passwella.
Menu

WAEC Biology 2019 Question 15

Question 15

Hormonal Coordination

Which of the following statements is not true about hormones?

  1. A.Their responses are voluntary
  2. B.They may affect more than one target organ
  3. C.They are chemical messengers in animals
  4. D.They are transported by the blood to the target organs
Show the answer and explanation

Answer: A (Their responses are voluntary)

Explanation

Hormones are chemical messengers carried in the blood, and one hormone can act on several organs. Their effects happen automatically, not by choice, so they are not voluntary.