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

Which of the following is not affected by enzymes

Question # 2

An activated enzyme consisting of polypeptide and cofactor is called as

Question # 3

Which of the following is an example of ribozyme

Question # 4

Prosthetic groups are

Question # 5

Allosteric enzymes have ___ major sites

Question # 6

Enzymes cannot work in which of the following

Question # 7

Formation of ES complex activates the______ site of an enzyme

Question # 8

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

Question # 9

Potentially damaging enzymes are produced in

Question # 10

Slight change in pH can cause

Question # 11

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

Question # 12

______form the raw material for coenzyme

Question # 13

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

Question # 14

If substrate concentration is unlimited, rate of enzyme action becomes

Question # 15

Phosphorylation of glucose molecule in glycolysis is carried out by

Question # 16

Succinic acid differs from malonic acid by

Question # 17

Following substances can act as inhibitors, except

Question # 18

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

Question # 19

Enzyme works to its maximum capacity

Question # 20

Function of succinic dehydrogenase is aided by

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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 Which of the following is an example of ribozyme
A. Aminopeptidase
B. Pancreatic lipase
C. Peptidyl transferase
D. Cytochrome oxidase
2 Formation of ES complex activates the______ site of an enzyme
A. Active
B. Binding
C. Catalytic
D. Allosteric
3
Optimum pH for digestive enzymes of stomach is
A. Highly acidic
B. Highly alkaline
C. slightly acidic
D. slightly alkaline
4 Enzyme works to its maximum capacity
A. At high temperature
B. At low temperature
C. At moderate temperature
D. At optimum temperature
5 Prosthetic groups are
A. Radicals
B. Inorganic molecules
C. Organic molecules
D. Metal ions
6 Flavin adenine dinucleotide is a
A. Prosthetic group
B. Activator
C. Coenzyme
D. Inhibitor
7 Ribozyme is found in
A. Mitochondria
B. Cytoplasm
C. Lysosomes
D. Ribosomes
8 Optimum pH of all human enzymes is
A. Variable
B. Same
C. Acidic
D. Alkaline
9 Function of succinic dehydrogenase is aided by
A. Metal ion
B. Vitamin
C. NAD
D. FAD
10 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
11 About three billion base pairs are present in the genome of a
A. Horse
B. Dog
C. Man
D. Monkey
12 By adding _______in neutral pH, we get the optimum pH of pancreatic lipase
A. 1
B. 2
C. 3
D. 4
13 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
14 Change in temperature from 30o C to 40o C in human body will cause ____ in rate of reaction
A. Increase
B. Decrease
C. First increase then decrease
D. First increase then constant
15 Potentially damaging enzymes are produced in
A. Active form
B. Inactive form
C. Abundant quantity
D. Minor quantity
16 Succinic acid dehydrogenase +succinic acid and high concentration of malonic acid?
A. Maleic acid
B. Fumaric acid
C. No reaction
D. Oxalic acid
17 ______form the raw material for coenzyme
A. Nucleic acid
B. Lipids
C. Vitamins
D. Proteins
18 Slight change in pH can cause
A. Denaturation
B. Crystallization
C. Ionization
D. All
19
Phosphorylation of glucose molecule in glycolysis is carried out by
A. ATPase
B. Kinase
C. Isomerase
D. Transferase
20 The inhibitor having structural similarity with substrate is
A. Irreversible inhibitor
B. Reversible inhibitor
C. Competitive inhibitor
D. Noncompetitive inhibitor

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