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

Oxidation reduction is done by

Question # 2

DNA has deoxyribose, a base and the third component is

Question # 3

Which one of the following statements of glucose and sucrose is incorrect?

Question # 4

Teflon, styron and neoprene are all

Question # 5

Which one of the following is not an example of chain growth polymer?

Question # 6

(CH2O)nis general formula for

Question # 7

Which of these polymers is an addition polymer

Question # 8

Plastics are a pollution problem because many plastics

Question # 9

The simplest separating unit of a polymer is called:

Question # 10

The protein which only yield amino acids and their derivatives

Question # 11

Which of the following is not a synthetic polymer?

Question # 12

The monomeric units of starch is/are

Question # 13

The prosthetic group in glycoprotein is

Question # 14

Polyester resins have special use in:

Question # 15

Which of the following polymers is used for weather resistant paints

Question # 16

Plastics are pollution problem because many plastics:

Question # 17

Cotton is ______% cellulose

Question # 18

What is not true about DNA

Question # 19

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 20

Which is a protein?

Question # 21

Which one of the following is a water soluble vitamin

Question # 22

Vegetable oils are

Question # 23

In fructose the possible optical isomers are

Question # 24

What is the most common catalyst used in hydrogenation of oils

Question # 25

Copolymer is

Question # 26

Iodine value of an oil or fat may be defined as

Question # 27

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

Question # 28

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

Question # 29

Which of the following has ester linkage?

Question # 30

Which functional group is present in glycerol tristearate

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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 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
3 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
4 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
5 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
6 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
7 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
8 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
9 What is the most common catalyst used in hydrogenation of oils
A. Cobalt
B. Nickel
C. Tungsten
D. Copper
10 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary

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