Assertion (A): Cellulose and starch can not form the osazone.
Reason (R): The monomer of cellulose is $β$ -D-Glucose and the monomer of starch is $α$ -D-Glucose.

A and R are true and R is the correct explanation of A.

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A and R are true and R is not the correct explanation of A.

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A is true but R is false.

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A is false but R is true.

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Solution

The correct option is B A and R are true and R is not the correct explanation of A.
Cellulose and starch can not form the osazone. This is because, the aldehyde group is not free. It is involved in the formation of glycosidic linkage. The monomer of cellulose is -D-Glucose and the monomer of starch is -D-Glucose.

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Assertion (A): Cellulose and starch can not form the osazone.Reason (R): The monomer of cellulose is β-D-Glucose and the monomer of starch is α-D-Glucose.

Assertion (A): Cellulose and starch can not form the osazone.
Reason (R): The monomer of cellulose is $β$ -D-Glucose and the monomer of starch is $α$ -D-Glucose.