Almost all enzymes are:

1. Polysaccharides 2. Proteins
3. Nucleic acids 4. Lipids
Subtopic:  Enzymes |
 93%
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The number of correct statements from the given statements are:
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.
1. 2
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 |
 66%
From NCERT
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Consider the given two statements:
I: All enzymes are proteins.
II: All proteins are enzymes.
1. Only is true.
2. Only II is true.
3. Both I and II are true.
4. Neither I nor II are true.
Subtopic:  Enzymes |
 57%
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 |
 85%
From NCERT
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