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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
The optimum temperature for human enzymes is.
Question # 2
Enxyme B requires Zn+2 to catalyse the conversion of substrate X. The zinc is best identified as a .
Question # 3
In feedback inhibition, the final product inhibits.
Question # 4
Which inhibitors are used as antibiotics to kill bacteria.
Question # 5
Activation energy is lowered by
Question # 6
Emil Fischer proposed that,
Question # 7
The enzyme whcih uses ATP to join molecules.
Question # 8
Pepsins's optimum pHis.
Question # 9
The pH at whcih an enzyme works at maximum rate is called.
Question # 10
The temperature at which an enzyme works at its maximum rate is called.
Question # 11
When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.
Question # 12
A slight increase or decreasein pH of an enzyme causes.
Question # 13
Which enzyme breakdown small polypeptides into dipeptides.
Question # 14
Lock and key model of enzyme mechanism was proposed by
Question # 15
When the temperature of body falls below 37.0 oC the bonds that determine enzymes shape becomes.
Question # 16
The loss of gloular shape of enzyme is called.
Question # 17
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
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 -
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R Raisajidalikharal Raisajidalilharal 10 - Jan - 2025 02 Min 28 Sec 16/17 -
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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 | Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as. |
A. Irreversible inhibitor
B. Competitive inhibitor
C. Non competitive inhibitor
D. reversible inhibitor
|
| 2 | the non protein components of enzyme are called. |
A. Co factor
B. Transductor
C. Messenger
D. Both a and b
|
| 3 | 7.0 is the optimum pH of |
A. Catalase and urease
B. Urease and source
C. Pepsin and arginase
D. Pancreatic lipase
|
| 4 | Emil Fischer proposed that, |
A. Activesite is rigid
B. Active site is flexible
C. Active site undergomodification
D. All of above
|
| 5 | Which enzyme breakdown small polypeptides into dipeptides. |
A. Trypsin
B. Aminopeptidese
C. Erypsin
D. Pepsin
|
| 6 | Substrate molecule fits into binding site by wek chemical forces such as. |
A. Covalent bond
B. Metalic Bond
C. Ionic Bond
D. Hydrogen bond
|
| 7 | The pH at whcih an enzyme works at maximum rate is called. |
A. Maximum pH
B. Optimum pH
C. Average pH
D. Top pH
|
| 8 | Achemicla that interferes and blck an ez=nzyme's activity is called. |
A. Inhibitor
B. Activator
C. Accelerator
D. Supressor
|
| 9 | The enzyme whcih uses ATP to join molecules. |
A. Isomerases
B. Ligases
C. Hydrolases
D. Oxidoreductases
|
| 10 | Pepain works in |
A. Acidic pH
B. Alkaline media
C. Low pH
D. All of above
|
Test Questions