MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test With Answers

MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

Sr. # Questions Answers Choice
1 Which property is not present in lipids? Liquid Solid and semi solid Soluble in water Form emulsion
2 An oil of fat with no double bond have iodine number: Zero 100% 50% Minimum
3 The steroids of fungi and yeast are called: Vitamin D Vitamin D<sub>2</sub> Ergosterol Cholesterol
4 Which behaves as insulator for animals body? Carbohydrates Proteins Fats Skin
5 Which one of the following statements about Glucose and sucrose is incorrect? Both are soluble in water Both are naturally occurring Both are carbohydrates Both are disaccharides
6 The reaction between fat and NaOH is called? Esterification Hydrogenolysis Fermentation Sponification
7 Which one of the following enzymes brings about the hydrolysis of fats? Urease Maltase Zymase Lypase
8 Which one of the following is water soluble vitamin? Niacin Riboflavin Trypsin Ascorbic acid
9 Which one of following elements is not present in all proteins? Carbon Hydrogen Nitrogen Sulphur
10 Vegetable oils are: Unsaturated fatty acids Glycerides of unsaturated fatty acids Essential oils obtained from plants
11 A polymeric substance that is formed in the liquid state and then hardened to a liquid solid us called as: Fibre Plastic Varnish Polyamide resin
12 The fibre which is made from acrylonitrile as monomer: PVC Rayon fibre Acrylic fibre Polyester fibre
13 Plastics are a pollution problem because many plastics: Are made from petroleum Are very inflammable Burn to produce toxic fumes Decompose to produce toxic products
14 Which of these polymers is a synthetic polymer? Animal fat Starch Cellulose Polyester
15 Which of these polymers is and addition polymer? Nylon-6, 6 Polystyrene Terylene Epoxy resin
16 In which of these processes are small organic molecules made into macro-molecules? The cracking of petroleum fractions The fractional distillation of crude oil The polymerization of ethane The hydrolysis of proteins
17 The trade name of polytereafluoroethylene (PTFE) is Teflon PVC terelene polyester
18 The main source of natural fibre is animal fibres vegetables fibres mineral fibres all of the above
19 The fibre which is made from vinylidine chloride polymer is called rayon fibre azlon fibre acetate fibre all of the above
20 Formation of PVC form vinyl chloride is an example of substitution reaction addition polymerization condensational reaction Aldol condensation
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