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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
Achemicla that interferes and blck an ez=nzyme's activity is called.
Question # 2
Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
Question # 3
The protine part of enzyme is called.
Question # 4
The optimum temperature for human enzymes is.
Question # 5
The induced fit model was modified form of lock and key model was proposed by
Question # 6
Which of the following can affect enzyme activity
Question # 7
Pick the enzyme which is not related to others.
Question # 8
A slight increase or decreasein pH of an enzyme causes.
Question # 9
How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
Question # 10
The enzyme whcih catalyses the conversion of glucose to fructose is.
Question # 11
Pepain works in
Question # 12
Rae of enzyme catalyzed reactions are ............times greater than uncatalyzed rection rate.
Question # 13
Mark the disaccharide
Question # 14
Enzmes are .................globular proteins.
Question # 15
Substrate molecule fits into binding site by wek chemical forces such as.
Question # 16
At which regio of active site substrate is transforemd into preodcuts.
Question # 17
7.0 is the optimum pH of
11th Class Biology Chapter 5 Test
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| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which enzyme is responsible for the breakdown of DNA. |
A. DNA polymerase
B. DNA synthase
C. DNA Ligase
D. DNA ase
|
| 2 | 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
|
| 3 | When the temperature of body falls below 37.0 oC the bonds that determine enzymes shape becomes. |
A. Less flexible
B. More hard
C. Less hard
D. More flexible
|
| 4 | At unlimited substrate concentration at a specific time, rate of reaction directly depends on. |
A. Enzyme concentration
B. substrate concentration
C. Temperature
D. pH
|
| 5 | Which of the following can affect enzyme activity |
A. pH
B. Temperature
C. Enzyme concentration
D. All of above
|
| 6 | 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
|
| 7 | The enxymes of glycolysis are present in |
A. Nucleoplasm
B. Cytoplasm
C. Stroma
D. Mitochondrial matrix
|
| 8 | Lock and key model of enzyme mechanism was proposed by |
A. Emil Fisher
B. Norman Haworth
C. Daniel Koshland
D. F-Sanger
|
| 9 | Pepsin works its best in. |
A. Acidic medium
B. Low pH
C. High pH
D. Both a and b
|
| 10 | In complez metaboic pathways, end products formed inhibit the. |
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
|
Test Questions
