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

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

Question # 2

Soft drinks and baby feeding bottles are generally made up of

Question # 3

Monosaccharides are

Question # 4

Plastics are a pollution problem because many plastics

Question # 5

The metal present in blood is

Question # 6

DNA has deoxyribose, a base and the third component is

Question # 7

In fructose the possible optical isomers are

Question # 8

Substances that render enzymes catalytically inactive are called

Question # 9

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

Question # 10

Which of the following is not present in nucleotide?

Question # 11

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

Question # 12

The temp. and pressure used for PVC polymerization is

Question # 13

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 # 14

Which of the following is obtained by condensation polymerization?

Question # 15

Copolymer is

Question # 16

The simplest separating unit of a polymer is called:

Question # 17

The product of addition polymerization reaction is

Question # 18

Activity of the enzyme is reduced by

Question # 19

Glyptal polymer is obtained from glycerol on reacting with

Question # 20

Which of these polymers is an addition polymer?

Question # 21

Which is the derived lipid?

Question # 22

Of the following which is a step growth polymer

Question # 23

Vegetable oils are

Question # 24

The reaction between fat and NaOH is called

Question # 25

Oxidation reduction is done by

Question # 26

The substance upon which an enzyme acts is known as its

Question # 27

Cotton is ______% cellulose

Question # 28

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

Question # 29

Which of the following fibres are made of polyamides?

Question # 30

Ricket is caused due to the deficiency of vitamin

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is the repeating monomeric unit in cellulose
A. Sucrose
B. Maltose
C. Cellobiose
D. Glucose
2 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
3 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
4 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
5 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
6 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
7 The proteins which are derived by conjugated proteins are called as
A. Simple protein
B. Complex protein
C. Derived protein
D. None
8 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
9 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
10 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids

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