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

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 2

A polymer may be

Question # 3

Purines include

Question # 4

A fibre which is made from acrylonitrile as monomer

Question # 5

The other name of cross linked polymers is

Question # 6

Of the following which is a step growth polymer

Question # 7

Plastics are a pollution problem because many plastics

Question # 8

Terylene is madeby polymerization of terephthalic acid with

Question # 9

Which of the following polymers is used for weather resistant paints

Question # 10

Which of the following has ester linkage?

Question # 11

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 12

Which of the following is not present in RNA?

Question # 13

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 14

Which property is not present in lipids?

Question # 15

Which of these polymers is an addition polymer

Question # 16

Vegetable oils are

Question # 17

Which of the following statements is incorrect about vitamins

Question # 18

Orlon is a polymer of

Question # 19

Two or more similar monomers combine to form:

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Glycogen is stored in

Question # 24

Naturally occurring lipids are called

Question # 25

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

Question # 26

Natural rubber is a polymer of

Question # 27

An oil or fat with no double bond have iodine number:

Question # 28

Cotton is ______% cellulose

Question # 29

DNA has deoxyribose, a base and the third component is

Question # 30

Glyptal polymer is obtained from glycerol on reacting with

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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 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
3 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
4 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
5 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
6 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
7 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
8 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
9 Two vitamins absorbed from intestine along with fats are
A. A, D
B. A, B
C. A, C
D. D, B
10 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None

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