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. How does substrate concentration affect enzyme action?

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

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

4. What is an apoenzyme?

5. Which of the following enzymes functions best in the small intestine?

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

7. What is competitive inhibition?

8. Which model explains the enzyme-substrate interaction?

9. Which term best describes enzymes?

10. Which enzyme digests proteins in the stomach?

11. What happens when an enzyme is saturated?

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

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

14. Which enzyme functions in acidic pH?

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

16. Enzyme activity is maximum at:

17. What does the induced-fit model state?

18. Which of the following is true about enzymes?

19. Which of the following best defines an enzyme?

20. Non-competitive inhibitors bind to:

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

22. Which of the following best defines enzyme inhibition?

23. Which of the following statements about enzymes is false?

24. What type of biological molecule are most enzymes?

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


 

How to Score High in Biology Enzymes Online Mcqs Test?

Mastering scientific subjects requires conceptual clarity. This online test helps you prepare for Board Exams and Entry Tests (MDCAT/ECAT).

Key Preparation Tips:

  • Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
  • Formulas: For Physics/Maths, write down the formulas on a separate sheet while solving this quiz.
  • 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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