Consider the given two statements:
Statement 1:
Certain amino acids are essential for our health.
Statement 2:
Only such amino acids are used to make proteins in our body according to our own genetic code.
1.
Both Statement 1 and Statement 2 are correct and Statement 2 correctly explains Statement 1
2.
Both Statement 1 and Statement 2 are correct but Statement 2 does not correctly explain Statement 1
3.
Statement 1 is correct but Statement 2 is incorrect
4.
Statement 1 is incorrect but Statement 2 is correct
Subtopic: Amino Acids |
63%
From NCERT
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Identify the correctly matched pair/s:
| I: | GLUT-4 | Enables glucose transport out of the cells |
| II: | Collagen | Most abundant protein in animal world |
| III: | RuBisCO | Most abundant protein in the whole of the biosphere |
| 1. | Only I | 2. | Only I and II |
| 3. | Only I and III | 4. | Only II and III |
Subtopic: Proteins |
86%
From NCERT
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Consider the given two statements:
1. Only Statement I is correct
2. Only Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
| Statement I: | The right end of the glycogen molecule is called the reducing end and the left end is called the non-reducing end. |
| Statement II: | Glycogen is a homopolymer of alpha glucose. |
2. Only Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Carbohydrates: Starch & Glycogen |
78%
From NCERT
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Consider the given two statements:
| Statement I: | Iodine test can detect the presence of starch but not of cellulose in a given sample. |
| Statement II: | Starch forms helical secondary structure and can hold iodine molecules while cellulose does not contain complex helices and hence cannot hold iodine. |
| 1. | Both Statement I and Statement II are correct and Statement II correctly explains Statement I |
| 2. | Both Statement I and Statement II are correct but Statement II does not correctly explain Statement I |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Carbohydrates | Carbohydrates: Starch & Glycogen |
89%
From NCERT
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The true macromolecular fraction of any living tissue or cell includes all the following biomolecules except:
| 1. | Nucleic acids | 2. | Polysaccharides |
| 3. | Lipids | 4. | Proteins |
Subtopic: Introduction |
85%
From NCERT
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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
1. A heterocyclic compound
2. A monosaccharide
3. A phosphate
4. A saturated fatty acid
Subtopic: Nucleic Acid: Nucleotides |
84%
From NCERT
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Subtopic: Nucleic Acid: Nucleotides | The DNA |
78%
From NCERT
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Identify the given molecules:
| I | II | |
| 1. | 2’ deoxyribose | Ribose |
| 2. | Ribose | 2’ deoxyribose |
| 3. | Adenosine | Adenylic acid |
| 4. | α glucose | β glucose |
Subtopic: Nucleic Acid |
74%
From NCERT
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Identify the correct statements:
| I: | The level of protein structure organization that provides the positional information of amino acids in a protein is called as the primary structure. |
| II: | Only right handed helices are observed in proteins seen in living organisms. |
| III: | Tertiary structure is absolutely necessary for the many biological activities of proteins. |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Proteins |
70%
From NCERT
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The given figure shows:
1. two amino acids linked by a peptide bond formed due to dehydration synthesis
2. two nucleotides linked by a dinucleotide bond formed due to dehydration synthesis
3. two amino acids linked by a peptide bond forming a zwitter ion
4. two nucleotides linked by an ester bond due to hydrolysis
1. two amino acids linked by a peptide bond formed due to dehydration synthesis
2. two nucleotides linked by a dinucleotide bond formed due to dehydration synthesis
3. two amino acids linked by a peptide bond forming a zwitter ion
4. two nucleotides linked by an ester bond due to hydrolysis
Subtopic: Amino Acids |
81%
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