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

The disaccharide present in milk is

Question # 2

Which is a protein?

Question # 3

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 4

Plastics are a pollution problem because many plastics

Question # 5

Which teat is not given by both glucose and fructose

Question # 6

Plastics are pollution problem because many plastics:

Question # 7

An oil or fat with no double bond have iodine number:

Question # 8

Which one is a polymer compound?

Question # 9

In macromolecules DP stands for

Question # 10

Which of the following is not a synthetic polymer?

Question # 11

The temp. and pressure used for PVC polymerization is

Question # 12

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

Question # 13

Vegetable oils are

Question # 14

Soft drinks and baby feeding bottles are generally made up of

Question # 15

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

Question # 16

A polymer may be

Question # 17

The temp. and pressure used for PVC polymerization is

Question # 18

Of the following which is a step growth polymer

Question # 19

C6H12O6 is molecualr formula of:

Question # 20

Factors affecting denaturation of proteins:

Question # 21

The prosthetic group in glycoprotein is

Question # 22

Iodine value of an oil or fat may be defined as

Question # 23

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

Question # 24

A fibre which is made from acrylonitrile as monomer

Question # 25

Enzymes, in the living systems

Question # 26

Which functional group is present in glycerol tristearate

Question # 27

Substances that render enzymes catalytically inactive are called

Question # 28

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

Question # 29

Which of the following is obtained by condensation polymerization?

Question # 30

Which behaves as insulator for animals body?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
2 The polymers which can be re-softened again and again are caled
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
3 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
4 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
5 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
6 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
7 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
8 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
9 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
10 Iodine value of an oil or fat may be defined as
A. The number of grams of iodine taken up by 1 g of the oil or fat
B. The number of grams of iodine taken by 10 g of the oil or fat
C. The number of grams of iodine taken by 100 g of the oil or fat
D. None of the above

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