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

Substances that render enzymes catalytically inactive are called

Question # 2

The protein which only yield amino acids and their derivatives

Question # 3

In macromolecules DP stands for

Question # 4

Activity of the enzyme is reduced by

Question # 5

Which one of the following is not an example of chain growth polymer?

Question # 6

DNA has deoxyribose, a base and the third component is

Question # 7

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

Question # 8

The reaction between fat and NaOH is called

Question # 9

Plastics are a pollution problem because many plastics

Question # 10

The metal present in blood is

Question # 11

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

Question # 12

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

Question # 13

Which one of the following statements of glucose and sucrose is incorrect?

Question # 14

Which of the following is not present in RNA?

Question # 15

Monosaccharides belong to the group

Question # 16

β-D-glucose is a monomer for

Question # 17

Which of the following is the repeating monomeric unit in cellulose

Question # 18

Which one of the following is a water soluble vitamin

Question # 19

Which of the following is not present in nucleotide?

Question # 20

Which of the following is a molecular diseases?

Question # 21

Vegetable oils are

Question # 22

Monosaccharides and oligosacchradies are generally called as

Question # 23

The group linkage present in fats is

Question # 24

The reaction between fat and NaOH is called:

Question # 25

Natural rubber is a polymer of

Question # 26

Oxidation reduction is done by

Question # 27

Which is not an enzyme

Question # 28

Molar mass of high molecular w.f. polymers ranges from:

Question # 29

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 30

Which of the following fibres are made of polyamides?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following fibres are made of polyamides?
A. Dacron
B. Orlon
C. Nylon
D. Rayon
2 Soft drinks and baby feeding bottles are generally made up of
A. Polyester
B. Polyurethane
C. Polyurea
D. Polystyrene
3 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
4 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
5 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
6 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
7 (CH2O)nis general formula for
A. Monosaccharides
B. Oiligosaccharides
C. Polysaccharides
D. None of these
8 The fiber which is made from acrylonitrile as monomer:
A. PVC
B. Rayon Fiber
C. Acrylic fiber
D. Polyester fiber
9 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
10 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

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