrum with teeth both dorsal and ventral
B) No rostrum
C) Rostrum typically with teeth only on the dorsal side
D) A very short rostrum
  • 8. What are pleopods used for?
A) Grasping prey
B) Digging
C) Walking
D) Swimming
  • 9. What is the telson?
A) The central part of the tail fan
B) The heart
C) A walking leg
D) An antenna
  • 10. Why is gill structure important for shrimp classification?
A) It determines the shrimp's swimming speed
B) It indicates the shrimp's diet
C) It is related to the shrimp's color
D) It differentiates between Penaeid and Caridean shrimp
  • 11. Which family do tiger prawns belong to?
A) Penaeidae
B) Caridae
C) Alpheidae
D) Palaemonidae
  • 12. Which of these is a Caridean shrimp?
A) Whiteleg Shrimp
B) Pink Shrimp
C) Brown Shrimp
D) Cleaner Shrimp
  • 13. What type of environment do many Caridean shrimp inhabit?
A) Deep sea vents
B) Freshwater or brackish water
C) Polar regions
D) Open ocean
  • 14. What is the function of the carapace?
A) Used for swimming
B) Used for sensing
C) Protects the cephalothorax
D) Used for feeding
  • 15. What are pereiopods?
A) Swimming legs
B) Walking legs
C) Antennae
D) Mouthparts
  • 16. Which is the primary way shrimp osmoregulate?
A) Heart
B) Gills
C) Antennae
D) Exoskeleton
  • 17. What is the function of uropods?
A) Help form the tail fan for swimming
B) Used for sensing chemicals
C) Used for walking
D) Used for feeding
  • 18. What does the term 'decapod' refer to?
A) Twelve legs
B) Ten legs
C) Five legs
D) No legs
  • 19. What is the significance of the hepatic spines in shrimp classification?
A) They determine swimming speed
B) They are always present
C) They are present or absent depending on the species
D) They are always absent
  • 20. Which type of shrimp is known for its symbiotic relationships?
A) Caridean shrimp (some species)
B) No shrimp
C) All shrimp
D) Penaeid shrimp
  • 21. What is the most common commercial use of shrimp?
A) Food
B) Aquarium pets
C) Medicine
D) Scientific research only
  • 22. How are shrimp typically harvested?
A) Trawling
B) Spearfishing
C) Hand-picking only
D) Bait traps only
  • 23. What is the molting process in shrimp?
A) Hibernation
B) Regrowing lost limbs
C) Changing color
D) Shedding of the exoskeleton
  • 24. What is the meaning of the term 'benthic' when referring to shrimp?
A) Living on land
B) Living in the water column
C) Living in freshwater
D) Living on or near the seafloor
  • 25. The presence or absence of a postorbital spine can help classify shrimp. Where is it located?
A) On the rostrum
B) On the tail
C) Behind the eye
D) On the walking legs
  • 26. Which of the following characteristics is LEAST helpful in identifying shrimp species?
A) Number of rostrum teeth
B) Arrangement of gills
C) Shape of the carapace
D) Weight
  • 27. What is the primary food source for many shrimp species?
A) Seaweed only
B) Detritus and small organisms
C) Sunlight
D) Large fish
  • 28. What role do shrimp play in the marine ecosystem?
A) Only predator
B) Decomposers only
C) Both prey and predator
D) Only prey
  • 29. What is the function of the statocyst in shrimp?
A) Pumping blood
B) Smelling food
C) Balance and orientation
D) Seeing underwater
  • 30. What is a 'mysis' stage in shrimp development?
A) A larval stage
B) A reproductive stage
C) A molting stage
D) An adult stage
Created with That Quiz — where a math practice test is always one click away.