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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
Pepain works in
Question # 2
Which enzyme is responsible for the breakdown of DNA.
Question # 3
The optimum temperature for human enzymes is.
Question # 4
The protine part of enzyme is called.
Question # 5
Enxyme B requires Zn+2 to catalyse the conversion of substrate X. The zinc is best identified as a .
Question # 6
Lock and key model of enzyme mechanism was proposed by
Question # 7
Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
Question # 8
The enzymes which remvoe or ad H+ ions or electrons from substrateare called.
Question # 9
the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called.
Question # 10
Enzmes are .................globular proteins.
Question # 11
The pH at whcih an enzyme works at maximum rate is called.
Question # 12
When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called.
Question # 13
the energy which works to destabilize existing chemical bonds is called.
Question # 14
Which enxyme class is responsible for catalysing the addition of water to a substrate molecule.
Question # 15
The enzyme whcih catalyses the conversion of glucose to fructose is.
Question # 16
the non protein components of enzyme are called.
Question # 17
At which regio of active site substrate is transforemd into preodcuts.
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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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 | 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
|
| 2 | Pick up the irreversible inhibitor |
A. Cyanide
B. Aspirin
C. Succinate dehydrogenase
D. Malonate
|
| 3 | Which inhibitors are used as antibiotics to kill bacteria. |
A. Competitive
B. Irreersible
C. Non competitive
D. non reversible
|
| 4 | the non protein components of enzyme are called. |
A. Co factor
B. Transductor
C. Messenger
D. Both a and b
|
| 5 | Which enzyme breakdown small polypeptides into dipeptides. |
A. Trypsin
B. Aminopeptidese
C. Erypsin
D. Pepsin
|
| 6 | 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
|
| 7 | Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA. |
A. Synthetase
B. Decarboxylase
C. Hydroxylase
D. Reductase
|
| 8 | If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be. |
A. Add more of the enxymes
B. Add more substrate
C. Add an allosteric inhibitor
D. Add a non competitive inhibitor
|
| 9 | Mark the disaccharide |
A. Cellobiose
B. Chitin
C. Mannose
D. Cellulose
|
| 10 | 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.
|
Test Questions