Assertion: Informal communication arises from social interaction of people. Reasoning: Informal system of communication is generally referred to as grapevine.

Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A. Both Assertion (A) and reasoning (R) are correct and but R is not the correct explanation of A. Assertion (A) is true but Reasoning (R) is not correct. Assertion (A) is not true but Reasoning (R) is correct.

Both Assertion (A) and reasoning (R) are correct and but R is not the correct explanation of A.

Communication that takes place without following the formal lines of communication is said to be informal communication. Informal system of communication is generally referred to as the ‘grapevine’ because it spreads throughout the organisation with its branches going out in all directions in utter disregard to the levels of authority.