This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Biochemistry
Inve sugar is 
Select and explain. 
A. Lactose, B. Sucrose, C. Hydrolytic products of sucrose, D. Fructose
C: Hydrolytic products of sucrose
Answer: C: Hydrolytic products of sucrose 
Explanation: Sucrose on hydrolysis yields D glucose and D-fructose. But the optical rotation changes from dextrorotatory to leavorotatory. Hence the hydrolytic products of sucrose are called as inve sugar.