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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
Which enzyme is responsible for the breakdown of DNA.
Question # 2
Lock and key model of enzyme mechanism was proposed by
Question # 3
7.0 is the optimum pH of
Question # 4
A slight increase or decreasein pH of an enzyme causes.
Question # 5
Which of thefollowing can be affected by temperatur ein an enzyme
Question # 6
Achemicla that interferes and blck an ez=nzyme's activity is called.
Question # 7
The cofactos which are attached with enxyme by convalent bonds are called.
Question # 8
A none competitive inhibitor binds to.
Question # 9
Which of the followign is structurally similar with succinic acid
Question # 10
If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be.
Question # 11
When the temperature of body falls below 37.0 oC the bonds that determine enzymes shape becomes.
Question # 12
Catalytic site is adtivatid when
Question # 13
Activation energy is lowered by
Question # 14
Pick the enzyme which is not related to others.
Question # 15
Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
Question # 16
Which inhibitors are used as antibiotics to kill bacteria.
Question # 17
The enzyme of thermophilic bacterial can function at.
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 -
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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 | At unlimited substrate concentration at a specific time, rate of reaction directly depends on. |
A. Enzyme concentration
B. substrate concentration
C. Temperature
D. pH
|
| 2 | Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA. |
A. Synthetase
B. Decarboxylase
C. Hydroxylase
D. Reductase
|
| 3 | the enzymes papain is present in |
A. Yellow papaya
B. Green papaya
C. Red papaya
D. blue papaya
|
| 4 | 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
|
| 5 | The speed of a chemicla reaction depends on the amount of. |
A. ATP
B. H-ions
C. Substrte
D. Activation energy
|
| 6 | Pick up the irreversible inhibitor |
A. Cyanide
B. Aspirin
C. Succinate dehydrogenase
D. Malonate
|
| 7 | The protine part of enzyme is called. |
A. Apoenzyme
B. Co enxyme
C. Prothetic group
D. Hologenzyme
|
| 8 | The pH at whcih an enzyme works at maximum rate is called. |
A. Maximum pH
B. Optimum pH
C. Average pH
D. Top pH
|
| 9 | The enzymes which remvoe or ad H+ ions or electrons from substrateare called. |
A. Isomerases
B. Oxidoreductases
C. Lyases
D. Transfeases
|
| 10 | Which of the following is an example of hydrolases. |
A. Glycogen phosphorylase
B. Lipase
C. Pyruvte decarboxylase
D. Cytochrome oxidase
|
Test Questions