$\alpha-D$-Glucopyranose and $\beta-D$-Glucopyranose are:

The number of $-OH$ groups in open chain and ring structures of $D$-glucose are respectively:

Which of the following carbohydrates is a branched polymer of glucose?

Which among the following is a natural biopolymer of monosaccharides?

Glucose differs from fructose in that it

The carbohydrate present in $DNA$ is $2$-deoxy-$D$-ribose. Which of the following statements are correct regarding this sugar?
$A.$ It is a pentose sugar.
$B.$ It is present in pyranose form.
$C.$ It is in $D$-configuration.
$D.$ It is a reducing sugar when free.
$E.$ It is in $\alpha$-anomeric form.
Choose the correct answer from the options given below: