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

Of the following which is a step growth polymer

Question # 2

Which property is not present in lipids?

Question # 3

Teflon, styron and neoprene are all

Question # 4

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 5

In macromolecules DP stands for

Question # 6

Polyester resins have special use in:

Question # 7

One of the followings is not type of polymer

Question # 8

The reagent which forms crystalline osazone derivative when treated with glucose is

Question # 9

Natural rubber is a polymer of

Question # 10

A polymer may be

Question # 11

Which of the following is fully fluorinated polymer?

Question # 12

The stroids of fungi and yeast and yeast are called:

Question # 13

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

Question # 14

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

Question # 15

Which of the following is a biodegradable polymer?

Question # 16

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

Question # 17

Cotton has cellulose in it:

Question # 18

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 19

Which carbohydrates is an essential constituent of plant cells?

Question # 20

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

Question # 21

Substances that render enzymes catalytically inactive are called

Question # 22

Which of these polymers is an addition polymer?

Question # 23

The protein which only yield amino acids and their derivatives

Question # 24

A polymer may be

Question # 25

Which is the polymer that has amide linkage in its structure

Question # 26

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

Question # 27

Purine derivative among the following bases is

Question # 28

Iodine value of an oil or fat may be defined as

Question # 29

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

Question # 30

Plastics are a pollution problem because many plastics

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
A. Fibre
B. Plastic
C. Varnish
D. Polyamide resin
2 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
3 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
4 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
5 The number of amino acids found in proteins that a human body can synthesize is
A. 20
B. 10
C. 5
D. 14
6 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
7 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
8 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
9 Teflon, styron and neoprene are all
A. Copolymers
B. Condensation polymers
C. Homopolymers
D. Monomers
10 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors

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