- 1(current)
Q. No.Subtopic: Enzymes |
93%
From NCERT
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NEET 2025 - Target Batch
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The number of correct statement(s) from the given statements is/are:
1. 2
2. 3
3. 4
4. 5
| I: | Almost all enzymes are proteins. |
| II: | Some nucleic acids can behave like enzymes. |
| III: | No enzyme in living organisms can function above 40 °C. |
| IV: | Enzymes are the reason that chemicals react with each other. |
| V: | Enzymes are not sensitive to pH in their environment. |
2. 3
3. 4
4. 5
Subtopic: Enzymes | Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction |
From NCERT
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Consider the given two statements
| Assertion (A): | In the absence of carbonic anhydrase, carbon dioxide will not react with water to produce carbonic acid. |
| Reason (R): | Enzymes are the cause for the reactions to take place. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True, (R) is False. |
| 4. | (A) is False, (R) is False. |
Subtopic: Enzymes |
65%
From NCERT
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Consider the given two statements:
1. Only I is true.
2. Only II is true.
3. Both I and II are true.
4. Neither I nor II are true.
| I: | All enzymes are proteins. |
| II: | All proteins are enzymes. |
2. Only II is true.
3. Both I and II are true.
4. Neither I nor II are true.
Subtopic: Enzymes |
55%
From NCERT
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Consider the two statements:
| Assertion (A): | Enzyme-catalyzed reactions proceed at rates vastly higher than that of uncatalyzed ones. |
| Reason: | Enzymes require an optimum temperature and an optimum pH to work efficiently. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is False but (R) is True. |
| 4. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
Subtopic: Enzymes | Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction |
87%
From NCERT
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