First Year Biology Chapter 5 Online MCQ Test for 1st Year Biology Chapter 5 Variety of Life Preparation

FSC Part 1 Biology Ch. 5 Test

11th Class Biology Chapter 5 Online MCQs Tests:

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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"

  • Total Questions17

  • Time Allowed20

Biology Fsc Part 1 Chapter 5 Online Test

00:00
Question # 1

Which of the following can affect enzyme activity

Question # 2

Small cleft or depression is the sourface of globular enzyme is.

Question # 3

When the co factor is a non protein organic molccule and is loosely attached with enxyme it is called.

Question # 4

the non protein components of enzyme are called.

Question # 5

Which of thefollowing can be affected by temperatur ein an enzyme

Question # 6

The enxymes of glycolysis are present in 

Question # 7

Which of the following is correct about enzymes.

Question # 8

The enzyme whcih catalyses the conversion of glucose to fructose is.

Question # 9

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 # 10

Pick up the irreversible inhibitor

Question # 11

the enzymes papain is present in 

Question # 12

How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.

Question # 13

The enzyme whcih uses ATP to join molecules.

Question # 14

In complez metaboic pathways, end products formed inhibit the.

Question # 15

The speed of a chemicla reaction depends on the amount of.

Question # 16

Which of the following represent induced fit model

Question # 17

The pH at whcih an enzyme works at maximum rate is called.

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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 Pick up the irreversible inhibitor
A. Cyanide
B. Aspirin
C. Succinate dehydrogenase
D. Malonate
2 When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.
A. Nicotinamide Adenine Dinucleotide
B. Nicotinamide Ganine dinucleotide
C. Nicotinamide cytosine dinucletide
D. Nicotinamide Thymine Dinucleotide
3 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
4 Emil Fischer proposed that,
A. Activesite is rigid
B. Active site is flexible
C. Active site undergomodification 
D. All of above
5 Pepsins's optimum pHis.
A. 1.5- 1.6
B. 4.6 -5.2
C. 8.0
D. 7.8 - 8.7
6 the non protein components of enzyme are called.
A. Co factor
B. Transductor
C. Messenger
D. Both a and b
7 The cofactos which are attached with enxyme by convalent bonds are called.
A. allosteric enxym
B. Apoenzyme
C. Prosthtic group
D. Proenzyme
8 Lock and key modl was proposed by Emil Fischer in.
A. 1890
B. 1882
C. 1958
D. 1894
9 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
10 Substrate molecule fits into binding site by wek chemical forces such as.
A. Covalent bond
B. Metalic Bond
C. Ionic Bond
D. Hydrogen bond

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