Question

Which among the following is incorrect about fructose and glucose?

(a) Fructose is also called as pyranose and it’s a ketose sugar

(b) Glucose and fructose can be obtained by hydrolysis of sucrose

(c) Both fructose and glucose have the same molecular formula

(d) Both of them taste sweet

This question was posed to me in class test.

This intriguing question originated from Biomolecules-1 in division Biomolecules of Biology – Class 11

Answer 1

The correct answer is (a) Fructose is also called as pyranose and it’s a ketose sugar

Easy explanation: Fructose is also called as furanose and it’s a ketose sugar. Glucose and fructose can be obtained by hydrolysis of sucrose. Both fructose and glucose have the same molecular formula. Both of them taste sweet.