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WAEC Biology 1999 Question 19

Question 19

Hormonal Coordination

Iodine is needed by a patient suffering from a malfunctioning of the

  1. A.salivary gland
  2. B.thyroid gland
  3. C.adrenal gland
  4. D.sebaceous gland
Show the answer and explanation

Answer: B (thyroid gland)

Explanation

The thyroid gland uses iodine to make thyroxine; lack of iodine causes goitre.