Q. No.Consider the given two statements:
Statement I:
A protein is a heteropolymer.
Statement II:
There are 20 types of proteinogenic amino acids and they are linked by peptide bonds to form polypeptides.
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
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| 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 |
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| 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 |
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| 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
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| 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 |
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| 1. | Nucleic acids | 2. | Polysaccharides |
| 3. | Lipids | 4. | Proteins |
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| 1. | A heterocyclic compound |
| 2. | A monosaccharide |
| 3. | A phosphate |
| 4. | A saturated fatty acid |
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| I | II | |
| 1. | 2’ deoxyribose | Ribose |
| 2. | Ribose | 2’ deoxyribose |
| 3. | Adenosine | Adenylic acid |
| 4. | α glucose | β glucose |
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| 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 |
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