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 temperature in enzyme activity?

2. Which enzyme functions in acidic pH?

3. Non-competitive inhibitors bind to:

4. What is meant by enzyme specificity?

5. What term describes the minimum energy required to start a reaction?

6. Which factor is not required for enzyme action?

7. What is competitive inhibition?

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

9. Which model explains the enzyme-substrate interaction?

10. Which enzyme is present in saliva?

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

12. The enzyme that breaks down urea into ammonia and carbon dioxide is:

13. Which of the following is true about enzymes?

14. What does the induced-fit model state?

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

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

17. Which term describes an enzyme with its cofactor attached?

18. What happens when an enzyme is saturated?

19. How does substrate concentration affect enzyme action?

20. Which of the following describes a catalyst?

21. Which term is used for substances that increase enzyme activity?

22. What is the result when an enzyme binds to a substrate?

23. Which enzyme breaks hydrogen peroxide into water and oxygen?

24. Which enzyme catalyzes the breakdown of fats?

25. What is the effect of high temperature on enzymes?


 

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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