WAEC Biology 2013 Objective — Question 12
Question 12 of 60 from the West African Examinations Council (WAEC) Biology 2013 Objective paper, with the correct answer and a full explanation.
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Which of the following statements is not correct about the mammalian heart?
- A. Oxygenated blood enters the left auricle from the pulmonary vein
- B. The walls of the ventricle are thicker than those of the auricle
- C. Blood passes from the right ventricle to the left auricle through the aortaCorrect
- D. The tricuspid valve prevents the back flow of blood into the right auricle
Explanation
Blood passes from the right ventricle to the pulmonary artery (not to the left auricle through the aorta), so option C is the incorrect statement.
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