MDCAT Chemistry Online Test With Answers

MDCAT Chemistry Online Test

Sr. # Questions Answers Choice
1 Albumin is Insoluble in water Heat coagulable protein A plant protein A protein of low biological value
2 Protein of high biological value Contains essential amino acids Is poor in essential amino acids Is of plant source Contains amino acid glycine e. Is a basic protein
3 Example of essential aromatic amino acids Theronine Alanine Phenyl alanine Glycine
4 Covalent bond is A weak bond A true chemical bond A hydrogen bond Responsible for secondary structure of protein
5 Fourth structure of protein structure refers to Proteins formed of more than one monomer Myoglobin is an example Depends on covalent bonds None of these
6 Third structure of protein structure refers to Number and sequence of amino acids Three dimensional structure of protein Proteins formed of more than one monomer Bending of protein molecule
7 Second order of protein structure refers to Number and sequence of amino acids Three dimensional structure of protein Proteins formed of more than one monomer Bending of protein molecule
8 First order of protein structure refers to Bending of protein chain Number and sequence of amino acids Three dimensional structure of protein Site of disulfide bonds
9 The peptide bond is Glycine Non-covalent bond Weak bond Responsible for secondary structure of protein
10 The active group of glutathione is Amino group Sulfhydryl group Carboxylic group Imino group
11 All amino acids are optically active except Amino acid Series Threonine Tryltophan
12 Example of non-protein amino acid Alanine Citrulline Phenylalanine Leucine
13 Example of basic essential amino acids Arginine Histidine Lysine All of the above
14 Separation of low molecular weight protein from high one is Dialysis Cromotography Electrophoiesis Ultracentrifugation
15 Increase viscosity of proteins is due to Denaturation Isoelectric point Both None
16 Casenogen is Chromoprotein Phosphoprotein Glycoprotein Lipoprotein
17 Which of the following is sulphur highly containing protein Collagen Keratin Ossein Reticulin
18 All of the following are simple proteins except Histones Albumin Keratins Glycoprotein
19 Tertiary structure of proteins involves EXCEPT Domains Globular Fibrous Beta sheets
20 Amino acid which synthesized many hormones is Valine Phenylalanine Alanine Histidine
21 Primary structure of proteins refers to Coiling and folding in form of specific structure Number of amino acids in a chain 3d structure Alpha and Beta sheets
22 All of the following are non covalent except Hydrophobic interactions Disulphide bond Hydrogen bond Electrostatic bond
23 Type of bond between nitrogen and carbonyl group Hydrogne bonds Covalent bond Peptide bond Disulphide bond
24 Types of bonds between C terminal and N terminal is Covalent Disulphide bond Peptide Ionic
25 Which of the following protien is found in bone Keratin Ossein Mucin Actin
26 Storage form of iron Transferrin Ferritin Myosin Actin
27 Which of the following is BLOOD iron carrier Haemoglobin Albumin Transferrin Globulin
28 N terminal of glutathione is Glycine Cysteine Glutamate Aspartate
29 Lactic acid is buffered by L. Carnosine Glutathione Casenogin Dopa
30 The unit of peptides is Moiety Residue Polypeptide Both A and B
31 Zwitter ion are Basic Acidic Neutral Carry both -ve and +ve charges
32 Which of the following is precursor of T3 and T4 Gaba Dopa B-Alanine Di-iodotyrosine
33 All of the following are primary aminoacids except Cysteine Cystine Alanine Arginine
34 Lysine Basic Only ketogenic Ketogenic glucogenic Acidic glucogenic Non essential
35 All of the following are essential amino acids except Lysine Aspartate Tryptophan Hisitidine
36 All of the following are polar amino acids except Serine Glutamate Arginine Alanine
37 One of the following is potically non active amino acid Valine Tyrosine Glycine Theronine
38 All of the following are hydroxy containing amino acids except Serine Threonine Valine Tyrosine
39 One of the following is neutral amino acid Arginine Lysine Glutamine Valine
40 All of the following are aliphatic amino acids except Glycine Alanine Proline Lysine
41 NO. of naturally occuring aminoacids is 10 20 30 40
42 Which of the following is most found in protein molecule Carbon Hydrogen Oxygen Nitrogen
43 The respiration process taking place in animals depends on a difference in  Partial pressure Osomotic pressure Vapour pressure Atomospheric pressure
44 A chemist says that glass must be a super cooled liquid. the reason that he might have in his mind is that glass has: Definite shape Definite volume Crystalline structure No crystalline structure
45 The bonding occurs among polar covalent molecules containing H and one of the small electronegative element such as O,F or N is called: Ionic bonding Metallic bonding Bridge bonding H-bonding
46 0.1M HCI having pH =1.0 it is about 100 time stronger than acetic acid what will be the pH of acetic acid: 0.1  1.3 2 3
47 Chemical equilibrium involving  reactants and products in more than one phase is called: Homogeneous  Heterogeneous  Dynamic Static
48 The morality of the solution containing x grams ammonium sulfate in 500cm3 of the solution is 0.6 what is x? 39.6 40.5 42.7 45.1
49 What is the morality of a solution containing 15g of urea is 500cm3 of solution? 1M 0.5M 2M 1.5M
50 Which is the following is true about galvanic cell: Reduction occurs at cathode Reduction occurs at anode Anode is negatively charged Chathode is positively charged
51 Lanthanides an actinides belong to following group of periodic table: IB VIIIB IIB IIIB
52 The Catalyst used in the contact tower for the manufacture of H2SO4  is easily poisoned by: Nitrous oxide Nitrogen gas Arsenic oxide  Carbon dioxide 
53 Alkali metals react viotlently with halogens: Halides Anhydrides Hydrides None of the above
54 Boron, aluminium, gallium, indium and thallium belong to group lll-A of the periodic table show a decrease with increasing relative atomic mass: Ionic character of the compounds The first ionization energy  The basic character of the oxides The stability of +2 oxidation
55 Ozone is an allotropic form of: Carbon Phosphorus Oxygen  Sulfur 
56 Electropositive character increases down the groups due to: Increase in atomic size of the elements Decrease in ionization potential Decreases in electromagnetically of the element All the above
57 Which of spectral lines when atoms are subjected to strong electric field is called: Compton effect Stark effect Zeeman effect Photoelectric effect
58 Splitting of spectral lines when atoms are subjected to strong electric field is called: Compton effect Stark effect Zeeman effect Photoelectric effect
59 The force which hold the atoms together to form a compound is called: Dispersion forces London forces A chemical bond Ven der wall's forces
60 Which one of the following is an organic compound? Calcium carbide Calcium cyanide Carbon disulphide None of these 
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