In $D-glucose$,the letter $D-$ indicates ...........

Which of the following pairs represents anomers?

Among the following statements about the molecules $X$ and $Y$, which one$(s)$ is/are correct?

Which of the given statements is $INCORRECT$ about glycogen?

Assertion : Maltose is a reducing sugar which gives two moles of $D-$glucose on hydrolysis.
Reason : Maltose has $1,4-\beta-$glycosidic linkage.

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: