WAEC Biology 1991 (August) Question 13

Question 13

Excretion

Kidney stone is a disease of the kidney that results in the

  1. A.blockage of the tubules by solid particles
  2. B.passing out useful materials of the body fluid with urine
  3. C.presence of large quantity of water in urine
  4. D.passing out hormones in urine
  5. E.prevention of urine production
Show the answer and explanation

Answer: A (blockage of the tubules by solid particles)

Explanation

Kidney stones are hard deposits of salts that block the kidney tubules and urinary passages.