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