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 papain is present in 

Question # 2

The protine part of enzyme is called.

Question # 3

Which of the follow is a potent inhibitor of prostaglandin

Question # 4

What reoles does nicotinamide adenine dinucleotide playin oxidateive pathways.

Question # 5

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

Question # 6

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

Question # 7

In complez metaboic pathways, end products formed inhibit the.

Question # 8

When the temperature of body falls below 37.0 oC the bonds that determine enzymes shape becomes.

Question # 9

Activation energy is lowered by 

Question # 10

The loss of gloular shape of enzyme is called.

Question # 11

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

Question # 12

Which enzyme is responsible for the breakdown of DNA.

Question # 13

The enzyms of Calvin cycle and Krebs's cycle.

Question # 14

Pepain works in 

Question # 15

The enzyme whcih uses ATP to join molecules.

Question # 16

Which of the following is correct about enzymes.

Question # 17

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

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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 of the followign is structurally similar with succinic acid
A. Malonic acid
B. Acetic acid
C. Mavlonic acid
D. Malic acid
2 The pH at whcih an enzyme works at maximum rate is called.
A. Maximum pH
B. Optimum pH
C. Average pH
D. Top pH
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 The protine part of enzyme is called.
A. Apoenzyme
B. Co enxyme
C. Prothetic group
D. Hologenzyme
5 A none competitive inhibitor binds to.
A. The active site
B. The site other than active site
C. The substrate
D. Catalytic site
6 The enxymes of glycolysis are present in 
A. Nucleoplasm
B. Cytoplasm
C. Stroma
D. Mitochondrial matrix
7 Co enzyms participate in enzyme catalyzed reactions, ofter by transporting .
A. Electrons
B. Hydrogen atoms
C. Phosphate groups
D. Both a and b
8 Enzmes are .................globular proteins.
A. 2 D
B. 3 D
C. 4 D
D. Both a and c
9 Which enxyme class is responsible for catalysing the addition of water to a substrate molecule.
A. Isomerase
B. Lyase
C. Hydrolase
D. Ligase
10 At which regio of active site substrate is transforemd into preodcuts.
A. Binding site
B. Catalytic site
C. Peptidyle site
D. Aminoscyl site

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