Question:
Which from following compounds is classified as oligosaccharide?
Which from following compounds is classified as oligosaccharide?
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Sucrose gives two monosaccharides on hydrolysis, so it is an oligosaccharide (disaccharide).
Updated On: Oct 1, 2026
- Ribose
- Sucrose
- Fructose
- Glucose
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Carbohydrates are classified by the number of simple sugar units they give on hydrolysis. Monosaccharides give none, and oligosaccharides give 2 to 10 units.
Step 2: Check the Options:
Ribose: a monosaccharide (aldopentose).
Sucrose: a disaccharide that gives glucose and fructose on hydrolysis, so it is an oligosaccharide.
Fructose: a monosaccharide (ketohexose).
Glucose: a monosaccharide (aldohexose).
Step 3: Conclusion:
Sucrose is the only oligosaccharide listed.
Final Answer:
Sucrose is an oligosaccharide, option (B). \[ \boxed{\text{(B) Sucrose}} \]
Carbohydrates are classified by the number of simple sugar units they give on hydrolysis. Monosaccharides give none, and oligosaccharides give 2 to 10 units.
Step 2: Check the Options:
Ribose: a monosaccharide (aldopentose).
Sucrose: a disaccharide that gives glucose and fructose on hydrolysis, so it is an oligosaccharide.
Fructose: a monosaccharide (ketohexose).
Glucose: a monosaccharide (aldohexose).
Step 3: Conclusion:
Sucrose is the only oligosaccharide listed.
Final Answer:
Sucrose is an oligosaccharide, option (B). \[ \boxed{\text{(B) Sucrose}} \]
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