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