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Q. No.Antibodies that help to fight infectious agents are
1. Polysaccharides
2. Amino acids
3. Proteins
4. Glucose
Subtopic: Proteins |
87%
From NCERT
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The tertiary structure of proteins can be destroyed by
1. High energy radiations
2. High temperature
3. Drastic changes in pH
4. All of these
1. High energy radiations
2. High temperature
3. Drastic changes in pH
4. All of these
Subtopic: Enzymes |
85%
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Select the false statement.
| 1. | Artificial silk is a polysaccharide |
| 2. | Natural silk is a protein |
| 3. | collagen proteins forms intercellular ground substance |
| 4. | Plant proteins are first class proteins |
Subtopic: Proteins |
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Subtopic: Proteins |
52%
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Beta Pleated structure in a protein is associated with which level of structure organisation?
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
1. Primary
2. Secondary
3. Tertiary
4. Quaternary
Subtopic: Proteins |
84%
From NCERT
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Unsaturated fats are made saturated by
1. Polymerisation
2. Dehydrogenation
3. Hybridisation
4. Hydrogenation
1. Polymerisation
2. Dehydrogenation
3. Hybridisation
4. Hydrogenation
Subtopic: Lipids |
52%
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Arachidonic acid has
1. 20 carbons excluding carboxyl carbon
2. 20 carbons including carboxyl carbon
3. 16 carbons excluding carboxyl carbon
4. 16 carbons including carboxyl carbon
1. 20 carbons excluding carboxyl carbon
2. 20 carbons including carboxyl carbon
3. 16 carbons excluding carboxyl carbon
4. 16 carbons including carboxyl carbon
Subtopic: Lipids |
87%
From NCERT
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Subtopic: Lipids |
90%
From NCERT
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Basic unit of a nucleic acid is
1. pentose sugar
2. Phosphoric acid
3. Nucleotide
4. All of these
1. pentose sugar
2. Phosphoric acid
3. Nucleotide
4. All of these
Subtopic: Nucleic Acid |
55%
From NCERT
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Which of the following statements is incorrect?
1. Lipids are strictly macromolecules
2. Palmitic acid has 16 carbons including carboxyl carbon
3. Oils have low melting point and hence remain as liquids in winters
4. Arachidonic acid is an unsaturated fatty acid
1. Lipids are strictly macromolecules
2. Palmitic acid has 16 carbons including carboxyl carbon
3. Oils have low melting point and hence remain as liquids in winters
4. Arachidonic acid is an unsaturated fatty acid
Subtopic: Introduction |
78%
From NCERT
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