question_answer

Which of the following is a ketohexose?

A)  Glucose      

B)  Sucrose

C)  Fructose       

D)  Ribose:-

Correct Answer: C

Solution :

 The term hexose refers to the presence of six carbon atoms and term keto shows the presence of ketonic group. Thus, the compound which contains 6 C atoms and one  group is called ketohexose. Among the given only glucose and fructose are six C compounds. Out of them, glucose contains an aldehyde group while fructose contains a ketonic group. Hence, the example of ketohexose is fructose.