Octopus - Exam
A) Mollusca B) Cephalopoda C) Arthropoda D) Pisces
A) Four B) Two C) Three D) One
A) Pacific Ocean B) Arctic Ocean C) Indian Ocean D) Atlantic Ocean
A) Carotene B) Melanin C) Chromatophores D) Hemoglobin
A) Ten B) Twelve C) Six D) Eight
A) Through gills B) Through a snorkel-like tube C) Through skin D) Through lungs
A) Blue ringed octopus B) Dumbo octopus C) Giant Pacific octopus D) Veined octopus
A) Veined octopus B) Dumbo octopus C) Blue ringed octopus D) Giant Pacific octopus
A) Octopoda B) Mollusca C) Arthropoda D) Cephalopodidae
A) Exactly 500 species B) Over 1000 species C) About 50 species D) Some 300 species
A) Spherically symmetric B) Bilaterally symmetric C) Asymmetric D) Radially symmetric
A) Their tentacles B) The siphon C) Their beak D) Their mantle
A) They continue to live for many years B) They migrate to a different habitat C) They start caring for the eggs D) They become senescent and die
A) It is harmless to humans B) It can make humans invisible C) It is deadly to humans D) It cures diseases
A) Medusa B) Pegasus C) Cerberus D) The kraken
A) Calligraphy B) Pottery C) Shunga erotic art D) Woodblock prints
A) Toilers of the Sea B) The Hunchback of Notre-Dame C) The Man Who Laughs D) Les Misérables
A) Expelling ink B) Flying away C) Building nests D) Singing loudly
A) Octopuses B) Octopi C) Octo D) Octopodes
A) Fireworks B) Electric shocks C) Sound waves D) Camouflage and deceit
A) A specially-adapted arm B) The beak C) The mantle D) The siphon
A) They care for the eggs until they hatch and then die B) They migrate to a new habitat C) They eat the eggs D) They abandon the eggs
A) Their siphon B) Their beak C) Their eyes D) Their tentacles
A) 30–60 kg (66–132 lb) B) 10–50 kg (22–110 lb) C) 5–20 kg (11–44 lb) D) 70–100 kg (154–220 lb)
A) Head B) Arm C) Funnel D) Mantle
A) Six pairs B) Four pairs C) Eight pairs D) Two pairs
A) Cells in the fibrous dermis B) Suckers on the arms C) Muscles in the mantle D) Cartilaginous capsules
A) Nerve impulses from the brain B) Chemical secretions C) Muscle contractions in the suckers D) Pressure changes in the mantle
A) Octopus wolfi B) Cirrina C) Haliphron atlanticus D) Giant Pacific octopus
A) Screens incident light in bright conditions B) Detects sound waves C) Produces light D) Changes color for camouflage
A) Silica B) Collagen C) Bone D) Cartilage
A) Open B) Closed C) Semi-closed D) None
A) Haemocyanin B) Cytochrome c C) Myoglobin D) Hemoglobin
A) Bluish B) Red C) Yellow D) Green
A) Fuchs et al., 2019 B) Sanchez et al., 2018 C) Ibáñez et al., 2020 D) Kröger et al., 2011
A) France B) United States C) Italy D) Germany
A) Cirrates B) Pterygota C) Decapods D) Incirrates
A) Vulcanoctopus hydrothermalis B) Spoon-armed octopus C) Hawaiian day octopus D) Common octopus
A) Seagrass beds B) Coral reefs C) Fresh water D) Hydrothermal vents
A) Aristotle B) Georges Cuvier C) Japetus Steenstrup D) Heinrich Müller
A) Observational learning B) Operant conditioning C) Social learning D) Classical conditioning
A) Gram-negative bacterium Vibrio lentus B) Fungus Vibrio lentus C) Protozoan Vibrio lentus D) Gram-positive bacterium Vibrio lentus
A) Giant Pacific octopuses B) Blue-ringed octopuses C) Common octopuses D) Cirrate octopuses
A) Helicase enzymes B) ADAR enzymes C) RNA polymerase enzymes D) DNA ligase enzymes
A) Carotene B) Hemoglobin C) Chlorophyll D) Melanin
A) Cirrina B) Vibrio C) Dicyemidae D) Aggregata
A) Argonauts B) Spoon-armed octopus C) Vulcanoctopus hydrothermalis D) Common octopus
A) 3% B) 65% C) Around 41% D) 33%
A) Ancient Egypt B) Minoan civilization C) Roman Empire D) Maya Civilization
A) Senescence B) Maturity C) Juvenile stage D) Reproduction
A) One B) Four C) Three D) Two
A) Taishokan B) Genji Monogatari C) Nihon Shoki D) Kojiki
A) Flapper valves B) Circular muscles C) Branchial hearts D) Radial muscles
A) Protein B) Chitin C) Silica D) Calcium carbonate
A) Jaws B) Twenty Thousand Leagues Under the Sea C) Moby Dick D) Gravity's Rainbow (1973)
A) Blood B) Urine C) Fluid D) Ammonia
A) Conspicuous warning coloration B) Camouflage to blend into surroundings C) Ejecting ink as a defense mechanism D) Changing texture of the skin
A) Hectocotylus B) Tentacles C) Beak D) Funnel
A) Grimpoteuthis. B) Octopus vulgaris. C) Sepia officinalis. D) Enteroctopus dofleini.
A) They disappear completely B) They expand and become more visible C) They change color to blend in with surroundings D) The muscular skin folds contract, revealing the iridescent warning
A) The mantle develops B) The embryo splits into two C) The shell gland forms D) The germinal disc surrounds the yolk, forming a yolk sac
A) Mimicking other, more dangerous animals B) Changing color to blend with sand C) Building complex shelters D) Emitting bioluminescent light
A) The crop B) The stomach C) The caecum D) The buccal mass
A) Seven months B) Two months C) One month D) Five months (160 days)
A) No B) Only if connected to the mantle cavity C) Only if connected to the brain D) Yes
A) U, W, or dumbbell-shaped B) Round C) Triangular D) Square
A) Is negligible compared to resting energy use B) Is higher than all other activities combined C) Nearly matches the energy used at rest D) Is lower than the energy used at rest
A) 50% B) 66% C) 80% D) 40%
A) Extensive connective tissue lattices B) Muscle fibers C) Cartilage supports D) Bony frameworks
A) Strychnine B) Curare C) Tetrodotoxin D) Cyanide
A) Flat disc B) Cornucopia-shaped C) Cylindrical D) Spherical
A) Charles Darwin B) William Elford Leach C) Carl Linnaeus D) Gregor Mendel
A) Yes, but only in their brains B) No C) Only during mating displays D) Yes, like many other animals
A) Temperate coastal waters B) Warmer tropical waters C) Shallow estuarine waters D) Colder waters, such as those off Alaska
A) It uses more oxygen. B) The systemic heart becomes inactive. C) Its blood pressure drops. D) It has no gill hearts.
A) Eight B) Two C) Four D) One
A) Germany B) United Kingdom C) Italy D) France
A) Changing color to communicate B) Bluffing a threatening appearance C) Camouflaging into the environment D) Ejecting ink as a defense mechanism
A) Temperature changes B) Lack of food C) Predator presence D) The optic glands
A) Spoon-armed octopus B) Hawaiian day octopus C) Vulcanoctopus hydrothermalis D) Abdopus aculeatus
A) The stomach B) The crop C) The caecum D) The intestine
A) Dicyemidae B) Aggregata C) Vibrio D) Cephalopoda
A) Pelagic waters B) Deep ocean trenches C) Shallow tide pools D) Coral reefs
A) Pots B) Hooking C) Trawling D) Trapping
A) Under the digestive gland B) In the mantle cavity C) Attached to the optic gland D) Near the beak |
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