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

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MDCAT Biology Chapter 7 MCQ's Test

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Question # 1

Ribozyme is found in

Question # 2

Flavin adenine dinucleotide is a

Question # 3

The competitive inhibitor competes with the

Question # 4

The enzyme that works best at intermediate pH is

Question # 5

Pick up the correct statement according to induced fit model of enzyme action

Question # 6

Which of the following is not affected by enzymes

Question # 7

Potentially damaging enzymes are produced in

Question # 8

Following substances can act as inhibitors, except

Question # 9

Inorganic ions can play a role of ¬¬¬¬¬¬¬______ in enzyme catalysis

Question # 10

Allosteric enzymes have ___ major sites

Question # 11

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

Question # 12

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

Question # 13

The optimum temperature for most of the enzymes in human body is

Question # 14

About three billion base pairs are present in the genome of a

Question # 15

Which of the following is Koshland model

Question # 16

The inhibitor having structural similarity with substrate is

Question # 17

Optimum pH for digestive enzymes of stomach is

Question # 18

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

Question # 19

An activated enzyme consisting of polypeptide and cofactor is called as

Question # 20

Soyabeans have been made resistant to a common

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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.

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Sr.# Question Answer
1 The specificity of enzymes is due to their
A. High molecular weight
B. pH sensitivity
C. Hydrogen bonding
D. Surface configuration
2 About three billion base pairs are present in the genome of a
A. Horse
B. Dog
C. Man
D. Monkey
3 Prosthetic groups are
A. Radicals
B. Inorganic molecules
C. Organic molecules
D. Metal ions
4 Many enzymes are simply dissolved in the
A. Nucleoplasm
B. Stroma of chloroplast
C. Cytoplasm
D. Matrix of mitochondria
5 Flavin adenine dinucleotide is a
A. Prosthetic group
B. Activator
C. Coenzyme
D. Inhibitor
6 If non protein part is covalently bonded to the protein part of enzyme, it is known as
A. Coenzyme
B. Prosthetic group
C. Activator
D. Cofactor
7 Following substances can act as inhibitors, except
A. Cyanide
B. Antimetabolites
C. Antibodies
D. Poisons
8 Which of the following helps in recognition of substrate
A. Active site
B. Catalytic site
C. Binding site
D. All
9 Function of succinic dehydrogenase is aided by
A. Metal ion
B. Vitamin
C. NAD
D. FAD
10 Catalase and chymotrypsin have similar
A. Substrate
B. Product
C. Optimum pH
D. Metabolic impact
11 Ribozyme is found in
A. Mitochondria
B. Cytoplasm
C. Lysosomes
D. Ribosomes
12 At high substrate level, all the active sites of enzyme are
A. Destroyed
B. Available
C. Degenerated
D. Occupied
13 Inorganic ions can play a role of ¬¬¬¬¬¬¬______ in enzyme catalysis
A. Coenzyme
B. Inhibitor
C. Apo enzyme
D. Cofactor
14 Which of the following kind of inhibitors don’t compete for active site of enzyme
A. Irreversible competitive
B. Reversible competitive
C. Reversible non competitive
D. Both b and c
15 Which one of the following enzymes have slightly acidic pH as optimum pH?
A. Sucrase
B. Enterokinase
C. Pepsin
D. Catalase
16 Succinic acid is the ____ of succinic dehydrogenase which undergoes____
A. Active site, reduction
B. Prosthetic group, reduction
C. Substrate, oxidation
D. Substrate, reduction
17 Succinic acid differs from malonic acid by
A. OH
B. CH2
C. CH3
D. CHO
18 The rate of enzyme action will be minimum at
A. Optimum pH
B. Optimum temperature
C. Optimum conditions
D. Maximum temperature
19 Enzymes cannot work in which of the following
A. Aqueous medium
B. Dry medium
C. Acidic medium
D. Alkaline medium
20 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

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