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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 of the following is not a synthetic polymer?

PVC

Polyethylene

Cellophane

Nylon

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

100

300

350

150

3. Which has maximum protein content?

Ground nut

Egg

Wheat

Cow milk

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

Maltose

Fructose

Glycogen

Starch

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

Rancidity number

Acid number

Iodine number

Saoiluefucation number

6. Branched chair polymers as compared to linear polymers have

Higher tensile strength

Higher melting point

Lower density

None of these

7. Nylon-66 is made by using

Phenol

Adipic acid

Benzaldehyde

Succinic acid

8. The monomeric units of starch is/are:

Mannose

Glucose

Fructose

Glucose and fructose

9. Which of the following is a polyamide?

Teflon

Nylon

Orion

Terylene

10. Teflon, Styron and neoprene are all

Condensation polymers

Monomers

Homopolymers

Copolymers

11. The reaction between fat and NaOH is called

Saponification

Hydrogenolysis

Fermentation

Esterification

12. Benedict solution gives a positive test with

Fructose

Glucose

Starch

Sucrose

13. Which of the following is a copolymer?

Teflon

Polythene

PVC

Bakelite

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

All are correct

Provides energy

Contain traces of necessary minerals

Form new tissue or protoplasm

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

Carbon

Hydrogen

Sulphur

Nitrogen

16. Copolymer is

Nylon-6

Polyethene

Nylon 66

PMMA

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

10 – 20°C

35 – 55°C

55 – 70°C

20 – 35°C

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

Phosphoric acid

Thymine

Ribose

Adenine

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

20 – 35°C

55 – 70°C

10 – 15°C

35 – 55°C

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

Schrodinger

Lewis

Newton

Stadinger

21. Terylene is made by polymerization of terephthalic acid with

None of these

Ethanol

Ethylene glycol

Phenol

22. Vitamin A is present in

All

Milk

Green vegetables

Liver

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

Terylene

Polyethene

Polystyrene

Neoprene

24. A complete food contains at least

Ten nutrients

Six nutrients

Ten nutrients

Three nutrients

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

Ribose

Uracil

Phosphate

Thymine

Page 2 of 4

26. Enzymes are

Oils

Proteins

Fatty acids

Minerals

27. 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?

Polyester

Nylon-6

Polythene

Bakelite (phenol formaldehyde)

28. Natural rubber is a polymer of

Styrene

Butadiene

Ethyne

Isoprene

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

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

Protection

Diffusion

Peptization

Emulsification

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

Hydroxyl amine

Benedict solution

Phenyl hydrazine

Fehling solution

32. Which of the following substance not belongs to lipid

Cholesterol

Glycogen

Vitamin D

Oil

33. The main structure features of proteins is

An ether linkage

All

An ester linkage

The peptide linkage

34. _________ is an addition polymer

None of these

Bakelite

Polythene

Nylon

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

Sucrose

Starch

Vitamins

Cellulose

36. Protein is a polymer of

Terephthalic acid

Amino acid

Glucose

Glycol

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

Cellulose

Polyamides

Lignin

Ethylene glycol

38. Which of the following is not a carbohydrate?

Glycoyen

Cellulose

Nuclic acid

Starch

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

Polyester

Plexiglass

Nylon 66

Epoxy resin

40. Hydrolysis of sucrose is called

Inversion

Saponification

Hydration

Inhibition

41. On hydrolysis of starch, we finally get

Fructose

Both

Glucose

Sucrose

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

Enzyme

Metallic ion

Acid

Alkali

43. Pick out the wrong statement.

Polymeric fibers are never produced by addition polymerization.

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.

44. Synthetic polymer prepared from caprolactum is known is

Terylene

Teflon

Nylon-6

Nylon 610

45. Daily protein intake for normal adults should be

0.2g/kg

0.8g/kg

0.5g/kg

1.1g/kg

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

Phenol formaldehyde resin

Polyethene

Teflon

Nitrile rubber

47. Which one is a polymer compound?

PVC

CO₂

CH₄

SO₂

48. Which is a protein?

Natural silk

Terylene

Rayon

Nylon

49. One gram of carbohydrate yields energy

10kcal

9kcal

100kcal

4kcal

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

Activator

Epo – enzyme

Inhibitor

Co – enzyme

Page 3 of 4

51. A long thin, thread like structure is called

Varnish

Paint

Plastic

Fiber

52. Which of the following is a molecular disease?

German measles

Sickle cell anemia

Allergy

Cancer

53. ___________ is a thermosetting plastic

PVC

Polythene

Polystyrene

Bakelite

54. The disaccharide present in milk is

Maltose

Sucrose

Lactose

Cellobiose

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

Teflon

None of these

Melamine resins

Dacron

56. The fiber which is made from acrylonitrile as monomers

Polyester fiber

Rayon fiber

Acrylic fiber

PVC

57. Celluloid is

Regenerated cellulose

Cellulose nitrate

Cellulose acetate

Cellulose acetate butyrate

58. Purine derivative among the following bases is

Thymine

Guanine

Cytosine

Uracil

59. Which of the following is synthetic polymer?

Rubber

Protein

Polythene

Cellulose

60. A carbohydrate that cannot be acid hydrolysed is called

Disaccharides

Polysaccharides

Oligosaccharides

Monosaccharides

61. Nitrile rubber is produced by the polymerization of

None of these

Acrylonitrile & butadiene

Acrylonitrile & styrene

Isobutylene & isoprene

62. Which of these polymers is an addition polymer?

Epoxy resin

Nylon 6, 6

Terylene

Polystyrene

63. The group linkage present in fats is

Glycosidic linkage

None of these

Peptide linkage

Ester linkage

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

Styrene

Teflon

Adipic acid

None of these

65. Bakelite is a product formed from

Reaction of formaldehyde with phenol

Reaction of polyethylene with phenol

Reaction of polypropylene with acid

It is a natural product

66. Peptide bond is a key feature in

Proteins

Nucleotide

Polysaccharide

Vitamins

67. Ascorbic acid is a chemical name of

Vitamin D

Vitamin A

Vitamin C

Vitamin B₆

68. Polymer formation from monomers starts by

Hydrolysis of monomers

Coordination reaction between monomers

Condensation reaction between monomers

Conversion of monomer to monomer ions by protons

69. Vinyl flooring done using _________ sheets.

Polythene

PVC

Polypropylene

Polyvinyl acetate

70. The degree of unsaturation of fat is measured by

Oxidation number

Iodine number

Reduction number

Saponification value

71. ________ is a natural fiber.

Dacron

None of these

Cellulose

Nylon-6

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

Acrylic

Natural

Spandex

Synthetic

73. Which of these polymers is a synthetic polymer?

Cellulose

Polyester in an addition polymer

Starch

Animal fat

74. Nylon 6,6 is a condensation polymer of

Adipic acid and hexaethylene diamine

Phthalic acid and hexa ethylene diamine

Adipic acid and glycerol

Phthalic acid and glycerol

75. Enzymes, in the living systems

Transport oxygen

Catalyze biochemical processes

Provide energy

Provide immunity

Page 4 of 4

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

Bakelite

PVC

Polystyrene

Polyethene

77. Orlon is a polymer of

Benzene

Tetrafluoroethylene

Acrylonitrile

Ethanoic acid

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

Highly convoluted α-helix

Amino acid sequence

α-helix

Denaturation

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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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