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