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

DNA has deoxyribose, a base and the third component is

Question # 2

The disaccharide present in milk is

Question # 3

Purines include

Question # 4

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 5

The development of disagreeable odur in fats or oil is called

Question # 6

Which of the following is a steroid

Question # 7

A polymer may be

Question # 8

In macromolecules DP stands for

Question # 9

Which of these polymers is an addition polymer?

Question # 10

Oxidation reduction is done by

Question # 11

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

Question # 12

The metal present in blood is

Question # 13

A condensation polymer among the following is

Question # 14

Natural rubber is a polymer of

Question # 15

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 16

Nylon, 6,6 is a condensation polymer of

Question # 17

The monomeric units of starch is/are

Question # 18

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

Question # 19

Enzymes, in the living systems

Question # 20

Which of these polymers is an addition polymer

Question # 21

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

Question # 22

Plastics are pollution problem because many plastics:

Question # 23

Which of the following is the repeating monomeric unit in cellulose

Question # 24

Glycogen is stored in

Question # 25

Plastics are a pollution problem because many plastics

Question # 26

Which of the following is a water soluble vetamin?

Question # 27

Which of the following polymers is used for weather resistant paints

Question # 28

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

Question # 29

What is not true about DNA

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
2 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
3 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
4 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
5 The metal present in blood is
A. Al
B. Hg
C. Cu
D. Fe
6 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
7 Which one of the following enzymes brings about the hydrolysis of fats
A. Urease
B. Maltase
C. Zymase
D. Lypase
8 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
9 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
10 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4

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