Chapter 6 Enzymes Biology 9th Class Federal MCQ Tests
9th Class Biology Chapter 6 MCQ Tests
Chapter 6 of 9th Class Biology has 11 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 11
Total Marks: 11
Time: 15 Mins
Total Questions: 11
Total Marks: 11
Time: 15 Mins
15Min : 00 Sec Remaining
Question # 1
Kind of molecules at which enzymes act are classified as:
Question # 2
Catalytic region in which small portion of molecules are involved in catalysis of a biochemical reaction is called
Question # 3
Vitamins are essential to the survival of organisms, because vitamins usually function as:
Question # 4
Optimum temperature of enzymes present in human body is:
Question # 5
Non-protein components of enzymes are known as:
Question # 6
Amylase is an enzyme involved in the digestion of:
Question # 7
The terminology "Enzyme" was coined by:
Question # 8
The coenzyme is a substance that enhances the action of an enzyme. The coenzyme is:
Question # 9
If more substrate is added to already occurring enzymatic reaction, more enzyme activity is seen because:
Question # 10
Regulators of enzymatic reactions are classified as:
Question # 11
If the concentration of enzyme is kept constant and amount of substrate is increased, a point is reached where increase in substrates concentration does not affect the reaction rate because of:
Total Questions
1234567891011
Question # 1
Kind of molecules at which enzymes act are classified as:
Question # 2
Catalytic region in which small portion of molecules are involved in catalysis of a biochemical reaction is called
Question # 3
Vitamins are essential to the survival of organisms, because vitamins usually function as:
Question # 4
Optimum temperature of enzymes present in human body is:
Question # 5
Non-protein components of enzymes are known as:
Question # 6
Amylase is an enzyme involved in the digestion of:
Question # 7
The terminology "Enzyme" was coined by:
Question # 8
The coenzyme is a substance that enhances the action of an enzyme. The coenzyme is:
Question # 9
If more substrate is added to already occurring enzymatic reaction, more enzyme activity is seen because:
Question # 10
Regulators of enzymatic reactions are classified as:
Question # 11
If the concentration of enzyme is kept constant and amount of substrate is increased, a point is reached where increase in substrates concentration does not affect the reaction rate because of:
Total Questions
1234567891011
Biology MCQ Test by Topics
- +6.1 Role of Enzymes in Metabolism
- +6.2 Characteristics of Enzymes
- +6.3 Co-factors
- +6.4 Factors Affecting the Rate of Enzyme Action
- +6.5 Mechanism of Enzyme Action
- +6.6 Specificity of Enzymes
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9th Class Federal MCQ Tests
9th Class Online Classes 2026
Updated on: 17-05-2026
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