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