MDCAT Chemistry Online Test With Answers

MDCAT Chemistry Online Test

Sr. # Questions Answers Choice
1 The % age of nitrogen in ammonia is:
 80% 92% 90% 50%
2 Ammonium nitrate fertilizer is not used for which crop:
 cotton <br> wheat <br> sugar cane <br> paddy rice <br>
3 During the manufacturing process of cement the temperature of the decomposition zone goes up to:
 600°C 800°C 1000°C 1200°C
4 The number paper industries in Pakistan are:
 30 25 35 20
5 Which substance among the following used in points to improve the mechanical properties?
 filter <br> binder <br> pigment <br> stablizer <br>
6 Phosphorus is very useful in the growth of:
 leave <br> stem <br> seed <br> root <br>
7 Which fiber contains 85% acrylonitrile by weght?
 azlon fiber <br> saran fiber <br> acrylic fiber <br> rayon fiber <br>
8 Choose the difference between natural and synthetic fertilizers:
 shapes <br> usage <br> crop application <br> raw material <br>
9 Sponification is the hydrolysis of fats or oil with an:
 &nbsp;alkali <br> base <br> enzyme <br> metallic ion <br>
10 Per hydro cyclopentanone phenantherene is the basic structural of all the.
Waxes <br> vitamins <br> proteins <br> steroids <br>
11 Rancidification of facts and oils is due to:
 oxidation reaction <br> hydrolysis reaction <br> both a and b <br> hydrogenation reaction <br>
12 One gram of Carbohydrate yield energy:
 4Kcal <br> 9Kcal <br> 10Kcal <br> 100Kcal <br>
13 Cyclonite is a powerful:
 explosive <br> antiseptic <br> analgesic <br> anti-inflammatory <br>
14 Methyl butyrate has an smell of:
 apple <br> pine apple <br> banana <br> winter green <br>
15 Which one of the following organic acids is made form methanol?
 acetic acid <br> bothanic acid <br> formic acid <br> propanoic acid <br>
16 Most animals can not digest:
 starch <br> cellulose <br> proteins <br> glucose <br>
17 A molecule of polysaccharide on hydrolysis produces _________ molecules of monosacharides:
 many <br> Few<br> 2-10 100
18 Deposition of cholesterol in arteries is responsible for:
 Heart attach <br> diabetes <br> hepatitis <br> cancer <br>
19 A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:
 1 2 4 6
20 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>
21 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>
22 Which one is non-reducing sugar?
 sucrose <br> glucose <br> fructose <br> galactose <br>
23 Water soluble and cyrstalline carbohydrrates are:
 monosacharides <br> obiligoseacharides <br> polysacharides <br> a and b <br>
24 Per hydro cyclopentano phenathrene is the basic structure of all the:
 Proteins <br> vitamins <br> waxes <br> amines <br>
25 Sex harmones belong to a group of organic compounds called:
 heterocyclics <br> steroids <br> amino acids <br> amines <br>
26 Keratomalacia is caused due to the deficiency of vitamin:
 A B C K
27 Glucose forms a  polymer which is stored in liver the name of this polymer is:
 glycogen <br> starch <br> cellulose <br> arnylose <br>
28 An ester is prepared by:
 two alcohols<br> carboxylic acid and alcohol <br> ketone and alcohol <br> aldehyde and alcohol <br>
29 Glucose is a:
 ketohexose<br> aldohexose <br> meonosacharide <br> 'b' and 'c'<br>
30 A molecule of polysaccharide hydrolysis produces __________ molecules of:
 2 3 2-10 100
31 Rancidification of fast and oils is due to:
 hydrolysis reaction <br> oxidation reaction <br> both a and b<br> hydrogenation reaction <br>
32 Benedict solution gives a positive test with but catalyze the same reaction:
 fructose <br> glucose <br> starch <br> sucrose <br>
33 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>
34 Iodine number of an oil indicates its:
 molecular weight <br> purity <br> degree of unsaturation <br> acidic strength<br>
35 Elimination of molecular reactions usually obey:
 first order kinetics <br> second order kinetics <br> third order kinetic <br> zero order kinetic <br>
36 Sponification is the hydrolysis of fast or fats or4 oils with an/a:
 acid <br> alkali <br> enzyme <br> metallic ion <br>
37 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>
38 Monohalo derivatives of alkanes are called:
 two glucose molecules <br> alkyl halide <br> alkenes <br> imide <br>
39 Starch gives ________ color with iodine:
 blue <br> red <br> yellow <br> green <br>
40 In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called:
 metamers <br> position isomers <br> cis-trans <br> annomers <br>
41 Anline is a derivative of:
 alkane <br> alkene <br> aromatic hydrocarbon <br> alicyclic <br>
42 Enzymes that catalyse the transfer of groups within the molecules are called:
 transferases <br> isomerases <br> ligases <br> lyases <br>
43 The fat soluble vitamins are:
 A and B<br> B and C<br> C and D<br> A and D<br>
44 Potency and turn over are terms related to:
 enzymes <br> proteins <br> fats <br> oils <br>
45 The optimum pH value for the enzyme ''Pepsin'' is:
 2 8 10 1.4
46 Amino acids are building material of:
 lipids <br> protein <br> carbohydrates <br> fats <br>
47 Monosacharides belong to the group:
 fats <br> lipids <br> carbhohydrates <br> proteins <br>
48 Which one is monosacharide?
 starch <br> glucose <br> maltose <br> sucrose <br>
49 pH value of pepsin is:
 3 2 4 1.4<br>
50 In the body fats are hydrolysed into:
 fatty acid and water <br> fatty acid <br> glycerol and water <br> acid and glycerol <br>
51 Steroid belong to the family of:
 protein <br> enzyme <br> lipids <br> carbohydrates <br>
52 In the body carbohydrates are broken down into:
 glucose <br> fatty acids <br> amino acids <br> nucleic acid <br>
53 Digestion of carbohydrates begins in the:
 large intestine <br> small intestine <br> duuoderium<br> beccal cavity/mouth <br>
54 On hydrolysis sucrose gives:
 glucose and maltose <br> fructose and lactose <br> fructose and maltose <br> glucose and Fructose <br>
55 Monosacharide belongs to the groups:
 fats <br> carbohydrates <br> lipids <br> proteins <br>
56 Daily protein intake for normal adults should be:
 0.2g/kg <br> 0.5g/kg 0.8g/kg <br> 1.1g/kg <br>
57 The energy produced by a carbohydrate is:
 3 kcal/gm <br> 2kcal/gm <br> 6kcal/gm <br> 4kcal/gm<br>
58 Benedict solution gives a positive test with:
 glucose <br> frutose <br> sucrose <br> starch <br>
59 polymerisation of vinyl chloride gives PVC:
How does the carbon-carbon  bond in PVC compare with that in chloroethene?
 longer and stronger <br> fructose <br> sucrose <br> starch <br>
60 one gram of carbohydrate yields energy:
 10kcal <br> 100kcal <br> 4kcal <br> 9kcal <br>
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