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 one of the following elements is not present in all proteins

Question # 2

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

Question # 3

The polymers which can not be re-softened again and again are called

Question # 4

DNA has deoxyribose, a base and the third component is

Question # 5

Vegetable oils are

Question # 6

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 7

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

Question # 8

Bakelite is obtained from phenol by reacting with

Question # 9

How is the secondary structure of protein stabilized

Question # 10

Which one of the following is a water soluble vitamin

Question # 11

Which of these polymers is a synthetic polymer?

Question # 12

Enzymes, in the living systems

Question # 13

The prosthetic group in glycoprotein is

Question # 14

Two or more similar monomers combine to form:

Question # 15

The metal present in blood is

Question # 16

Activity of the enzyme is reduced by

Question # 17

Which one of the following is a water soluble vitamin

Question # 18

Terylene is madeby polymerization of terephthalic acid with

Question # 19

Monosaccharides are

Question # 20

Cotton is ______% cellulose

Question # 21

The substance upon which an enzyme acts is known as its

Question # 22

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

Question # 23

Which teat is not given by both glucose and fructose

Question # 24

Synthetic polymer prepared from caprolactum is known is

Question # 25

Which of the following is a biodegradable polymer?

Question # 26

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 27

Vitamin A is present in

Question # 28

Which of the following is the repeating monomeric unit in cellulose

Question # 29

The reaction between fat and NaOH is called

Question # 30

Polymer formation from monomers starts by

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Protein may have
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these
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 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
4 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
5 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
6 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
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 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
9 The proteins which are derived by conjugated proteins are called as
A. Simple protein
B. Complex protein
C. Derived protein
D. None
10 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer

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