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 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
2 If non protein part is loosely attached to proteins it is known as.
  • A. Cofactor
  • B. Co enzyme
  • C. Active site
  • D. Holo ezyme
3 Three dimensional globular protein is.
  • A. Starch
  • B. Glucose
  • C. Enzyme
  • D. Antibiotic
4 The rate of reaction of enzyme directly depends upon
  • A. Amount of enzyme present at a specific time at unlimited substrate concentration
  • B. Nature of substrate
  • C. Maximum pH level
  • D. Low temperature
5 Enzyme lower down the energy of.
  • A. Kinetic
  • B. Potential
  • C. Activation
  • D. Ionic
6 The enzyme with optimum pH = 7.60 is
  • A. Arginase
  • B. Enterokinase
  • C. Catalase
  • D. Sucrase
7 the vitamins are essential raw material for the synthesis of.
  • A. Activators
  • B. Co factors
  • C. Co enzymes
  • D. Prosthetic group
8 The enzyme with optimum pH 5.50 is
  • A. Arginase
  • B. Sucrase
  • C. pepsin
  • D. Enter kinase
9 The optimum pH of salivary amylase is.
  • A. 2.80
  • B. 4.80
  • C. 6.80
  • D. 8.80
10 Co enzymes are closely related to.
  • A. Amino acids
  • B. Vitamins
  • C. Enzyms
  • D. Non protein particles

Top Scorers of Biology Fsc Part 1 Chapter 3 Online Test

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Saman Zahra

Lahore02 - Mar - 2025

17/17
49 Sec
S

Saman Zahra

Lahore02 - Mar - 2025

17/17
51 Sec
S

Saman Zahra

Lahore02 - Mar - 2025

17/17
53 Sec
S

Saman Zahra

Lahore02 - Mar - 2025

17/17
58 Sec
S

Saman Zahra

Lahore02 - Mar - 2025

17/17
59 Sec
S

Saman Zahra

Lahore02 - Mar - 2025

17/17
01 Mins 03 Sec
S

Saman Zahra

Lahore02 - Mar - 2025

17/17
01 Mins 07 Sec
S

Salis Mubashar

Lahore28 - Mar - 2025

17/17
01 Mins 10 Sec
M

Malik Sajid

Lahore17 - Mar - 2025

17/17
01 Mins 19 Sec
A

Abdullah Rehman

Lahore12 - Jan - 2025

17/17
01 Mins 26 Sec
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Tabinda Hayyat

Lahore05 - Jan - 2025

17/17
01 Mins 35 Sec
C

Customs Service

Lahore20 - Jan - 2025

17/17
01 Mins 57 Sec
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Sameera Sohail

Lahore03 - Feb - 2025

17/17
02 Mins 06 Sec
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Seemal Aurangzaib

Lahore08 - Mar - 2025

17/17
02 Mins 17 Sec
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Hasnat Zafar

Lahore16 - Feb - 2025

17/17
02 Mins 18 Sec

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