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FSC Part 1 Biology Ch. 5 Test
FSC Part 1 Biology Ch. 5 Test
Start Biology Ch. 5 Test
FSC Part 1 Biology Chapter Wise Test
(English Medium)
11th Class Biology Chapter 5 Online MCQs Tests:
A plenty of MCQs of this chapter is made by our qualified teachers and provided to the students online. The students can practice these important MCQs for getting maximum marks in biology. Download 11th class biology chapter 5 MCQs with answers and start practice. The students can save their money as these tests are available online. Then answers of these MCQs tests are also provided to the students so that they can check their mistakes. Avail this better facility and get ready for the best performance in the biology board exam. The students can attempt their board exam easily if they practice these tests. 11th class biology chapter 5 MCQs in pdf is given on ilmkidunya from where the students can easily download.
MCQ's Test For Chapter 5 "Biology Fsc Part 1 Chapter 5 Online Test"
Try The MCQ's Test For Chapter 5 "Biology Fsc Part 1 Chapter 5 Online Test"
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Total Questions17
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Time Allowed20
Biology Fsc Part 1 Chapter 5 Online Test
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Question # 1
When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called.
Question # 2
Catalytic site is adtivatid when
Question # 3
The speed of a chemicla reaction depends on the amount of.
Question # 4
Pepain works in
Question # 5
Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
Question # 6
The kinds or types of co factor are.
Question # 7
Pepsins's optimum pHis.
Question # 8
The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are.
Question # 9
Reversibel inhibitors make...................bonds with enzymes.
Question # 10
A slight increase or decreasein pH of an enzyme causes.
Question # 11
Which inhibitors are used as antibiotics to kill bacteria.
Question # 12
In complez metaboic pathways, end products formed inhibit the.
Question # 13
Which of the following can affect enzyme activity
Question # 14
The enzymes which remvoe or ad H+ ions or electrons from substrateare called.
Question # 15
The temperature at which an enzyme works at its maximum rate is called.
Question # 16
the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called.
Question # 17
Enxymes speed up chemical reactions by lowering.
11th Class Biology Chapter 5 Test
Top Scorers Of Chapter 5 "Biology Fsc Part 1 Chapter 5 Online Test" MCQ`s Test
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S Saim G 17 - Aug - 2025 01 Min 00 Sec 17/17 -
M M Sohail 20 - Jan - 2025 01 Min 12 Sec 17/17 -
H Habiba Tilawat 19 - Jan - 2025 01 Min 21 Sec 17/17 -
A Akasha Rajpoot 05 - Sep - 2025 01 Min 26 Sec 17/17 -
M Muqaddas Arain 31 - Aug - 2025 09 Min 40 Sec 17/17 -
S Saleh 24 - Aug - 2025 01 Min 12 Sec 16/17 -
R Raisajidalikharal Raisajidalilharal 10 - Jan - 2025 02 Min 28 Sec 16/17 -
H Hijab Irfan 18 - Jan - 2025 02 Min 40 Sec 16/17 -
M Maheen Abid 19 - Jan - 2025 01 Min 41 Sec 15/17 -
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M Muhammad Anwaar Ul Hassan 27 - Aug - 2025 03 Min 03 Sec 14/17
FSc Part 1 Biology (New Book) Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the follow is a potent inhibitor of prostaglandin |
A. Aspirin
B. Tetracycline
C. Dispirin
D. Paracetamol
|
| 2 | If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be. |
A. Add more of the enxymes
B. Add more substrate
C. Add an allosteric inhibitor
D. Add a non competitive inhibitor
|
| 3 | Catalytic site is adtivatid when |
A. enzyme inhibitor complex is formed
B. ES complex is formed
C. Subsgtrate attaches at allosteric site
D. Spontaneously
|
| 4 | A none competitive inhibitor binds to. |
A. The active site
B. The site other than active site
C. The substrate
D. Catalytic site
|
| 5 | The enzymes which remvoe or ad H+ ions or electrons from substrateare called. |
A. Isomerases
B. Oxidoreductases
C. Lyases
D. Transfeases
|
| 6 | If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that. |
A. Substrate concentration wasincreased
B. Substrate concentration was the same
C. Less amount of enzymes is active
D. Enzymes have no effect
|
| 7 | Which of the following represent induced fit model |
A. When substrate combines with the binding site,it induces change in enzyme structure
B. Active site is not a rigid structure
C. It is modified form of lock and key model
D. All of above
|
| 8 | The enzyme whcih catalyses the conversion of glucose to fructose is. |
A. Pentose isomerase
B. Hexokinase
C. Hexoisomerase
D. Hexoreductase
|
| 9 | The protine part of enzyme is called. |
A. Apoenzyme
B. Co enxyme
C. Prothetic group
D. Hologenzyme
|
| 10 | How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction. |
A. By chaing the free energy change of the reaction
B. By acting as a coenzyme for the reaction
C. By changing the shape of the enxyme
D. By binding the active site of the enxyme
|
Test Questions