Biology Enzymes Online Mcqs Test

Start your preparation for Biology Enzymes Online Mcqs Test. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Biology Enzymes Question and Answer

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Biology Enzymes Practice Test Online With Explanation

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1. What is the role of cofactors?

2. What happens when an enzyme reaches its saturation point?

3. Which of the following affects enzyme action?

4. Which of the following describes a catalyst?

5. Which of the following can act as a cofactor?

6. In which condition does enzyme activity generally slow down?

7. Which of these is an example of an irreversible inhibitor?

8. Which enzyme is present in saliva?

9. Which of the following does not affect enzyme activity?

10. What is the function of catalase?

11. Which enzyme is used in detergents to remove protein stains?

12. What is the name of the process when an enzyme is altered and stops functioning?

13. Which of the following increases the rate of an enzyme-catalyzed reaction?

14. Which enzyme functions in acidic pH?

15. Which of the following is a coenzyme?

16. Which factor is not required for enzyme action?

17. What is the role of temperature in enzyme activity?

18. What is the region on the enzyme where the substrate binds called?

19. Which model explains the enzyme-substrate interaction?

20. What is competitive inhibition?

21. How does substrate concentration affect enzyme action?

22. What does the induced-fit model state?

23. What is the effect of extreme pH on enzyme structure?

24. Enzyme activity is maximum at:

25. Which enzyme catalyzes the breakdown of fats?


 

How to Score High in Biology Enzymes Online Mcqs Test?

Mastering scientific subjects requires conceptual clarity.

Key Preparation Tips:

  • Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
  • Time Management: Attempt this online quiz multiple times to improve your speed.

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65 Comments

  1. q k jab mene page refresh kia to same mcqs arhe te but agey peche te to kia ye important he k nai ????plzzz help me i m so confused

  2. What d hack I have thorally read d chap but still don’t know many answrs they r out of book I guess

  3. what iz the criteria of aggregation ?? nd iz MCAT necessary ?? if yes then what is the % weightage??

  4. I have fild my form for mbbs from joinpakarmy.gov.pk I selected option of mbbs from all medical colleges so it after mbbs I will be captain in pak army or mbbs from amc can be captain at Pakistan arny

  5. I didn’t know who and where to ask on this forum if I can get any entry test exam papers for 2015 or 2016 specifically for KMC? Thanks

  6. Since it’s not mentioned anywhere in sindh textbook of biology that co-factor is the only non protein part of an enzyme and it’s mentioned at the top of page that “prosthetic group is the non protien part of an enzyme. If it’s inorganic then it’s co-factor and if it’s organic then it is co-enzyme.” Prosthetic group is the right answer.

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