Excretory System Quiz

1. The organ that produces urea and uric acid as a by-product of the breakdown of proteins is the:
A stomach
B liver
C small intestine
2. The organ that excretes carbon dioxide from the body is the:
A nose
B lung
C mouth
3. Products excreted by the skin are excess water, urea, uric acid and:
A salt
B carbon dioxide
C oil
4. The removal of the metabolic wastes of an organism is:
A respiration
B excretion
C defaecation
5. The kidneys, ureters, urethra and urinary bladder make up the:
A excretory system
B urinary system
C kidney system
6. The blood vessel that transports blood to the kidney is the:
A renal artery
B renal vein
C adrenal vein
7. The basic unit of the kidney is the:
A neurone
B nephron
C glomerulus
8. Two important processes that occur in the kidney are:
A filtration and absorption
B absorption and reabsorption
C urination and defaecation
9. Animals that live in arid areas and must conserve water often have a thicker:
Amedulla
Bpelvis
Ccortex
10. Urea and uric acid are excreted by terrestrial animals. Instead, aquatic animals excrete:
Acarbon dioxide
Bammonia
Cwater
11. Able to pass from the glomerulus to Bowman's capsule are:
Ared blood cells
Blymphocytes
Cglucose molecules
12. Useful chemicals that are reabsorbed from the kidney travel in the:
Akidney artery
Badrenal artery
Crenal vein
13. The amount of glucose in the urine of a healthy person is:
Ahigh
Bmoderate
Cnil
14. Another bladder in the body apart from the urinary bladder is the:
Aprostate bladder
Bgall bladder
Cbile duct
15. The concentration of amino acids and glucose is:
Ahigher in urine than blood
Bsame concentration in blood and urine
Chigher in blood than urine
 
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