JAMB Biology questions

438 questions with answers and explanations. Tap an option to check yourself.

1. Question 161· Excretion· JAMB

   The liver contributes to excretion by

   • Aproducing sweat
   • Bfiltering blood
   • Cstoring urine
   • Ddeaminating excess amino acids to form urea

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2. Question 162· Excretion· JAMB

   The lungs excrete

   • Abile pigments
   • Burea
   • Ccarbon(IV) oxide and water vapour
   • Dsalts

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3. Question 163· Excretion· JAMB

   Sweating helps the body to

   • Aregulate its temperature
   • Bdigest food
   • Cmake urine
   • Dstore fat

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4. Question 164· Excretion· JAMB

   The excretory structures of a flatworm such as Planaria are

   • Aflame cells
   • Bnephridia
   • CMalpighian tubules
   • Dkidneys

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5. Question 165· Excretion· JAMB

   A person whose kidneys have failed may be kept alive by

   • Aantibiotics
   • Bblood transfusion
   • Cvaccination
   • Ddialysis

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6. Question 166· Excretion· JAMB

   The functional unit of the kidney is the:

   • Aneuron
   • Bvillus
   • Calveolus
   • Dnephron

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7. Question 167· Excretion· JAMB

   Amoeba gets rid of carbon(IV) oxide and ammonia by

   • AMalpighian tubules
   • Bflame cells
   • Ckidneys
   • Ddiffusion through the cell membrane

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8. Question 168· Excretion· JAMB

   The excretory organs of the earthworm are the

   • AMalpighian tubules
   • Bflame cells
   • Cnephridia
   • Dkidneys

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9. Question 169· Excretion· JAMB

   The excretory organs of insects are the

   • Anephridia
   • Bflame cells
   • CMalpighian tubules
   • Dcontractile vacuoles

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10. Question 170· Excretion· JAMB

    Which of these substances is removed from the body by sweat glands?

    • Aglucose
    • Bbile pigments
    • Ccarbon(IV) oxide only
    • Dwater, salts and a little urea

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11. Question 171· Excretion· JAMB

    Urea is carried from the liver to the kidneys in the

    • Abile duct
    • Blymph
    • Cblood plasma
    • Dureter

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12. Question 172· Excretion· JAMB

    Through their stomata, plants get rid of

    • Aurea
    • Boxygen, carbon(IV) oxide and water vapour
    • Csalts
    • Duric acid

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13. Question 173· Excretion· JAMB

    The loop of Henle in the kidney mainly helps to

    • Aproduce urea
    • Bfilter blood
    • Cstore urine
    • Dreabsorb water so that concentrated urine can be produced

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14. Question 174· Excretion· JAMB

    The presence of glucose in a person's urine may indicate

    • Adiabetes mellitus
    • Bmalaria
    • Canaemia
    • Dgoitre

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15. Question 175· Excretion· JAMB

    Glucose is reabsorbed from the filtrate mainly in the

    • Aproximal convoluted tubule
    • Bglomerulus
    • Ccollecting duct
    • Dbladder

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16. Question 176· Excretion· JAMB

    The skin excretes

    • Afaeces
    • Bcarbon(IV) oxide only
    • Cbile
    • Dsweat containing water, salts and some urea

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17. Question 177· Excretion· JAMB

    ADH increases the reabsorption of water in the

    • Aglomerulus
    • Bcollecting ducts
    • CBowman's capsule
    • Dureter

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18. Question 178· Excretion· JAMB

    Urea is formed in the:

    • Aliver
    • Bkidney
    • Cbladder
    • Dpancreas

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19. Question 179· Excretion· JAMB

    Kidney failure can be treated by

    • Ablood transfusion alone
    • Bappendectomy
    • Cdialysis or a kidney transplant
    • Dvaccination

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20. Question 180· Excretion· JAMB

    Most bony fishes excrete their nitrogenous waste mainly as

    • Aammonia
    • Burea
    • Curic acid
    • Dnitrates

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