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

Natural rubber is a polymer of

Question # 2

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

Question # 3

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

Question # 4

Monosaccharides and oligosacchradies are generally called as

Question # 5

Polyester resins have special use in:

Question # 6

Which is not a steroid

Question # 7

The number of amino acids found in proteins that a human body can synthesize is

Question # 8

Which of the following is a constituent of nylon?

Question # 9

Which is the polymer that has amide linkage in its structure

Question # 10

Which of these polymers is an addition polymer

Question # 11

Which of the following is a biodegradable polymer?

Question # 12

Glyptal polymer is obtained from glycerol on reacting with

Question # 13

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

Question # 14

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

Question # 15

Naturally occurring lipids are called

Question # 16

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 17

The temp. and pressure used for PVC polymerization is

Question # 18

Which of the following has ester linkage?

Question # 19

An example of water soluble vitamin is

Question # 20

Synthetic polymer prepared from caprolactum is known is

Question # 21

Which one of the following is the most abundant organic substance found in nature

Question # 22

Which one of the following is a water soluble vitamin

Question # 23

Of the following which is a step growth polymer

Question # 24

Two or more similar monomers combine to form:

Question # 25

The protein which only yield amino acids and their derivatives

Question # 26

Which of the following is a molecular diseases?

Question # 27

The metal present in blood is

Question # 28

DNA has deoxyribose, a base and the third component is

Question # 29

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

Question # 30

Iodine value of an oil or fat may be defined as

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of these polymers is a synthetic polymer
A. Animal fat
B. Starch
C. Cellulose
D. Polyester
2 Which of the following is not a synthetic polymer?
A. Polyethylene
B. PVC
C. Nylon
D. Cellophane
3 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
4 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
5 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
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 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
8 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
9 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
10 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration

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