Amylopectin is composed of

Which of the following does not show mutarotation?

Glucose,when heated with $CH_3OH$ in the presence of dry $HCl$ gas,gives $\alpha$ and $\beta$-methyl glucosides because it contains:

In fructose,the possible optical isomers are

Which of the following sugars is the sweetest?

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A)$: Ketoses give Seliwanoff's test faster than Aldoses.
Reason $(R)$: Ketoses undergo $\beta$-elimination followed by formation of furfural.
In the light of the above statements,choose the correct answer from the options given below: