A) Insecta B) Arachnida C) Malacostraca D) Diplopoda
A) Barnacle B) Shrimp C) Lobster D) Crayfish
A) Carapace B) Endoskeleton C) Exoskeleton D) Shellac
A) Dungeness crab B) Blue crab C) Coconut crab D) Japanese spider crab
A) Hibernation B) Molting C) Camouflage D) Reproduction
A) Alaskan king crab B) Ghost shrimp C) Pistol shrimp D) Rock crab
A) Uropods B) Scaphognathite C) Chelipeds D) Pereopods
A) Crayfish B) Lobster C) King crab D) Shrimp
A) Horseshoe crab B) Snow crab C) Dungeness crab D) Coconut crab
A) Uropods B) Chelipeds C) Maxillipeds D) Swimmerets
A) 6 B) 8 C) 4 D) 10
A) Malacology B) Arachnology C) Carcinology D) Entomology
A) Decapoda B) Artiodactyla C) Carnivora D) Primates
A) Mantis shrimp B) Pistol shrimp C) Rock crab D) Ghost shrimp
A) Detritus B) Plankton C) Algae D) Small fish
A) Crawfish B) Fox C) Bear D) Wolf
A) Animals with multiple legs B) Small aquatic animals C) Invertebrates without exoskeletons D) Those with shells or crusted ones
A) Order Araneae B) Phylum Annelida C) Class Insecta D) Subphylum Crustacea
A) Pancrustacea B) Mandibulata C) Chelicerata D) Arachnida
A) Cephalocarida B) Remipedia C) Oligostracans D) Branchiopoda
A) Stygotantulus stocki B) American lobster C) Japanese spider crab D) Giant freshwater prawn
A) Segmented body B) Exoskeleton C) Moulting process D) Biramous limbs
A) Peritoneum B) Haemocoel C) Mesentery D) Coelom
A) Hemoglobin B) Haemocyanin C) Myoglobin D) Cytochrome c
A) India B) USA C) China D) Japan
A) Triassic B) Jurassic C) Cretaceous D) Carboniferous
A) Copepods B) Female Branchiura C) Peracarids D) Anostracans
A) Tesnusocaris B) Camborygma C) Nurra D) Ophiomorpha
A) Shrimp and prawns B) Lobsters C) Crabs D) Krill
A) Branchiura B) Maxillipoda C) Mystacocarida D) Copepoda
A) Malacostraca B) Maxillopoda C) Branchiopoda D) Remipedia
A) Permian B) Jurassic C) Cretaceous D) Cambrian
A) Guillaume Rondelet B) Carl Linnaeus C) Morten Thrane Brünnich D) Pierre Belon
A) Aeschronectida B) Canadaspidida C) Leptostraca D) Mantis shrimp
A) Woodlice B) Peracarids C) Krill D) Crustacean lice
A) Malacostraca B) Branchiopoda C) Maxillopoda D) Cephalocarida
A) Triassic B) Permian: Roadian C) Jurassic D) Cretaceous
A) Males and females switch roles during reproduction. B) Eggs are fertilized externally in the water. C) Viable eggs are produced by a female without fertilization by a male. D) Crustaceans reproduce through fragmentation.
A) Grinding food B) Absorbing nutrients C) Excreting waste D) Oxygenating blood
A) Near the dorsum B) At the base of the antennae C) Within the cephalothorax D) In the abdomen
A) Binary fission B) Sexual reproduction C) Spore formation D) Budding
A) Hemigrapsus sanguineus B) Eriocheir sinensis C) Cephalocarida D) T. californicus
A) Maxillopoda B) Branchiopoda C) Ostracoda D) Malacostraca
A) Base excision repair B) Homologous recombinational repair C) Non-homologous end joining D) Microhomology-mediated end joining
A) Megalopa B) Post-larva C) Nauplius D) Zoea
A) About 50% B) Over 60% C) Under 30% D) Nearly 80%
A) Second pair of antennae and other limbs except the first pair B) No appendages C) All appendages in all classes D) First pair of antennae only
A) They reproduce only through parthenogenesis. B) Some are hermaphrodites. C) They have external fertilization in open water. D) They change sex during their life.
A) Tigriopus japonicus B) Homarus americanus C) Daphnia pulex D) Penaeus monodon
A) In external ovisacs B) In thin-walled sacs C) Attached to the pleopods D) Between thoracic limbs
A) Abdominal appendages B) Mouthparts for feeding C) Antennae for sensing D) Legs for walking
A) Cambrian B) Triassic C) Jurassic D) Carboniferous
A) They improve water quality. B) They increase biodiversity. C) They have no noticeable effect. D) They affect local ecosystems.
A) Marine lobsters B) Coral reef fish C) Deep-sea shrimp D) Terrestrial crabs
A) Almost 67,000 B) About 50,000 C) Less than 10,000 D) Over 100,000
A) Provide camouflage against predators B) Assist in maintaining directional swimming C) Serve as sensory organs D) Increase speed during swimming
A) Chitin B) Calcium carbonate C) Protein fibers D) Isoxanthopterin
A) Ghost shrimps B) Prawns C) Crabs D) Crayfishes
A) Desert B) Aerial C) Aquatic D) Terrestrial only
A) Jurassic B) Triassic C) Carboniferous D) Cretaceous |