Which disaccharide yields two molecules of glucose upon hydrolysis?

Statement $P$: The general formula of carbohydrates is $C_n(H_2O)_n$ or $C_n(H_2O)_m$.
Statement $Q$: In the structure of monosaccharides,the values of $n$ and $m$ are equal.

The chains of amylose and amylopectin are found in which of the following?

In animals,food is stored as $........$.

The classification of monosaccharides is based on which of the following?

Which of the following is another substance that belongs to the same series as glucose,sucrose,and maltose?