MDCAT Biology Chapter 7 MCQ Test With Answer for (Enzymes)

The MDCAT needs thorough preparation so the candidates can score well in the entry test. In Chapter 7, the students must pay attention to all the topics. Firstly go through all the topics and then, later on, solve the MCQs so you can access your preparation level before the commencement of the entry test. The online test plays a significant role in the preparation of MDCAT.

MCQ's Test For MDCAT Biology Chapter 7 MCQ's Test

Try The MCQ's Test For MDCAT Biology Chapter 7 MCQ's Test

  • Total Questions20

  • Time Allowed20

Start Test Download PDF

MDCAT Biology Chapter 7 MCQ's Test

00:00
Question # 1

Which one of the following enzymes have slightly acidic pH as optimum pH?

Question # 2

Soyabeans have been made resistant to a common

Question # 3

The inhibitor having structural similarity with substrate is

Question # 4

Following enzymes are indicating the specificity of their action in their names, except

Question # 5

Change in temperature from 30o C to 40o C in human body will cause ____ in rate of reaction

Question # 6

Succinic acid dehydrogenase +succinic acid and high concentration of malonic acid?

Question # 7

Which of the following kind of inhibitors don’t compete for active site of enzyme

Question # 8

An activated enzyme consisting of polypeptide and cofactor is called as

Question # 9

Urine is preferably used as a vehicle for biotechnology product than:

Question # 10

At high substrate level, all the active sites of enzyme are

Question # 11

The specificity of enzymes is due to their

Question # 12

____can be checked by increasing substrate concentration

Question # 13

Phosphorylation of glucose molecule in glycolysis is carried out by

Question # 14

Prosthetic groups are

Question # 15

Potentially damaging enzymes are produced in

Question # 16

The competitive inhibitor competes with the

Question # 17

If non protein part is covalently bonded to the protein part of enzyme, it is known as

Question # 18

Many enzymes are simply dissolved in the

Question # 19

Which of the following helps in recognition of substrate

Question # 20

Optimum pH for digestive enzymes of stomach is

Submit

Prepare Complete Set Wise MDCAT Biology Chapter 7 MCQ's Test MCQs Online With Answers


Topic Test

00:00
Submit

The candidates can check the Chapter 7 MCQs from this platform. The purpose of providing the MCQs is to assist the students during the entry test preparation. The students should practice the MCQs and work on their weak areas. The biology MCQs are generally theory-based, which the candidates can solve in less time. Moreover, by solving the MCQs of past years, the students can also understand the type of questions being asked in the test.

Top Scorers Of MDCAT Biology Chapter 7 MCQ's Test MCQ`s Test

  • A
    Alishba 22 - Aug - 2025 03 Min 37 Sec 20/20
  • A
    Amina Yasmeen 28 - Aug - 2025 02 Min 48 Sec 19/20
  • U
    umme hani 08 - Jan - 2025 02 Min 29 Sec 18/20
  • S
    Saim G 09 - Aug - 2025 02 Min 47 Sec 18/20
  • F
    FIRE EYES 26 - Dec - 2024 06 Min 14 Sec 18/20
  • Z
    Zohra Shafiq Afridi 25 - Apr - 2026 17 Min 10 Sec 18/20
  • A
    Abdullah butt 01 - Jan - 2025 02 Min 51 Sec 17/20
  • A
    Abdullah Sajid 02 - Jan - 2025 02 Min 57 Sec 16/20
  • A
    Asima Qamar 12 - Dec - 2024 06 Min 01 Sec 16/20
  • F
    fiza amjad 26 - Dec - 2024 06 Min 36 Sec 16/20
  • A
    Amna Naveed 02 - Jan - 2025 06 Min 52 Sec 16/20
  • M
    Mohammad Tayyab 28 - Jun - 2026 03 Min 01 Sec 15/20
  • M
    Mohib Ali 11 - Sep - 2025 03 Min 50 Sec 15/20
  • A
    Abiha Aamir 08 - Dec - 2024 06 Min 07 Sec 15/20
  • K
    Kashaf Raza 28 - Dec - 2024 03 Min 59 Sec 14/20

MCAT Biology Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following is an example of ribozyme
A. Aminopeptidase
B. Pancreatic lipase
C. Peptidyl transferase
D. Cytochrome oxidase
2 Pick up the correct statement according to induced fit model of enzyme action
A. Enzyme induces changes in substrate structure
B. Substrate induces changes in enzyme structure
C. Active site of enzyme is a rigid structure
D. Active site of enzyme is used as a template +
3 Which of the following is not affected by enzymes
A. Nature and properties of end products
B. Nature and properties of reactants
C. Speed of biochemical reaction
D. Efficiency of biochemical reaction
4 Enzymes present in human body generally have
A. Same optimum temperature and optimum pH
B. Same optimum temperature but different optimum pH
C. Same optimum pH but different optimum temperature
D. Different optimum temperature and optimum pH
5 Slight change in pH can cause
A. Denaturation
B. Crystallization
C. Ionization
D. All
6 The specificity of enzymes is due to their
A. High molecular weight
B. pH sensitivity
C. Hydrogen bonding
D. Surface configuration
7 Function of succinic dehydrogenase is aided by
A. Metal ion
B. Vitamin
C. NAD
D. FAD
8 Both ____ and ____ are detachable cofactors
A. Apoenzyme, holoenzyme
B. Activator, coenzyme
C. Coenzyme, prosthetic group
D. Prosthetic group, activator
9 Succinic acid is the ____ of succinic dehydrogenase which undergoes____
A. Active site, reduction
B. Prosthetic group, reduction
C. Substrate, oxidation
D. Substrate, reduction
10 Enzymes cannot work in which of the following
A. Aqueous medium
B. Dry medium
C. Acidic medium
D. Alkaline medium

Test Questions

Share your comments & questions here

Guest
  • Mzi

    Mzi

    28 Dec 2018

    👏👏👏

    Like
    Reply