Which of the following statement(s) is/are correct
I)The structure given below is the disaccharide lactose.
 

II) High content of starch is foundin cereals&roots
III) $\mathrm{\alpha }-\mathrm{D}$  glucose and $\mathrm{\beta }-\mathrm{D}$ glucose differ in configuration at  C₁.
IV)The monosaccharides allose, altrose and talose are all reducing sugars.
 

• A

  II, III & IV only 

• B

  I, II, III & IV

• C

  II & IV only

• D

  III & IV only