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Q. No.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 |
56%
From NCERT
NEET - 2016
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In humans, the main oxygen carrier in the blood is -
1. Hemocyanin
2. Proteins
3. Haemoglobin
4. Both microorganisms and haemoglobin.
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
85%
From NCERT
NEET - 2017
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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 |
61%
From NCERT
NEET - 2018
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The central dogma of molecular genetics states that the genetic information flows from:
1. amino acid - proteins - DNA
2. DNA - carbohydrates - proteins
3. DNA - RNA - proteins
4. DNA - RNA - Carbohydrates
Subtopic: DNA, RNA & Metal Ions |
93%
From NCERT
NEET - 2016
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Which of the following statements is not correct?
| 1. | Ovalbumin is a simple food reserve in egg white. |
| 2. | Blood proteins thrombin and fibrinogen are involved in blood clotting. |
| 3. | Denaturation makes the proteins more active. |
| 4. | Insulin maintains sugar level in the blood of the human body. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
85%
From NCERT
NEET - 2017
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Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
74%
From NCERT
NEET - 2018
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Amino acids are linked together in protein by:
| 1. | β -glycosidic bond | 2. | Peptide bond |
| 3. | Dative bond | 4. | α -glycosidic bond |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
93%
From NCERT
NEET - 2016
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The correct statement regarding RNA and DNA, respectively is:
| 1. | The sugar component in RNA is ribose and the sugar component in DNA is 2'-deoxyribose. |
| 2. | The sugar component in RNA is arabinose and the sugar component in DNA is ribose. |
| 3. | The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose. |
| 4. |
The sugar component in RNA is arabinose and the sugar component in DNA is 2’-deoxyribose.
|
Subtopic: DNA, RNA & Metal Ions |
93%
From NCERT
NEET - 2016
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Subtopic: Carbohydrates - Classification & D-L configuration |
91%
From NCERT
NEET - 2016
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D(+) glucose yields an oxime with hydroxyl amine. The structure of the oxime would be:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Carbohydrates - Classification & D-L configuration |
79%
From NCERT
AIPMT - 2014
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