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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
The temperature at which an enzyme works at its maximum rate is called.
Question # 2
The kinds or types of co factor are.
Question # 3
Which inhibitors are used as antibiotics to kill bacteria.
Question # 4
If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be.
Question # 5
Small cleft or depression is the sourface of globular enzyme is.
Question # 6
Which enzyme is responsible for the breakdown of DNA.
Question # 7
Pepsin works its best in.
Question # 8
The pH at whcih an enzyme works at maximum rate is called.
Question # 9
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
Question # 10
Emil Fischer proposed that,
Question # 11
Activation energy is lowered by
Question # 12
The loss of gloular shape of enzyme is called.
Question # 13
The induced fit model was modified form of lock and key model was proposed by
Question # 14
Substrate molecule fits into binding site by wek chemical forces such as.
Question # 15
When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called.
Question # 16
The speed of a chemicla reaction depends on the amount of.
Question # 17
Which enxyme class is responsible for catalysing the addition of water to a substrate molecule.
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 -
A Akbar Ali 31 - Dec - 2024 02 Min 51 Sec 15/17 -
B Bakho Bhatti 17 - May - 2026 03 Min 44 Sec 15/17 -
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H Hafsa Waseem 21 - Jan - 2025 02 Min 22 Sec 14/17 -
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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 following is an example of hydrolases. |
A. Glycogen phosphorylase
B. Lipase
C. Pyruvte decarboxylase
D. Cytochrome oxidase
|
| 2 | Rae of enzyme catalyzed reactions are ............times greater than uncatalyzed rection rate. |
A. 103 to 108
B. 102 to 103
C. 106 to 1011
D. 108 to 1010
|
| 3 | Which of the follow is a potent inhibitor of prostaglandin |
A. Aspirin
B. Tetracycline
C. Dispirin
D. Paracetamol
|
| 4 | When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called. |
A. Allosteric enzyme
B. Co enzyme
C. Prostheitc group
D. Zymogen
|
| 5 | A none competitive inhibitor binds to. |
A. The active site
B. The site other than active site
C. The substrate
D. Catalytic site
|
| 6 | Pepain works in |
A. Acidic pH
B. Alkaline media
C. Low pH
D. All of above
|
| 7 | Small cleft or depression is the sourface of globular enzyme is. |
A. Active site
B. Synaptic cleft
C. T tubule
D. No such cleft exists
|
| 8 | In complez metaboic pathways, end products formed inhibit the. |
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
|
| 9 | 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
|
| 10 | 7.0 is the optimum pH of |
A. Catalase and urease
B. Urease and source
C. Pepsin and arginase
D. Pancreatic lipase
|
Test Questions