ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

Try The MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

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ECAT Chemistry Chapter 25 Macromolecules

00:00
Question # 1

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 2

Which behaves as insulator for animals body?

Question # 3

Cotton has cellulose in it:

Question # 4

Which of these polymers is an addition polymer?

Question # 5

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:

Question # 6

How is the secondary structure of protein stabilized

Question # 7

Protein are classified into

Question # 8

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 9

A polymer may be

Question # 10

Which one is a polymer compound?

Question # 11

What is the most common catalyst used in hydrogenation of oils

Question # 12

Substances that render enzymes catalytically inactive are called

Question # 13

At what pH glycine shows the structure H3N+-- CH2-- COOH

Question # 14

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 15

Monosaccharides and oligosacchradies are generally called as

Question # 16

Ricket is caused due to the deficiency of vitamin

Question # 17

Which of the following statements is incorrect about vitamins

Question # 18

Which polymerization is free radical machanism based

Question # 19

Which of the following is fully fluorinated polymer?

Question # 20

The prosthetic group in glycoprotein is

Question # 21

β-D-glucose is a monomer for

Question # 22

Which of the following elements is not present in all proteins?

Question # 23

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 24

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 25

An oil or fat with no double bond have iodine number:

Question # 26

The metal present in blood is

Question # 27

Which of these polymers is an addition polymer

Question # 28

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 29

Which one of the following elements is not present in all proteins

Question # 30

Which of the following enzymes brings about the hydrolysis of fats?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
2 A nucleoside may be
A. Ribonuleoside
B. Deoxyribonucleoside
C. Both a and b
D. None
3 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
4 Which of the following is a constituent of nylon?
A. Adipic acid
B. Styrene
C. Teflon
D. None of these
5 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
6 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
7 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
8 Two vitamins absorbed from intestine along with fats are
A. A, D
B. A, B
C. A, C
D. D, B
9 Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as
A. Biuret
B. Xanthoproteic test
C. Hopkins-cole
D. All of these
10 Which one of the following enzymes brings about the hydrolysis of fats
A. Urease
B. Maltase
C. Zymase
D. Lypase

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