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Question
Draw the structure of α-D glucopyranose.
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Solution
RELATED QUESTIONS
Give scientific reasons:
The disaccharide sucrose gives negative Tollens test while the disaccharide maltose gives a positive Tollens test.
Give two evidences for presence of formyl group in glucose.
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
Explain the classification of carbohydrates with examples.
Explain D and L configuration in sugars.
Identify the given structure 'P' and 'Q'.
Identify the substances having glycosidic bond and peptide bond, respectively in their structure:
Which enzymes would work sequentially on potatoes consumed by an individual?
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i. Plant cell wall
ii. Exoskeleton of arthropods
iii. Paper from plant pulp
iv. Cotton fibre
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____________ do not give smaller sugar units on hydrolysis.
Identify the CORRECT combination.
Match the columns and select the correct option.
| Column I | Column II | ||
| i. | Starch | a. | Animal storage molecule |
| ii. | Cellulose | b. | Plant storage molecule |
| iii. | Glycogen | c. | Heparin |
| iv. | Heteropolysaccharide | d. | Plant cell wall component |
Which carbon atoms of α- D glucopyranose and β-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?
Prolonged heating of glucose with hot HI results in the formation of ____________.
Identify the INCORRECT statement regarding glucose.
Which one of the following is an oligosaccharide?
Which one of the following carbohydrates is insoluble in water?
Which one of the following is NOT soluble in water?
Which of the following statements is NOT true for glyceraldehyde?
How many moles of fructose and galactose respectively are obtained on hydrolysis of 1 mole stachyose?
What is the number of hydroxyl groups present in lactic acid?
Which among the following reagents is used to confirm the presence of carbonyl group in glucose?
Which of the following statement is NOT true about saccharic acid?
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
Which among the following observations suggests that glucose also exists in cyclic form?
Which one of the following rotates the plane polarized light towards left?
The number of sp2 and sp3 hybridised carbon in fructose are respectively ____________.
Which of the following are epimers?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Lactose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
A molecule of stachyose contains how many carbon atoms?
The two monosaccharides in a disaccharide are held together by ______ bonds.
Match the Column I with Column II and choose the correct answer from options below:
| Column I | Column II |
| A. Purine | 1. Glycogen |
| B. Pyrimidine | 2. Cellulose |
| C. Structural polysaccharide | 3. Glucagon |
| D. Storage polysaccharide | 4. Adenine |
| 5. Cytosine |
Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
Write Fischer projection formulae for glucose.
Write the ring structure of glucose.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
The linkage present in Lactose is ______.
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.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active?
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
Two monosaccharides are held together by ______ bond.
Given below are two statements.
Statement I - Lactose on hydrolysis converts into glucose and galactose.
Statement II - Galactose also plays same role as glucose in respiration.
In light of the above statements, select the correct option given below.
