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WAEC Biology 2022 Question 15

Question 15

Hormonal Coordination

The table shows the effect of hormones I, II, III and IV on some parts of the human body (✓ = effect, X = no effect):
Hormone I: heart ✓, digestive system ✓, kidney ✓, uterus ✓
Hormone II: heart X, digestive system X, kidney ✓, uterus X
Hormone III: heart X, digestive system X, kidney X, uterus ✓
Hormone IV: heart X, digestive system ✓, kidney X, uterus X
The hormone responsible for anxiety is

  1. A.I
  2. B.II
  3. C.III
  4. D.IV
Show the answer and explanation

Answer: A (I)

Explanation

Hormone I acts on many organs at once, like adrenaline, the hormone released in fear and anxiety.