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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. The reaction between fat and NaOH is called

Hydrogenolysis

Saponification

Fermentation

Esterification

2. The monomeric units of starch is/are:

Mannose

Fructose

Glucose

Glucose and fructose

3. Vitamin A is present in

All

Milk

Liver

Green vegetables

4. Orlon is a polymer of

Benzene

Tetrafluoroethylene

Ethanoic acid

Acrylonitrile

5. Synthetic polymer prepared from caprolactum is known is

Nylon-6

Teflon

Nylon 610

Terylene

6. Enzymes are

Oils

Fatty acids

Proteins

Minerals

7. Branched chair polymers as compared to linear polymers have

Higher tensile strength

None of these

Lower density

Higher melting point

8. The disaccharide present in milk is

Cellobiose

Lactose

Maltose

Sucrose

9. Copolymer is

PMMA

Nylon-6

Polyethene

Nylon 66

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

Polyethylene

Cellophane

PVC

Nylon

11. Nitrile rubber is produced by the polymerization of

Acrylonitrile & styrene

Isobutylene & isoprene

Acrylonitrile & butadiene

None of these

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

Nylon 66

Plexiglass

Polyester

Epoxy resin

13. Which of the following is a molecular disease?

Sickle cell anemia

Allergy

Cancer

German measles

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

Teflon

Nitrile rubber

Polyethene

Phenol formaldehyde resin

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

Polystyrene

Terylene

Neoprene

Polyethene

16. Hydrolysis of sucrose is called

Hydration

Inhibition

Inversion

Saponification

17. The degree of unsaturation of fat is measured by

Saponification value

Iodine number

Oxidation number

Reduction number

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

Teflon

Styrene

Adipic acid

None of these

19. Which of the following substance not belongs to lipid

Glycogen

Oil

Cholesterol

Vitamin D

20. A carbohydrate that cannot be acid hydrolysed is called

Disaccharides

Polysaccharides

Oligosaccharides

Monosaccharides

21. ________ is a natural fiber.

Nylon-6

None of these

Dacron

Cellulose

22. ___________ is a thermosetting plastic

Bakelite

Polythene

Polystyrene

PVC

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

Polyamides

Lignin

Cellulose

Ethylene glycol

24. Which of these polymers is a synthetic polymer?

Cellulose

Polyester in an addition polymer

Starch

Animal fat

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

Saoiluefucation number

Rancidity number

Iodine number

Acid number

Page 2 of 4

26. Enzymes, in the living systems

Provide energy

Provide immunity

Catalyze biochemical processes

Transport oxygen

27. Nylon-66 is made by using

Benzaldehyde

Succinic acid

Phenol

Adipic acid

28. A complete food contains at least

Ten nutrients

Three nutrients

Six nutrients

Ten nutrients

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

Synthetic

Acrylic

Natural

Spandex

30. Polymer formation from monomers starts by

Condensation reaction between monomers

Conversion of monomer to monomer ions by protons

Hydrolysis of monomers

Coordination reaction between monomers

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

Ribose

Phosphate

Uracil

Thymine

32. Purine derivative among the following bases is

Cytosine

Uracil

Thymine

Guanine

33. A long thin, thread like structure is called

Plastic

Varnish

Fiber

Paint

34. Bakelite is a product formed from

It is a natural product

Reaction of formaldehyde with phenol

Reaction of polypropylene with acid

Reaction of polyethylene with phenol

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

Acid

Alkali

Metallic ion

Enzyme

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

Phenyl hydrazine

Fehling solution

Hydroxyl amine

Benedict solution

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

Vitamins

Cellulose

Sucrose

Starch

38. The group linkage present in fats is

Glycosidic linkage

None of these

Ester linkage

Peptide linkage

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

40. Pick out the wrong statement.

Polymeric fibers are never produced by addition polymerization.

Property of tackiness is exhibited by uncured rubber.

Polythene generally has an excellent resistance to ultra violet rays

Sharp melting point is not observed in thermoplastic polymers.

41. 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

Polythene

Bakelite (phenol formaldehyde)

Nylon-6

42. Teflon, Styron and neoprene are all

Monomers

Copolymers

Condensation polymers

Homopolymers

43. Which has maximum protein content?

Ground nut

Wheat

Egg

Cow milk

44. The fiber which is made from acrylonitrile as monomers

Polyester fiber

Acrylic fiber

Rayon fiber

PVC

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

35 – 55°C

20 – 35°C

10 – 20°C

55 – 70°C

46. Ascorbic acid is a chemical name of

Vitamin C

Vitamin D

Vitamin B₆

Vitamin A

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

Melamine resins

None of these

Dacron

Teflon

48. Protein is a polymer of

Amino acid

Glycol

Glucose

Terephthalic acid

49. Peptide bond is a key feature in

Nucleotide

Proteins

Polysaccharide

Vitamins

50. Which of the following is not a carbohydrate?

Nuclic acid

Cellulose

Starch

Glycoyen

Page 3 of 4

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

Contain traces of necessary minerals

All are correct

Provides energy

Form new tissue or protoplasm

52. The main structure features of proteins is

An ether linkage

The peptide linkage

An ester linkage

All

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

300

350

150

100

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

Lewis

Schrodinger

Newton

Stadinger

55. Nylon 6,6 is a condensation polymer of

Phthalic acid and hexa ethylene diamine

Phthalic acid and glycerol

Adipic acid and hexaethylene diamine

Adipic acid and glycerol

56. Benedict solution gives a positive test with

Fructose

Sucrose

Starch

Glucose

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

Fructose

Starch

Glycogen

Maltose

58. Which of the following is a copolymer?

Teflon

Polythene

Bakelite

PVC

59. Which of the following is a polyamide?

Orion

Nylon

Terylene

Teflon

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

Thymine

Phosphoric acid

Adenine

Ribose

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

Nitrogen

Carbon

Hydrogen

Sulphur

62. Which of the following is synthetic polymer?

Protein

Rubber

Cellulose

Polythene

63. Vinyl flooring done using _________ sheets.

PVC

Polypropylene

Polyvinyl acetate

Polythene

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

Protection

Diffusion

Emulsification

Peptization

65. Celluloid is

Cellulose nitrate

Regenerated cellulose

Cellulose acetate butyrate

Cellulose acetate

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

Polyethene

Bakelite

Polystyrene

PVC

67. One gram of carbohydrate yields energy

4kcal

10kcal

100kcal

9kcal

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

20 – 35°C

35 – 55°C

10 – 15°C

55 – 70°C

69. _________ is an addition polymer

None of these

Bakelite

Nylon

Polythene

70. Terylene is made by polymerization of terephthalic acid with

Ethanol

None of these

Phenol

Ethylene glycol

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

Epo – enzyme

Activator

Co – enzyme

Inhibitor

72. Natural rubber is a polymer of

Butadiene

Isoprene

Styrene

Ethyne

73. Which one is a polymer compound?

SO₂

CH₄

CO₂

PVC

74. On hydrolysis of starch, we finally get

Both

Fructose

Sucrose

Glucose

75. Which of these polymers is an addition polymer?

Epoxy resin

Polystyrene

Nylon 6, 6

Terylene

Page 4 of 4

76. Daily protein intake for normal adults should be

0.5g/kg

0.2g/kg

0.8g/kg

1.1g/kg

77. Which is a protein?

Rayon

Natural silk

Terylene

Nylon

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

Amino acid sequence

Highly convoluted α-helix

Denaturation

α-helix

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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

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