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Q. No.If a Sugar ' X ' is found in honey, is a keto sugar, exists in \(\alpha\) and \(\beta\) - anomeric forms and is laevorotatory, then find out 'X':
1. Maltose
2. Sucrose
3. D-Glucose
4. D-Fructose
1. Maltose
2. Sucrose
3. D-Glucose
4. D-Fructose
Subtopic: Carbohydrates - Classification & D-L configuration |
59%
Level 3: 35%-60%
NEET - 2025
Please attempt this question first.
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Please attempt this question first.
The reagents with which glucose does not react to give the corresponding test/products are:
A. Tollen's reagent
B. Schiff's reagent
C. \(\text{HCN}\)
D. \(\text{NH}_2\text{OH}\)
E. \(\text{NaHSO}_3\)
Choose the correct option:
A. Tollen's reagent
B. Schiff's reagent
C. \(\text{HCN}\)
D. \(\text{NH}_2\text{OH}\)
E. \(\text{NaHSO}_3\)
Choose the correct option:
| 1. | \(\text{A}\) and \(\text{D}\) | 2. | \(\text{B}\) and \(\text{E}\) |
| 3. | \(\text{E}\) and \(\text{D}\) | 4. | \(\text{B}\) and \(\text{C}\) |
Subtopic: Carbohydrates - Classification & D-L configuration |
71%
Level 2: 60%+
NEET - 2024
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Subtopic: Carbohydrates - Classification & D-L configuration |
70%
Level 2: 60%+
NEET - 2022
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Which of the following statement is not true about glucose?
1. It is an aldohexose.
2. It contains five hydroxyl groups.
3. It is a reducing sugar.
4. It is an aldopentose.
Subtopic: Carbohydrates - Classification & D-L configuration |
82%
Level 1: 80%+
NEET - 2020
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
| Statement I: | Glycogen is similar to amylose in its structure. |
| Statement II: | Glycogen is found in yeast and fungi also. |
| 1. | Statement I is correct and Statement II is incorrect. |
| 2. | Statement I is incorrect and Statement II is correct. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: Polysaccharides & their Importance |
51%
Level 3: 35%-60%
NEET - 2024
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The reaction of concentrated sulphuric acid with carbohydrates (C12H22O11) is an example of:
1. Dehydration
2. Oxidation
3. Reduction
4. Sulphonation
Subtopic: Polysaccharides & their Importance |
62%
Level 2: 60%+
NEET - 2020
Hints
Which one of the following compounds shows the presence of an intramolecular hydrogen bond?
1. H2O2
2. HCN
3. Cellulose
4. Concentrated acetic acid
Subtopic: Polysaccharides & their Importance |
57%
Level 3: 35%-60%
NEET - 2016
Hints
Which structure(s) of proteins remains(s) intact during denaturation process?
1. Both secondary and tertiary structures
2. Primary structure only
3. Secondary structure only
4. Tertiary structure only
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
83%
Level 1: 80%+
NEET - 2019
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Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
68%
Level 2: 60%+
NEET - 2019
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The difference between amylose and amylopectin is:
| 1. | Amylopectin has 1→4 α - linkage and 1→6 α-linkage. |
| 2. | Amylose has 1→4 α-linkage and 1 → 6 β-linkage. |
| 3. | Amylopectin has 1 → 4 α-linkage and 1 → 6 β-linkage. |
| 4. | Amylose is made up of glucose and galactose. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
62%
Level 2: 60%+
NEET - 2018
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