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