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

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 # 2

The loss of gloular shape of enzyme is called.

Question # 3

the energy which works to destabilize existing chemical bonds is called.

Question # 4

Which enzyme breakdown small polypeptides into dipeptides.

Question # 5

The enzyms of Calvin cycle and Krebs's cycle.

Question # 6

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

Question # 7

The kinds or types of co factor are.

Question # 8

Which of the following is correct about enzymes.

Question # 9

Pick up the irreversible inhibitor

Question # 10

Pepain works in 

Question # 11

The optimum temperature for human enzymes is.

Question # 12

Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.

Question # 13

7.0 is the optimum pH of

Question # 14

Which enzyme is responsible for the breakdown of DNA.

Question # 15

When food is oxidized in cell, enxymes draw electrons from food molecules and transfer them to.

Question # 16

Prosthetic groups are attached with enzyme by 

Question # 17

Which of the following can affect enzyme activity

Prepare Complete Set Wise Chapter 5 "Biology Fsc Part 1 Chapter 5 Online Test" MCQs Online With Answers


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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 Which enzyme breakdown small polypeptides into dipeptides.
A. Trypsin
B. Aminopeptidese
C. Erypsin
D. Pepsin
2 Substrate molecule fits into binding site by wek chemical forces such as.
A. Covalent bond
B. Metalic Bond
C. Ionic Bond
D. Hydrogen bond
3 Which of the following statemetns about enzymes is correct. 
A. They increasse the activation energy of a reaction 
B. They are consumed during the reaction 
C. They are specific in terms of the reactions they catalyse
D. They always wor optimally at high temperatures.
4 Penicilllin permanetly disables the enzymes responsible for building bacterial cell walls becasue it acts as.
A. Irreversible inhibitor
B. Competitive inhibitor
C. Non competitive inhibitor
D. reversible inhibitor
5 Which of the following is an example of hydrolases.
A. Glycogen phosphorylase
B. Lipase
C. Pyruvte decarboxylase
D. Cytochrome oxidase
6 Pick the enzyme which is not related to others.
A. Epimerase
B. Oxidase
C. Dehydrogenase
D. Reductase
7 Lock and key model of enzyme mechanism was proposed by 
A. Emil Fisher
B. Norman Haworth
C. Daniel Koshland
D. F-Sanger
8 The optimum temperature for human enzymes is.
A. 37.0 oC
B. 37.8 oC
C. 36.1 oC
D. 36.5 oC
9 If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that.
A. Substrate concentration wasincreased
B. Substrate concentration was the same
C. Less amount of enzymes is active
D. Enzymes have no effect
10 The loss of gloular shape of enzyme is called.
A. Saturation 
B. Renaturation 
C. Denaturation 
D. Flexion

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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