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GCE Biology 1990 Question 20

Question 20

Excretion

Which of the following are components of glomerular filtrate?

  1. A.All the components of blood except mineral salts
  2. B.Water and salt only
  3. C.All the components of blood except plasma protein and cells
  4. D.Plasma proteins, red and white blood cells
  5. E.Blood cells, amino acid, salts and nitrogenous wastes
Show the answer and explanation

Answer: C (All the components of blood except plasma protein and cells)

Explanation

Blood cells and plasma proteins are too large to pass through the glomerulus; everything else is filtered.