Question 12 - Assertion Reasoning Questions (MCQ) - Chapter 6 Class 10 - Life Processes

Last updated at August 10, 2026 by

Assertion (A): Valves are present in the arteries.  

Reason (R): Arteries carry oxygenated blood from heart to different body parts except pulmonary  artery.  

 

Answer   

  • Valves are absent in arteries , but present in veins , to prevent backflow of  blood.  
  • All Arteries except the pulmonary artery carry oxygenated blood from the heart to the rest of the body. The pulmonary artery carries deoxygenated blood from the heart to the lungs.

Hence,

  • The assertion is False
  • The reason is True.

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So, the correct answer is (d) 

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