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Q. No.Given below is the diagrammatic representation of one of the categories of small
molecular weight organic compounds in the living tissues. Identify the category shown
and the one blank component X in it
Category Component
1. Cholesterol Guanin
2. Amino acid NH2
3. Nucleotide Adenine
4. Nucleoside Uracil
Subtopic: Â Nucleic Acid: Nucleotides |Â Double Helix : Watson & Crick Part 1 |Â Double Helix : Watson & Crick |
 68%
Level 2: 60%+
NEET - 2012
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Nucleoside consists of
1.Phosphate + Sugar + Nitogenous bases
2.Sugar + Nitogenous bases
3.Phosphate + Sugar
4.Phosphate + Nitogenous bases
Subtopic: Â Nucleic Acid: Nucleotides |Â Double Helix : Watson & Crick Part 1 |Â Double Helix : Watson & Crick |
 87%
Level 1: 80%+
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An example of protein with quaternary structure is
1. Myoglobin
2. Haemoglobin
3. Keratin
4. All of these
Subtopic: Â Nucleic Acid: Nucleotides |
 74%
Level 2: 60%+
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Subtopic: Â Nucleic Acid: Nucleotides |
 91%
Level 1: 80%+
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Subtopic: Â Nucleic Acid: Nucleotides |
 92%
Level 1: 80%+
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Match List-I with List-II.
| List-I | List-II | ||
| (a) | Protein | I. | C-C double bonds |
| (b) | Unsaturated fatty acid | II. | Phosphodiester bonds |
| (c) | Nucleic acid | III. | Glycosidic bonds |
| (d) | Polysaccharides | IV. | Peptide bonds |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | II | I | IV | III |
| 2. | IV | III | I | II |
| 3. | IV | I | II | III |
| 4. | I | IV | III | II |
Subtopic: Â Nucleic Acid: Nucleotides |Â Proteins |Â Carbohydrates |Â Lipids |
 86%
Level 1: 80%+
NEET - 2021
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Which of the following is the correct structure of a monomer present in the structure of a DNA molecule?
| 1. |  |
2. | .svg) |
| 3. |  |
4. |  |
Subtopic: Â Nucleic Acid: Nucleotides |Â The DNA |
 72%
Level 2: 60%+
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The chemical components of a nucleotide do not include:
| 1. | A heterocyclic compound |
| 2. | A monosaccharide |
| 3. | A phosphate |
| 4. | A saturated fatty acid |
Subtopic: Â Nucleic Acid: Nucleotides |
 84%
Level 1: 80%+
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Subtopic: Â Nucleic Acid: Nucleotides |Â The DNA |
 79%
Level 2: 60%+
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If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G ?
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
Subtopic: Â Nucleic Acid: Nucleotides |
 85%
Level 1: 80%+
NEET - 2022
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