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Subtopic: Carbohydrates - Classification & D-L configuration |
68%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Which one of the following is a water-soluble vitamin, that is not excreted easily?
1. Vitamin B2
2. Vitamin B1
3. Vitamin B6
4. Vitamin B12
1. Vitamin B2
2. Vitamin B1
3. Vitamin B6
4. Vitamin B12
Subtopic: Vitamins, Hormones & Enzymes |
88%
From NCERT
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Given below are two statements. One is labelled as Assertion A and the other is Labelled as Reason R.
In light of the above statements, choose the correct answer from the options given below.
| Assertion (A): | Amylose is insoluble in water. |
| Reason (R): | Amylose is a long linear molecule with more than 200 glucose units. |
| 1. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
| 3. | (A) is correct but (R) is not correct. |
| 4. | (A) is not correct but (R) is correct. |
Subtopic: Polysaccharides & their Importance |
68%
From NCERT
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Subtopic: Carbohydrates - Classification & D-L configuration |
87%
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Amylopectin is a branched chain polymer of α-D-glucose having:
| 1. | C1-C4 and C1-C2 glycosidic linkage only. |
| 2. | C1-C6 glycosidic linkage only. |
| 3. | C1-C4 and C1-C6 glycosidic linkage only. |
| 4. | C1-C2 and C1-C6 glycosidic linkage only. |
Subtopic: Polysaccharides & their Importance |
85%
From NCERT
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The total number of chiral carbons/centers in \(\beta - D- \) ribose are:
1. Three
2. Four
3. Five
4. Two
1. Three
2. Four
3. Five
4. Two
Subtopic: DNA, RNA & Metal Ions |
59%
From NCERT
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Identify the anomeric carbon in the given structure of \(\alpha-D-\) glucopyranose:
| 1. | C1 | 2. | C2 and C3 |
| 3. | C4 and C5 | 4. | C6 |
Subtopic: Carbohydrates - Classification & D-L configuration |
81%
From NCERT
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Consider the following statements:
The correct statements are:
1. (a) and (b) only
2. (b) and (c) only
3. (a) and (c) only
4. (a), (b) and (c)
| a. | Glucose is also known as dextrose. |
| b. | Glucose is oxidized to saccharic acid using bromine water. |
| c. | \(\alpha - \text D (+) -\) Glucose contains five chiral centers. |
The correct statements are:
1. (a) and (b) only
2. (b) and (c) only
3. (a) and (c) only
4. (a), (b) and (c)
Subtopic: Carbohydrates - Classification & D-L configuration |
56%
From NCERT
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| Statement I: | A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. |
| Statement II: | Nucleotides are joined together by phosphodiester linkage between 5' and 3' carbon atoms of the pentose sugar. |
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Statement I is incorrect but Statement II is correct. |
| 3. | Both Statement I and Statement II are correct. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
81%
From NCERT
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When 10 units of monosaccharides are condensed to form oligosaccharides. The number of water molecules eliminated is:
1. 10
2. 9
3. 8
4. 7
1. 10
2. 9
3. 8
4. 7
Subtopic: Polysaccharides & their Importance |
84%
From NCERT
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