Excretory Products and their Elimination

Multiple Choice Questions

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Which leaves the liver and moves towards kidney

  • Ammonia

  • Urea

  • Glycogen

  • Bile

B.

Urea

Urea is the main nitrogenous excretory product of ureotelic animals. It is produced by liver cells from deaminated excess amino acid via urea cycle or Omithine cycle. Urea is released outside the body in the form of urine through the kidneys.

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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

    A condition of failure of kidney to form urine is called

    • Deamination

    • Entropy

    • Anuria

    • None of these

    Answer
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    Solenocytes are the main excretory structures in

    • Annelids

    • Molluscs

    • Echinodermates

    • Platyhelminthes

    Answer

    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

    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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