MDCAT Chemistry Online Test With Answers

MDCAT Chemistry Online Test

Sr. # Questions Answers Choice
1 Digestion of carbohydrates begins in the large intestine Small intestine Duoderium Buccal cavity / mouth
2 On hydrolysis sucrose gives Glucose and maltose Fructose and lactose Fructose and maltose Glucose and fructose
3 Monosacharide belong to the group Fats Carbohydrates Lipids Proteins
4 Daily protein intake for normal adults should be 0.2 g/kg 0.5 g/kg 0.8 g/kg 1.1 g/kg
5 The energy produced by a carbohydrate is 3 kcal/gm 2 kcal / gm 6kcal / gm 4 kcal/ gm
6 Benedict solution gives a positive test with Glucose Fructose Sucrose Starch
7 In cyclic structure of glucose when the position of atoms on Carbon 1 is altered one isomer changes to other. These isomers of glucose are called Annomers Position isomers Meta-mess Cis-trans isomers
8 One gram of carbohydrate yields energy 10 kcal 100 kcal 4 kcal 9 kcal
9 A molecule of polysacharide on hydrolysis produces ______ molecules of monosacharide 2 - 10 3 10 2
10 Keratomalacia is caused due to the deficiency of vitamin A K B D
11 Which one of the following organic acids is made from methanol Propanoic acid Butanoic acid Formic acid Acetic acid
12 A complete food contains at least Three nutrients Ten nutrients Six nutrients Ten nutrients
13 Which substances do not react immediately with bromine water Wthane Benzene Ethene Phenol
14 Coenzymes are the species which increase the activity of enzymes. They are chemically Metal ions non-metals Organic acids Organic bases
15 The optimum pH value for the enzyme pepsin is 10 1.4 8 6
16 Which is the optimum temperature for the activity of enzyme 20 - 35°C 10 - 15°C 55 - 70°C 35 - 55°C
17 Starch is a polymer of Sucrose Fructose <span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 224);"><i>α</i></span>-D-Glucose Lactose
18 Nylon 6, 6 is a condensation polymer of Phthalic acid and hexa ethylene diamine Adipic acid and hexaethylene diamine Phthalic acid and glycerol Adipic acid and glycerol
19 Which one among the following is not a natural polymer Protein Cellulose Nylon Nucleic acid
20 Plastic are a pollution problem because many plastics Burn to produce toxic fumes Decompose to produce toxic products Are made from petroleum Are very inflammable
21 The mechanism of polymerization involves free radical addition polymerization or condensation polymerization. Choose the correct statement Polyester is an addition polymer Polythene is an addition polymer Polyvinyl chloride (PVC) is a condensation polymer Polystyrene
22 Thermoplastic polymer can be softened and hardened when cool repeatedly. Which one is not a thermoplastic among the following Epoxy resin PVC Plastic toys None of all
23 Lipids are naturally occurring compounds produced in cell and are water insoluble but soluble in organic solvents. One of the followings is not a lipid. Select among the following Nucleic acid A triglyceride Sterol Vitamin D
24 A fat or oil is characterized for extent of unsaturation by one of the following number. Which one is Acid number Saoilucfucation number Rancidity number Iodine number
25 Choose an addition polymer among the following Terylone Nylon 6, 6 Polystyrene Epoxy resin
26 Which one of the following is not type of polemer Copolymer Homopolymer Terpolymer Heteropolymer
27 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 disacharides
28 The reaction between fat and NaOH is called Esterification Hydrogenolysis Fermentation Sponification
29 Which one of the following enzymes brings about the hydrolysis of fats Urease Maltase Zymase Lypase
30 Which one of the following is a water soluble vitamin Niacin Riboflavin Trypsin Ascobic acid
31 Which of the following is not an inorganic macromolecule Graphite Sand Strach Diamond
32 Which of the following is not a charbohydrate Nuclic acid Starch Glycoyen Cellulose
33 One of the following is not a biopolymer. Point out that one Lipid Starch Diamond Protein
34 The structure of a polymer depends upon how the monomer-repeating unit joins to make a polymer. What is not the type of structure of a polymer Synthetic polymer Linear polymer Branched Cross linked or inter connected polymer
35 Which one of the following elements is not present in all protens Carbon Hydrogen Nitrogen Sulphur
36 Vegetables oils are Unsaturated fatty acids Glycerides of unsaturated fatty acids Glycerides of saturated fatty acids Essential oils obtained from plants
37 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called Fibre Plastic Varnish Polyamide resin
38 The fibre which is made from acrylonitrile as monomers PVC Rayon fibre Acrylic fibre Polyester fibre
39 Cholesterol is a precursor of steroid hormones. Choose the class of steroid A carbohydrate A hydrocarbon A natural lipid A protein a hydrocarbon
40 Macromolecules or polymers are large molecules built up from small molecules known as monomers. This hypothesis put forward by Newton Schrodinger Lewis Stadinger
41 The molecular mass of a polymer is obtained by multiplying mass of the monomer unit the degree of polymerization. The degree of polymerization of PVC is 1000. What is molecular mass 65000 63000 62000 60000
42 Plastics are pollution problem because many plastics Are made from petroleum Are very inflammable Burn to produce toxic fumes Decompose to produce toxic products
43 Which of these polymers is a synthetic polymer Animal fat Strach Cellulose Polyester
44 Which of these polymers is an addition polymer Nylon 6, 6 Polystyrene Terylene Epoxy resin
45 In which of the following processes are small organic molecules made into macromolecules The cracking of petroleum fractions The fractional distillation of crude oil The polymerization of ethene The hydrolysis of protein
46 Denaturation of protein means the structure of protein is disrupted indicate which factor does not denature protein Oxidizing agent Heat protein Keeping pH 7.35 pH changes
47 In which of these processes are smell organic molecules changed into macromolecules The fractional distillation of crude oil The cracking of petroleum fraction The hydrolysis of proteins The polymerization
48 Which of these polymers is a synthetic polymer Starch Animal fat Polyester in an addition polymer Cellulose
49
Major cause of SO2 on global scale is
 <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Volcanoes</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Electric sparks</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Combustion</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">All</span>
50 Residence time of methane in the atmosphere is <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">3 - 7 days</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">2 -3 days</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">3 - 7 years</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">2 - 3 years</span>
51
Which of the following is not a secondary pollutant
 <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Ozone</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Carbonic acid</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Sulphuric acid</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Carbon dioxide</span>
52
Three elements needed for the healthy growth of plants are
 <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">N P K</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">N K C</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">N S P</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">N Ca P</span>
53 Requirement of macronutrient per acre of the land is <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">5 to 200 kg</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">20-200 kg</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">200-400 kg</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">30-400 kg</span>
54 Which of the following is a macronutrient? <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Boron</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Iron</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Copper</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Carbon</span>
55
Which of the following is not a heavy industry?
 <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Iron</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Fertilize</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">Paper</span> <span style="color: rgb(0, 0, 0); font-family: Verdana, Tahoma; font-size: 12px;">None</span>
56 Water exist in only <span style="font-size: 0.95em;">One state</span> <span style="font-size: 0.95em;">Two state</span> Three states <span style="font-size: 0.95em;">4 states</span>
57 Hard water can block radiators due to formation of <span style="font-size: 0.95em;">Insoluble calcium and magnesium salts</span> <span style="font-size: 0.95em;">Insoluble sodium salts</span> <span style="font-size: 0.95em;">In soluble phosphate salts</span> <span style="font-size: 0.95em;">Insoluble potassium salts</span>
58 Addition of washing soda removes <span style="font-size: 0.95em;">Softness of water</span> <span style="color: rgb(0, 0, 0); font-size: 0.95em;">Temporary hardness of water</span><br> <span style="font-size: 0.95em;">Permanent hardness of water</span> <span style="font-size: 0.95em;">Hydrogen from water</span>
59 Temporary hardness can be removed by adding <span style="font-size: 0.95em;">Lime</span> <span style="font-size: 0.95em;">Carbon</span> <span style="font-size: 0.95em;">Oxygen</span> <span style="font-size: 0.95em;">Slaked lime</span>
60 Hardness which can be removed by boiling is called <span style="font-size: 0.95em;">Permanent hardness</span> <span style="font-size: 0.95em;">Temporary hardness</span> <span style="font-size: 0.95em;">Stiffness</span> <span style="font-size: 0.95em;">Toughness</span>
Download This Set

Is this page helpful?