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

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

Question # 2

Which of the following statemetns about enzymes is correct. 

Question # 3

Which enzyme breakdown small polypeptides into dipeptides.

Question # 4

Which of the following represent induced fit model

Question # 5

The enzyme whcih uses ATP to join molecules.

Question # 6

The most important coenzyme in a cell is the hydrogen acceptor.

Question # 7

The loss of gloular shape of enzyme is called.

Question # 8

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

Question # 9

The protine part of enzyme is called.

Question # 10

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

Question # 11

Pick up the irreversible inhibitor

Question # 12

Which of the follow is a potent inhibitor of prostaglandin

Question # 13

The enzyms of Calvin cycle and Krebs's cycle.

Question # 14

The enxymes of glycolysis are present in 

Question # 15

Which of thefollowing can be affected by temperatur ein an enzyme

Question # 16

Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.

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 The protine part of enzyme is called.
A. Apoenzyme
B. Co enxyme
C. Prothetic group
D. Hologenzyme
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 Succinic acid and CoA react to form succinyl CoA whcih is catalysed y succinyl CoA.
A. Synthetase
B. Decarboxylase
C. Hydroxylase
D. Reductase
4 At unlimited substrate concentration at a specific time, rate of reaction directly depends on.
A. Enzyme concentration 
B. substrate concentration 
C. Temperature
D. pH
5 Pepain works in 
A. Acidic pH
B. Alkaline media
C. Low pH
D. All of above
6 Lock and key model of enzyme mechanism was proposed by 
A. Emil Fisher
B. Norman Haworth
C. Daniel Koshland
D. F-Sanger
7 The kinds or types of co factor are.
A. One
B. Two
C. Three
D. Four
8 the non protein components of enzyme are called.
A. Co factor
B. Transductor
C. Messenger
D. Both a and b
9 Enzmes are .................globular proteins.
A. 2 D
B. 3 D
C. 4 D
D. Both a and c
10 The complete enzyme ncluding its coensyme or prosthtiec grop is termed as
A. Apoenzyme
B. Ribozyme
C. Holoenzyme
D. Proenzyme

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