Chapter 3 Enzymes Biology 11th Class Punjab MCQ Tests
11th Class Biology Chapter 3 MCQ Tests
Chapter 3 of 11th Class Biology has 9 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: 9
Total Marks: 9
Time: 10 Mins
Total Questions: 9
Total Marks: 9
Time: 10 Mins
10Min : 00 Sec Remaining
Question # 1
Regulators of enzymatic reactions are classified as:
Question # 2
Which one of the following statement is incorrect about "Lock and Key Model"?
Question # 3
Enzyme present in leaf, latex and roots of papaya and mountain papaya is:
Question # 4
Pineapple juice and pineapple stem contains which one of the following enzyme?
Question # 5
Most modern hypothesis about enzyme action is:
Question # 6
If more substrate is added to already occurring enzymatic biochemical reaction and there is no effect on the rate of the reaction, it means one of the following point has reached:
Question # 7
Lock and Key model was proposed by:
Question # 8
Catalytic region in which small portion of molecules are involved in catalysis of a biochemical reaction is called
Question # 9
A three dimensional cavity bearing a specific charge by which the enzyme reacts with its substrate is called:
Total Questions
123456789
Question # 1
Regulators of enzymatic reactions are classified as:
Question # 2
Which one of the following statement is incorrect about "Lock and Key Model"?
Question # 3
Enzyme present in leaf, latex and roots of papaya and mountain papaya is:
Question # 4
Pineapple juice and pineapple stem contains which one of the following enzyme?
Question # 5
Most modern hypothesis about enzyme action is:
Question # 6
If more substrate is added to already occurring enzymatic biochemical reaction and there is no effect on the rate of the reaction, it means one of the following point has reached:
Question # 7
Lock and Key model was proposed by:
Question # 8
Catalytic region in which small portion of molecules are involved in catalysis of a biochemical reaction is called
Question # 9
A three dimensional cavity bearing a specific charge by which the enzyme reacts with its substrate is called:
Total Questions
123456789
Biology MCQ Test by Topics
- +3.1 ENZYMES
- +3.2 CHARACTERISTICS OF ENZYMES
- +3.3 MECHANISM OF ENZYMES ACTION (CATALYSIS)
- +3.4 FACTORS AFFECTING THE RATE OF ENZYME ACTION
- +3.4.1 Inhibitors
Biology
11th Class Online Classes 2026
Updated on: 21-05-2026
11th Class Online Preparation
11th Class 2026 Online
11th Class 2026
Add a Comment
Comments will be shown after admin approval.
Spam comments will not be approved at all.
Matric Result 2026 Punjab
10th Class Result 2026 Punjab
9th Class Result 2026 Punjab Boards
10th Class Result Gazette 2026 Punjab
Punjab Past Papers Matric 9th 10th
Primary Results 5th & 8th Class
BISE Results Intermediate & Matric
BISE Punjab Boards
Sindh Educational Boards
KPK Examination Boards
Technical Boards
Public Service Commission
University Results Gruaduation, Masters Classes
Subscribe by Email
Subscribe by Email
Position Holders Matric 2026
Position Holders 9th Class 2026
Position Holders Inter 2026
Position Holders 11th Class 2026
Punjab 11th Class Biology









