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Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
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The fisher presentation of D-glucose is given below.
The correct structure(s) of -L-glucopyranose is (are):
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Carbohydrates - Classification & D-L configuration |
From NCERT
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The structural feature that distinguishes proline from other natural α-amino acids is:
1. It is optically inactive.
2. It contains an aromatic group.
3. It is a dicarboxylic acid.
4. It is a secondary amine.
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
52%
From NCERT
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NEET 2026 - Target Batch - Vital
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D-Glucose→HNO3 (dil) A);
Product (A) is :-
Oxidation of Glucose with dil HNO3
1. D-Gluconic acid
2. D-Glucitol
3. Sacchric acid
4. D-Glucaric acid
Subtopic: Carbohydrates - Classification & D-L configuration |
From NCERT
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| Assertion (A): | Deoxyribose, , is not a carbohydrate. |
| Reason (R): | Carbohydrates are hydrates of carbon so compounds that follow the formula are carbohydrates. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are False. |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Polysaccharides & their Importance |
From NCERT
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Which is not a true statement:
| 1. | α-carbon of α-amino acid is asymmetric except glycine. |
| 2. | Some proteins of human body are found in L-form |
| 3. | Human body can synthesize all proteins they need |
| 4. | At pH = 7 both amino and carboxylic groups exist in ionized form |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
AIPMT - 2002
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NEET 2026 - Target Batch - Vital
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Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
60%
From NCERT
JEE
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Which of the following vitamin is helpful in delaying blood clotting?
1. Vitamin C
2. Vitamin B
3. Vitamin E
4. Vitamin K
Subtopic: Vitamins, Hormones & Enzymes |
From NCERT
JEE
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A base is present in RNA nucleotide, not in DNA, the number of oxygen atoms in the base is-
1. 3
2. 2
3. 4
4. 1
1. 3
2. 2
3. 4
4. 1
Subtopic: DNA, RNA & Metal Ions |
67%
From NCERT
JEE
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The symptom that is not shown by a person suffering from vitamin B2 deficiency is:
1. Retarded growth
2. Digestive disorders
3. Burning sensation of skin
4. Fissuring at the corners of the mouth
1. Retarded growth
2. Digestive disorders
3. Burning sensation of skin
4. Fissuring at the corners of the mouth
Subtopic: Vitamins, Hormones & Enzymes |
60%
From NCERT
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