Ocr a level biology gas exchange in fish
Quiz by Thomas Holland
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8 questions
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- Q1Where does gas exchange occur in fish?StomachSkinLungsGills30s
- Q2What is the role of countercurrent flow in fish gill structure?Increases carbon dioxide retentionMinimizes oxygen uptakeAids in food digestionMaximizes oxygen uptake30s
- Q3How do fish extract oxygen from water in their environment?By drinking waterThrough diffusion across their gillsBy absorbing oxygen through their skinBy inhaling through their mouth30s
- Q4Which gas is exchanged by fish during respiration?Carbon dioxideHydrogenOxygenNitrogen30s
- Q5Which of the following components in fish gills is responsible for the actual exchange of gases?Gill lamellaeGill archesOperculumPseudobranch30s
- Q6What is the main respiratory pigment found in fish that aids in oxygen transport?HemoglobinChlorophyllKeratinMelanin30s
- Q7What is the specific structure in fish gills that increases the surface area for gas exchange?LamellaeCapillaryAlveolusFilament30s
- Q8What is the function of the operculum in fish respiration?It aids in gas exchangeIt stores excess oxygenIt filters water for oxygen extractionIt protects the gills30s