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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
At which regio of active site substrate is transforemd into preodcuts.
Question # 2
Prosthetic groups are attached with enzyme by
Question # 3
The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are.
Question # 4
the energy which works to destabilize existing chemical bonds is called.
Question # 5
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
Question # 6
Enxyme B requires Zn+2 to catalyse the conversion of substrate X. The zinc is best identified as a .
Question # 7
Which of the following is NOTa hyrolase
Question # 8
the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called.
Question # 9
The induced fit model was modified form of lock and key model was proposed by
Question # 10
Which of thefollowing can be affected by temperatur ein an enzyme
Question # 11
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
Question # 12
Enxymes speed up chemical reactions by lowering.
Question # 13
When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called.
Question # 14
Pepsins's optimum pHis.
Question # 15
Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
Question # 16
7.0 is the optimum pH of
Question # 17
In complez metaboic pathways, end products formed inhibit the.
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 | Co enzyms participate in enzyme catalyzed reactions, ofter by transporting . |
A. Electrons
B. Hydrogen atoms
C. Phosphate groups
D. Both a and b
|
| 2 | Emil Fischer proposed that, |
A. Activesite is rigid
B. Active site is flexible
C. Active site undergomodification
D. All of above
|
| 3 | The enzymes which remvoe or ad H+ ions or electrons from substrateare called. |
A. Isomerases
B. Oxidoreductases
C. Lyases
D. Transfeases
|
| 4 | 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
|
| 5 | The enzyme of thermophilic bacterial can function at. |
A. 70 oC
B. 170 oC
C. 210 oC
D. 340 oC
|
| 6 | 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
|
| 7 | The enzyme whcih catalyses the conversion of glucose to fructose is. |
A. Pentose isomerase
B. Hexokinase
C. Hexoisomerase
D. Hexoreductase
|
| 8 | If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be. |
A. Add more of the enxymes
B. Add more substrate
C. Add an allosteric inhibitor
D. Add a non competitive inhibitor
|
| 9 | 7.0 is the optimum pH of |
A. Catalase and urease
B. Urease and source
C. Pepsin and arginase
D. Pancreatic lipase
|
| 10 | In complez metaboic pathways, end products formed inhibit the. |
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
|
Test Questions