Assertion(A): Glucose is called blood sugar.
Reason (R): Human blood contains about 100 mg/di of glucose hence it is called blood sugar.
(a) Both A and R are correct and R is the correct explanation of A.
(b) Both A and R are correct but R is not the correct explanation of A.
(c) A is correct but R is wrong.
(d) A is wrong but R is correct.