Assertion (A):  HCl converts pepsinogen into active enzyme pepsin.  

Reason (R): Pepsin converts protein into proteoses and peptones. 



HCl creates an acidic medium inside the stomach which helps in the activation of pepsinogen to pepsin .


The active enzyme pepsin is responsible for breaking down proteins into proteoses and peptones.

Breakdown of proteins in stomach-01.jpg


  • The assertion is True
  • The reason is True

But the reason is not the correct explanation of the assertion 

So, the correct option is (b)

  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