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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
00:00
Question # 1
Achemicla that interferes and blck an ez=nzyme's activity is called.
Question # 2
Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
Question # 3
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
Question # 4
Pepsins's optimum pHis.
Question # 5
the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called.
Question # 6
The complete enzyme ncluding its coensyme or prosthtiec grop is termed as
Question # 7
The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are.
Question # 8
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
Question # 9
Pick up the irreversible inhibitor
Question # 10
Reversibel inhibitors make...................bonds with enzymes.
Question # 11
Which enzyme breakdown small polypeptides into dipeptides.
Question # 12
Which inhibitors are used as antibiotics to kill bacteria.
Question # 13
The most important coenzyme in a cell is the hydrogen acceptor.
Question # 14
If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that.
Question # 15
Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
Question # 16
Rae of enzyme catalyzed reactions are ............times greater than uncatalyzed rection rate.
Question # 17
Which of the following statemetns about enzymes is correct.
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 -
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M Muqaddas Arain 31 - Aug - 2025 09 Min 40 Sec 17/17 -
F Fi Ki vines 25 - Dec - 2024 00 Min 19 Sec 16/17 -
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 -
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H Hafsa Waseem 21 - Jan - 2025 02 Min 22 Sec 14/17 -
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 | The enxymes of glycolysis are present in |
A. Nucleoplasm
B. Cytoplasm
C. Stroma
D. Mitochondrial matrix
|
| 2 | At which regio of active site substrate is transforemd into preodcuts. |
A. Binding site
B. Catalytic site
C. Peptidyle site
D. Aminoscyl site
|
| 3 | Which of the following statemetns about enzymes is correct. |
A. They increasse the activation energy of a reaction
B. They are consumed during the reaction
C. They are specific in terms of the reactions they catalyse
D. They always wor optimally at high temperatures.
|
| 4 | A slight increase or decreasein pH of an enzyme causes. |
A. Incresse in enzyme activity
B. Decrese in enzyme activity
C. No effect on enzyme activity
D. All of above
|
| 5 | The loss of gloular shape of enzyme is called. |
A. Saturation
B. Renaturation
C. Denaturation
D. Flexion
|
| 6 | The pH at whcih an enzyme works at maximum rate is called. |
A. Maximum pH
B. Optimum pH
C. Average pH
D. Top pH
|
| 7 | Catalytic site is adtivatid when |
A. enzyme inhibitor complex is formed
B. ES complex is formed
C. Subsgtrate attaches at allosteric site
D. Spontaneously
|
| 8 | The phenomenon where the products of a process controls the process itself, oftenly limiting the production of more products is called. |
A. Feedback activation
B. Feed forward activation
C. Feed back inhibition
D. Feed forward inhibition
|
| 9 | Which inhibitors are used as antibiotics to kill bacteria. |
A. Competitive
B. Irreersible
C. Non competitive
D. non reversible
|
| 10 | Achemicla that interferes and blck an ez=nzyme's activity is called. |
A. Inhibitor
B. Activator
C. Accelerator
D. Supressor
|
Test Questions