Which of the following is not a carbohydrate?

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:

In which form is food stored in plants?

The chemical bond represented by $-C-O-C-$ is known as:

In potato tubers,the reserve food is starch. It is stachyose in $Stachys$ ($Chinese$ $artichoke$) tubers. In Jerusalem artichoke ($Helianthus$ $tuberosus$),the reserve food is in the form of fan-shaped crystals composed of:

Which of the following is an example of an amylose polysaccharide?