A) aldose
B) carbohydrate
C) hexose
D) oligosaccharide
Correct Answer: D
Solution :
Glucose has molecular formula\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\]. Its structure is \[\underset{\begin{smallmatrix} | \\ C{{H}_{2}}OH \end{smallmatrix}}{\overset{\begin{smallmatrix} CHO \\ | \end{smallmatrix}}{\mathop{{{(CHOH)}_{4}}}}}\,\] It is aldose because it has aldehydic group. It is a carbohydrate because it is compound of C, H and O and gives aldehyde on hydrolysis. It is a hexose because it is compound of 6 carbons. It is monosaccharide because it gives only one unit on hydrolysis. It is not oligosaccharide.
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