MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test With Answers

MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

Sr. # Questions Answers Choice
1 Which one of the following elements is not present in all proteins? carbon hydrogen nitrogen sulphur
2 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a fibre plastic varnish polyamide resin
3 A fibre which is made from acrylonitrile as monomer PVC rayon fibre acrylic fibre polyester fibre
4 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
5 Which of these polymers is a synthetic polymer? animal fat starch cellulose polyester
6 Which of these polymers is an addition polymer? nylon 6,6 polystyrene terylene epoxy resin
7 The polymers which can not be re-softened again and again are called Thermoplastic Thermosetting Both a and b None
8 Which is not a steroid Cholesterol Ergosterol Phospholipids None of these
9 A fat or oil is characterised for extent of unsaturation by one of the following number,which one rancidity number acid number iodine number saponicfication number
10 Naturally occuring lipids are called Fats Protein Steroids None
11 Denaturation of protein means the structure of protein is distrupted. indicate which factor does not denature protein heating protein pH changes oxidising agent keeping pH 7.35
12 The temp and pressure used for PVC polymerization is 10<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 10 atm</span> 20<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 20 atm</span> 52<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 9 atm</span> 100<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 10 atm</span>
13 Which of the following polymers is used for weather resistant paints acrylic resins polyvinyl acetate polystyrene PVC
14 Nylon, 6,6 is a condensation polymer of adipic acid and glycol phthalic acid and glycol adipic acid and hexaethylene diamine phthalic acid and hexaethylene diamine
15 Which polymerization is free radical mechanism based Addition Condensation Both a and b None
16 The polymers which can be re-softened again and again are called Thermoplastic Thermosetting Both a and b None
17 One of the following is not type of polymer homopolymer copolymer heteropolymer terpolymer
18 The temp. and pressure used for PVC polymerization is 10<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 10 atm</span> 20<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 20 atm</span> 52<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 9 atm</span> 100<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C and 10 atm</span>
19 The other name for cross linked polymers is Linear polymer Branched polymers Inter connected polymers None of these
20 organic synthetic or man made polymers are plastics, rubber and fibre, Which is not a synthetic polymer silk polyester polyvinyl chloride (PVC) nylon
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