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Question:

Among the following, the incorrect statement is:
Maltose and lactose has 1,4-glycosidic linkage
Cellulose and amylose has 1,4-glycosidic linkage
Lactose contains β-D-galactose and β-D-glucose
Sucrose and amylose has 1,2-glycosidic linkages

Maltose and lactose has 1,4-glycosidic linkage

Sucrose and amylose has 1,2-glycosidic linkages

Lactose contains β-D-galactose and β-D-glucose

Cellulose and amylose has 1,4-glycosidic linkage

Solution:

Option (D) represents incorrect statement. Amylose contains 1→4α-glycoside bonds. Sucrose has 1,2-glycosidic linkages.