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

00:00
Question # 1

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

Question # 2

Which behaves as insulator for animals body?

Question # 3

Which of the following is a biodegradable polymer?

Question # 4

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 5

On hydrolysis of starch, we finally get

Question # 6

Teflon, styron and neoprene are all

Question # 7

Which of these polymers is an addition polymer

Question # 8

Glyptal polymer is obtained from glycerol on reacting with

Question # 9

The disaccharide present in milk is

Question # 10

Activity of the enzyme is reduced by

Question # 11

The reaction between fat and NaOH is called

Question # 12

The development of disagreeable odur in fats or oil is called

Question # 13

Which of the following has ester linkage?

Question # 14

Copolymer is

Question # 15

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

Question # 16

Sterols, vitamin D and terpenese belong to

Question # 17

In fructose the possible optical isomers are

Question # 18

A fibre which is made from acrylonitrile as monomer

Question # 19

Which of the following is a polyamide?

Question # 20

For every reaction occurring in the body three is at least one type of

Question # 21

Monosaccharides and oligosacchradies are generally called as

Question # 22

Which one of the following is a water soluble vitamin

Question # 23

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

Question # 24

The simplest separating unit of a polymer is called:

Question # 25

Natural rubber is a polymer of

Question # 26

Glycine at pH7 has the structure

Question # 27

Ascorbic acid is a chemical name of

Question # 28

Vegetables oils are:

Question # 29

Which of the following is not a synthetic polymer?

Question # 30

A nucleoside may be

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
2 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin
3 Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as
A. Biuret
B. Xanthoproteic test
C. Hopkins-cole
D. All of these
4 Major food factors are:
A. Fats and oils
B. Carbohydrates
C. Protiens
D. All of these
5 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
6 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
7 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
8 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
9 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
10 Which of the following is obtained by condensation polymerization?
A. Polyethene
B. Teflon
C. Phenol formaldehyde resin
D. Nitrile rubber

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