In human beings, umbilical cord links foetus and placenta a…

Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 15 PCB Single Correct MCQ

Published on: August 21, 2026

In human beings, umbilical cord links foetus and placenta and helps in the transport of oxygen and nutrients to the foetus and removal of waste products from it. Which of the following options correctly describe the blood vessels associated with umbilical cord?

One pair of umbilical artery having oxygenated blood and single umbilical vein with deoxygenated blood

One pair of umbilical artery with deoxygenated blood and single umbilical vein with oxygenated blood

One umbilical artery with deoxygenated blood and a pair of umbilical vein with oxygenated blood

One umbilical artery with deoxygenated blood and single umbilical vein with oxygenated blood

Text Solution

Verified by Experts

The correct answer is:

• The umbilical cord connects fetus and placenta.

• It normally has 3 blood vessels:

• 2 umbilical arteries → carry deoxygenated blood from fetus to placenta.

• 1 umbilical vein → carries oxygenated blood from placenta to fetus.

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