Cellulose,starch and glycogen are the polysaccharides having $.......$ monosaccharide unit:

What does $X$ represent in the given structure?

Which of the following is an example of a ketose sugar?

Aqueous solution of carbohydrate with $2$ drops of alcoholic solution of $\alpha$-naphthol and $H_{2}SO_{4}$ gives a ring at the junction. The colour of the ring is:

Which of the following is an instantaneous source of energy?

What is the formula for a triose sugar?