Q. Which one of the following is NOT correct for monosaccharides?
They are optically active polyhydroxy carbonyl compounds
Fructose is ketose sugar and hence it does not give red precipitate with Fehling solution
-D(+) glucose and -D(+) glucose are anomers
Glucose and mannose are anomers

 2204  215 NTA AbhyasNTA Abhyas 2020Biomolecules Report Error

Solution:

Statement 1. Correct
2. Incorrect- Including fructose all monosaccharides give the fehling's test
3. Correct
4. Incorrect- Glucose & mannose are epimers not anomers.