- 1(current)
Q. No.Read the statements A and B carefully and select the correct answer.
Statement A: Enzyme-substrate complex produced during a catalysed reaction is highly reactive.
Statement B: This complex dissociates into its product and changed enzyme with an intermediate formation of enzyme-product
complex.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement A is incorrect
Statement A: Enzyme-substrate complex produced during a catalysed reaction is highly reactive.
Statement B: This complex dissociates into its product and changed enzyme with an intermediate formation of enzyme-product
complex.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement A is incorrect
Subtopic: Enzymes | Enzyme Catalysis |
From NCERT
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| Assertion(A): | When glucose is catabolised to lactic acid, energy is liberated. |
| Reason(R): | In an exothermic reaction, the energy level of ‘Product’ (lactic acid) is lower than that of ‘Substrate’ (glucose). |
| 1. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 3. | (A) is true, (R) is false |
| 4. | (A) is false, (R) is true |
Subtopic: Enzyme Catalysis | Introduction |
From NCERT
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Hints
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Assertion (A): Enzymes lower down the activation energy of the reactant molecule to make its transition into product easier.
Reason (R): Enzymes are highly substrate specific catalysts.
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. Both (A) and (R) are false.
Reason (R): Enzymes are highly substrate specific catalysts.
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. Both (A) and (R) are false.
Subtopic: Enzymes | Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction | Properties of Enzymes | Mechanism of Enzymes | Enzyme Introduction |
79%
From NCERT
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Hints
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Assertion (A): Enzymes get denatured at high temperature
Reason (R): Inorganic catalyst work efficiently at high temperatures.
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. Both (A) and (R) are false.
Reason (R): Inorganic catalyst work efficiently at high temperatures.
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. Both (A) and (R) are false.
Subtopic: Enzyme Catalysis | Properties of Enzymes |
90%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
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NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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