Recent

  • Show all results for ""

🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

Buoyancy
23 Questions
2 Views

Buoyancy

Created by
@IrreproachableSense

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the most appropriate terminology for the gas bladder in fish?

  • Swim bladder (correct)
  • Air bladder
  • Gas sac
  • Buoyancy bladder

    • Which type of fish has a physoclistous gas bladder?

  • Spiny ray-finned teleosts (correct)
  • Deep sea fishes
  • Soft ray-finned teleosts
  • Cartilaginous fishes

    • What is the function of the gas gland in fish?

  • Gas composition regulation
  • Volume control
  • Secretion of gas (correct)
  • Resorption of gas

    • Which structure maximizes oxygen uptake in fish by maintaining a stable oxygen gradient?

    <p>Counter current multiplier</p> Signup and view all the answers

    In which type of fish does the inflation of the gas bladder occur by gulping air at the water surface?

    <p>Physostomous fish</p> Signup and view all the answers

    What is the ancestral condition of the skeleton in sharks?

    <p>Cartilaginous skeleton</p> Signup and view all the answers

    Which type of fish is seldom seen retaining low density compounds?

    <p>Freshwater teleosts</p> Signup and view all the answers

    What is the primary function of the gas bladder in fish?

    <p>Achieve neutral buoyancy</p> Signup and view all the answers

    Which type of fish has a smaller gas bladder for streamlining to increase hydrodynamic efficiency?

    <p>Sharks</p> Signup and view all the answers

    What is the composition of the gas bladder in fish?

    <p>Different from air</p> Signup and view all the answers

    Which type of fish has a reduced skeletal-muscular system and no gas bladders in deep waters?

    <p>Deep sea fishes</p> Signup and view all the answers

    What is the ancestral condition of the gas bladder in fish?

    <p>Ancestral lung</p> Signup and view all the answers

    What is the principle that states an object completely or partly immersed in a fluid is 'buoyed up' by a force equal to the weight of the fluid displaced?

    <p>Archimedes' Principle</p> Signup and view all the answers

    What is the condition for neutral buoyancy (weightlessness) of an object in water?

    <p>It displaces a volume of water equal to its weight out of water.</p> Signup and view all the answers

    Which strategy for achieving buoyancy in fishes involves the use of gas bladders (swim bladders)?

    <p>Use of gas bladders (swim bladders)</p> Signup and view all the answers

    What is the specific gravity condition for positive buoyancy in comparison to the density of water?

    <p>Specific gravity of the object &gt; density of water</p> Signup and view all the answers

    Which fish species achieves buoyancy through the retention of low-density compounds such as large fatty livers and lipids with a specific gravity of 0.9-0.92?

    <p>Petromyzon marinus</p> Signup and view all the answers

    What is the specific gravity of the body of Carcharinus plumbeus, a shark species, due to the retention of low-density compounds in its large livers and lipids?

    <p>0.9-0.92</p> Signup and view all the answers

    Which type of skeleton lacks a gas bladder for achieving buoyancy?

    <p>Cartilaginous Skeleton</p> Signup and view all the answers

    What is the specific gravity of squalene, a low-density compound found in the large livers of sharks?

    <p>0.86</p> Signup and view all the answers

    In which strategy for achieving buoyancy do fishes reduce the density of heavy (dense) tissues such as bone and muscle?

    <p>Reduction of heavy (dense) tissues</p> Signup and view all the answers

    What is the specific gravity of water?

    <p>1.0</p> Signup and view all the answers

    What is the term for the condition where the specific gravity of an object equals the density of water, resulting in it being suspended in water without sinking or floating?

    <p>Neutral buoyancy</p> Signup and view all the answers

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser