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

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

Question # 2

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

Question # 3

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

Question # 4

In macromolecules DP stands for

Question # 5

Glycine at pH7 has the structure

Question # 6

The prosthetic group in glycoprotein is

Question # 7

DNA has deoxyribose, a base and the third component is

Question # 8

Bakelite is a product formed form

Question # 9

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

Question # 10

Which is the polymer that has amide linkage in its structure

Question # 11

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

Question # 12

Which is the derived lipid?

Question # 13

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

Question # 14

Which has maximum protein content?

Question # 15

Vegetables oils are:

Question # 16

(CH2O)nis general formula for

Question # 17

Which polymerization is free radical machanism based

Question # 18

The reaction between fat and NaOH is called

Question # 19

The protein which only yield amino acids and their derivatives

Question # 20

How is the secondary structure of protein stabilized

Question # 21

Polysaccharides are also called

Question # 22

Major food factors are:

Question # 23

Bakelite is obtained from phenol by reacting with

Question # 24

Which of the following has magnesium?

Question # 25

The group linkage present in fats is

Question # 26

Plastics are a pollution problem because many plastics

Question # 27

The proteins which are derived by conjugated proteins are called as

Question # 28

Plastics are a pollution problem because many plastics

Question # 29

Which is not an enzyme

Question # 30

Terylene is madeby polymerization of terephthalic acid with

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
2 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
3 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
4 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
5 Monosaccharides are
A. Aldoses
B. Ketoses
C. Either a and b
D. None of these
6 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
7 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
8 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
9 Which of the following is the repeating monomeric unit in cellulose
A. Sucrose
B. Maltose
C. Cellobiose
D. Glucose
10 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products

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