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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
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
Question # 2
If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that.
Question # 3
The phenomenon where the products of a process controls the process itself, oftenly limiting the production of more products is called.
Question # 4
The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are.
Question # 5
At unlimited substrate concentration at a specific time, rate of reaction directly depends on.
Question # 6
The cofactos which are attached with enxyme by convalent bonds are called.
Question # 7
The speed of a chemicla reaction depends on the amount of.
Question # 8
Which inhibitors are used as antibiotics to kill bacteria.
Question # 9
Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
Question # 10
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
Question # 11
Rae of enzyme catalyzed reactions are ............times greater than uncatalyzed rection rate.
Question # 12
The enzyms of Calvin cycle and Krebs's cycle.
Question # 13
In complez metaboic pathways, end products formed inhibit the.
Question # 14
The most important coenzyme in a cell is the hydrogen acceptor.
Question # 15
Lock and key modl was proposed by Emil Fischer in.
Question # 16
The enzymes which remvoe or ad H+ ions or electrons from substrateare called.
Question # 17
When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.
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 -
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 -
M Maheen Abid 19 - Jan - 2025 01 Min 41 Sec 15/17 -
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A Akbar Ali 31 - Dec - 2024 02 Min 51 Sec 15/17 -
R Reyan Mirza 20 - Jan - 2025 03 Min 59 Sec 15/17 -
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 | Activation energy is lowered by |
A. Bringing reactants together in correct orientation
B. Stressing particular chemical bonds of reactants
C. Stabilizing bonds of substrate
D. Both a and b
|
| 2 | Lock and key model of enzyme mechanism was proposed by |
A. Emil Fisher
B. Norman Haworth
C. Daniel Koshland
D. F-Sanger
|
| 3 | Which of the following is an example of hydrolases. |
A. Glycogen phosphorylase
B. Lipase
C. Pyruvte decarboxylase
D. Cytochrome oxidase
|
| 4 | The induced fit model was modified form of lock and key model was proposed by |
A. Daniel Koshland
B. Danieal Standford
C. Emil Fischer
D. Van Neil
|
| 5 | All enzymes are syntheesized inside cell by |
A. Ribosomes
B. Lysosomes
C. Mitochondria
D. Vacuoles
|
| 6 | 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
|
| 7 | Enxymes speed up chemical reactions by lowering. |
A. Ionization energy
B. Activation energy
C. Hydration energy
D. Bond energy
|
| 8 | The enzyme of thermophilic bacterial can function at. |
A. 70 oC
B. 170 oC
C. 210 oC
D. 340 oC
|
| 9 | In feedback inhibition, the final product inhibits. |
A. The 1st enzyme in the pathway
B. The last enzyme in the metabolic pathway
C. No enzyme is inhibited in pathway
D. All enzymes areinhibited in pathway
|
| 10 | Pick up the irreversible inhibitor |
A. Cyanide
B. Aspirin
C. Succinate dehydrogenase
D. Malonate
|
Test Questions