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 is a water soluble vetamin?

Question # 2

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

Question # 3

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

Question # 4

Which of the following is a biodegradable polymer?

Question # 5

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 6

Which of the following statements is incorrect about vitamins

Question # 7

Hydrolysis of sucrose is called

Question # 8

Which property is not present in lipids?

Question # 9

A fibre which is made from acrylonitrile as monomer

Question # 10

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

Question # 11

Which of the following is not a synthetic polymer?

Question # 12

The number of amino acids found in proteins that a human body can synthesize is

Question # 13

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

Question # 14

Which of the following is the repeating monomeric unit in cellulose

Question # 15

The polymers which can not be re-softened again and again are called

Question # 16

Which polymerization is free radical machanism based

Question # 17

Which of the following fibres are made of polyamides?

Question # 18

Teflon, styron and neoprene are all

Question # 19

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

Question # 20

Terylene is madeby polymerization of terephthalic acid with

Question # 21

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

Question # 22

Which is not an enzyme

Question # 23

Substances that render enzymes catalytically inactive are called

Question # 24

Ricket is caused due to the deficiency of vitamin

Question # 25

Which of the following is a constituent of nylon?

Question # 26

Ascorbic acid is a chemical name of

Question # 27

For every reaction occurring in the body three is at least one type of

Question # 28

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 29

Natural rubber is a polymer of

Question # 30

Polymer formation from monomers starts by

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
A. Fibre
B. Plastic
C. Varnish
D. Polyamide resin
2 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
3 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
4 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
5 The metal present in blood is
A. Al
B. Hg
C. Cu
D. Fe
6 Which of the following has ester linkage?
A. Nylon
B. Bakelite
C. Terylene
D. PVC
7 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
8 The protein which only yield amino acids and their derivatives
A. Simple proteins
B. Complex proteins
C. Derived protein
D. All of these
9 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
10 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification

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