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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 inhibitors are used as antibiotics to kill bacteria.
Question # 2
When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.
Question # 3
Enxymes speed up chemical reactions by lowering.
Question # 4
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
Question # 5
The speed of a chemicla reaction depends on the amount of.
Question # 6
Which of thefollowing can be affected by temperatur ein an enzyme
Question # 7
Prosthetic groups are attached with enzyme by
Question # 8
Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
Question # 9
Achemicla that interferes and blck an ez=nzyme's activity is called.
Question # 10
Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
Question # 11
Which of the following statemetns about enzymes is correct.
Question # 12
the non protein components of enzyme are called.
Question # 13
A slight increase or decreasein pH of an enzyme causes.
Question # 14
Catalytic site is adtivatid when
Question # 15
The kinds or types of co factor are.
Question # 16
Pepsins's optimum pHis.
Question # 17
Lock and key model of enzyme mechanism was proposed by
11th Class Biology Chapter 5 Test
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FSc Part 1 Biology (New Book) Chapter 5 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction. |
A. By chaing the free energy change of the reaction
B. By acting as a coenzyme for the reaction
C. By changing the shape of the enxyme
D. By binding the active site of the enxyme
|
| 2 | Which enzyme breakdown small polypeptides into dipeptides. |
A. Trypsin
B. Aminopeptidese
C. Erypsin
D. Pepsin
|
| 3 | 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
|
| 4 | 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
|
| 5 | The loss of gloular shape of enzyme is called. |
A. Saturation
B. Renaturation
C. Denaturation
D. Flexion
|
| 6 | The enzymes which remvoe or ad H+ ions or electrons from substrateare called. |
A. Isomerases
B. Oxidoreductases
C. Lyases
D. Transfeases
|
| 7 | In complez metaboic pathways, end products formed inhibit the. |
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
|
| 8 | The cofactos which are attached with enxyme by convalent bonds are called. |
A. allosteric enxym
B. Apoenzyme
C. Prosthtic group
D. Proenzyme
|
| 9 | Lock and key model of enzyme mechanism was proposed by |
A. Emil Fisher
B. Norman Haworth
C. Daniel Koshland
D. F-Sanger
|
| 10 | the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called. |
A. Enzyme kinetics
B. Enzyme dynamics
C. Enzyme pathwology
D. Enzyme energetics
|
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