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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 one is a polymer compound?

PVC

CO₂

CH₄

SO₂

2. Nylon-66 is made by using

Benzaldehyde

Phenol

Adipic acid

Succinic acid

3. Purine derivative among the following bases is

Uracil

Cytosine

Guanine

Thymine

4. The fiber which is made from acrylonitrile as monomers

PVC

Polyester fiber

Rayon fiber

Acrylic fiber

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

Activator

Inhibitor

Co – enzyme

Epo – enzyme

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

300

150

350

100

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

Uracil

Thymine

Ribose

Phosphate

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

Phenyl hydrazine

Fehling solution

Benedict solution

Hydroxyl amine

9. Orlon is a polymer of

Tetrafluoroethylene

Ethanoic acid

Acrylonitrile

Benzene

10. Which of these polymers is an addition polymer?

Epoxy resin

Nylon 6, 6

Terylene

Polystyrene

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

Polyester

Plexiglass

Nylon 66

Epoxy resin

12. A carbohydrate that cannot be acid hydrolysed is called

Polysaccharides

Disaccharides

Monosaccharides

Oligosaccharides

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

None of these

Dacron

Melamine resins

Teflon

14. The main structure features of proteins is

All

An ether linkage

The peptide linkage

An ester linkage

15. The degree of unsaturation of fat is measured by

Saponification value

Iodine number

Oxidation number

Reduction number

16. The reaction between fat and NaOH is called

Hydrogenolysis

Saponification

Fermentation

Esterification

17. Polymer formation from monomers starts by

Coordination reaction between monomers

Conversion of monomer to monomer ions by protons

Condensation reaction between monomers

Hydrolysis of monomers

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

Vitamins

Starch

Sucrose

Cellulose

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

20 – 35°C

10 – 20°C

55 – 70°C

35 – 55°C

20. Copolymer is

Nylon 66

Nylon-6

Polyethene

PMMA

21. Natural rubber is a polymer of

Styrene

Butadiene

Ethyne

Isoprene

22. The group linkage present in fats is

None of these

Peptide linkage

Glycosidic linkage

Ester linkage

23. Synthetic polymer prepared from caprolactum is known is

Nylon 610

Teflon

Nylon-6

Terylene

24. Which of the following is not a carbohydrate?

Cellulose

Glycoyen

Nuclic acid

Starch

25. Vitamin A is present in

Liver

Milk

All

Green vegetables

Page 2 of 4

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

Spandex

Synthetic

Acrylic

Natural

27. Celluloid is

Regenerated cellulose

Cellulose acetate butyrate

Cellulose nitrate

Cellulose acetate

28. One gram of carbohydrate yields energy

9kcal

10kcal

100kcal

4kcal

29. Hydrolysis of sucrose is called

Inversion

Saponification

Hydration

Inhibition

30. Daily protein intake for normal adults should be

0.8g/kg

1.1g/kg

0.5g/kg

0.2g/kg

31. Branched chair polymers as compared to linear polymers have

Lower density

None of these

Higher tensile strength

Higher melting point

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

Thymine

Ribose

Adenine

Phosphoric acid

33. Which is a protein?

Nylon

Rayon

Terylene

Natural silk

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

Cellophane

PVC

Nylon

Polyethylene

35. The disaccharide present in milk is

Lactose

Sucrose

Maltose

Cellobiose

36. A complete food contains at least

Six nutrients

Ten nutrients

Three nutrients

Ten nutrients

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

55 – 70°C

10 – 15°C

35 – 55°C

20 – 35°C

38. Which of the following is a molecular disease?

German measles

Allergy

Cancer

Sickle cell anemia

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

Ethylene glycol

Cellulose

Polyamides

Lignin

40. ________ is a natural fiber.

Nylon-6

Dacron

None of these

Cellulose

41. Vinyl flooring done using _________ sheets.

Polythene

Polypropylene

Polyvinyl acetate

PVC

42. Which of the following substance not belongs to lipid

Vitamin D

Glycogen

Cholesterol

Oil

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

Acid number

Rancidity number

Iodine number

Saoiluefucation number

44. Pick out the wrong statement.

Sharp melting point is not observed in thermoplastic polymers.

Polythene generally has an excellent resistance to ultra violet rays

Polymeric fibers are never produced by addition polymerization.

Property of tackiness is exhibited by uncured rubber.

45. Terylene is made by polymerization of terephthalic acid with

Ethylene glycol

Ethanol

None of these

Phenol

46. Benedict solution gives a positive test with

Sucrose

Glucose

Fructose

Starch

47. On hydrolysis of starch, we finally get

Both

Glucose

Sucrose

Fructose

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

Acid

Enzyme

Metallic ion

Alkali

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

PVC

Polyethene

Bakelite

Polystyrene

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

Protection

Emulsification

Peptization

Diffusion

Page 3 of 4

51. Bakelite is a product formed from

Reaction of formaldehyde with phenol

It is a natural product

Reaction of polypropylene with acid

Reaction of polyethylene with phenol

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

Teflon

Polyethene

Nitrile rubber

Phenol formaldehyde resin

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

Denaturation

α-helix

Amino acid sequence

Highly convoluted α-helix

54. Peptide bond is a key feature in

Polysaccharide

Nucleotide

Vitamins

Proteins

55. ___________ is a thermosetting plastic

Bakelite

PVC

Polystyrene

Polythene

56. Which of the following is synthetic polymer?

Polythene

Protein

Cellulose

Rubber

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

58. Ascorbic acid is a chemical name of

Vitamin D

Vitamin B₆

Vitamin A

Vitamin C

59. 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?

Bakelite (phenol formaldehyde)

Nylon-6

Polythene

Polyester

60. Which of the following is a polyamide?

Orion

Terylene

Nylon

Teflon

61. Teflon, Styron and neoprene are all

Condensation polymers

Homopolymers

Copolymers

Monomers

62. Which has maximum protein content?

Ground nut

Egg

Wheat

Cow milk

63. Enzymes, in the living systems

Provide immunity

Transport oxygen

Provide energy

Catalyze biochemical processes

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

Nitrogen

Hydrogen

Sulphur

Carbon

65. A long thin, thread like structure is called

Varnish

Paint

Fiber

Plastic

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

Contain traces of necessary minerals

Form new tissue or protoplasm

All are correct

Provides energy

67. Which of these polymers is a synthetic polymer?

Cellulose

Polyester in an addition polymer

Starch

Animal fat

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

Styrene

Adipic acid

None of these

Teflon

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

Terylene

Neoprene

Polystyrene

Polyethene

70. The monomeric units of starch is/are:

Mannose

Glucose and fructose

Fructose

Glucose

71. _________ is an addition polymer

Nylon

Polythene

Bakelite

None of these

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

Glycogen

Fructose

Starch

Maltose

73. Which of the following is a copolymer?

Teflon

PVC

Polythene

Bakelite

74. Nylon 6,6 is a condensation polymer of

Phthalic acid and hexa ethylene diamine

Adipic acid and hexaethylene diamine

Adipic acid and glycerol

Phthalic acid and glycerol

75. Enzymes are

Proteins

Fatty acids

Oils

Minerals

Page 4 of 4

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

Lewis

Schrodinger

Newton

Stadinger

77. Protein is a polymer of

Glycol

Amino acid

Terephthalic acid

Glucose

78. Nitrile rubber is produced by the polymerization of

Acrylonitrile & styrene

Isobutylene & isoprene

Acrylonitrile & butadiene

None of these

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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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