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

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Question # 1

In which of these processes are smell organic molecules made into macromolecules?

Question # 2

A nucleoside may be

Question # 3

Protein may have

Question # 4

A fibre which is made from acrylonitrile as monomer

Question # 5

Monosaccharides belong to the group

Question # 6

Which is the derived lipid?

Question # 7

Plastics are a pollution problem because many plastics

Question # 8

The clotting time of blood is increased due to the deficiency of

Question # 9

A polymer may be

Question # 10

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

Question # 11

Which of the following statements is incorrect about vitamins

Question # 12

A polymer may be

Question # 13

Ricket is caused due to the deficiency of vitamin

Question # 14

Cellulose does:

Question # 15

(CH2O)nis general formula for

Question # 16

Which one is a polymer compound?

Question # 17

Purine derivative among the following bases is

Question # 18

Which one of the following is the most abundant organic substance found in nature

Question # 19

What is the most common catalyst used in hydrogenation of oils

Question # 20

Which functional group is present in glycerol tristearate

Question # 21

Which of these polymers is an addition polymer

Question # 22

DNA has deoxyribose, a base and the third component is

Question # 23

Activity of the enzyme is reduced by

Question # 24

Which one of the following is a water soluble vitamin

Question # 25

Of the following which is a step growth polymer

Question # 26

The product of addition polymerization reaction is

Question # 27

The polymers which can be re-softened again and again are caled

Question # 28

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

Question # 29

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

Question # 30

What is not true about DNA

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Two vitamins absorbed from intestine along with fats are
A. A, D
B. A, B
C. A, C
D. D, B
2 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
3 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glyccerides of saturated fatty acids
D. Essential oils obtained from plants
4 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
5 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
6 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
7 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
8 What is the most common catalyst used in hydrogenation of oils
A. Cobalt
B. Nickel
C. Tungsten
D. Copper
9 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
10 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm

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