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 of these polymers is a synthetic polymer

Question # 2

Terylene is madeby polymerization of terephthalic acid with

Question # 3

Plastics are a pollution problem because many plastics

Question # 4

Monosaccharides and oligosacchradies are generally called as

Question # 5

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

Question # 6

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 7

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

Question # 8

The digestion of fats in the intestines is aided by

Question # 9

Bakelite is a product formed form

Question # 10

Copolymer is

Question # 11

Which of the following is a constituent of nylon?

Question # 12

When a nitrogeneous base combine with a sugar it is called

Question # 13

Protein may have

Question # 14

Which one of the following is a water soluble vitamin

Question # 15

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

Question # 16

Which of the following is a water soluble vetamin?

Question # 17

The temp. and pressure used for PVC polymerization is

Question # 18

Ascorbic acid is a chemical name of

Question # 19

Which is not a steroid

Question # 20

The monomeric units of starch is/are

Question # 21

Among the following polymers, the strongest molecular forces are present in

Question # 22

Vitamin A is present in

Question # 23

The proteins which are derived by conjugated proteins are called as

Question # 24

Which of the following is the repeating monomeric unit in cellulose

Question # 25

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

Question # 26

The disaccharide present in milk is

Question # 27

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 28

Which of the following polymers is used for weather resistant paints

Question # 29

Which of the following is not an example of addition polymer?

Question # 30

Nylon, 6,6 is a condensation polymer of

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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 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
3 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
4 β-D-glucose is a monomer for
A. Strach
B. Cellulose
C. Glycogen
D. Protein
5 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
6 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
7 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
8 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids
9 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
10 Iodine value of an oil or fat may be defined as
A. The number of grams of iodine taken up by 1 g of the oil or fat
B. The number of grams of iodine taken by 10 g of the oil or fat
C. The number of grams of iodine taken by 100 g of the oil or fat
D. None of the above

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