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