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

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

Question # 2

Which of the following polymers is used for weather resistant paints

Question # 3

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 4

Which of the following is the repeating monomeric unit in cellulose

Question # 5

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 6

In fructose the possible optical isomers are

Question # 7

A condensation polymer among the following is

Question # 8

The product of addition polymerization reaction is

Question # 9

Substances that render enzymes catalytically inactive are called

Question # 10

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

Question # 11

Copolymer is

Question # 12

β-D-glucose is a monomer for

Question # 13

Glycogen is stored in

Question # 14

Which is not an enzyme

Question # 15

A nucleoside may be

Question # 16

Plastics are pollution problem because many plastics:

Question # 17

Purines include

Question # 18

What is not true about DNA

Question # 19

Which of these polymers is a synthetic polymer?

Question # 20

Which of the following is a biodegradable polymer?

Question # 21

Which of these polymers is an addition polymer

Question # 22

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

Question # 23

The three dimensional folding and twisting of a polypeptide chain give rise to

Question # 24

The metal present in blood is

Question # 25

Polysaccharides are also called

Question # 26

Vitamin A is present in

Question # 27

The other name of cross linked polymers is

Question # 28

In which of these processes are smell organic molecules made into macromolecules?

Question # 29

The protein which only yield amino acids and their derivatives

Question # 30

Activity of the enzyme is reduced by

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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 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
3 Which one of the following is not an example of chain growth polymer?
A. Neoprene
B. Bunna-S
C. PMMA
D. Glyptal
4 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
5 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
6 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
7 Ricket is caused due to the deficiency of vitamin
A. A
B. D
C. B
D. E
8 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
9 Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer
A. Silk
B. Polyester
C. Polyvinyl chloride
D. Nylon
10 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer

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