The biomolecule shown in the given figure is:
1.
an aromatic amino acid
2.
a zwitterion
3.
a substituted pyrimidine
4.
a substituted purine
Subtopic: The DNA | Introduction |
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Rates of physical and chemical processes are influenced by temperature among other factors. A general rule of thumb is that rate:
| 1. | doubles by half for every 10°C change in either direction |
| 2. | decreases by half for every 10°C change in either direction |
| 3. | doubles or decreases by half for every 10°C change in either direction |
| 4. | doubles or decreases by half for every 5°C change in either direction |
Subtopic: Enzymes | Enzyme Catalysis |
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Which of the following polysaccharides does not have glucose as its constituent unit?
1. Inulin
2. Starch
3. Cellulose
4. Glycogen
1. Inulin
2. Starch
3. Cellulose
4. Glycogen
Subtopic: Carbohydrates |
84%
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The type of biochemical reaction shown in the figure is catalysed by a group of enzymes called as:
1. Transferases
2. Lyases
3. Ligases
4. Oxidoreductases
1. Transferases
2. Lyases
3. Ligases
4. Oxidoreductases
Subtopic: Enzymes Classification |
81%
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Identify the incorrect statement:
| 1. | Cytosine is common for both DNA and RNA. |
| 2. | Uracil is present in RNA at the place of Thymine. |
| 3. | A nitrogenous base is linked to the OH of 1'C pentose sugar through a N-glycosidic linkage to form a nucleoside. |
| 4. | When a phosphate group is linked to OH of 2'C of a nucleoside through phosphoester linkage, a corresponding nucleotide is formed. |
Subtopic: Nucleic Acid: Nucleotides |
78%
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All the following biomolecules can be called both polymers and macromolecules except:
1. Lipids
2. Proteins
3. Carbohydrates
4. Nucleic acids
1. Lipids
2. Proteins
3. Carbohydrates
4. Nucleic acids
Subtopic: Lipids |
87%
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Which of the following secondary metabolites is a carbohydrate-binding protein [Lectin]?
1. Abrin
2. Vinblastin
3. Curcumin
4. Concanavalin A
1. Abrin
2. Vinblastin
3. Curcumin
4. Concanavalin A
Subtopic: Primary & Secondary Metabolites |
88%
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Subtopic: Amino Acids |
86%
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The activator of alcohol dehydrogenase enzyme is:
1. Zinc
2. Magnesium
3. Manganese
4. Molybdenum
1. Zinc
2. Magnesium
3. Manganese
4. Molybdenum
Subtopic: Enzyme Cofactors |
75%
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Consider the two statements:
| Assertion (A): | Iodine-KI reagent can be used to detect starch in a sample. |
| Reason (R): | Starch can hold iodine molecules in its helical portion and starch-iodine is blue in colour. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain(A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are False. |
| 4. | Both (A) and (R) are True and (R) correctly explains (A). |
Subtopic: Carbohydrates: Starch & Glycogen |
74%
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