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 non protein components of enzyme are called.

Question # 2

The enzymes catalyse non -lhydrolytic addition or removal of groups from substrates are.

Question # 3

Achemicla that interferes and blck an ez=nzyme's activity is called.

Question # 4

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

Question # 5

All enzymes are syntheesized inside cell by 

Question # 6

Lock and key model of enzyme mechanism was proposed by 

Question # 7

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

Question # 8

Prosthetic groups are attached with enzyme by 

Question # 9

Which of the follow is a potent inhibitor of prostaglandin

Question # 10

Enxymes speed up chemical reactions by lowering.

Question # 11

The enzyme whcih uses ATP to join molecules.

Question # 12

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

Question # 13

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

Question # 14

Pepsin works its best in.

Question # 15

The loss of gloular shape of enzyme is called.

Question # 16

At which regio of active site substrate is transforemd into preodcuts.

Question # 17

Reversibel inhibitors make...................bonds with enzymes.

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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 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
2 In complez metaboic pathways, end products formed inhibit the.
A. First enzyme
B. First substrate
C. First product
D. Last enzyme
3 The enzyms of Calvin cycle and Krebs's cycle.
A. Present in karyoplasm
B. Dispersed in cytoplasm
C. Bound to memebranes of their organelles
D. Presnet in periplasmic space
4 The enzyme whcih catalyses the conversion of glucose to fructose is.
A. Pentose isomerase
B. Hexokinase
C. Hexoisomerase
D. Hexoreductase
5 The protine part of enzyme is called.
A. Apoenzyme
B. Co enxyme
C. Prothetic group
D. Hologenzyme
6 The enxymes of glycolysis are present in 
A. Nucleoplasm
B. Cytoplasm
C. Stroma
D. Mitochondrial matrix
7 Pepain works in 
A. Acidic pH
B. Alkaline media
C. Low pH
D. All of above
8 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
9 Which of the following is correct about enzymes.
A. Enzymes increase the activation energy
B. The presene of enxymes does not affet the natur eor properties of end products
C. Enxymes are synthesized y endocrine cells
D. Enxymes are fibrous proteins
10 Mark the disaccharide
A. Cellobiose
B. Chitin
C. Mannose
D. Cellulose

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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