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