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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
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
Question # 2
In feedback inhibition, the final product inhibits.
Question # 3
Rae of enzyme catalyzed reactions are ............times greater than uncatalyzed rection rate.
Question # 4
The enzymes which remvoe or ad H+ ions or electrons from substrateare called.
Question # 5
Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
Question # 6
If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be.
Question # 7
The temperature at which an enzyme works at its maximum rate is called.
Question # 8
At unlimited substrate concentration at a specific time, rate of reaction directly depends on.
Question # 9
Pepain works in
Question # 10
The enxymes of glycolysis are present in
Question # 11
The optimum temperature for human enzymes is.
Question # 12
Which of the following is an example of hydrolases.
Question # 13
Achemicla that interferes and blck an ez=nzyme's activity is called.
Question # 14
Enxyme B requires Zn+2 to catalyse the conversion of substrate X. The zinc is best identified as a .
Question # 15
The pH at whcih an enzyme works at maximum rate is called.
Question # 16
Prosthetic groups are attached with enzyme by
Question # 17
Which enzyme breakdown small polypeptides into dipeptides.
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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H Hijab Irfan 18 - Jan - 2025 02 Min 40 Sec 16/17 -
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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 | All enzymes are syntheesized inside cell by |
A. Ribosomes
B. Lysosomes
C. Mitochondria
D. Vacuoles
|
| 2 | Which of the following is correct about enzymes. |
A. Enzymes increase the activation energy
B. The presene of enxymes does not affet the natur eor properties of end products
C. Enxymes are synthesized y endocrine cells
D. Enxymes are fibrous proteins
|
| 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 | the enzymes papain is present in |
A. Yellow papaya
B. Green papaya
C. Red papaya
D. blue papaya
|
| 5 | Enxyme B requires Zn+2 to catalyse the conversion of substrate X. The zinc is best identified as a . |
A. Product
B. Substrate
C. Activator
D. Coenzyme
|
| 6 | Which enxyme class is responsible for catalysing the addition of water to a substrate molecule. |
A. Isomerase
B. Lyase
C. Hydrolase
D. Ligase
|
| 7 | Prosthetic groups are attached with enzyme by |
A. Hydrogen bond
B. Ionic bond
C. Covalent bond
D. Hydrophobic interaction
|
| 8 | When the temperature of body falls below 37.0 oC the bonds that determine enzymes shape becomes. |
A. Less flexible
B. More hard
C. Less hard
D. More flexible
|
| 9 | The most important coenzyme in a cell is the hydrogen acceptor. |
A. NAD
B. ATP
C. FADH2
D. Co -enzyme Q
|
| 10 | Lock and key model of enzyme mechanism was proposed by |
A. Emil Fisher
B. Norman Haworth
C. Daniel Koshland
D. F-Sanger
|
Test Questions