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Q. No.
Assertion(A): The membrane fragments get separated along with the acid-insoluble pool.
Reason(R): Cell membrane and other membranes form vesicles which are not water-soluble.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Introduction |
80%
Level 1: 80%+
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Match each item in Column-I with one in Column-II and select the correct match from the codes given:
| Column-I | Column-II | ||
| A. | Alkaloid | P. | Ricin |
| B. | Toxin | Q. | Vinblastin |
| C. | Lectin | R. | Morphine |
| D. | Drug | S. | Concanavalin A |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | S | R | Q | P |
| 3. | R | P | S | Q |
| 4. | R | P | Q | S |
Subtopic: Primary & Secondary Metabolites |
89%
Level 1: 80%+
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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 |
81%
Level 1: 80%+
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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 |
78%
Level 2: 60%+
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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 |
87%
Level 1: 80%+
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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 |
Subtopic: Enzymes Classification |
82%
Level 1: 80%+
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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 |
77%
Level 2: 60%+
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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 |
88%
Level 1: 80%+
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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 |
89%
Level 1: 80%+
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Subtopic: Amino Acids |
88%
Level 1: 80%+
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