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Q. No.
Subtopic: Zwitter ion & Peptide Bond |
92%
Level 1: 80%+
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Identify the amino acid (shown in the molecule given below):
| 1. | Glycine | 2. | Serine |
| 3. | Alanine | 4. | Methionine |
Subtopic: Nucleic Acid: Nucleotides |
83%
Level 1: 80%+
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Subtopic: Nucleic Acid: Nucleotides |
77%
Level 2: 60%+
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If we represent the chemical composition of living tissue from abundance point of view, the most abundant chemical in living organisms is:
| 1. | Water | 2. | Carbohydrates |
| 3. | Proteins | 4. | Lipids |
Subtopic: Element Analysis |
86%
Level 1: 80%+
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Identify the incorrect statement:
| 1. | Each protein is a polymer of amino acids. |
| 2. | A protein is a heteropolymer and not a homopolymer. |
| 3. | Essential amino acids can be synthesized in our body. |
| 4. | Collagen is the most abundant protein in animal world. |
Subtopic: Proteins |
88%
Level 1: 80%+
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Which end of the glycogen molecule is the reducing end?
1. The left
2. The right
3. The right and the left both
4. Neither the right nor the left
1. The left
2. The right
3. The right and the left both
4. Neither the right nor the left
Subtopic: Carbohydrates: Starch & Glycogen |
80%
Level 1: 80%+
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Identify the correct statements:
1. Only a and b
2. Only a and c
3. Only b and c
4. Only c and d
| a: | Plant cell walls are made of cellulose. |
| b: | Fungal cell walls are made of chitin. |
| c: | True bacterial cell walls are made of lipopolysaccharides. |
| d: | Archaeal cell walls are made of sporopollenin. |
2. Only a and c
3. Only b and c
4. Only c and d
Subtopic: Carbohydrates |
93%
Level 1: 80%+
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Nucleic Acids:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | are polynucleotides. |
| II: | are constituents of the true macromolecular fraction of any living tissue or cell. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Nucleic Acid |
86%
Level 1: 80%+
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Regarding the primary structure of a protein:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The sequence of amino acids i.e., the positional information in a protein is called the primary structure of a protein. |
| II: | A protein is imagined as a line, the left end represented by the first amino acid and the right end represented by the last amino acid. |
| III: | The first amino acid is also called as C-terminal amino acid and the last amino acid is called the N-terminal amino acid. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Structural Organisation of Proteins |
76%
Level 2: 60%+
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Adult human haemoglobin consists of:
I: 4 subunits.
II: 4 types of subunits.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: 4 subunits.
II: 4 types of subunits.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Structural Organisation of Proteins |
86%
Level 1: 80%+
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