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

Enzymes are

Question # 2

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

Question # 3

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

Question # 4

Which one of the following is a water soluble vitamin

Question # 5

Nylon, 6,6 is a condensation polymer of

Question # 6

Which of the following has magnesium?

Question # 7

Which polymerization is free radical machanism based

Question # 8

Which is a protein?

Question # 9

Enzymes, in the living systems

Question # 10

Teflon, styron and neoprene are all

Question # 11

Vegetables oils are:

Question # 12

Polyester resins have special use in:

Question # 13

Soft drinks and baby feeding bottles are generally made up of

Question # 14

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

Question # 15

Which is not a steroid

Question # 16

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 # 17

Which has maximum protein content?

Question # 18

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

Question # 19

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 20

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

Question # 21

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

Question # 22

Bakelite is a product formed form

Question # 23

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

Question # 24

Activity of the enzyme is reduced by

Question # 25

Which of the following is obtained by condensation polymerization?

Question # 26

Purine derivative among the following bases is

Question # 27

The temp. and pressure used for PVC polymerization is

Question # 28

Two vitamins absorbed from intestine along with fats are

Question # 29

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

Question # 30

A nucleoside may be

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
2 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin
3 Factors affecting denaturation of proteins:
A. Change in temp and pH
B. Strong reducing agent
C. Strong oxidizing agent
D. All of these
4 The metal present in blood is
A. Al
B. Hg
C. Cu
D. Fe
5 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
6 Glycogen is stored in
A. Animals
B. Plants
C. Soil
D. None of these
7 The other name of cross linked polymers is
A. Linear polymer
B. Branched polymer
C. Inter connected polymers
D. None of these
8 The fiber which is made from acrylonitrile as monomer:
A. PVC
B. Rayon Fiber
C. Acrylic fiber
D. Polyester fiber
9 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
10 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14

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