Excretion: O Level Biology Multiple Choice Questions and Answers 1 PDF Download

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MCQ on Excretion O Level Biology Test 1Quiz PDF Download

MCQ: More water is reabsorbed in blood due to

  1. more anti-diuretic hormone
  2. lesser anti-diuretic hormone
  3. active functioning of pancreas
  4. inactivity of pituitary gland


MCQ: Kidneys do not help in

  1. osmoregulation
  2. maintaining body temperature
  3. maintaining composition of blood plasma
  4. regulation of blood pH


MCQ: Amount of water (H2O) in blood is increased due to

  1. lesser tissue respiration
  2. more protein-rich diet
  3. more glucose in blood
  4. more water intake


MCQ: Catabolic activities include

  1. conversion of glucose to glycogen
  2. formation of new protoplasm
  3. cell repair
  4. formation of urea in the liver


MCQ: Cortex contains cuplike structures called as

  1. loop of Henle'
  2. Renal capsule
  3. Bowmans capsule
  4. Glomerulus capsule