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ECAT Chemistry Macro-Molecules Test Online

Mustansar KhanLast Updated: April 19, 2025

Chemistry Macro-Molecules MCQS Online Test

ECAT Chemistry Macro-Molecules Chapter Online Test

Total Questions:	78
Time Allowed:	40 Minutes
Total Marks:	78
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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ECAT Chemistry Macro-Molecules Test

Page 1 of 4

1. Natural rubber is a polymer of

Isoprene

Butadiene

Styrene

Ethyne

2. The digestion of fats in the intestines is aided by

Peptization

Protection

Emulsification

Diffusion

3. Vitamin A is present in

All

Milk

Green vegetables

Liver

4. The number of amino acids found in proteins that a human body can synthesize is

5. Protein is a polymer of

Terephthalic acid

Glycol

Amino acid

Glucose

6. Which one of the following carbohydrates give blue colour with iodine?

Glycogen

Maltose

Fructose

Starch

7. Hydrolysis of sucrose is called

Inhibition

Inversion

Saponification

Hydration

8. Copolymer is

Nylon-6

PMMA

Nylon 66

Polyethene

9. Bakelite is a product formed from

It is a natural product

Reaction of formaldehyde with phenol

Reaction of polyethylene with phenol

Reaction of polypropylene with acid

10. Daily protein intake for normal adults should be

0.5g/kg

0.2g/kg

1.1g/kg

0.8g/kg

11. Which of the following is synthetic polymer?

Polythene

Protein

Rubber

Cellulose

12. Which one of the following polymers is formed from adipic acid and hexamethylene diamine?

Epoxy resin

Plexiglass

Nylon 66

Polyester

13. Which of the following is not a synthetic polymer?

Cellophane

PVC

Polyethylene

Nylon

14. Which carbohydrates is an essential constituent of plant cells?

Sucrose

Starch

Cellulose

Vitamins

15. Which of the following is a molecular disease?

Cancer

Allergy

German measles

Sickle cell anemia

16. Which of the following polymers belong to the class of formaldehyde resin?

Dacron

Teflon

Melamine resins

None of these

17. Ascorbic acid is a chemical name of

Vitamin B₆

Vitamin A

Vitamin D

Vitamin C

18. The optimum temperature for the activity of enzymes is:

55 – 70°C

10 – 20°C

20 – 35°C

35 – 55°C

19. Most of the plastics are safe to be used up to a maximum temperature of _______ °C?

150

300

100

350

20. The group linkage present in fats is

Glycosidic linkage

None of these

Peptide linkage

Ester linkage

21. Enzymes, in the living systems

Transport oxygen

Provide immunity

Provide energy

Catalyze biochemical processes

22. The reagent which forms crystalline osazone derivative when treated with glucose is

Benedict solution

Phenyl hydrazine

Fehling solution

Hydroxyl amine

23. Purine derivative among the following bases is

Thymine

Guanine

Uracil

Cytosine

24. Which one of the following plastics is a thermosetting plastic?

PVC

Polyethene

Bakelite

Polystyrene

25. Which of these polymers is a synthetic polymer?

Animal fat

Cellulose

Polyester in an addition polymer

Starch

Page 2 of 4

26. Which of the following is a constituent of nylon?

None of these

Styrene

Teflon

Adipic acid

27. Vinyl flooring done using _________ sheets.

Polyvinyl acetate

Polypropylene

PVC

Polythene

28. Peptide bond is a key feature in

Proteins

Polysaccharide

Nucleotide

Vitamins

29. Nitrile rubber is produced by the polymerization of

Isobutylene & isoprene

None of these

Acrylonitrile & butadiene

Acrylonitrile & styrene

30. Teflon, Styron and neoprene are all

Homopolymers

Copolymers

Monomers

Condensation polymers

31. _________ is an addition polymer

Polythene

Bakelite

None of these

Nylon

32. Nylon 6,6 is a condensation polymer of

Adipic acid and hexaethylene diamine

Adipic acid and glycerol

Phthalic acid and glycerol

Phthalic acid and hexa ethylene diamine

33. Which of the following is not an example of addition polymer?

Polyethene

Terylene

Polystyrene

Neoprene

34. Pick out the wrong statement.

Sharp melting point is not observed in thermoplastic polymers.

Property of tackiness is exhibited by uncured rubber.

Polymeric fibers are never produced by addition polymerization.

Polythene generally has an excellent resistance to ultra violet rays

35. Synthetic polymer prepared from caprolactum is known is

Nylon-6

Nylon 610

Teflon

Terylene

36. Orlon is a polymer of

Benzene

Ethanoic acid

Tetrafluoroethylene

Acrylonitrile

37. DNA has deoxyribose, a base and the third component is

Phosphoric acid

Adenine

Ribose

Thymine

38. The degree of unsaturation of fat is measured by

Iodine number

Saponification value

Reduction number

Oxidation number

39. Branched chair polymers as compared to linear polymers have

Lower density

None of these

Higher melting point

Higher tensile strength

40. Which of the following is obtained by condensation polymerization?

Phenol formaldehyde resin

Teflon

Nitrile rubber

Polyethene

41. The main structure features of proteins is

All

An ether linkage

The peptide linkage

An ester linkage

42. Nylon-66 is made by using

Adipic acid

Benzaldehyde

Succinic acid

Phenol

43. Which of the following is a copolymer?

Bakelite

PVC

Polythene

Teflon

44. The fiber which is made from acrylonitrile as monomers

Polyester fiber

PVC

Rayon fiber

Acrylic fiber

45. The reaction between fat and NaOH is called

Esterification

Saponification

Fermentation

Hydrogenolysis

46. Polymer formation from monomers starts by

Coordination reaction between monomers

Condensation reaction between monomers

Conversion of monomer to monomer ions by protons

Hydrolysis of monomers

47. They synthetic fibers produced from _________ are know as rayon.

Lignin

Cellulose

Polyamides

Ethylene glycol

48. In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer?

Nylon-6

Polythene

Polyester

Bakelite (phenol formaldehyde)

49. Cellulose is the main constituent of most ___________ fibers.

Acrylic

Synthetic

Spandex

Natural

50. Which one is a polymer compound?

CH₄

PVC

CO₂

SO₂

Page 3 of 4

51. Which of the following is not present in RNA?

Uracil

Ribose

Thymine

Phosphate

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

Sulphur

Carbon

Nitrogen

Hydrogen

53. A fat or oil is characterized for extent of unsaturation by one of the following number. Which one is?

Acid number

Rancidity number

Saoiluefucation number

Iodine number

54. Which is a protein?

Terylene

Rayon

Natural silk

Nylon

55. Celluloid is

Cellulose acetate butyrate

Cellulose acetate

Regenerated cellulose

Cellulose nitrate

56. The monomeric units of starch is/are:

Glucose

Fructose

Mannose

Glucose and fructose

57. ___________ is a thermosetting plastic

Bakelite

Polythene

Polystyrene

PVC

58. Which of the following is a polyamide?

Nylon

Terylene

Orion

Teflon

59. A long thin, thread like structure is called

Fiber

Paint

Varnish

Plastic

60. Benedict solution gives a positive test with

Starch

Fructose

Glucose

Sucrose

61. Enzymes are

Proteins

Fatty acids

Minerals

Oils

62. On hydrolysis of starch, we finally get

Fructose

Sucrose

Both

Glucose

63. Terylene is made by polymerization of terephthalic acid with

Phenol

Ethanol

None of these

Ethylene glycol

64. Fats and carbohydrates are an essential part of our food. The reason is that they:

Form new tissue or protoplasm

Provides energy

All are correct

Contain traces of necessary minerals

65. Macromolecules or polymers are large molecules built up from small molecules known as monomers. This hypothesis is put forward by

Newton

Schrodinger

Lewis

Stadinger

66. Which of the following is not a carbohydrate?

Nuclic acid

Glycoyen

Starch

Cellulose

67. The disaccharide present in milk is

Sucrose

Lactose

Maltose

Cellobiose

68. Which is the optimum temperature for the activity of enzyme?

55 – 70°C

20 – 35°C

35 – 55°C

10 – 15°C

69. Saponification is the hydrolysis of fats or oils with an/a

Enzyme

Metallic ion

Alkali

Acid

70. ________ is a natural fiber.

Cellulose

None of these

Dacron

Nylon-6

71. Which of the following substance not belongs to lipid

Oil

Cholesterol

Glycogen

Vitamin D

72. Which of these polymers is an addition polymer?

Polystyrene

Terylene

Nylon 6, 6

Epoxy resin

73. A carbohydrate that cannot be acid hydrolysed is called

Oligosaccharides

Disaccharides

Monosaccharides

Polysaccharides

74. Which has maximum protein content?

Egg

Ground nut

Cow milk

Wheat

75. Which of the following refers to the secondary structure of a protein?

α-helix

Amino acid sequence

Denaturation

Highly convoluted α-helix

Page 4 of 4

76. A complete food contains at least

Ten nutrients

Three nutrients

Six nutrients

Ten nutrients

77. One gram of carbohydrate yields energy

100kcal

10kcal

4kcal

9kcal

78. The substance that retard stop the activity of enzyme is called

Epo – enzyme

Co – enzyme

Activator

Inhibitor

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Mustansar KhanLast Updated: April 19, 2025

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ECAT Chemistry Macro-Molecules Test Online

Chemistry Macro-Molecules MCQS Online Test

ECAT Chemistry Macro-Molecules Chapter Online Test

ECAT Chemistry Macro-Molecules Test

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Chemistry Macro-Molecules MCQS Online Test

ECAT Chemistry Macro-Molecules Chapter Online Test

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