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Glycosidic linkages in disaccharides and polysaccharides

This type of question, asked 7 times: 2021 Paper 3, 2021 Paper 19, 2021 Paper 22, 2021 Paper 26, 27 Jun 2022, 25 Jul 2022, 28 Jan 2025. All 7 questions below, oldest first.

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  1. Question 1

    2021 Paper 3

    44
    Which glycosidic linkage between galactose and glucose is present in lactose?

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  2. Question 2

    2021 Paper 19

    36
    Given below are two statements: one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A): Sucrose is a disaccharide and a non-reducing sugar. Reason (R): Sucrose involves glycosidic linkage between C1C_{1} of β\beta-glucose and C2C_{2} of α\alpha-fructose. Choose the most appropriate answer from the options given below:

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  3. Question 3

    2021 Paper 22

    35
    Which one of the following compounds contains β−C1−C4\beta-C_{1}-C_{4} glycosidic linkage?

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  4. Question 4

    2021 Paper 26

    36
    Match List-I with List-II.
    List-IList-II
    (A)Sucrose(i)β\beta-D-Galactose and β\beta-D-Glucose
    (B)Lactose(ii)α\alpha-D-Glucose and β\beta-D-Fructose
    (C)Maltose(iii)α\alpha-D-Glucose and α\alpha-D-Glucose
    Choose the correct answer from the options given below:

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  5. Question 5

    27 Jun 2022

    138
    Given below are two statements. Statements I: Maltose has two α\alpha-D-glucose units linked at C1C_{1} and C4C_{4} and is a reducing sugar. Statement II: Maltose has two monosaccharides: α\alpha-D-glucose and β\beta-D-glucose linked at C1C_{1} and C6C_{6} and it is a non-reducing sugar. In the light of the above statements, choose the correct answer from the options given below.

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  6. Question 6

    25 Jul 2022

    138
    Glycosidic linkage between C1C_{1} of α\alpha-glucose and C2C_{2} of β\beta-fructose is found in

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  7. Question 7

    28 Jan 2025

    103
    Match List-I with List-II.
    List-I (Saccharides)List-II (Glycosidic linkages found)
    (A)Sucrose(I)α1−4\alpha 1-4
    (B)Maltose(II)α1−4\alpha 1-4 and α1−6\alpha 1-6
    (C)Lactose(III)α1−β2\alpha 1-\beta 2
    (D)Amylopectin(IV)β1−4\beta 1-4
    Choose the correct answer from the options given below:

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