- 1(current)
Q. No.What is the number of stereocenters in the linear and cyclic forms of glucose, respectively?
| 1. | 4 & 4 | 2. | 4 & 5 |
| 3. | 5 & 4 | 4. | 5 & 5 |
Subtopic: Carbohydrates - Classification & D-L configuration |
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The term anomers of glucose refer to:
| 1. | Isomers of glucose that differ in configurations at carbons one and four (C-1 and C-4) |
| 2. | A mixture of (D)-glucose and (L)-glucose |
| 3. | Enantiomers of glucose |
| 4. | Isomers of glucose that differ in configuration at carbon one (C-1) |
Subtopic: Carbohydrates - Classification & D-L configuration |
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Match List–I (Carbohydrates) with List – II (Cyclic Structures) and select the correct option:
1. A – 4; B – 1; C – 2; D – 3
2. A – 1; B – 4; C – 3; D – 2
3. A – 2; B – 3; C – 4; D – 1
4. A – 1; B – 3; C – 2; D – 4
| List - I (Carbohydrates) |
List - II (Cyclic Structures) |
||
| A. | α − D −Glucopyranose | 1. |  |
| B. | β −D − Glucopyranose | 2. |  |
| C. | α − D − Fructofuranose | 3. |  |
| D. | β − D −Fructofuranose | 4. |  |
1. A – 4; B – 1; C – 2; D – 3
2. A – 1; B – 4; C – 3; D – 2
3. A – 2; B – 3; C – 4; D – 1
4. A – 1; B – 3; C – 2; D – 4
Subtopic: Carbohydrates - Classification & D-L configuration |
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Which of the following cyclic forms represents the pyranose form of the linear carbohydrate shown in the image?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Carbohydrates - Classification & D-L configuration |
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A biomolecule gives the following observations:
The correct structure of the biomolecule, from the following, is:
| (i) | With Br2/H2O, it gives monocarboxylic acid |
| (ii) | With acetate, it gives tetraacetate |
| (iii) | With HI/Red P, it gives isopentane |
The correct structure of the biomolecule, from the following, is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Carbohydrates - Classification & D-L configuration |
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Subtopic: Carbohydrates - Classification & D-L configuration |
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Given below are two statements:
| Statement I: | Fructose does not contain an aldehydic group but still reduces Tollen’s reagent. |
| Statement II: | In the presence of base, fructose undergoes rearrangement to give glucose. |
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Subtopic: Carbohydrates - Classification & D-L configuration |
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