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

Which polymerization is free radical machanism based

Question # 2

Synthetic polymer prepared from caprolactum is known is

Question # 3

Factors affecting denaturation of proteins:

Question # 4

Which of these polymers is an addition polymer

Question # 5

Vegetables oils are:

Question # 6

Which of the following brings about the conversion of starch into maltose

Question # 7

The temp. and pressure used for PVC polymerization is

Question # 8

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

Question # 9

DNA has deoxyribose, a base and the third component is

Question # 10

Which is not an enzyme

Question # 11

Hydrolysis of sucrose is called

Question # 12

Which of the following is a polyamide?

Question # 13

An example of water soluble vitamin is

Question # 14

Which of the following polymers is used for weather resistant paints

Question # 15

Which of the following is not present in nucleotide?

Question # 16

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 17

One of the followings is not type of polymer

Question # 18

Polyester resins have special use in:

Question # 19

The reaction between fat and NaOH is called

Question # 20

In fructose the possible optical isomers are

Question # 21

Teflon, styron and neoprene are all

Question # 22

The fiber which is made from acrylonitrile as monomer:

Question # 23

Enzymes are

Question # 24

Which of these polymers is a synthetic polymer?

Question # 25

A nucleoside may be

Question # 26

Glycogen is stored in

Question # 27

Iodine value of an oil or fat may be defined as

Question # 28

Activity of the enzyme is reduced by

Question # 29

The reaction between fat and NaOH is called:

Question # 30

Which of the following is not an example of addition polymer?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
2 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
3 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
4 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
5 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
6 Polymer formation from monomers starts by
A. Condensation reaction between monomers
B. Coordination reaction between monomers
C. Conversion of monomer to monomer ions by protons
D. Hydrolysis of monomers
7 Nylon, 6,6 is a condensation polymer of
A. Adipic acid and glycol
B. Phthalic acid and glycol
C. Adipic acid and hexaethylene diamine
D. Pthalic acid and hexaethylene diamine
8 RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA
A. D-Ribose
B. Wracil base
C. Prosphate group
D. Thyamine base
9 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
10 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton

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