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प्रश्न
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
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उत्तर
- monosaccharide: glucose
- oligosaccharide or disaccharide: maltose
- oligosaccharide or tetrasaccharide: stachyose
- polysaccharide: cellulose
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संबंधित प्रश्न
Give two evidences for presence of formyl group in glucose.
Draw a neat diagram for the following:
Haworth formula of maltose
The glycosidic linkage in maltose is formed between _______________
Explain the preparation of glucose from sucrose.
Write chemical reaction for following conversions
glucose into glucoxime
What is the action of the following reagents on glucose?
acetic anhydride
Define carbohydrates.
Write a chemical reaction to convert glucose into glucose cyanohydrin.
Write a commercial method for preparation of glucose.
Which of the following type of carbohydrates cannot be hydrolyzed?
Identify the given structure 'P' and 'Q'.
Identify the substances having glycosidic bond and peptide bond, respectively in their structure:
Which of the following is the basic unit of carbohydrates?
Which of the following carbohydrate is sweet to taste?
______ is the prosthetic group of glycoproteins.
Identify the sugar having the molecular formula C6H1206.
Fructose is the fruit sugar and chemically it is ketohexose but it has a ______ rather than a ______.
Which is the product obtained, when Br2 water reacts with glucose?
Match the Column I and Column II select the correct option.
| Column I | Column II | ||
| i. | Monosaccharides | a. | Stored energy in animals |
| ii. | Glycogen | b. | Polymer made from ß-glucose molecules |
| iii. | Cellulose | c. | Exoskeleton of arthropods |
| iv. | Chitin | d. | Building blocks of carbohydrates |
| e. | Plant hormone |
From the following identify the two types of glucose polymers present in starch.
Identify the CORRECT combination.
Prolonged heating of glucose with hot HI results in the formation of ____________.
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
One mole of a carbohydrate on hydrolysis gives one mole of glucose and one mole of galactose. Identify the carbohydrate.
Which element among the following is not present in saccharine?
The general formula for polysaccharide is ____________.
Stachyose is ____________.
Which one of the following is a carbohydrate but does NOT follow the general formula of carbohydrate?
Which one of the following is generally applicable to polysaccharides?
Which one of the following is Tetrose sugar?
Which one of the following carbohydrates is insoluble in water?
Glucose and gluconic acid treated with dilute nitric acid forms saccharic acid. What does this indicate?
Which among the following statements is true for amylose?
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
What is the molecular formula of glyceraldehyde?
Which among the following is a product of hydrolysis of one mole raffinose?
What is the product obtained when Br2 water reacts with glucose?
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
Assertion: A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of little hydrochloric acid, it becomes levorotatory.
Reason: Sucrose hydrolysis gives equal amounts of glucose and fructose. As a result of this change in sign of rotation is observed.
Glucose is an aldose. Which one of the following reactions is not expected with glucose?
Which of the following are epimers?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Starch
Which of the following groups contain polysaccharides?
Which carbon atoms of fructose are bonded together through oxygen forming fructofuranose?
Corn is immersed in boiling water. It is then cooled, and the solution becomes sweet. It is due to ______.
Starch and cellulose are compounds made up of many units of ______.
Why carbohydrates are generally optically active?
Assign D/L configuration to the following monosaccharides:
Carbohydrates that do not undergo hydrolysis further are called ______.
Write Fischer projection formulae for glucose.
Why carbohydrates are generally optically active.
The linkage present in Lactose is ______.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active?
Why carbohydrates are generally optically active?
Why carbohydrates are generally optically active.
The sugar found in milk is ______.
