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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
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
Write the name of the polysaccharide used for the commercial preparation of glucose.
Write the name of the unit to which glucose unit is linked to from sucrose.
Write chemical reaction for following conversions
glucose into gluconic acid
Explain the classification of carbohydrates with examples.
What is the action of the following reagents on glucose?
acetic anhydride
Which enzymes would work sequentially on potatoes consumed by an individual?
Which of the following carbohydrate is sweet to taste?
Formation of lactose by conden ation results in the release of how many molecules of water?
______ is the prosthetic group of glycoproteins.
Identify the sugar having the molecular formula C6H1206.
Identify the WRONG statement.
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 |
Which carbon atoms of α- D glucopyranose and β-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
Which one of the following is an oligosaccharide?
Which one of the following is a carbohydrate but does NOT follow the general formula of carbohydrate?
Glucose and gluconic acid treated with dilute nitric acid forms saccharic acid. What does this indicate?
Which one of the following sugar does NOT have same empirical fonnula as that of carbohydrate?
What is the number of hydroxyl groups present in lactic acid?
Identify the number of secondary carbon atoms in glucose.
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
Which of the following statement is NOT true about saccharic acid?
On hydrolysis sucrose gives ____________.
Which among the following reagents is used to obtain gluconic acid from glucose?
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
What is the product obtained when Br2 water reacts with glucose?
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
How many hydroxyl groups are present in Erythrulose?
Which among the following observations suggests that glucose also exists in cyclic form?
How many optical isomers are possible for a compound having four asymmetric carbon atoms?
\[\ce{Glucose ->[(HCN)] Product ->[(hydrolysis)] Product ->[(HI + Heat)] A}\], the compound A is:
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.
The number of sp2 and sp3 hybridised carbon in fructose are respectively ____________.
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Fructose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Sucrose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
Write the structure of α-D (+) glucopyranose.
The molecule of glucose is also called ______.
Lactose is made of ______.
Corn is immersed in boiling water. It is then cooled, and the solution becomes sweet. It is due to ______.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
Carbohydrates that do not undergo hydrolysis further are called ______.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
Why are carbohydrates generally optically active?
Why carbohydrates are generally optically active?
Why carbohydrates are generally optically active.
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
