Heating glucose with Fehling's solution produces a $.........$ colored precipitate.

Fructose on reduction gives a mixture of two alcohols which are related as

Consider the following molecules:
Glucose $(K)$,Mannose $(L)$,Galactose $(M)$,$\alpha-Glucose$ $(N)$,$\beta-Glucose$ $(O)$
The correct set of epimer and anomer is respectively:
Epimer - Anomer

Sucrose on hydrolysis gives:

In $D-glucose$ $(X)$ and $D-fructose$ $(Y)$,which hydroxyl group participates in hemiacetal/hemiketal formation?

Glucose does not react with