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.

Schematic plan of blood circulation in humans-01.jpg

So, the correct answer is (d) 

  1. Class 10
  2. Chapter 6 Class 10 - Life Processes (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo