Is formed whenever long molecules of starch break down.
a. fructose
b. lactose
c. maltose
d. glucose

Answer is: c. Maltose.

Maltose is a disaccharide composed of two glucose molecules.

Starch (carbohydrate) is a polymeric carbohydrate consisting of a large number of glucose units bonded by glycosidic bond.

Starch is a white, tasteless and odorless powder that is insoluble in cold water or alcohol.  

Food rich in carbohydrates has high energy content, because human body can digest it very fast.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

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