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Given below are two statements: Statement I : Maltose has two α-D-glucose units linked at C1 and C4 and is a reducing sugar. Statement II : Maltose has two monosaccharides: α-D-glucose and β-D-glucose linked at C1 and C6 and it is a non-reducing sugar. In the light of the above statements, choose the correct answer from the options given below. (1) Both Statement I and Statement II are true (2) Both Statement I and Statement II are false (3) Statement I is true but Statement II is false (4) Statement I is false but Statement II is true

1. (1) Both Statement I and Statement II are true
2. (2) Both Statement I and Statement II are false
3. (3) Statement I is true but Statement II is false
4. (4) Statement I is false but Statement II is true

Correct answer: (3) Statement I is true but Statement II is false

Solution

Statement I is correct because maltose is indeed composed of two α-D-glucose units linked at C1 and C4, making it a reducing sugar. Statement II is incorrect as maltose does not contain a β-D-glucose unit and is not linked at C1 and C6; therefore, it cannot be classified as a non-reducing sugar.

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