Classify the following into monosaccharides and disaccharides:
Ribose,$2-$deoxyribose,maltose,galactose,fructose,and lactose.

Which of the following statements is incorrect?

The structure of glycogen is similar to:

In which of the following carbohydrates does the molecular mass increase by $84 \ u$ after complete acetylation?

Methyl-$\alpha-D$-glucoside and methyl-$\beta-D$-glucoside are

Consider the following reactions:
$(i)$ $\text{Glucose} + ROH$ $\xrightarrow{\text{dry } HCl} \text{Acetal}$ $\xrightarrow{x \text{ eq. of } (CH_3CO)_2O} \text{acetyl derivative}$
$(ii)$ $\text{Glucose}$ $\xrightarrow{Ni/H_2} A$ $\xrightarrow{y \text{ eq. of } (CH_3CO)_2O} \text{acetyl derivative}$
$(iii)$ $\text{Glucose} \xrightarrow{z \text{ eq. of } (CH_3CO)_2O} \text{acetyl derivative}$
$x, y$ and $z$ in these reactions are respectively: