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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
Pepsin works its best in.
Question # 2
Which of the followign is structurally similar with succinic acid
Question # 3
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
Question # 4
The enzyms of Calvin cycle and Krebs's cycle.
Question # 5
Which of the following can affect enzyme activity
Question # 6
Which of the follow is a potent inhibitor of prostaglandin
Question # 7
the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called.
Question # 8
At which regio of active site substrate is transforemd into preodcuts.
Question # 9
the energy which works to destabilize existing chemical bonds is called.
Question # 10
When the temperature of body falls below 37.0 oC the bonds that determine enzymes shape becomes.
Question # 11
What reoles does nicotinamide adenine dinucleotide playin oxidateive pathways.
Question # 12
Which enzyme breakdown small polypeptides into dipeptides.
Question # 13
Which of thefollowing can be affected by temperatur ein an enzyme
Question # 14
The cofactos which are attached with enxyme by convalent bonds are called.
Question # 15
If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that.
Question # 16
Reversibel inhibitors make...................bonds with enzymes.
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 | 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
|
| 2 | Which of the follow is a potent inhibitor of prostaglandin |
A. Aspirin
B. Tetracycline
C. Dispirin
D. Paracetamol
|
| 3 | 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
|
| 4 | In feedback inhibition, the final product inhibits. |
A. The 1st enzyme in the pathway
B. The last enzyme in the metabolic pathway
C. No enzyme is inhibited in pathway
D. All enzymes areinhibited in pathway
|
| 5 | Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as. |
A. Irreversible inhibitor
B. Competitive inhibitor
C. Non competitive inhibitor
D. reversible inhibitor
|
| 6 | The cofactos which are attached with enxyme by convalent bonds are called. |
A. allosteric enxym
B. Apoenzyme
C. Prosthtic group
D. Proenzyme
|
| 7 | The enzyms of Calvin cycle and Krebs's cycle. |
A. Present in karyoplasm
B. Dispersed in cytoplasm
C. Bound to memebranes of their organelles
D. Presnet in periplasmic space
|
| 8 | Emil Fischer proposed that, |
A. Activesite is rigid
B. Active site is flexible
C. Active site undergomodification
D. All of above
|
| 9 | Prosthetic groups are attached with enzyme by |
A. Hydrogen bond
B. Ionic bond
C. Covalent bond
D. Hydrophobic interaction
|
| 10 | 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
|
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