WAEC Biology 2012 Objective — Question 20
Question 20 of 60 from the West African Examinations Council (WAEC) Biology 2012 Objective paper, with the correct answer and a full explanation.
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The hair on the human skin will stand erect when the person is
- A. in an air-conditioned roomCorrect
- B. strolling in the sun
- C. taking a hot drink
- D. doing strenuous exercise
Explanation
When cold, the hair on human skin stands erect to trap air around the skin and conserve body heat. An air-conditioned room is cold.
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