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

The prosthetic group in glycoprotein is

Question # 2

Which of the following is a water soluble vetamin?

Question # 3

Which polymerization is free radical machanism based

Question # 4

Which of the following statements is incorrect about vitamins

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The temp. and pressure used for PVC polymerization is

Question # 9

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

Question # 10

The disaccharide present in milk is

Question # 11

Teflon, styron and neoprene are all

Question # 12

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

Question # 13

An example of water soluble vitamin is

Question # 14

Monosaccharides are

Question # 15

Major food factors are:

Question # 16

Which of the following is not a synthetic polymer?

Question # 17

Which of the following is the repeating monomeric unit in cellulose

Question # 18

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 19

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

Question # 20

The simplest separating unit of a polymer is called:

Question # 21

Which property is not present in lipids?

Question # 22

Plastics are a pollution problem because many plastics

Question # 23

Which of the following is fully fluorinated polymer?

Question # 24

How is the secondary structure of protein stabilized

Question # 25

On hydrolysis of starch, we finally get

Question # 26

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a

Question # 27

Which of the following is an example of ketohexose?

Question # 28

The main structure features of proteins is

Question # 29

Bakelite is a product formed form

Question # 30

Polyester resins have special use in:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is not present in RNA?
A. Uracil
B. Thymine
C. Ribose
D. Phosphate
2 Enzymes are catalysts which contain other than carbon and hydrogen one other element
A. Oxygen
B. Sulphur
C. Phosphorus
D. Iodine
3 RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA
A. D-Ribose
B. Wracil base
C. Prosphate group
D. Thyamine base
4 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these
5 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
6 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
7 Monosaccharides and oligosacchradies are generally called as
A. Crystals
B. Sugars
C. Liquids
D. Non-sugars
8 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
9 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
10 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4

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