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

Terylene is madeby polymerization of terephthalic acid with

Question # 2

β-D-glucose is a monomer for

Question # 3

Plastics are a pollution problem because many plastics

Question # 4

Cotton is ______% cellulose

Question # 5

Which property is not present in lipids?

Question # 6

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 # 7

Ascorbic acid is a chemical name of

Question # 8

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

Question # 9

Which polymerization is free radical machanism based

Question # 10

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

Question # 11

The main structure features of proteins is

Question # 12

Simple sugars are :

Question # 13

Which one of the following elements is not present in all proteins

Question # 14

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

Question # 15

Activity of the enzyme is reduced by

Question # 16

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

Question # 17

The metal present in blood is

Question # 18

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

Question # 19

On hydrolysis of starch, we finally get

Question # 20

Vegetable oils are

Question # 21

Orlon is a polymer of

Question # 22

Polysaccharides are also called

Question # 23

Vegetable oils are

Question # 24

Enzymes, in the living systems

Question # 25

The proteins which are derived by conjugated proteins are called as

Question # 26

Which of the following statements is incorrect about vitamins

Question # 27

Iodine value of an oil or fat may be defined as

Question # 28

Sterols, vitamin D and terpenese belong to

Question # 29

Which teat is not given by both glucose and fructose

Question # 30

Which one is a polymer compound?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following enzymes brings about the hydrolysis of fats?
A. Urease
B. Maltase
C. Zymase
D. Lypase
2 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
3 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
4 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
5 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
6 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
7 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
8 Simple sugars are :
A. Monosaccharides
B. Disaccharides
C. Oligo saccharides
D. Trisaccharides
9 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
10 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide

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