Crustacean - Quiz
Crustacean
  • 1. What class do crustaceans belong to?
A) Malacostraca
B) Arachnida
C) Insecta
D) Diplopoda
  • 2. Which crustacean is known for its powerful claw used for defense?
A) Barnacle
B) Lobster
C) Crayfish
D) Shrimp
  • 3. What is the name of the hard outer shell that covers the bodies of crustaceans?
A) Exoskeleton
B) Endoskeleton
C) Shellac
D) Carapace
  • 4. What is the largest species of crab in the world?
A) Dungeness crab
B) Coconut crab
C) Japanese spider crab
D) Blue crab
  • 5. What is the name of the process in which crustaceans shed their exoskeleton in order to grow?
A) Molting
B) Hibernation
C) Camouflage
D) Reproduction
  • 6. Which crustacean is known for its ability to produce a loud snapping sound by closing its claws quickly?
A) Pistol shrimp
B) Ghost shrimp
C) Rock crab
D) Alaskan king crab
  • 7. What is the specialized appendage that some crustaceans use to clean their gills called?
A) Pereopods
B) Chelipeds
C) Scaphognathite
D) Uropods
  • 8. Which crustacean is commonly associated with freshwater habitats?
A) Crayfish
B) Shrimp
C) Lobster
D) King crab
  • 9. Which crustacean is often called a 'living fossil' due to its similar appearance over millions of years?
A) Snow crab
B) Coconut crab
C) Dungeness crab
D) Horseshoe crab
  • 10. What is the name of the long, segmented appendages found on a crayfish's tail?
A) Uropods
B) Maxillipeds
C) Swimmerets
D) Chelipeds
  • 11. How many legs do most crustaceans have?
A) 10
B) 4
C) 8
D) 6
  • 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) Artiodactyla
B) Carnivora
C) Primates
D) Decapoda
  • 14. Which crustacean is known for its bright, vibrant colors and powerful punch?
A) Pistol shrimp
B) Mantis shrimp
C) Rock crab
D) Ghost shrimp
  • 15. What is the primary diet of a barnacle?
A) Algae
B) Detritus
C) Small fish
D) Plankton
  • 16. Which crustacean is known for its bright red color and is often associated with seafood boils?
A) Crawfish
B) Fox
C) Wolf
D) Bear
  • 17. What is the meaning of the Latin word 'crustacea'?
A) Invertebrates without exoskeletons
B) Those with shells or crusted ones
C) Small aquatic animals
D) Animals with multiple legs
  • 18. Which group of arthropods do crustaceans belong to?
A) Subphylum Crustacea
B) Phylum Annelida
C) Order Araneae
D) Class Insecta
  • 19. Which clade includes both crustaceans and hexapods?
A) Mandibulata
B) Pancrustacea
C) Chelicerata
D) Arachnida
  • 20. Which of the following is not a class closely related to hexapods?
A) Branchiopoda
B) Oligostracans
C) Cephalocarida
D) Remipedia
  • 21. What is the smallest described crustacean species?
A) Japanese spider crab
B) American lobster
C) Giant freshwater prawn
D) Stygotantulus stocki
  • 22. Which feature distinguishes crustaceans from other arthropods?
A) Segmented body
B) Biramous limbs
C) Moulting process
D) Exoskeleton
  • 23. What is the main body cavity of crustaceans called?
A) Haemocoel
B) Peritoneum
C) Coelom
D) Mesentery
  • 24. Which pigment do malacostracans use for oxygen transport?
A) Haemocyanin
B) Myoglobin
C) Cytochrome c
D) Hemoglobin
  • 25. Which country produces nearly half of the world's total crustacean output?
A) USA
B) India
C) Japan
D) China
  • 26. When did shrimp and crabs first appear in the fossil record?
A) Cretaceous
B) Carboniferous
C) Jurassic
D) Triassic
  • 27. Which crustaceans attach their eggs in rows to rocks and other objects?
A) Peracarids
B) Anostracans
C) Female Branchiura
D) Copepods
  • 28. Which fossil burrow is attributed to crayfishes?
A) Nurra
B) Ophiomorpha
C) Tesnusocaris
D) Camborygma
  • 29. Which crustacean group is not widely consumed despite its large biomass?
A) Lobsters
B) Crabs
C) Shrimp and prawns
D) Krill
  • 30. Which subclass was suggested to be elevated to class status in recent classifications?
A) Maxillipoda
B) Branchiura
C) Copepoda
D) Mystacocarida
  • 31. Which class of crustaceans first appears in the fossil record with Tesnusocaris goldichi?
A) Branchiopoda
B) Maxillopoda
C) Remipedia
D) Malacostraca
  • 32. Which period saw the great radiation of crustaceans, particularly crabs?
A) Cambrian
B) Cretaceous
C) Jurassic
D) Permian
  • 33. Who first used the name 'Crustacea' in a nomenclatural valid work?
A) Guillaume Rondelet
B) Pierre Belon
C) Carl Linnaeus
D) Morten Thrane BrĂ¼nnich
  • 34. Which extinct group of crustaceans is part of the Phyllopoda class?
A) Leptostraca
B) Canadaspidida
C) Aeschronectida
D) Mantis shrimp
  • 35. Which type of crustaceans are known for being parasitic?
A) Crustacean lice
B) Peracarids
C) Woodlice
D) Krill
  • 36. Which crustacean class has no known fossil record?
A) Malacostraca
B) Branchiopoda
C) Maxillopoda
D) Cephalocarida
  • 37. Which period's deposits preserve the oldest fluvial burrows ascribed to ghost shrimps?
A) Cretaceous
B) Jurassic
C) Triassic
D) Permian: Roadian
  • 38. What is parthenogenesis in crustaceans?
A) Viable eggs are produced by a female without fertilization by a male.
B) Males and females switch roles during reproduction.
C) Crustaceans reproduce through fragmentation.
D) Eggs are fertilized externally in the water.
  • 39. What is the function of the 'gastric mill' in crustaceans?
A) Absorbing nutrients
B) Oxygenating blood
C) Excreting waste
D) Grinding food
  • 40. Where is the heart located in crustaceans?
A) Within the cephalothorax
B) At the base of the antennae
C) In the abdomen
D) Near the dorsum
  • 41. What is a common reproductive strategy among crustaceans?
A) Budding
B) Sexual reproduction
C) Binary fission
D) Spore formation
  • 42. Which crustacean has males that choose mates based on dietary differences?
A) Cephalocarida
B) Eriocheir sinensis
C) T. californicus
D) Hemigrapsus sanguineus
  • 43. Which class was recognized as non-monophyletic in recent classifications?
A) Maxillopoda
B) Malacostraca
C) Branchiopoda
D) Ostracoda
  • 44. Which DNA repair process is predominantly used by Penaeus monodon for double-strand breaks?
A) Base excision repair
B) Microhomology-mediated end joining
C) Non-homologous end joining
D) Homologous recombinational repair
  • 45. What is the earliest and most characteristic larval form of crustaceans?
A) Megalopa
B) Nauplius
C) Zoea
D) Post-larva
  • 46. What percentage of all crustaceans caught for consumption are shrimp and prawns?
A) About 50%
B) Under 30%
C) Nearly 80%
D) Over 60%
  • 47. Which crustacean appendages are typically biramous?
A) First pair of antennae only
B) Second pair of antennae and other limbs except the first pair
C) No appendages
D) All appendages in all classes
  • 48. What is a unique feature of barnacles' reproductive system?
A) They have external fertilization in open water.
B) They change sex during their life.
C) Some are hermaphrodites.
D) They reproduce only through parthenogenesis.
  • 49. Which crustacean's DNA damage response was studied after ultraviolet irradiation?
A) Penaeus monodon
B) Tigriopus japonicus
C) Homarus americanus
D) Daphnia pulex
  • 50. How do most decapods carry their eggs?
A) Attached to the pleopods
B) In external ovisacs
C) Between thoracic limbs
D) In thin-walled sacs
  • 51. What is the function of pleopods in malacostracans?
A) Antennae for sensing
B) Legs for walking
C) Mouthparts for feeding
D) Abdominal appendages
  • 52. From which period do the first true mantis shrimp fossils appear?
A) Carboniferous
B) Triassic
C) Jurassic
D) Cambrian
  • 53. What is a significant impact of crustacean invasions in the Mediterranean?
A) They improve water quality.
B) They have no noticeable effect.
C) They affect local ecosystems.
D) They increase biodiversity.
  • 54. Name a group of crustaceans that have adapted to terrestrial life.
A) Terrestrial crabs
B) Marine lobsters
C) Deep-sea shrimp
D) Coral reef fish
  • 55. How many described species are there in the subphylum Crustacea?
A) Almost 67,000
B) About 50,000
C) Less than 10,000
D) Over 100,000
  • 56. What is the function of spikes on a zoea's carapace?
A) Assist in maintaining directional swimming
B) Serve as sensory organs
C) Provide camouflage against predators
D) Increase speed during swimming
  • 57. What substance covers the eyes of some crustacean larvae for camouflage?
A) Isoxanthopterin
B) Calcium carbonate
C) Chitin
D) Protein fibers
  • 58. Which crustaceans are attributed to the fossil burrow Ophiomorpha?
A) Crayfishes
B) Ghost shrimps
C) Crabs
D) Prawns
  • 59. What type of environment do most crustaceans inhabit?
A) Desert
B) Aerial
C) Aquatic
D) Terrestrial only
  • 60. When did prawns and polychelids first appear in the fossil record?
A) Cretaceous
B) Jurassic
C) Triassic
D) Carboniferous
Created with That Quiz — the math test generation site with resources for other subject areas.