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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
In complez metaboic pathways, end products formed inhibit the.
Question # 2
The optimum temperature for human enzymes is.
Question # 3
the energy which works to destabilize existing chemical bonds is called.
Question # 4
Pepsin works its best in.
Question # 5
If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that.
Question # 6
The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are.
Question # 7
Which of thefollowing can be affected by temperatur ein an enzyme
Question # 8
Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
Question # 9
Enxymes speed up chemical reactions by lowering.
Question # 10
When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.
Question # 11
The enzymes which remvoe or ad H+ ions or electrons from substrateare called.
Question # 12
All enzymes are syntheesized inside cell by
Question # 13
The phenomenon where the products of a process controls the process itself, oftenly limiting the production of more products is called.
Question # 14
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
Question # 15
The pH at whcih an enzyme works at maximum rate is called.
Question # 16
Which inhibitors are used as antibiotics to kill bacteria.
Question # 17
Catalytic site is adtivatid when
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 | What reoles does nicotinamide adenine dinucleotide playin oxidateive pathways. |
A. Coenzyme
B. Enzyme
C. Prostheitic group
D. Inhibitor
|
| 2 | Which of thefollowing can be affected by temperatur ein an enzyme |
A. Hydrogen bond
B. Hydrophobic interaction
C. Hydrophilic interaction
D. Both a and b
|
| 3 | 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
|
| 4 | Catalytic site is adtivatid when |
A. enzyme inhibitor complex is formed
B. ES complex is formed
C. Subsgtrate attaches at allosteric site
D. Spontaneously
|
| 5 | the enzymes papain is present in |
A. Yellow papaya
B. Green papaya
C. Red papaya
D. blue papaya
|
| 6 | The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are. |
A. Lyases
B. Hyrolases
C. Transferases
D. Isomerases
|
| 7 | Pepain works in |
A. Acidic pH
B. Alkaline media
C. Low pH
D. All of above
|
| 8 | A slight increase or decreasein pH of an enzyme causes. |
A. Incresse in enzyme activity
B. Decrese in enzyme activity
C. No effect on enzyme activity
D. All of above
|
| 9 | 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
|
| 10 | Pick up the irreversible inhibitor |
A. Cyanide
B. Aspirin
C. Succinate dehydrogenase
D. Malonate
|
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