Excretory Products and their Elimination

Multiple Choice Questions

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A condition of failure of kidney to form urine is called

  • Deamination

  • Entropy

  • Anuria

  • None of these

C.

Anuria

The terms anuria, oligonuria, polynuria and dysuria are used for the absence of urine, scanty urine, large amounts of urine, and painful urination respectively. Deamination is the removal of amino (NH) group frequently from an amino acid by transaminase enzymes.

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    Which is regarded as the urinary bladder of the embryo?

    • Amnion

    • Allantois

    • Chorion

    • Yolk sac

    Answer

    Pyloric sphincter guards the opening between

    • Stomach and Duodenum

    • Cardia and Fundus

    • Oesophagus and Stomach

    • Fundus and Pylorus

    Answer

    Uric acid is the excretory waste of

    • Adult amphibians

    • Birds

    • Amphibians Larvae

    • Mammals

    Answer

    Solenocytes are the main excretory structures in

    • Annelids

    • Molluscs

    • Echinodermates

    • Platyhelminthes

    Answer
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    The canal system is a characteristic feature of

    • Echinoderms

    • Helminths

    • Coelenterates

    • Sponges

    Answer

    The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

    • 20 mm Hg

    • 75 mm Hg

    • 30 mm Hg

    • 50 mm Hg

    Answer

    Which leaves the liver and moves towards kidney

    • Ammonia

    • Urea

    • Glycogen

    • Bile

    Answer

    Major nitrogenous waste product in ureotelic animals like rabbit and other mammals is

    • uric acid

    •  urea

    •  ammonia

    • amino acids

    Answer
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    Urine is concentrated in

    • kidney

    • deamination

    • arginine

    •  Omithine

    Answer
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