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

00:00
Question # 1

Cotton is ______% cellulose

Question # 2

Which property is not present in lipids?

Question # 3

What is the most common catalyst used in hydrogenation of oils

Question # 4

Synthetic polymer prepared from caprolactum is known is

Question # 5

Which one of the following is a water soluble vitamin

Question # 6

Factors affecting denaturation of proteins:

Question # 7

Which of the following elements is not present in all proteins?

Question # 8

The fiber which is made from acrylonitrile as monomer:

Question # 9

Which of the following fibres are made of polyamides?

Question # 10

Nylon, 6,6 is a condensation polymer of

Question # 11

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

Question # 12

The fibre which is made form acrylonitrile as monomer

Question # 13

At what pH glycine shows the structure H3N+-- CH2-- COOH

Question # 14

When a nitrogeneous base combine with a sugar it is called

Question # 15

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

Question # 16

Vegetable oils are

Question # 17

The disaccharide present in milk is

Question # 18

Orlon is a polymer of

Question # 19

Copolymer is

Question # 20

Purine derivative among the following bases is

Question # 21

Which of these polymers is an addition polymer

Question # 22

Which is not an enzyme

Question # 23

In macromolecules DP stands for

Question # 24

Which of the following is a water soluble vetamin?

Question # 25

Plastics are a pollution problem because many plastics

Question # 26

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

Question # 27

Which of the following is the repeating monomeric unit in cellulose

Question # 28

Which one is a polymer compound?

Question # 29

Vegetable oils are

Question # 30

Oxidation reduction is done by

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
2 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification
3 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
4 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
5 Monosaccharides are
A. Aldoses
B. Ketoses
C. Either a and b
D. None of these
6 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
7 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
8 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
9 Oxidation reduction is done by
A. Oxidoreductase
B. Lipases
C. Lyase
D. None of these
10 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

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