Excretion: O Level Biology Multiple Choice Questions and Answers 4 PDF Download

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MCQ on Excretion O Level Biology Test 4Quiz PDF Download

MCQ: Kidney tubules are also called as

  1. collecting tubules
  2. renal pelvis
  3. ureter
  4. nephrons


MCQ: In mammals, an important part in excretion is played by

  1. lungs
  2. liver
  3. kidneys
  4. large intestines


MCQ: For excretion, animals with impermeable skin use

  1. simple diffusion process
  2. produce concentration gradient
  3. special excretory glands
  4. special excretory organs


MCQ: Each nephron consists of

  1. distal convoluted tubule
  2. proximal convoluted tubule
  3. Bowman' capsule
  4. all of above


MCQ: Renal pelvis is enlarged portion of

  1. renal artery
  2. renal vein
  3. hilus
  4. ureters