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 constituent of nylon?

Question # 2

On hydrolysis of starch, we finally get

Question # 3

Which carbohydrates is an essential constituent of plant cells?

Question # 4

When a nitrogeneous base combine with a sugar it is called

Question # 5

Iodine value of an oil or fat may be defined as

Question # 6

Nylon, 6,6 is a condensation polymer of

Question # 7

The reaction between fat and NaOH is called

Question # 8

Among the following polymers, the strongest molecular forces are present in

Question # 9

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

Question # 10

The monomeric units of starch is/are

Question # 11

Sterols, vitamin D and terpenese belong to

Question # 12

A fibre which is made from acrylonitrile as monomer

Question # 13

The main structure features of proteins is

Question # 14

Which of these polymers is an addition polymer

Question # 15

Which one is a polymer compound?

Question # 16

The digestion of fats in the intestines is aided by

Question # 17

Orlon is a polymer of

Question # 18

Vitamin A is present in

Question # 19

Bakelite is obtained from phenol by reacting with

Question # 20

Which functional group is present in glycerol tristearate

Question # 21

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

Question # 22

Plastics are a pollution problem because many plastics

Question # 23

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 24

Which of these polymers is an addition polymer?

Question # 25

The other name of cross linked polymers is

Question # 26

Which property is not present in lipids?

Question # 27

In macromolecules DP stands for

Question # 28

Which of the following is obtained by condensation polymerization?

Question # 29

The development of disagreeable odur in fats or oil is called

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
2 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
3 (CH2O)nis general formula for
A. Monosaccharides
B. Oiligosaccharides
C. Polysaccharides
D. None of these
4 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
5 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
6 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin
7 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
8 Which of these polymers is a synthetic polymer?
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
9 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
10 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum

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