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

Which of the following fibres are made of polyamides?

Question # 2

The temp. and pressure used for PVC polymerization is

Question # 3

Which polymerization is free radical machanism based

Question # 4

One of the followings is not type of polymer

Question # 5

β-D-glucose is a monomer for

Question # 6

Of the following which is a step growth polymer

Question # 7

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

Question # 8

Which property is not present in lipids?

Question # 9

Peptide bond is a key feature in

Question # 10

Naturally occurring lipids are called

Question # 11

A fibre which is made from acrylonitrile as monomer

Question # 12

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

Question # 13

Cotton has cellulose in it:

Question # 14

Plastics are a pollution problem because many plastics

Question # 15

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

Question # 16

Which one is a polymer compound?

Question # 17

On hydrolysis of starch, we finally get

Question # 18

Vegetables oils are:

Question # 19

Glyptal polymer is obtained from glycerol on reacting with

Question # 20

Which of the following brings about the conversion of starch into maltose

Question # 21

Cellulose does:

Question # 22

The substance upon which an enzyme acts is known as its

Question # 23

Vegetable oils are

Question # 24

Terylene is madeby polymerization of terephthalic acid with

Question # 25

Iodine value of an oil or fat may be defined as

Question # 26

Purine derivative among the following bases is

Question # 27

Which of the following statements is incorrect about vitamins

Question # 28

What is the most common catalyst used in hydrogenation of oils

Question # 29

Polymer formation from monomers starts by

Question # 30

Substances that render enzymes catalytically inactive are called

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
2 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
3 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
4 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
5 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
6 Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer
A. Silk
B. Polyester
C. Polyvinyl chloride
D. Nylon
7 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
8 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC
9 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
10 Which of the following is a steroid
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

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