UHS MDCAT 2014
Click "Reveal" on any question to see the correct answer.
Biology
85 MCQs-
1UHS MDCAT 2014
The use of living organisms in industry for the production of useful products is known as:
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2UHS MDCAT 2014
Plants having foreign DNA incorporated in their cells are called:
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3UHS MDCAT 2014
Treatment by using attenuated culture of bacteria is called _.
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4UHS MDCAT 2014
The major cause of hepatitis B is _.
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5UHS MDCAT 2014
During animal cell division, the spindle fibres are formed from:
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6UHS MDCAT 2014
Which component of the cell is concerned with cell secretions?
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7UHS MDCAT 2014
During which period of interphase (cell cycle) DNA is synthesized?
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8UHS MDCAT 2014
Peptidoglycan or murein is a special or distinctive feature of the cell wall in:
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9UHS MDCAT 2014
In mitochondria, small knob-like structures called F1 particles are found in:
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10UHS MDCAT 2014
The most critical phase of mitosis which ensures equal distribution of chromatids in the daughter cells is:
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11UHS MDCAT 2014
Non-disjunction of the 21st pair of chromosomes in one of the gametes leads to 47 chromosomes in one individual. This condition is called
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12UHS MDCAT 2014
The intake of liquid materials across the cell membrane is:
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13UHS MDCAT 2014
Which one of the following is the site of oxidative phosphorylation in mitochondria?
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14UHS MDCAT 2014
Organelle involved in the synthesis of ATP is
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15UHS MDCAT 2014
The most common respiratory substrate as an energy source is:
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16UHS MDCAT 2014
The simplest monosaccharide containing keto group is:
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17UHS MDCAT 2014
If the genetic code is made up of three nucleotides, then total possible genetic codes will be:
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18UHS MDCAT 2014
Waterproof surfaces like cuticle of leaf and protective covering of an insect’s body are
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19UHS MDCAT 2014
In translation, the terminating codon is:
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20UHS MDCAT 2014
All coenzymes are derived from
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21UHS MDCAT 2014
The competitive inhibitors have structural similarity with:
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22UHS MDCAT 2014
Which one of the following is the optimum pH of pancreatic lipase enzyme?
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23UHS MDCAT 2014
A cofactor tightly bound to the enzyme on the permanent basis is called:
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24UHS MDCAT 2014
Which of the following cells are mainly infected by HIV?
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25UHS MDCAT 2014
Which one of the following antibiotics causes permanent discoloration of teeth in young children if it is misused?
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26UHS MDCAT 2014
What are the sequences of steps in which a bacteriophage attacks bacteria and injects its DNA?
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27UHS MDCAT 2014
Athlete’s Foot is a disease caused by
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28UHS MDCAT 2014
Ascaris is which one of the following?
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29UHS MDCAT 2014
Polymorphism is a feature exhibited by members of:
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30UHS MDCAT 2014
_is a process by which the cell takes in fluids along with dissolved small molecules. In this process, the cell membrane folds and creates small pockets and captures the cellular fluid and dissolved substances.
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31UHS MDCAT 2014
Which one of the following is an example of a free living carnivorous flatworm?
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32UHS MDCAT 2014
The sources of staple food for man are plants that belong to the family:
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33UHS MDCAT 2014
In humans, Escherichia coli is involved in the formation of?
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34UHS MDCAT 2014
The function of Goblet cells is to secrete:
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35UHS MDCAT 2014
Gastric glands are composed of _ types of cells.
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36UHS MDCAT 2014
HCL in gastric Juice is secreted by which one of the following cells?
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37UHS MDCAT 2014
Histamine is produced by which one of the following cells
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38UHS MDCAT 2014
Which one of the following is the most numerous / commonest of white blood cells
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39UHS MDCAT 2014
The oxygenated blood from lungs to heart is transport by the:
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40UHS MDCAT 2014
Which one of the following proteins takes part in blood clotting
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41UHS MDCAT 2014
Which one of the following is responsible for the production of concentrated urine
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42UHS MDCAT 2014
Reabsorption of useful constituents normally takes place in which one of the following
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43UHS MDCAT 2014
Which one of the following parts of the excretory system in humans acts as a countercurrent multiplier?
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44UHS MDCAT 2014 Sindh MCAT NTS 2010 LUMHS
Antidiuretic Hormone (ADH) is released from:
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45UHS MDCAT 2014
Which one of the following is the main nitrogenous waste product in humans?
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46UHS MDCAT 2014
The right and left cerebral hemispheres are connected by a thick band of nerve fibres called
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47UHS MDCAT 2014
The part of the brain that guides smooth and accurate motions and maintains body position is called
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48UHS MDCAT 2014
Which one of the following is the effect of a sympathetic nervous system?
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49UHS MDCAT 2014
High levels of aluminium may contribute to the onset of which one of the following?
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50UHS MDCAT 2014
Testosterone is produced by which one of the following:
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51UHS MDCAT 2014
The oocyte released during ovulation is in:
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52UHS MDCAT 2014
Yellowish glandular structure formed after the release of egg from follicle is called:
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53UHS MDCAT 2014
On puberty, the development of primary follicles is stimulated by:
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54UHS MDCAT 2014
Causative agent of a sexually transmitted disease that affects mucous membrane of the urogenital tract is:
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55UHS MDCAT 2014
In a human vertebral column, the number of _ vertebrae is 7.
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56UHS MDCAT 2014
Which one of the following structures holds the bones together:
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57UHS MDCAT 2014
Which one of the following cartilages is the most abundant in the human body:
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58UHS MDCAT 2014
The repeated protein pattern of myofibrils is called:
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59UHS MDCAT 2014
When more energy is required in muscle contraction then that energy can also be produced by _ as a secondary source.
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60UHS MDCAT 2014
Which one of the following is a steroid hormone?
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61UHS MDCAT 2014
The gonadotropic hormones of the anterior lobe of the pituitary include:
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62UHS MDCAT 2014
How many iodine atoms are present in thyroxine T4?
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63UHS MDCAT 2014
T-lymphocytes recognize antigens and attack microorganisms or transplanted organs and tissues. This effect is called
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64UHS MDCAT 2014 UHS MDCAT 2013
Which part of the antibody recognizes the antigen during immune response?
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65UHS MDCAT 2014
What type of immunity is achieved by injecting antibodies, antiserum, anti-venom serum
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66UHS MDCAT 2014
Which one of the following glands is involved in the production of lymphocytes:
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67UHS MDCAT 2014
Antibodies are proteins and made up of how many polypeptide chains
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68UHS MDCAT 2014
Oxidative phase of glycolysis starts with dehydrogenation of:
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69UHS MDCAT 2014
In one turn, the Krebs’s cycle produces one molecule of ATP, one molecule of FADH2 and _ molecules of NADH.
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70UHS MDCAT 2014
Which one of the following is the stage of cellular respiration for which oxygen is not essential:
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71UHS MDCAT 2014
Pyruvate, the end product of glycolysis moves from cytosol to mitochondrial matrix where it is oxidized into _ producing CO2 as a by-product.
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72UHS MDCAT 2014
pBR 322 have antibiotic resistance gene for:
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73UHS MDCAT 2014
Cystic Fibrosis affects which one of the following cells of the body?
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74UHS MDCAT 2014
The enzymes which act as molecular scissors in recombinant DNA technology is
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75UHS MDCAT 2014
Which of the following is the correct sequence of PCR?
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76UHS MDCAT 2014
When two different pieces of DNA are joined together, the result is which one of the following?
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77UHS MDCAT 2014
Individual successions are known as
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78UHS MDCAT 2014
Which one of the following is the ultimate distributional unit within which a species is restrained by the limitations of its physical structure and physiology?
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79UHS MDCAT 2014
All herbivores belong to which trophic level in the food chain?
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80UHS MDCAT 2014
How many food chains are present in the following food web?
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81UHS MDCAT 2014
The relationship in which one organism gets benefit and the other is not affected is called
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82UHS MDCAT 2014
In male the sex determining gene is
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83UHS MDCAT 2014
A gene which affects two or more unrelated characteristics is called
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84UHS MDCAT 2014
Position of a gene within a DNA molecule is
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85UHS MDCAT 2014
Sickle cell anemia is a type of
Chemistry
56 MCQs-
86UHS MDCAT 2014
A polymer of empirical formula CH2 has molar mass of 28000 gmol-1. Its molecular formula will be:
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87UHS MDCAT 2014
The number of molecules in 9 g of ice (H2O) is:
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88UHS MDCAT 2014
At a given temperature and pressure, the one which shows marked deviation from ideal behavior is:
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89UHS MDCAT 2014
According to the number of protons, neutrons and electrons given in the table, which one of the following options is correct?
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90UHS MDCAT 2014
If the e/m value of electron is 1.7588 x 1011 C/kg, then what would be the mass of electron in grams (charge on electron is 1.6022 x 10-19 coulombs)?
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91UHS MDCAT 2014
The suitable representation of dot structure of chlorine molecule is :
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92UHS MDCAT 2014
When the two partially filled atomic orbitals overlap in such a way that the probability of finding electron is maximum around the line joining the two nuclei, the result is the formation of
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93UHS MDCAT 2014
What will be the enthalpy change in the reaction given below?2H2 + O2→ 2H2O ∆H = +205.5 kJ mol-1
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94UHS MDCAT 2014
The value of equilibrium constant (Kc) for the reaction 2HF(g) ⇌ H2(g) + F2(g) is 10-13 at 2000°C. Calculate the value of Kp for this reaction:
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95UHS MDCAT 2014
The vapor pressure lines for pure as well as solutions of different concentrations are shown. Which line represents pure water?
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96UHS MDCAT 2014
In SO4-2 the oxidation number of Sulphur is:
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97UHS MDCAT 2014
Coinage metals Cu, Ag, and Au are the least reactive because they have:
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98UHS MDCAT 2014
What will be the pH of a solution of NaOH with a concentration of 10-3 M?
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99UHS MDCAT 2014
If the reactant or product of a chemical reaction can absorb ultraviolet, visible or infrared radiation, then the rate of a chemical reaction can best be measured by which one of the following methods?
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100UHS MDCAT 2014
For the reaction 2NO + O2 ⇌ 2NO2, the rate equation for the forward reaction is:
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101UHS MDCAT 2014
Radon is _ emitter and being radioactive is used in _ treatment in radiotherapy.
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102UHS MDCAT 2014
One mole of glucose was dissolved in 1 kg of water, ethanol, ether, and benzene separately and the molal boiling point constant of each solution was found to be 0.52, 1.75,2.16, and 2.70 in the units of / °C kg mol-1 respectively. Which of the following figures shows benzene as a solvent in solution?
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103UHS MDCAT 2014
The trends, in melting points of the elements of the 3rd period, are depicted in the figure below.The sharp decrease observed from ‘Si’ to ‘P’ is due to
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104UHS MDCAT 2014
Arrange the following elements according to the trend of ionization energies. (C, N, Ne, B)
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105UHS MDCAT 2014
Which one of the following noble gases are used for providing an inert atmosphere for welding?
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106UHS MDCAT 2014
The electronic configuration of Manganese (Mn) is
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107UHS MDCAT 2014
The percentage of carbon in different types of iron products is in the order of
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108UHS MDCAT 2014
Which one of the following is the correct equation of 1st ionization of sulphuric acid?
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109UHS MDCAT 2014
Which one of the following is the correct chemical reaction for Ammonia formationby Haber process?
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110UHS MDCAT 2014
The pH of acid rain is:
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111UHS MDCAT 2014
Which one of the following products is obtained when sulphur trioxide is absorbed inconcentrated sulphuric acid?
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112UHS MDCAT 2014
Which one of the following pair of compounds is cis and trans isomers of eachother?
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113UHS MDCAT 2014
Which one of the following compounds is a ketone?
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114UHS MDCAT 2014
Addition of unsymmetrical reagent to an unsymmetrical alkene is governed by:
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115UHS MDCAT 2014
Ethylene glycols are used as:
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116UHS MDCAT 2014
The halothane used in hospitals as an anesthetic is chemically:
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117UHS MDCAT 2014
If halogenoalkanes are mixed with an excess of ammonia and heated under pressure, amine are formed. Which amine is formed in the following reaction?CH3CH2Br + NH3 Amine
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118UHS MDCAT 2014
A primary alcohol, C₃H₈O (A), and a secondary alcohol, C₃H₈O(B), can be distinguished by:
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119UHS MDCAT 2014
Which one of the following alcohol is indicated by formation of yellow crystals in theIodoform test?
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120UHS MDCAT 2014
Ethyl butyrate and butyl butanoate are esters with the flavor of:
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121UHS MDCAT 2014
The formula of 2, 4, 6-tribromo phenol is:
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122UHS MDCAT 2014
Which one of the following groups is indicated when HCl is formed by reaction ofethanol with phosphorus pentachloride:
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123UHS MDCAT 2014
A student mixed ethyl alcohol with a small amount of sodium dichromate and added it to the hot solution of dilute sulphuric acid. A vigorous reaction took place. He distilled the product formed immediately. What was the product?
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124UHS MDCAT 2014
The structural formula of the product of reaction of acetone with 2,4-dinitrophenyl hydrazine is:
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125UHS MDCAT 2014
For the following reaction, what does the question mark represent?
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126UHS MDCAT 2014
Acetamide is formed by dehydration of
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127UHS MDCAT 2014
Organic compounds ‘X’ and ‘Y’ both can react with Na-Metal to evolve hydrogen gas. If ‘X’ and ‘Y’ react with each other form an organic compound ‘Z’ which gives a fruity smell. What type of compound ‘X’, ‘Y’ and ‘Z’ are?
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128UHS MDCAT 2014
The amino acids which are not prepared in the human body are called.
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129UHS MDCAT 2014
Indicate the cyclic amino acid from the following:
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130UHS MDCAT 2014
Which one of the following is Glutamic Acid?
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131UHS MDCAT 2014
At low pH or in acidic condition amino acid exists as:
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132UHS MDCAT 2014
The structure shown below represent:
H
|
HC = C - CH2 - C - COOH
| | |
N NH NH2
\\ /
CH
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133UHS MDCAT 2014
Which one of the following reagents is used for identification of amino acids?
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134UHS MDCAT 2014
Which one of the following is an example of a condensation polymer?
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135UHS MDCAT 2014
Among the most common disaccharides, one of the following is present in the milk?
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136UHS MDCAT 2014
Fats are a type of lipid called glycerides. They are esters of long chain carboxylic acids:
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137UHS MDCAT 2014
Which one of the following bases is NOT present in RNA?
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138UHS MDCAT 2014
Collagen proteins are present in _ throughout the body.
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139UHS MDCAT 2014
_ is an eye irritant.
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140UHS MDCAT 2014
Polystyrene is an additional polymer. Which one of the following structures representsthe monomer of polystyrene?
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141UHS MDCAT 2014
Which one of the following pollutants can cause death of a person by binding withhaemoglobin of red blood cells?
Physics
43 MCQs-
142UHS MDCAT 2014
The formula for electric field strength is ‘E = F/Q’, where E is electric field strength and F is force and Q is a charge. Which one of the following options gives the correct base units for electric field strength?
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143UHS MDCAT 2014
Which set of the prefixes gives values in increasing order?
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144UHS MDCAT 2014
Two forces, 5 N and 10 N are acting at ‘O’ and ‘P’ respectively on a uniform rod of 100 cm is suspended at the position of center of gravity 50 cm mark as shown in the figure. What is position of P on meter rod?
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145UHS MDCAT 2014
An oil film floating on water surface exhibits color pattern due to the phenomenon of:
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146UHS MDCAT 2014
Which of the following is the best graphical representation between drag force ‘F’ on a spherical object of radius ‘r’ and its speed ‘v’ through a fluid of viscosity ‘η’?
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147UHS MDCAT 2014
What is the speed of an incompressible non-viscous liquid flowing out from ‘B’ containedin a container as shown in the figure? Where AB = 5 m and g = 10 m/s2.
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148UHS MDCAT 2014
For the horizontal pipe, the fluid inside it is flowing horizontally then Bernoulli’s equation can be written as
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149UHS MDCAT 2014
The value of the least distance of distinct vision or near point is _____ for a normal human eye.
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150UHS MDCAT 2014
In a compound microscope, the magnification by objective = 20, magnification by eyepiece = 11, then the total magnification is
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151UHS MDCAT 2014
The distance between atoms is 0.30 nm. What will be the wavelength of X-rays at an angle θ=30 for 1st-order diffraction?
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152UHS MDCAT 2014
A 100kg man is standing in an elevator, which accidentally falls freely. What will be the weight of the person in the freely falling elevator (take g=10 m/s2)
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153UHS MDCAT 2014
The frequency of a simple pendulum of length 9.8 m will be
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154UHS MDCAT 2014
A body performs simple harmonic motion with a period of 0.063 s. The maximum speed of 3.0 ms-1. What are the values of the amplitude ‘xo (m)’ and angular frequency ‘ω(rads-1)’?
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155UHS MDCAT 2014
Food being cooked in a microwave oven is an example of :
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156UHS MDCAT 2014
Which of the following represents the total energy of the mass-spring system during SHM?
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157UHS MDCAT 2014
A gas containing ‘N’ number of molecules of a gas having mass of each molecule‘m’ is in a cubic container having length of each side ‘a’. What is the density of gascontained in a cube?
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158UHS MDCAT 2014
In ‘General Gas Equation PV=nRT’, ‘n’ represents the number of moles of gas. Which of the following represents the relation of ‘n’?
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159UHS MDCAT 2014
Which feature of the following graph represents Young’s Modulus?
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160UHS MDCAT 2014
At the triple point of water, the pressure of a gas is 2680 Pa, by changing ‘T’ the pressure increases to 4870 Pa. Then ‘T’ is:
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161UHS MDCAT 2014
The relation between Celsius and Fahrenheit scales is: C/100 = (F−32)/180 . At what temperature do both scales give the same reading?
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162UHS MDCAT 2014
A heat engine working according to the second law of thermodynamics has 50% efficiency.What will be the temperature of its low-temperature reservoir if the high-temperaturereservoir is 327 K?
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163UHS MDCAT 2014
Three NAND gates are connected as shown in the figure.Which of the following logic gates is formed in the connected circuit?
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164UHS MDCAT 2014
What is the output of the truth table?
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165UHS MDCAT 2014
What is the reading of Ammeter as shown in the circuit diagram?
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166UHS MDCAT 2014
Three 6 Ω are connected as shown in the diagram What is the resistance between points ‘A’ and ‘B’
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167UHS MDCAT 2014
The difference between the plates of a parallel plate capacitor is 2.0 mm and the area of each plate is 2.0 m2. The plates are in a vacuum. A potential difference of 1.0x104 V is applied across the plates. Find the capacitance.
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168UHS MDCAT 2014
A solenoid 15 cm long has 300 turns of wire. A current of 5 A flows through it. What is the magnitude of the magnetic field inside the solenoid?
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169UHS MDCAT 2014
Due to the current in a straight conductor the difference between magnetic field lines:
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170UHS MDCAT 2014
Magnetic Resonance Imaging (MRI) is used to identify the image of:
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171UHS MDCAT 2014
The stimulated emission of two photons ‘A’ and ‘B’ during LASER action is shown in the figure. What is the relation between wavelengths of two photons?
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172UHS MDCAT 2014
Bones absorb greater amounts of incident X-rays than flesh. This is because:
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173UHS MDCAT 2014
Which of the following techniques is the practical application of X-rays?
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174UHS MDCAT 2015 UHS MDCAT 2014
Which of the following spectra is most typical of the output of an X-ray tube?
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175UHS MDCAT 2014
Which one of the following has the largest energy content?
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176UHS MDCAT 2014
What will be the energy of the accelerated electron used to produce X-rays when theaccelerating potential is 2 kV?
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177UHS MDCAT 2014
Process of generating three dimensional images of objects by using laser beam is called
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178UHS MDCAT 2014
Which one of the following isotopes of Iodine is used for the treatment of thyroid cancer?
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179UHS MDCAT 2014
A beta (β) particle is a fast-moving electron. During a β – decay how does the atomic number and mass number of a nucleus change?
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180UHS MDCAT 2014
A Uranium isotope 92U232 undergoes one α–decay and two β-1 – decay. What is the final product?
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181UHS MDCAT 2014
A naturally occurring radioactive element decays into two alpha particles. Which one of the following represents the status of the daughter element concerning the mass number ‘A’ and charge number ‘Z’?
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182UHS MDCAT 2014
A radioactive isotope ‘W’ decays to ‘X’ which decays to ‘Y’ and ‘Y’ decays to ‘Z’ as represented by the figure below. What is the change in the atomic number from ‘W’ to ‘Z’?
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183UHS MDCAT 2014
Three paths of radioactive radiation are observed as shown in the figure in the presence of an electric field. Which type of radiation is shown in path 1?
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184UHS MDCAT 2014
What is the absorbed dose ‘D’ of a sample of 2 kg which is given an amount of 100 J of radioactive energy?
English
32 MCQs-
185UHS MDCAT 2014
It is our national duty to _ our vote in the general election.
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186UHS MDCAT 2017 UHS MDCAT 2014
She is intelligent enough to _ things to serve her own purpose.
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187UHS MDCAT 2014
She _ about with the excitement of hearing the news of her sister’s wedding.
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188UHS MDCAT 2017 UHS MDCAT 2014
Everyone should be _ duties and assignments according to his/her abilities.
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189UHS MDCAT 2014
Spot the error.We were ten miles up the highway when I happened to saw this classified advertisement in the newspaper.
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190UHS MDCAT 2014
Spot the error. “All is well what ends well”, said the father when he had finished the story.
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191UHS MDCAT 2014
Spot the error. Rubber tubes upon which children had swing in backyards hung suspended like stopped clock pendulums in the blazing air.
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192UHS MDCAT 2014
Spot the error. The child was fully dressed and sitting in her father’s lap near the kitchen table.
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193UHS MDCAT 2014
Spot the error. The three Abdul Rehman, like his illustrious predecessor, was a young man of twenty-three when he took office.
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194UHS MDCAT 2014
Spot the error. Enlarged and beautified by later Caliphs, Al-Zahra become the nucleus of a royal suburb whose remains partly evacuated in and after 1910, can still be seen.
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195UHS MDCAT 2014
Choose the correct sentence from the following options.
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196UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
DISDAIN
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197UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
SAGACITY
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198UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
FLAUNT
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199UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
URBANE
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200UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
DIASPORA
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201UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
IMPETUOUS
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202UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
VOCIFEROUS
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203UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
TRANSIENT
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204UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
PROWESS
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205UHS MDCAT 2014
Select the NEAREST CORRECT MEANING of the given word.
BEQUEATH
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206UHS MDCAT 2014
Fill in the blank with appropriate article as required._ umbrella is of no avail against a thunderstorm.
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207UHS MDCAT 2014
Not only the parents but also their son _ for interview.
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208UHS MDCAT 2014
Neither they nor their friend _ solved the question.
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209UHS MDCAT 2014
Fill in the blank with the correct option:He was _ with theft in the court.
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210UHS MDCAT 2014
Complete the sentence by choosing the most appropriate option, from the given lettered choices (A to E) below:It is quite _ for poor people to be happier than rich people.
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211UHS MDCAT 2014
The headmaster _ to speak to you.
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212UHS MDCAT 2014
Several times during the session the director _ to tell his success story to the other promotion.
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213UHS MDCAT 2014
Did anybody do the work _?
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214UHS MDCAT 2014
Ahmed _ me for a long time.
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215UHS MDCAT 2014
When your friend _, he’ll be very tired.
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216UHS MDCAT 2014
Select the correct option:He was killed _ a robber _ a hatchet.