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WAEC Biology 2008 Question 14

Question 14

Hormonal Coordination

Which of the following statements is not true about hormones?

  1. A.Hormones are manufactured in ductless glands and poured straight into the blood stream
  2. B.Hormones are carried by the blood plasma to the required target organs
  3. C.Hormonal responses are usually swift, instant and electrical
  4. D.Once the effects of hormones are over, they are inactivated and excreted from the body.
Show the answer and explanation

Answer: C (Hormonal responses are usually swift, instant and electrical)

Explanation

Hormones are chemical messages and their effects are usually slow and long-lasting; swift electrical responses are nervous.