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3rd Chapter

11th Class Biology Chapter 3 Test

First Year Biology Chapter 3 Online MCQ Test for 1st Year Biology Chapter 3 Enzymes Preparation


This online test contains MCQs about following topics:

Basic Concepts - Mechanism of Enzyme Action - Factors Affecting the Rate of Enzymatic - Inhibitors

MCQs Tests of 11th Biology:

The students can repeatedly attempt these online MCQs tests online. Now, the students don’t need to join the tests session of academy as ilmkidunya is providing you the best online tests session free of cost. The students can score maximum marks in biology exam by practice. The wrong answers are highlighted as the correct answers of all MCQs are also given. The students can download 11th class biology chapter 3 MCQs in pdf. The students can attempt these online MCQs tests from any device including laptop, computer or mobile. A plenty of MCQs are given to the students for online practice. You can also check 11th class biology chapter 3 MCQs and can attempt on ilmkidunya website.

First Year Biology Chapter 3 Online MCQ Test for 1st Year Biology Chapter 3 Enzymes Preparation

Sr. # Questions Answers Choice
1 If protein part of co factor is covalently bond to enzyme, it is called is.
  • A. Co- Enzyme
  • B. Prosthetic group
  • C. Activator
  • D. apoezyme
2 Lock and key model was proposed by
  • A. Koshland
  • B. Emil Fisher
  • C. Watson
  • D. Flemming
3 A little change in phmay leadsto.
  • A. Effects enzyme only in high concentration
  • B. Retarder even block enzyme activity
  • C. Ionization of substrate
  • D. Ionization of active sites of enzyme
4 If non protein part is loosely attached to proteins it is known as.
  • A. Cofactor
  • B. Co enzyme
  • C. Active site
  • D. Holo ezyme
5 Poisons, like cyanide are examples of.
  • A. Enzymes
  • B. Co enzymes
  • C. Inhibitors
  • D. Co factors
6 Enzyme that are integral part of ribosomes are involved in the synthsis of
  • A. Lipids
  • B. Carbohydrates
  • C. Proteins
  • D. None of these
7 The detachable co factor of an enzyme is known as
  • A. Co enzyme
  • B. Ap enzyme
  • C. Activator
  • D. Prosthetic group
8 The optimum pH of catalase is
  • A. 6.60
  • B. 7.60
  • C. 8.60
  • D. 9.60
9 The competitive inhibitor of succinic acid is.
  • A. Fumaric acid
  • B. Malonic acid
  • C. Acetic acid
  • D. Citric acid
10 The detachable cofactors of an enzyme is known as.
  • A. Prosthetic group
  • B. Apo enzyme
  • C. <div>Activator</div>
  • D. Co enzyme

Top Scorers of Biology Fsc Part 1 Chapter 3 Online Test

K

Khadim Hussain

Lahore22 - Sep - 2023

17/17
25 Sec
H

Hasan ??? ???????

Lahore12 - Nov - 2023

17/17
41 Sec
E

Eshal W

Lahore29 - Sep - 2023

17/17
55 Sec
S

Shehzadi Rajput

Lahore23 - Sep - 2023

17/17
01 Mins 12 Sec
K

Komal Fiaz

Lahore28 - Oct - 2023

17/17
01 Mins 12 Sec
K

Komal Fiaz

Lahore28 - Oct - 2023

17/17
01 Mins 27 Sec
K

Komal Fiaz

Lahore28 - Oct - 2023

17/17
01 Mins 28 Sec
M

Mujahid Dar

Lahore30 - Sep - 2023

17/17
01 Mins 37 Sec
C

Ch Afifa

Lahore18 - Sep - 2023

17/17
01 Mins 42 Sec
K

Komal Fiaz

Lahore28 - Oct - 2023

17/17
01 Mins 42 Sec
A

Aesthetic Unnie

Lahore03 - Oct - 2023

17/17
01 Mins 44 Sec
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Ayesha Fatima

Lahore01 - Oct - 2023

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Zubair Zia

Lahore02 - Dec - 2023

17/17
01 Mins 53 Sec
A

Arshad Gps Arshad Gps

Lahore29 - Oct - 2023

17/17
01 Mins 55 Sec
A

Ayesha Fatima

Lahore01 - Oct - 2023

17/17
01 Mins 55 Sec

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  • Annie Aleem

    21 Jul 2023

    Nice app

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  • Muhammad Abbas

    05 Mar 2023

    Today I got 15 marks

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  • Muhammad Abbas

    03 Mar 2023

    I

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  • Moheed Hayat

    16 Jan 2023

    hello friend

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    13 Jan 2023

    ho

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    16 Dec 2022

    hello friend

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    Domki Baloch

    11 Nov 2022

    Good

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    Guest User

    24 Mar 2020

    Good

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    Guest User

    10 Nov 2019

    good

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  • A

    Abdul Muqeet Pirzada

    20 Jan 2019

    This is very helpful

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