JAMB Biology 2020 Objective — Question 26
Question 26 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2020 Objective paper, with the correct answer and a full explanation.
Advertisement
26. Which of the following is incorrect? (a) Blood in the pulmonary artery is richer in oxygen than that in the pulmonary vein (b) Arteries are thicker and larger than veins (c) The hepatic portal vein is the richest vein when it comes to food substances (d) None of the above
- A. A. Blood in the pulmonary artery is richer in oxygen than in the pulmonary veinCorrect
- B. B. Arteries are thicker and larger than veins
- C. C. The hepatic portal vein is the richest vein regarding food substances
- D. D. None of the above
Explanation
It is the blood in the pulmonary vein that is richer in oxygen than that in the pulmonary artery — the pulmonary artery transports deoxygenated blood from the heart to the lungs (for oxygenation) while the pulmonary vein returns the oxygenated blood to the heart.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.