Sugar ' X '
A. is found in honey.
B. is a keto sugar.
C. exists in \(\alpha\) and \(\beta\) - anomeric forms.
D. is laevorotatory.
' X ' is :
1. Maltose
2. Sucrose
3. D-Glucose
4. D-Fructose
Subtopic:  Carbohydrates - Classification & D-L configuration |
 58%
From NCERT
NEET - 2025
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The reagents with which glucose does not react to give the corresponding test/products are: 
A. Tollen's reagent
B. Schiff's reagent
C. \(\text{HCN}\)
D. \(\text{NH}_2\text{OH}\)
E. \(\text{NaHSO}_3\)
Choose the correct option:
1. \(\text{A}\) and \(\text{D}\) 2. \(\text{B}\) and \(\text{E}\)
3. \(\text{E}\) and \(\text{D}\) 4. \(\text{B}\) and \(\text{C}\)
Subtopic:  Carbohydrates - Classification & D-L configuration |
 70%
From NCERT
NEET - 2024
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Which one is not a D-sugar:

1. 2.
3. 4.
Subtopic:  Carbohydrates - Classification & D-L configuration |
 70%
From NCERT
NEET - 2022
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Which of the following statement is not true about glucose?

1. It is an aldohexose.

2. It contains five hydroxyl groups.

3. It is a reducing sugar.

4. It is an aldopentose.

Subtopic:  Carbohydrates - Classification & D-L configuration |
 82%
From NCERT
NEET - 2020
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A non-reducing sugar among the following is:
1. Lactose
2. Glucose
3. Sucrose
4. Maltose

Subtopic:  Carbohydrates - Classification & D-L configuration |
 92%
From NCERT
NEET - 2016
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D(+) glucose yields an oxime with hydroxyl amine. The structure of the oxime would be:

1. 2.
3. 4.
Subtopic:  Carbohydrates - Classification & D-L configuration |
 79%
From NCERT
AIPMT - 2014
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Sucrose can be formed by:
1. α–D–galactopyranose and α–D–glucopyranose
2. α–D–glucopyranose and β–D–fructofuranose
3. β–D–galactopyranose and α–D–fructofuranose
4. α–D–galactopyranose and β–D–fructopyranose

Subtopic:  Carbohydrates - Classification & D-L configuration |
 88%
From NCERT
AIPMT - 2012
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Fructose reduces Tollen's reagent due to:

1. Primary alcoholic group
2. Secondary alcoholic group
3. Enolisation of fructose followed by conversion to aldehyde by base
4. Asymmetric carbon
Subtopic:  Carbohydrates - Classification & D-L configuration |
 71%
From NCERT
AIPMT - 2010
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α-D-glucose and β-D-glucose are:

1. Epimers

2. Anomers

3. Functional isomers

4. Chain isomers

Subtopic:  Carbohydrates - Classification & D-L configuration |
 83%
From NCERT
AIPMT - 2000
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Sucrose on hydrolysis gives:

1. L(+) Glucose + D(+) Fructose
2. L(–) Glucose + L(–) Fructose
3. D(+) Glucose + D(–) Fructose
4. D(+) Glucose + L(–) Fructose

Subtopic:  Carbohydrates - Classification & D-L configuration |
 68%
From NCERT
AIPMT - 1999
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