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

Purine derivative among the following bases is

Question # 2

How is the secondary structure of protein stabilized

Question # 3

Monosaccharides are

Question # 4

Enzymes are

Question # 5

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

Question # 6

One of the followings is not type of polymer

Question # 7

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

Question # 8

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

Question # 9

Which is the derived lipid?

Question # 10

Which of these polymers is an addition polymer?

Question # 11

Which of the following polymers is used for weather resistant paints

Question # 12

In macromolecules DP stands for

Question # 13

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

Question # 14

Which of the following is a biodegradable polymer?

Question # 15

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 16

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

Question # 17

Orlon is a polymer of

Question # 18

Naturally occurring lipids are called

Question # 19

Ricket is caused due to the deficiency of vitamin

Question # 20

Activity of the enzyme is reduced by

Question # 21

Which is not an enzyme

Question # 22

Which carbohydrates is an essential constituent of plant cells?

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

The fiber which is made from acrylonitrile as monomer:

Question # 27

Which behaves as insulator for animals body?

Question # 28

The main structure features of proteins is

Question # 29

Polymer formation from monomers starts by

Question # 30

Teflon, styron and neoprene are all

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which has maximum protein content?
A. Ground nut
B. Cow milk
C. Egg
D. Wheat
2 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
3 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
4 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
5 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
6 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
7 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
8 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
9 Which of the following is fully fluorinated polymer?
A. Neoprene
B. Teflon
C. Thiokol
D. PVC
10 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6

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