Which carbon atom of glucopyranose numbered from $C-1$ to $C-6$ is anomeric?

Which of the following is a reducing sugar?

The correct statement$(s)$ about the following sugars $X$ and $Y$ is(are):
$(A)$ $X$ is a reducing sugar and $Y$ is a non-reducing sugar
$(B)$ $X$ is a non-reducing sugar and $Y$ is a reducing sugar
$(C)$ The glycosidic linkages in $X$ and $Y$ are $\alpha$ and $\beta$,respectively
$(D)$ The glycosidic linkages in $X$ and $Y$ are $\beta$ and $\alpha$,respectively

What is the phenomenon of rapid interconversion of $\alpha-D-$glucose into $\beta-D-$glucose in solution called?

Which carbohydrate has the highest abundance in human blood?

Which of the following on hydrolysis forms invert sugar?