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 the following is the repeating monomeric unit in cellulose

Question # 2

Substances that render enzymes catalytically inactive are called

Question # 3

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

Question # 4

Natural rubber is a polymer of

Question # 5

Plastics are pollution problem because many plastics:

Question # 6

Plastics are a pollution problem because many plastics

Question # 7

Which of these polymers is an addition polymer?

Question # 8

Which of the following is a polyamide?

Question # 9

The protein which only yield amino acids and their derivatives

Question # 10

Which of these polymers is an addition polymer

Question # 11

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

Question # 12

The digestion of fats in the intestines is aided by

Question # 13

C6H12O6 is molecualr formula of:

Question # 14

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

Question # 15

The raw material to form nylon is

Question # 16

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

Question # 17

A fibre which is made from acrylonitrile as monomer

Question # 18

Which of the following is obtained by condensation polymerization?

Question # 19

The product of addition polymerization reaction is

Question # 20

Which teat is not given by both glucose and fructose

Question # 21

Major food factors are:

Question # 22

Which has maximum protein content?

Question # 23

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 # 24

Which of the following is an example of ketohexose?

Question # 25

Cotton is ______% cellulose

Question # 26

Bakelite is a product formed form

Question # 27

Which of the following is fully fluorinated polymer?

Question # 28

Which of the following enzymes brings about the hydrolysis of fats?

Question # 29

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

Question # 30

A polymer may be

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
2 Which of the following is not a synthetic polymer?
A. Polyethylene
B. PVC
C. Nylon
D. Cellophane
3 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
4 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
5 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
6 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
7 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
8 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
9 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
10 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these

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