MDCAT Chemistry Chapter 19 Macromolecules Online Test With Answers

MDCAT Chemistry Chapter 19 Macromolecules Online Test

Sr. # Questions Answers Choice
1 A fat  or oil is characterized for extent of unsaturation by one of the following number. Which one is:
 acid number <br> saoilucfucation umber <br> rancidity number<br> iodine number <br>
2 Choose an addition polymer among the following:
 terylone <br> nylon 6,6 <br> polystyrene <br> epoxy resin <br>
3 Which one of the following is not type of polymer:
 copolymer <br> homopolymer <br> terpolymer <br> hereropolymer <br>
4 Which one of the following statements about glucose and sucrose is incorrect:
 both are soluble in water <br> both are naturally occurring <br> both are carbohydrates <br> both are disacharides<br>
5 The reaction between fat and NaOH is called:
 esterification <br> hydrogenolysis <br> fermentation <br> sponification <br>
6 Which one of the following enzymes brings about the hydrolysis of fats?
 urease <br> maltase <br> zymase <br> lypase <br>
7 Which one of the following is a water soluble vitamin?
 niacin <br> rioflavin <br> trypsin <br> ascorobic acid <br>
8 Which of the following is not a carbohydrate?
 nuclic&nbsp; acid <br> strach <br> glycoyen <br> cellulose <br>
9 One of the following is not a biopolymer,Point out that one:
 lipid <br> starch <br> diamond <br> protein <br>
10 The structure of a polymer depends upon how the monomer-repeating unit joins to makes a polymer, What is not the type of structure of a polymer?
 synthetic polymer<br> linear polymer <br> branched <br> cross linked or inter connected polymer <br>
11 Which one of the following element is not present in all proteins?
 carbon <br> hydrogen <br> nitrogen <br> sulphur&nbsp; <br>
12 Vegetables oils are:
 unsaturated fatty acids <br> glycerides of unsaturated fatty acids <br> glycerides of saturated fatty acids <br> essential oils obtained from plants<br>
13 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called:
 fiber <br> plastic <br> varnish <br> polyamide resin <br>
14 The fiber which is made from acrylonitrile as monomers:
 PVC rayon fiber <br> acrylic fiber <br> Polyester fiber <br>
15 Cholesterol is a precursor of steroid hormones, Choose the class of steroid:
 a carbohydrate <br> a hydrocarbon <br> a natural lipid<br> a protein a hydrocarbon <br>
16 Macromolecules or polymers are large molecules built up from small m0lecules known as monomers.This hypothesis put forward by:
 Newton <br> schrodinger <br> Lewis <br> Stadinger<br>
17 The molecular mass of a polymer is obtained by multiplying mass of the monomer unit with the degree of polymerization, The degree  of polymerization of PVC is 1000.What is molecular mass?
 65000 63000 62000 60000
18 Plastics are pollution problem because many plastics:
 are made from petroleum <br> are very inflammable <br> burn to produce toxic fumes<br> decompose to produce toxic products <br>
19 Which of these polymers is a synthetic polymer?
 animal fat <br> starch <br> cellulose <br> polyester <br>
20 Which of these polymers is an addition polymer?
 nylon 6,6<br> Polystyrene <br> terylene <br> epoxy resin <br>
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