Assertion(a):the anaerobic respiration which takes place in yeast, has one of the end products as an acid. reason (r);during anaerobic respiration there is incomplete breakdown of glucose a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true and R is not the correct explanation of A. c) A is true and R is false. d) A is false and R is true.