Question:
Enzymes are mainly classified into .......groups:
Enzymes are mainly classified into .......groups:
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Remember the mnemonic: O T H L I L → 6 enzyme classes.
Updated On: Jun 20, 2026
- 5
- 6
- 7
- 8
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The Correct Option is B
Solution and Explanation
Step 1: Understanding enzyme classification.
Enzymes are biological catalysts that are classified based on the type of reaction they catalyze. The International Union of Biochemistry (IUB) has standardized this classification.
Step 2: IUB classification system.
According to the IUB system, enzymes are divided into six major classes based on reaction type.
Step 3: Listing the six enzyme classes.
The six classes are:
1. Oxidoreductases
2. Transferases
3. Hydrolases
4. Lyases
5. Isomerases
6. Ligases
Step 4: Conceptual understanding.
Each class represents a specific type of biochemical reaction, ensuring systematic grouping of enzymes.
Step 5: Eliminating incorrect options.
Since biological classification clearly defines 6 enzyme groups, options 5, 7, and 8 are incorrect.
Step 6: Final conclusion.
Therefore, enzymes are classified into 6 groups.
Enzymes are biological catalysts that are classified based on the type of reaction they catalyze. The International Union of Biochemistry (IUB) has standardized this classification.
Step 2: IUB classification system.
According to the IUB system, enzymes are divided into six major classes based on reaction type.
Step 3: Listing the six enzyme classes.
The six classes are:
1. Oxidoreductases
2. Transferases
3. Hydrolases
4. Lyases
5. Isomerases
6. Ligases
Step 4: Conceptual understanding.
Each class represents a specific type of biochemical reaction, ensuring systematic grouping of enzymes.
Step 5: Eliminating incorrect options.
Since biological classification clearly defines 6 enzyme groups, options 5, 7, and 8 are incorrect.
Step 6: Final conclusion.
Therefore, enzymes are classified into 6 groups.
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