Carbohydrates (Classification; Aldoses and Ketoses...) NEET Questions

Organic Chemistry - Biomolecules

Carbohydrates (Classification; Aldoses and Ketoses...) MCQ Questions


7.
Which of the following is NOT a polysaccharide?
A.
Sucrose
B.
Starch
C.
Cellulose
D.
Glycogen
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ANSWER :
A. Sucrose
8.
Polysaccharides are also called non-sugars because:
A.
They contain no sugar units
B.
They are not sweet in taste
C.
They cannot be hydrolysed
D.
They are not soluble in water
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ANSWER :
B. They are not sweet in taste
9.
All carbohydrates which reduce Fehling's solution and Tollens' reagent are called:
A.
Oligosaccharides
B.
Polysaccharides
C.
Non-reducing sugars
D.
Reducing sugars
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ANSWER :
D. Reducing sugars
10.
Which of the following statements about monosaccharides is correct?
A.
Only ketoses are reducing sugars
B.
Monosaccharides are non-reducing sugars
C.
All monosaccharides, whether aldose or ketose, are reducing sugars
D.
Only aldoses are reducing sugars
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ANSWER :
C. All monosaccharides, whether aldose or ketose, are reducing sugars
11.
A monosaccharide containing an aldehyde group with 6 carbon atoms is called:
A.
Aldopentose
B.
Ketohexose
C.
Aldohexose
D.
Ketopentose
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ANSWER :
C. Aldohexose
12.
Glucose belongs to which class of monosaccharides?
A.
Aldohexose
B.
Aldopentose
C.
Ketohexose
D.
Ketotetrose
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ANSWER :
A. Aldohexose