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 which remvoe or ad H+ ions or electrons from substrateare called.

Question # 2

Mark the disaccharide

Question # 3

If an enzyme solutionis saturated with substrate, the most effective way to obtain an even faster yield of products would be.

Question # 4

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

Question # 5

Prosthetic groups are attached with enzyme by 

Question # 6

Pepain works in 

Question # 7

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

Question # 8

A none competitive inhibitor binds to.

Question # 9

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

Question # 10

The optimum temperature for human enzymes is.

Question # 11

Which of the following represent induced fit model

Question # 12

If enzyme concentratio goes on increasing, and rate of reaction stays constrant ad does not increase further means that.

Question # 13

The complete enzyme ncluding its coensyme or prosthtiec grop is termed as

Question # 14

Which of the following is correct about enzymes.

Question # 15

Which of the following statemetns about enzymes is correct. 

Question # 16

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

Question # 17

A slight increase or decreasein pH of an enzyme causes.

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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 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
2 In complez metaboic pathways, end products formed inhibit the.
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
3 The enzyme of thermophilic bacterial can function at.
A. 70 oC
B. 170 oC
C. 210 oC
D. 340 oC
4 Catalytic site is adtivatid when 
A. enzyme inhibitor complex is formed
B. ES complex is formed
C. Subsgtrate attaches at allosteric site
D. Spontaneously
5 Small cleft or depression is the sourface of globular enzyme is.
A. Active site
B. Synaptic cleft
C. T tubule
D. No such cleft exists
6 How does a non competitive inhibitor decrease the rae ofn enzyme catalysed reaction.
A. By chaing the free energy change of the reaction 
B. By acting as a coenzyme for the reaction 
C. By changing the shape of the enxyme
D. By binding the active site of the enxyme
7 the mechanism of enzyme inhibition, usedto understand the factors that influence enzyme activity is called.
A. Enzyme kinetics
B. Enzyme dynamics
C. Enzyme pathwology
D. Enzyme energetics
8 Which of the followign is structurally similar with succinic acid
A. Malonic acid
B. Acetic acid
C. Mavlonic acid
D. Malic acid
9 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
10 The kinds or types of co factor are.
A. One
B. Two
C. Three
D. Four

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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