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

Monosaccharides are

Question # 2

Cellulose does:

Question # 3

The fiber which is made from acrylonitrile as monomer:

Question # 4

Activity of the enzyme is reduced by

Question # 5

In macromolecules DP stands for

Question # 6

What is the most common catalyst used in hydrogenation of oils

Question # 7

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

Question # 8

Nylon, 6,6 is a condensation polymer of

Question # 9

The polymers which can not be re-softened again and again are called

Question # 10

Teflon, styron and neoprene are all

Question # 11

Vitamin A is present in

Question # 12

Which of the following polymers is used for weather resistant paints

Question # 13

A polymer may be

Question # 14

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 15

The proteins which are derived by conjugated proteins are called as

Question # 16

An example of water soluble vitamin is

Question # 17

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

Question # 18

Which of these polymers is an addition polymer

Question # 19

Simple sugars are :

Question # 20

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

Question # 21

The clotting time of blood is increased due to the deficiency of

Question # 22

Bakelite is a product formed form

Question # 23

The digestion of fats in the intestines is aided by

Question # 24

Polysaccharides are also called

Question # 25

A fibre which is made from acrylonitrile as monomer

Question # 26

The product of addition polymerization reaction is

Question # 27

The fibre which is made form acrylonitrile as monomer

Question # 28

The disaccharide present in milk is

Question # 29

Monosaccharides belong to the group

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6
2 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
3 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
4 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber
5 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
6 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
7 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
8 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
9 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
10 The number of amino acids found in proteins that a human body can synthesize is
A. 20
B. 10
C. 5
D. 14

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