Answer :
A) is incorrect as glucose is a single sugar and not a string of 2 or more sugars such a sucrose is.
The pair that is not the correct relationship is glucose and polysaccharide. The correct option is A.
What is a polysaccharide?
The sugar that is included in carbohydrates is referred to as saccharide. As these sugar joined together by certain bonding they lead to the formation of a polymer chain.
This polymer chain having several sugar units is referred to as a polysaccharide.
Glucose is a monomer and is the smallest unit of polysaccharide.
Thus, the correct option is A.
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