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

A none competitive inhibitor binds to.

Question # 2

Which enxyme class is responsible for catalysing the addition of water to a substrate molecule.

Question # 3

The enxymes of glycolysis are present in 

Question # 4

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

Question # 5

Which of the followign is structurally similar with succinic acid

Question # 6

The temperature at which an enzyme works at its maximum rate is called.

Question # 7

The protine part of enzyme is called.

Question # 8

Which of the following can affect enzyme activity

Question # 9

the enzymes papain is present in 

Question # 10

The loss of gloular shape of enzyme is called.

Question # 11

Substrate molecule fits into binding site by wek chemical forces such as.

Question # 12

Which of the following is correct about enzymes.

Question # 13

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

Question # 14

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

Question # 15

Which of the follow is a potent inhibitor of prostaglandin

Question # 16

Which of the following is NOTa hyrolase

Question # 17

A slight increase or decreasein pH of an enzyme causes.

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5th Chapter

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 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
2 Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
A. Synthetase
B. Decarboxylase
C. Hydroxylase
D. Reductase
3 The enzyme whcih catalyses the conversion of glucose to fructose is.
A. Pentose isomerase
B. Hexokinase
C. Hexoisomerase
D. Hexoreductase
4 Which of the following is an example of hydrolases.
A. Glycogen phosphorylase
B. Lipase
C. Pyruvte decarboxylase
D. Cytochrome oxidase
5 7.0 is the optimum pH of
A. Catalase and urease
B. Urease and source
C. Pepsin and arginase
D. Pancreatic lipase
6 All enzymes are syntheesized inside cell by 
A. Ribosomes
B. Lysosomes
C. Mitochondria
D. Vacuoles
7 Which of the follow is a potent inhibitor of prostaglandin
A. Aspirin
B. Tetracycline
C. Dispirin
D. Paracetamol
8 Which of the following is NOTa hyrolase
A. Cytochrome oxidase
B. amylase
C. Lipase
D. Peptidase
9 Catalytic site is adtivatid when 
A. enzyme inhibitor complex is formed
B. ES complex is formed
C. Subsgtrate attaches at allosteric site
D. Spontaneously
10 The enzyme of thermophilic bacterial can function at.
A. 70 oC
B. 170 oC
C. 210 oC
D. 340 oC

Test Questions

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  • Syed abuzar

    Syed abuzar

    15 Oct 2019

    Its good

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  • Shahbaz

    Shahbaz

    06 Oct 2019

    thank you so much & this site is very help full for my study

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  • mahnoor

    mahnoor

    05 Jan 2018

    Five kingdom classification was not basedupon 'nucleic acid'.

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  • talha

    talha

    13 Nov 2017

    actually the five kingdom system of margulis and schwartz was also based on genetics

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  • saman

    saman

    23 Sep 2016

    nice

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