Reducing sugars are -

1. Carbohydrates that reduce Fehling’s solution and Tollen’s reagent.
2. Carbohydrates that reduce only Tollen’s reagent.
3. Carbohydrates that reduce only Fehling’s solution .
4. Carbohydrates that reduce HI

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The product of D-glucose with HI is:

1. Neo-pentane 2. n-Hexane
3. Cyclohexane 4. Glucaric acid
Subtopic:  Carbohydrates - Classification & D-L configuration |
 90%
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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 |
 87%
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AIPMT - 2012
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Monosaccharides are:

1. Carbohydrates that can't be hydrolysed further to give simpler units of polyhydroxy aldehyde or ketone. 
2. Classified on the basis of the number of carbon atoms and the functional group present in them.
3. The monomers of carbohydrates.
4. All of the above.

Subtopic:  Carbohydrates - Classification & D-L configuration |
 85%
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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%
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AIPMT - 2000
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The term glycosidic linkage means :

1. Two monosaccharide units bonded by an oxygen atom.
2. Two monosaccharide units bonded by a sulphur atom.
3. Two peptide units bonded by an oxygen atom.
4. Two peptide units bonded by an hydrogen atom.

Subtopic:  Carbohydrates - Classification & D-L configuration |
 82%
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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 |
 78%
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AIPMT - 2014
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The incorrect statement among the following regarding glucose is:

1. It is an aldohexose.
2. n-Hexane is formed when glucose is heating with HI.
3. It is present in furanose form.
4. It does not give 2, 4- DNP test.
Subtopic:  Carbohydrates - Classification & D-L configuration |
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The two forms of D-Glucopyranose are called : 


1. Anomers

2. Epimers

3. Enantiomers

4. Diastereoisomers

Subtopic:  Carbohydrates - Classification & D-L configuration |
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The incorrect statement about carbohydrates is : 

1. Maltose is a reducing sugar.

2. They are stored in the animal body as glycogen.

3. Amylopectin constitutes about 15-20% Of starch.

4. Cellulose is composed of only β-D- glucose units.

Subtopic:  Carbohydrates - Classification & D-L configuration |
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