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.
Test Helpful For: Biology Test
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Biology Enzymes Practice Test Online With Explanation

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1. Which factor is not required for enzyme action?

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

3. Which of the following best defines enzyme inhibition?

4. What is meant by enzyme specificity?

5. Which enzyme is present in saliva?

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

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

8. How does substrate concentration affect enzyme action?

9. Non-competitive inhibitors bind to:

10. Which of the following statements is correct?

11. Which of the following is a coenzyme?

12. What is the role of cofactors?

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

14. What type of biological molecule are most enzymes?

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

16. Why are enzymes reusable?

17. What is an apoenzyme?

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

19. Which enzyme digests proteins in the stomach?

20. What is the term for enzyme helpers that are organic molecules?

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

22. Which of the following best defines an enzyme?

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

24. Which of the following describes a catalyst?

25. The substance acted upon by an enzyme is called:


 

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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