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

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

Question # 2

Orlon is a polymer of

Question # 3

An example of water soluble vitamin is

Question # 4

The monomeric units of starch is/are

Question # 5

Substances that render enzymes catalytically inactive are called

Question # 6

Activity of the enzyme is reduced by

Question # 7

Vitamin A is present in

Question # 8

A polymer may be

Question # 9

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

Question # 10

Natural rubber is a polymer of

Question # 11

A polymer may be

Question # 12

Monosaccharides belong to the group

Question # 13

The metal present in blood is

Question # 14

How is the secondary structure of protein stabilized

Question # 15

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 16

A fibre which is made from acrylonitrile as monomer

Question # 17

The simplest separating unit of a polymer is called:

Question # 18

Which has maximum protein content?

Question # 19

Which of the following is obtained by condensation polymerization?

Question # 20

Plastics are a pollution problem because many plastics

Question # 21

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 22

Oxidation reduction is done by

Question # 23

Cotton has cellulose in it:

Question # 24

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

Question # 25

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

Question # 26

Which of the following is fully fluorinated polymer?

Question # 27

The digestion of fats in the intestines is aided by

Question # 28

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

Question # 29

Vegetables oils are:

Question # 30

Which property is not present in lipids?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
2 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
3 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
4 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
5 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
6 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
7 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
8 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
9 Which of these polymers is a synthetic polymer?
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
10 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal

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