Read the assertion and reason carefully to mark the correct option out of the option given below:
Channel: Doubtnut
Date: 02/11/2021

Read the assertion and reason carefully to mark the correct option out of the option given below:  Assertion: Rumen of alimentary canal of ruminant animals harbour numerous bacteria and protozoa.  Reason : Bectaria and protozoa help in the secretion of gastric juice in the rumen.