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NEET 2025 · BiologyPrevious Year Question

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog ?

Answer: (B) Vena cava. Answer: (b) Vena cava Solution: In the systemic pathway, deoxygenated blood returning from body tissues is collected by venules and veins and finally by the vena cava, which empties into the right atrium of the heart.

  1. A.Pulmonary vein
  2. B.Vena cava✓
  3. C.Aorta
  4. D.Pulmonary artery

Correct Answer

(B) Vena cava

Solution & Explanation

Answer: (b) Vena cava Solution: In the systemic pathway, deoxygenated blood returning from body tissues is collected by venules and veins and finally by the vena cava, which empties into the right atrium of the heart. In the frog the anterior and posterior vena cava carry this deoxygenated blood back to the heart. Pulmonary vein carries oxygenated blood; aorta and pulmonary artery carry blood away from the heart. NCERT: Ch 15, p.201, line 42 — "deoxygenated blood is collected by a system of venules, veins and vena cava"

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