Which one is polysaccharide ?

Which one is a polysaccharide?

In which one of polysaccharide, D glucose units are joined same as in starch

Which is not polysaccharide ?

Out of the following which is not polysaccharide ?

Monosaccharides are linked by which bond in a polysaccharides?

Glucose is commercially prepared from a polysaccharide, where change in specific rotation occurs. Which is the polysaccharide used for the production of glucose ?