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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

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Page 1 of 4

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

55 – 70°C

35 – 55°C

20 – 35°C

10 – 15°C

2. Natural rubber is a polymer of

Butadiene

Ethyne

Isoprene

Styrene

3. Polymer formation from monomers starts by

Coordination reaction between monomers

Hydrolysis of monomers

Condensation reaction between monomers

Conversion of monomer to monomer ions by protons

4. Hydrolysis of sucrose is called

Hydration

Inversion

Saponification

Inhibition

5. The degree of unsaturation of fat is measured by

Oxidation number

Reduction number

Iodine number

Saponification value

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

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

Thymine

Phosphate

Uracil

Ribose

8. Vitamin A is present in

Liver

Milk

All

Green vegetables

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

Cellophane

Polyethylene

Nylon

PVC

10. ___________ is a thermosetting plastic

Polythene

Polystyrene

Bakelite

PVC

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

Ribose

Adenine

Thymine

Phosphoric acid

12. Enzymes, in the living systems

Transport oxygen

Provide immunity

Provide energy

Catalyze biochemical processes

13. Celluloid is

Cellulose nitrate

Cellulose acetate butyrate

Cellulose acetate

Regenerated cellulose

14. Which one is a polymer compound?

CO₂

SO₂

CH₄

PVC

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

Denaturation

Amino acid sequence

α-helix

Highly convoluted α-helix

16. A carbohydrate that cannot be acid hydrolysed is called

Oligosaccharides

Disaccharides

Monosaccharides

Polysaccharides

17. Daily protein intake for normal adults should be

0.8g/kg

0.2g/kg

0.5g/kg

1.1g/kg

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

350

300

100

150

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

PVC

Polystyrene

Bakelite

Polyethene

20. Which of the following substance not belongs to lipid

Vitamin D

Oil

Glycogen

Cholesterol

21. Branched chair polymers as compared to linear polymers have

Higher tensile strength

None of these

Lower density

Higher melting point

22. Synthetic polymer prepared from caprolactum is known is

Nylon 610

Nylon-6

Terylene

Teflon

23. One gram of carbohydrate yields energy

10kcal

9kcal

4kcal

100kcal

24. Which of the following is a polyamide?

Nylon

Terylene

Orion

Teflon

25. ________ is a natural fiber.

Cellulose

Dacron

Nylon-6

None of these

Page 2 of 4

26. A complete food contains at least

Six nutrients

Three nutrients

Ten nutrients

27. Benedict solution gives a positive test with

Fructose

Starch

Sucrose

Glucose

28. On hydrolysis of starch, we finally get

Fructose

Glucose

Both

Sucrose

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

Polyethene

Polystyrene

Terylene

Neoprene

30. Terylene is made by polymerization of terephthalic acid with

Phenol

Ethanol

Ethylene glycol

None of these

31. Teflon, Styron and neoprene are all

Homopolymers

Monomers

Copolymers

Condensation polymers

32. The group linkage present in fats is

Ester linkage

Peptide linkage

None of these

Glycosidic linkage

33. Which of the following is synthetic polymer?

Cellulose

Protein

Polythene

Rubber

34. Which of these polymers is a synthetic polymer?

Starch

Polyester in an addition polymer

Animal fat

Cellulose

35. The main structure features of proteins is

All

An ester linkage

The peptide linkage

An ether linkage

36. Pick out the wrong statement.

Polythene generally has an excellent resistance to ultra violet rays

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.

37. Copolymer is

PMMA

Polyethene

Nylon 66

Nylon-6

38. The reaction between fat and NaOH is called

Saponification

Esterification

Hydrogenolysis

Fermentation

39. Bakelite is a product formed from

It is a natural product

Reaction of polypropylene with acid

Reaction of formaldehyde with phenol

Reaction of polyethylene with phenol

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

Saoiluefucation number

Iodine number

Rancidity number

Acid number

41. Which of these polymers is an addition polymer?

Nylon 6, 6

Terylene

Epoxy resin

Polystyrene

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

All are correct

Form new tissue or protoplasm

Provides energy

Contain traces of necessary minerals

43. _________ is an addition polymer

Polythene

None of these

Nylon

Bakelite

44. Which has maximum protein content?

Cow milk

Ground nut

Egg

Wheat

45. Which is a protein?

Nylon

Natural silk

Terylene

Rayon

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

Carbon

Sulphur

Nitrogen

Hydrogen

47. The disaccharide present in milk is

Lactose

Sucrose

Maltose

Cellobiose

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

Nylon 66

Epoxy resin

Plexiglass

Polyester

49. Purine derivative among the following bases is

Thymine

Uracil

Cytosine

Guanine

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

Cellulose

Ethylene glycol

Polyamides

Lignin

Page 3 of 4

51. Ascorbic acid is a chemical name of

Vitamin A

Vitamin B₆

Vitamin C

Vitamin D

52. Which of the following is not a carbohydrate?

Cellulose

Nuclic acid

Starch

Glycoyen

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

Activator

Co – enzyme

Epo – enzyme

Inhibitor

54. Orlon is a polymer of

Ethanoic acid

Acrylonitrile

Tetrafluoroethylene

Benzene

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

Natural

Synthetic

Spandex

Acrylic

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

Teflon

Polyethene

Phenol formaldehyde resin

Nitrile rubber

57. Vinyl flooring done using _________ sheets.

Polythene

PVC

Polypropylene

Polyvinyl acetate

58. Which of the following is a copolymer?

Teflon

Bakelite

PVC

Polythene

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

20 – 35°C

10 – 20°C

35 – 55°C

55 – 70°C

60. The fiber which is made from acrylonitrile as monomers

Rayon fiber

PVC

Polyester fiber

Acrylic fiber

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

Enzyme

Metallic ion

Alkali

Acid

62. The monomeric units of starch is/are:

Glucose

Glucose and fructose

Mannose

Fructose

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

Dacron

None of these

Melamine resins

Teflon

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

Teflon

Styrene

None of these

Adipic acid

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

Stadinger

Lewis

Newton

Schrodinger

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

Diffusion

Peptization

Protection

Emulsification

67. A long thin, thread like structure is called

Fiber

Varnish

Plastic

Paint

68. Nylon 6,6 is a condensation polymer of

Adipic acid and hexaethylene diamine

Phthalic acid and hexa ethylene diamine

Phthalic acid and glycerol

Adipic acid and glycerol

69. Nylon-66 is made by using

Benzaldehyde

Succinic acid

Phenol

Adipic acid

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

Benedict solution

Hydroxyl amine

Fehling solution

Phenyl hydrazine

71. 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

Bakelite (phenol formaldehyde)

Polyester

Polythene

72. Peptide bond is a key feature in

Nucleotide

Proteins

Polysaccharide

Vitamins

73. Enzymes are

Proteins

Oils

Fatty acids

Minerals

74. Which of the following is a molecular disease?

German measles

Allergy

Cancer

Sickle cell anemia

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

Starch

Sucrose

Cellulose

Vitamins

Page 4 of 4

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

Fructose

Starch

Maltose

Glycogen

77. Nitrile rubber is produced by the polymerization of

Acrylonitrile & butadiene

Acrylonitrile & styrene

None of these

Isobutylene & isoprene

78. Protein is a polymer of

Terephthalic acid

Glycol

Glucose

Amino acid

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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

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ECAT Chemistry Macro-Molecules Test

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Chemistry Macro-Molecules MCQS Online Test

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