Excretion: O Level Biology Multiple Choice Questions and Answers 6 PDF Book Download

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MCQ on Excretion O Level Biology Test 6Quiz Book Download

MCQ: Blood flows out of kidneys through

  1. nowhere
  2. renal vein
  3. renal artery
  4. renal pelvis

B

MCQ: Kidneys are responsible for excretion of

  1. carbon dioxide
  2. creatinine
  3. bile pigments
  4. excess water

D

MCQ: Anti-diuretics

  1. reduce the production of blood
  2. reduce the production of anti-diuretic hormone
  3. reduce the production of urine
  4. increase the production of urine

D

MCQ: Egestion is

  1. same as excretion
  2. same as defaecation
  3. removal of metabolic wastes
  4. removal of toxic wastes

B

MCQ: Number of convoluted tubules inside cortex is

  1. one
  2. two
  3. three
  4. five

B