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

How is the secondary structure of protein stabilized

Question # 2

A fibre which is made from acrylonitrile as monomer

Question # 3

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

Question # 4

Which one of the following is a water soluble vitamin

Question # 5

Which of the following is not an example of addition polymer?

Question # 6

Which of these polymers is an addition polymer?

Question # 7

A polymer may be

Question # 8

Which of the following statements is incorrect about vitamins

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Which one of the following is not an example of chain growth polymer?

Question # 13

The digestion of fats in the intestines is aided by

Question # 14

Vegetable oils are

Question # 15

Enzymes are

Question # 16

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

Question # 17

Which has maximum protein content?

Question # 18

The monomeric units of starch is/are

Question # 19

Polysaccharides are also called

Question # 20

Bakelite is obtained from phenol by reacting with

Question # 21

Which of the following is not present in RNA?

Question # 22

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

Question # 23

Natural rubber is a polymer of

Question # 24

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

Question # 25

Cotton has cellulose in it:

Question # 26

Teflon, styron and neoprene are all

Question # 27

C6H12O6 is molecualr formula of:

Question # 28

Which polymerization is free radical machanism based

Question # 29

Which of the following has ester linkage?

Question # 30

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
2 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
3 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
4 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
5 Which of the following is the repeating monomeric unit in cellulose
A. Sucrose
B. Maltose
C. Cellobiose
D. Glucose
6 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
7 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
8 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
9 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
10 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None

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