Fructose monosaccharides is not an aldose sugar. Hence option B is correct.
Monosaccharide is a simplest form of sugar that is not decompose in simple sugars by hydrolysis and it contains one or more hydroxyl groups.
Types of sugars – Aldose and ketose (which are named on the basis of presence of functional groups aldehyde and ketone).
Aldose is a monosaccharide contains carbon chain with carbonyl group in endmost carbon atom.
Erythrose, glucose, glyceraldehyde and ribose contain aldehyde as a functional group so these are example of aldose where as fructose contains a ketone group so it is a ketose not an aldose.
Fructose monosaccharides is not an aldose sugar. Hence option B is correct.
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