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 functional group is present in glycerol tristearate

Question # 2

The group linkage present in fats is

Question # 3

Which of the following is not a synthetic polymer?

Question # 4

Natural rubber is a polymer of

Question # 5

The polymers which can be re-softened again and again are caled

Question # 6

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

Question # 7

Which of the following has magnesium?

Question # 8

Which behaves as insulator for animals body?

Question # 9

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 10

Polyester resins have special use in:

Question # 11

Which is not an enzyme

Question # 12

Which of the following fibres are made of polyamides?

Question # 13

Which polymerization is free radical machanism based

Question # 14

Vegetable oils are

Question # 15

Which of these polymers is an addition polymer?

Question # 16

The substance upon which an enzyme acts is known as its

Question # 17

Which of these polymers is an addition polymer

Question # 18

Polysaccharides are also called

Question # 19

The digestion of fats in the intestines is aided by

Question # 20

An example of water soluble vitamin is

Question # 21

The proteins which are derived by conjugated proteins are called as

Question # 22

Two vitamins absorbed from intestine along with fats are

Question # 23

The monomeric units of starch is/are

Question # 24

Vegetable oils are

Question # 25

How is the secondary structure of protein stabilized

Question # 26

A polymer may be

Question # 27

Which of the following is a polyamide?

Question # 28

When a nitrogeneous base combine with a sugar it is called

Question # 29

Which of the following statements is incorrect about vitamins

Question # 30

At what pH glycine shows the structure H3N+-- CH2-- COOH

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
2 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
3 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
4 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin
5 Of the following which is a step growth polymer
A. Bakelite
B. Polyethylene
C. Teflon
D. PVC
6 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide
7 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
8 Which one of the following elements is not present in all proteins
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
9 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
10 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids

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