MDCAT Biology Enzymes Online Test

MDCAT Biology Enzymes Test

MDCAT Biology Enzymes Chaper Online Test

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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MDCAT Biology Enzymes MCQS Online Test

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1. How does substrate concentration affect enzyme action?

2. Which enzyme is present in saliva?

3. Which enzyme functions in acidic pH?

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

5. What is competitive inhibition?

6. Which of the following best defines an enzyme?

7. What is meant by enzyme specificity?

8. What is the role of cofactors?

9. Which term best describes enzymes?

10. Which of the following describes a catalyst?

11. Which enzyme breaks down starch into maltose?

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

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

14. Which factor is not required for enzyme action?

15. What happens when an enzyme is saturated?

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

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

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

19. What is an apoenzyme?

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

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

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

23. What type of biological molecule are most enzymes?

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

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


 

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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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