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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
Enxymes speed up chemical reactions by lowering.
Question # 2
Rae of enzyme catalyzed reactions are ............times greater than uncatalyzed rection rate.
Question # 3
Lock and key modl was proposed by Emil Fischer in.
Question # 4
A slight increase or decreasein pH of an enzyme causes.
Question # 5
The induced fit model was modified form of lock and key model was proposed by
Question # 6
Which of the following represent induced fit model
Question # 7
Substrate molecule fits into binding site by wek chemical forces such as.
Question # 8
The enzyme whcih uses ATP to join molecules.
Question # 9
When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.
Question # 10
Pick up the irreversible inhibitor
Question # 11
The enxymes of glycolysis are present in
Question # 12
The enzyme of thermophilic bacterial can function at.
Question # 13
When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called.
Question # 14
Which of the following is NOTa hyrolase
Question # 15
Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
Question # 16
Pepsins's optimum pHis.
Question # 17
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
11th Class Biology Chapter 5 Test
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M M Sohail 20 - Jan - 2025 01 Min 12 Sec 17/17 -
H Habiba Tilawat 19 - Jan - 2025 01 Min 21 Sec 17/17 -
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FSc Part 1 Biology (New Book) Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Pepsin works its best in. |
A. Acidic medium
B. Low pH
C. High pH
D. Both a and b
|
| 2 | The speed of a chemicla reaction depends on the amount of. |
A. ATP
B. H-ions
C. Substrte
D. Activation energy
|
| 3 | Which of the following represent induced fit model |
A. When substrate combines with the binding site,it induces change in enzyme structure
B. Active site is not a rigid structure
C. It is modified form of lock and key model
D. All of above
|
| 4 | The enzymes that catalyse the rections in whihc two molecules are joined togeter by synthesis of new bonds, using enery from ATP, are placed in group |
A. Hydrolase
B. Ligase
D. Transferase
|
| 5 | If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that. |
A. Substrate concentration wasincreased
B. Substrate concentration was the same
C. Less amount of enzymes is active
D. Enzymes have no effect
|
| 6 | In complez metaboic pathways, end products formed inhibit the. |
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
|
| 7 | Emil Fischer proposed that, |
A. Activesite is rigid
B. Active site is flexible
C. Active site undergomodification
D. All of above
|
| 8 | Substrate molecule fits into binding site by wek chemical forces such as. |
A. Covalent bond
B. Metalic Bond
C. Ionic Bond
D. Hydrogen bond
|
| 9 | Which inhibitors are used as antibiotics to kill bacteria. |
A. Competitive
B. Irreersible
C. Non competitive
D. non reversible
|
| 10 | 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
|
Test Questions
Share your comments & questions here
Syed abuzar
15 Oct 2019Its good
Shahbaz
06 Oct 2019thank you so much & this site is very help full for my study
mahnoor
05 Jan 2018Five kingdom classification was not basedupon 'nucleic acid'.
talha
13 Nov 2017actually the five kingdom system of margulis and schwartz was also based on genetics
saman
23 Sep 2016nice