MDCAT Chemistry Chapter 19 Macromolecules Online Test With Answers

MDCAT Chemistry Chapter 19 Macromolecules Online Test

Sr. # Questions Answers Choice
1 Deposition of cholesterol in arteries is responsible for:
 Heart attach <br> diabetes <br> hepatitis <br> cancer <br>
2 A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:
 1 2 4 6
3 Malt sugar is converted into glucose by an enzyme invertase present in yeast. The process is known as:
 dehydration <br> condensation <br> fermentation <br> oxidation <br>
4 An amion acid exists in the form of Zwitter-ioin which has:
one + ve charge <br> one -&nbsp; ve charge <br> one +ve and -ve charge<br> two +ve charge<br>
5 Which one is non-reducing sugar?
 sucrose <br> glucose <br> fructose <br> galactose <br>
6 Water soluble and cyrstalline carbohydrrates are:
 monosacharides <br> obiligoseacharides <br> polysacharides <br> a and b <br>
7 Per hydro cyclopentano phenathrene is the basic structure of all the:
 Proteins <br> vitamins <br> waxes <br> amines <br>
8 Sex harmones belong to a group of organic compounds called:
 heterocyclics <br> steroids <br> amino acids <br> amines <br>
9 Keratomalacia is caused due to the deficiency of vitamin:
 A B C K
10 Glucose forms a  polymer which is stored in liver the name of this polymer is:
 glycogen <br> starch <br> cellulose <br> arnylose <br>
11 An ester is prepared by:
 two alcohols<br> carboxylic acid and alcohol <br> ketone and alcohol <br> aldehyde and alcohol <br>
12 Glucose is a:
 ketohexose<br> aldohexose <br> meonosacharide <br> 'b' and 'c'<br>
13 A molecule of polysaccharide hydrolysis produces __________ molecules of:
 2 3 2-10 100
14 Rancidification of fast and oils is due to:
 hydrolysis reaction <br> oxidation reaction <br> both a and b<br> hydrogenation reaction <br>
15 Benedict solution gives a positive test with but catalyze the same reaction:
 fructose <br> glucose <br> starch <br> sucrose <br>
16 Isozymes are the enzymes which:
 have similar chemical properties<br> have similar physical properties <br> have different physical and chemical properties<br> have different physical and chemical properties <br>
17 Iodine number of an oil indicates its:
 molecular weight <br> purity <br> degree of unsaturation <br> acidic strength<br>
18 Elimination of molecular reactions usually obey:
 first order kinetics <br> second order kinetics <br> third order kinetic <br> zero order kinetic <br>
19 Sponification is the hydrolysis of fast or fats or4 oils with an/a:
 acid <br> alkali <br> enzyme <br> metallic ion <br>
20 A maltose molecule is formed by the combination of:
 two glucose molecules <br> one glucose and one fructose <br> molecule <br> one glucose and one galactose <br>
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