Sindh MCAT Past Papers MCQs for Sindh Government medical and dental college test preparation online.
Sindh MCAT Past Papers 2023
What would be the suitable response to the question: “How was your day at school?”
a)My favorite subject is math
b)I don’t like School
c)It was great, thanks for asking!
d)I am going to the park
What is the antonym of “generous”
a)Selfish
b)Benevolent
c)Kind
d)Charitable
The sun began to _____ behind the mountains, casting a warm and beautiful glow across the valley.
a)Rise
b)Set
c)Sleep
d)Shine
After a long day at work, Sarah found _____ in her favourite book escaping into captivating world.
a)Endurance
b)Volace
c)Chaos
d)Agony
Which sentence has correct grammatical and style Structure:
a)They playing soccer
b)Their playing soccer
c)They’re playing soccer
d)They have play soccer
Choose the sentence with Correct use of apostrophe in possessives:
a)The cats’ toys’ are in the corner
b)The cat’s toys are in the corner
c)The cats toys are in the corner
d)The cats’ toys are in the corner
Which article should be used in the blank to make the sentence grammatically correct: “He lives in _____ old house.”
a)A
b)An
c)The
d)Blank
The speed of sound at 0°C in air is 332 m/s. What will be the speed of sound at 50°C :
a)382 m/s
b)332 m/s
c)300 m/s
d)362 m/s
Soft cylindrical electrical conducting wire has resistance R. It is streak so that its length is doubled but its radius stays constant. What would be the new resistance :
a)4R
b)R
c)R/2
d)2R
Half-life of radon gas is:
a)3.8 months
b)3.8 days
c)38 years
d)3.8 minutes
A semi-conductor diode can be used as:
a)A full wave rectifier
b)An amplifier
c)A transmitter
d)A half wave rectifier
The process in which no external work is performed is called:
a)Isochoric
b)Isobaric
c)Adiabatic
d)Isothermal
In vibratory motion the maximum displacement of the body on either side of its equilibrium position is called:
a)Amplitude
b)Displacement
c)Distance
d)Frequency
In the projectile motion, the acceleration in the horizontal direction:
a)Varies with time
b)Is positive
c)Is zero
d)Remains same
A ball is thrown horizontally with 19.6 m/s. After 2 seconds it’s horizontal velocity component will be:
a)4.9 m/s
b)39.2 m/s
c)9.8 m/s
d)19.6 m/s
If the fundamental frequency of vibration of a string fixed both ends is 50Hz, the fourth harmonic will be:
a)250 Hz
b)100 Hz
c)12.5 Hz
d)200 Hz
In standing waves, the distance between two consecutive nodes or anti-nodes is:
a)λ / 4
b)λ
c)λ / 2
d)2λ
1 kilowatt-hour (kWh) equals to:
a)3.6 J
b)3.6 MJ
c)3.6 GJ
d)3.6 kJ
A body of mass 4 kg is moving a circle of radius 2m. If the body moves round a complete circle, what is the work done by the body:
a)16 J
b)Zero
c)8 J
d)6 J
The product of frequency and wavelength of a wave equals to:
a)Amplitude of the wave
b)Displacement of the wave
c)Time period of the wave
d)Speed of the wave
Which of the following expression is constant for a freely falling body:
a)mgh – ½mv^2
b)mgh + ½mv^2
c)mgh + mv^2
d)mgh – mv^2
In beta positive decay, the nuclear number is:
a)Instable
b)Conserved
c)Not conserved
d)Stable
The property of the system that does not change during adiabatic change is:
a)Temperature
b)Pressure
c)Volume
d)Amount of heat
Longitudinal waves exhibit:
a)Polarization
b)Phenomena of superposition of waves
c)Particle nature
d)Property of energy transmission in space
Which of the following are the application of Doppler’s effect:
a)Sending radar signals
b)Measuring the speed of automobile
c)Hologram technology
d)Determining speed of light in mediums
Due to sudden rain, which of the following is true for the car moving on the road:
a)Force of engine decreases
b)Direction of motion will be effected
c)Linear momentum increases
d)Balance Will not be maintained
Which law has a graph similar to the graph of isothermal process:
a)Boyle’s law
b)Charles law
c)Avogadro’s law
d)Law of heat exchange
The ratio between linear velocity and radius equals to:
a)Angular displacement
b)Angular momentum
c)Angular velocity
d)Angular acceleration
A wheel of bike rotates from rest and achieves 6.28 radian/sec in 2 seconds. What will be its angular acceleration:
a)1.5 rad/sec^2
b)6.28 rad/sec^2
c)3.14 rad/sec^2
d)1 rad/sec^2
1 radian is equals to:
a)5.73°
b)0.573°
c)573°
d)57.3°
Which of the following results in the centripetal acceleration is produced in a body:
a)Change in mass
b)Change in direction of velocity
c)Change in magnitude of force
d)Change in magnitude of velocity
Radiations are dangerous to living organism because they damage the cell by:
a)By producing ions in the cells
b)By destroying the cells
c)By increasing the temperature of cells
d)By decreasing the number of cells
What is the time rate of change of linear momentum:
a)Force
b)Work
c)Acceleration
d)Velocity
What will be the value of acceleration, if a body of mass 0.5 kg is acted upon by force of 10 N:
a)20 m/s^2
b)10 m/s^2
c)5 m/s^2
d)40 m/s^2
1 N/C equals to:
a)1 J/C
b)1 1/sec
c)1 C/m^2
d)1 V/m
What does the electric field around a charge represent:
a)Speed of the charge
b)Effective area for electrostatic force
c)Path followed by the charge
d)Size of the charge
Which law explains the relation between amount of charges and force between them:
a)Ohm’s law
b)Lenz’s law
c)Coulomb’s law
d)Ampere’s law
The amount of energy required in moving an electron of charge (e) by the application of 2 volt potential difference equal to:
a)1 Me V
b)1 Ge V
c)1 eV
d)1 Ke V
The change in electric potential with respect to distance equals to:
a)Surface charge density
b)Potential difference
c)Potential gradient
d)Amount of the charge
What does the magnetic flux measure:
a)Strength of the magnetic field
b)Rate of change of magnetic force
c)Area surrounded by a magnet
d)The number of magnetic lines of force
What is the dot product of magnetic induction and unit area:
a)Magnetic pole
b)Magnetic field
c)Magnetic flux
d)Magnetic induction
Which of the following defines the change in magnetic flux per unit area:
a)Magnetic dipole
b)Magnetic field
c)Magnetic flux density
d)Magnetic force
If I transformer has 500 turn on primary coil and 250 turns on secondary coil, then:
a)Output voltage is half of input voltage
b)Output voltage is double of input voltage
c)Output voltage is zero
d)Output and input voltages are equal
On which principle does the transformer work:
a)Magnetic torque
b)Mutual induction
c)Motional EMF
d)Self induction
The energy of light is determined by its:
a)Intensity
b)Amplitude
c)Speed
d)Frequency
If the wavelength of a light is 3 x10^-7, then what is it its frequency:
a)1 x 10^13 Hz
b)1 x 10^15 Hz
c)1 x 10^16 Hz
d)1 x 10^14 Hz
Which of the following corresponds to the momentum of a photon:
a)hλ
b)λ/h
c)h/λ
d)h^2/λ^2
1 J/sec is equals to:
a)1 Watt
b)1 N
c)1 T
d)1 K
The electric potential sets across the terminals of a battery is called:
a)EMF
b)Potential difference
c)Terminal voltage
d)Internal potential group
The internal resistance of a battery is:
a)In parallel to the external load
b)Not connected to the external load
c)In series to the external load
d)Zero
What is ΔH equal to z according to the first law of thermodynamics:
a)ΔE + PΔV
b)-ΔE + PΔV
c)ΔE – PΔV
d)-ΔE – PΔV
What is the mathematical statement of the first law of thermodynamics:
a)ΔE=q-w
b)ΔE= -q+w
c)ΔE= -q-w
d)ΔE=q+w
The nature of attraction which holds molecular crystal is:
a)Hydrogen bond
b)Ionic bond
c)Van Der Waals force
d)Covalent bond
Which of the following is a covalent crystal:
a)MgBr2
b)NaCl
c)Diamond
d)KI
Which pair of the element markedly differ from other members of the respective groups:
a)Lithium and Beryllium
b)Cesium and Barium
c)Sodium and Magnesium
d)Potassium and Calcium
Superoxide of group IA element (M) has formula:
a)M2O3
b)M2O
c)M2O2
d)MO2
Metallic property in a group of P block element has a trend:
a)Irregular trend
b)Remains same
c)Increases
d)Decreases
Which of the following best describes the ionic reactions of inorganic compounds:
a)Moderate slow
b)Very fast
c)Not occurs
d)Very slow
What is the order of reaction if the unit of K is sec^-1:
a)Two
b)One
c)Three
d)Four
Which of the following is an Amino acid:
a)Aniline
b)Benzoic acid
c)Aspartic acid
d)Palmitic acid
Oxidation of secondary propyl alcohol gives:
a)Ethyl alcohol
b)Acetone
c)Acetaldehyde
d)Normal propyl alcohol
Enzyme show optimum activity between 37°C to 50°C. It however works:
a)It loses activity permanently below 37°C
b)It loses activity permanently above 50°C
c)Below 37°C
d)Above 50°C
Which of the following influences the variation of temperature at which boiling of liquid takes place:
a)Amount of liquid
b)Outside temperature
c)Volume of container
d)Outside pressure
7.6 grams of CS2 is reacted with 12.8g of 02, CS2 + 302 → CO2 + 2S02, limiting reactant is:
a)CO2
b)CS2
c)O2
d)SO2
An organic compound has C=40%, H=6.67% and 0=53.3%. What is the empirical formula of the compound:
a)CH20
b)C2H20
c)C2H30
d)CH3O
Which of the following temperatures is referred to as the absolute zero:
a)0°C
b)-273.16 °K
c)32 °F
d)-273.16 °C
1 atm of nitrogen is at 25°C, its pressure has increased to 2 atm at 50°C. Volume will change from 1 dm3 to:
a)3 dm3
b)4 dm3
c)0.542 dm3
d)2 dm3
Graph of volume versus total pressure at constant temperature is:
a)A straight line
b)Non linear
c)First a straight line & then a curve line
d)First a curve and then a straight line
Which type of isomerism can propanal and acetone exhibit:
a)Chain isomerism
b)Metamerism
c)Functional group isomerism
d)Position isomerism
Organic compound are classified into:
a)Homocycle and heterocyclic compounds
b)Open chain and closed chain compound
c)Carbon compounds and non carbon compounds
d)Aromatic and cyclic compounds
In electrochemical series, what is the electrode potential of all metals above Hydrogen:
a)Positive
b)Negative
c)Greater than zero
d)Zero
What is the oxidation number of Mn in K2Mn04:
a)+7
b)+6
c)+2
d)+4
Which of the following produces Maleic anhydride on oxidation of:
a)Toluene
b)Benzene
c)Phenol
d)Acetylene
What is the IUPAC name of chloroform:
a)Tetra Chloro methane
b)Tri Chloro methane
c)Chloro methane
d)Di Chloro methane
Oxidation of toluene by KMnO4, the product is:
a)Benzoic acid
b)p-nitro toluene
c)0-nitro toluene
d)m-nitro toluene
Isopropyl chloride is an example of:
a)Secondary alkyl halide
b)Quaternary alkyl halide
c)Primary alkyl halide
d)Tertiary alkyl halide
Benzene is subjected to (1) Alkylation (2) Nitration (3) Oxidation the product is :
a)o-nitro toluene and p-nitro toluene
b)m-nitro toluene
c)m-nitrobenzoic acid
d)o-nitro benzoic acid and p-nitro benzoic acid
When benzene reacts with isopropyl chloride in the presence of AICI3 as Lewis acid, the product formed is isopropyl benzene. What is this reaction called:
a)Friedal Craft Alkylation
b)Halogenation of benzene
c)Friedal Craft acylation
d)Benzene sulphuric acid
Which of the following conditions required for maximum yield of ammonia through Haber’s process:
a)Decreasing pressure
b)Decreasing temperature
c)Increasing temperature
d)Decreasing concentration of reactant
Which of the following reactions has same value of Kc & KP:
a)H2+ I2→ 2H1
b)PCI5 → PCI3 + C12
c)N2 +3H2 → 2NH3
d)2S02 + 02 → 2S03
What hybridization is present on carbon atoms in Ethyne C2H2:
a)Sp2
b)Sp
c)Sp3
d)dspz
Ca (Z=20) forms ionic bond with (Z=17). What is the chemical formula of Calcium chloride:
a)CaCI
b)CaCl2
c)Ca2CI
d)Ca2Cl2
Valence shell electronic configuration of an element is 4s2 4p1. To which group does the element belong:
a)IIIA
b)IA
c)IB
d)IIIB
What volume of oxygen at S.T.P required to burn 500 dm3 of ethene:
a)1500 dm3
b)500 dm3
c)2000 dm3
d)1000 dm3
What’s the IUPAC name of α, β-dimethyl valeric acid:
a)3,4- dimethyl pentanoic acid
b)2,3- dimethyl pentanoic acid
c)3,4- dimethyl hexanoic acid
d)2,3- dimethyl hexanoic acid
Which of the following is formed when acetone is oxidized:
a)Ethanoic acid
b)Propanoic acid
c)Formic acid
d)Butyric acid
What is the IUPAC name of stearic acid:
a)Hexanoic acid
b)Octanoic acid
c)Octadecanoic acid
d)Hexadecanoic acid
Which of the following is different in Na+ (Z=11), Mg^+2 (Z=12) and Al^+3 (Z=13):
a)Number of electrons
b)Number of shells
c)Electronic configuration
d)Number of protons
What’s the mass of one proton:
a)Equal to positron
b)Equal to 1836 neutron
c)Equal to 1836 electron
d)Equal to electron
Which of the following has only one orientation in space, in the magnetic Field:
a)S orbital
b)P orbital
c)D orbital
d)F orbital
Radius of first orbit of hydrogen is 0.53°A. Which orbit has a radius of 4.77°A:
a)First
b)Second
c)Third
d)Fourth
Which of the following is an example of tertiary alkyl halide:
a)2-bromo-3-methyl butane
b)2-bromo-2-methyl butane
c)2-chloro butane
d)1-chloro methyl pentane
Dry distillation of which of the following can be done to produce acetone:
a)Calcium acetate
b)Acetic acid
c)Ethyl acetate
d)Calcium formate
Which of the following is formed when formaldehyde is treated with oxidizing mixture ( H2SO4+ K2Cr2O7 ):
a)Methanol
b)Methanolic acid
c)Acetone
d)Acetaldehyde
Which of the following will give iodoform reaction on the treatment with Na2CO3 & I2:
a)Methanol
b)Acetic acid
c)Acetic anhydride
d)Acetone
Which of the following is formed when excess of ethyl alcohol is treated with concentrated H2SO4 at a low temperature:
a)Dimethyl ether
b)Acetylene
c)Ethene
d)Diethyl ether
Which of the following reaction can be used for the conversion of ethyl alcohol into acetaldehyde:
a)Polymerization
b)Esterification
c)Dehydrogenation
d)Reduction
Polygenic inheritance forms the bases of:
a)Codominance
b)Continuous variation
c)Discontinuous variation
d)Incomplete dominance
In humans beings multiple alleles control inheritance of:
a)Blood groups
b)Colour blindness
c)Sickle cell anaemia
d)Phenylketonuria
Which of the following is a disease in which the blood fails to clot:
a)Diabetics
b)Colour blindness
c)Alkaptonuria
d)Haemophilia
Which ratios of these results confirm independent assortment had taken place?
a)3/16
b)9/16
c)3/16 & 3/16
d)1/16
Which ratios of these results confirm independent assortment had taken place?
a)3/16
b)9/16
c)3/16 & 3/16
d)1/16
This muscle controls the diameter of your blood vessels:
a)Skeletal muscles
b)Smooth muscles
c)Cardiac muscles
d)Striated muscles
Which cavities are present around the joints and contain a thin oily fluid that reduces friction and keeps the joints moving freely:
a)Deltoid ridge
b)Acetabulum
c)Synovial
d)Ventricles
How are the ribs attached to vertebrae:
a)Partially movable joints
b)Moveable joints
c)Fixed joints
d)Ball & socket joints
Corpus luteum in mammals occur in :
a)Heart & initiate arterial connection
b)Brain & connects the two cerebral hemispheres
c)Skin & acts as a pain receptor
d)Ovaries & produces progesterone hormones
Fertilization of ovum takes place in rabbit, man and other placental mammals in:
a)Ovary
b)Cervix
c)Fallopian tube
d)Uterus
After ovulation Graafian follicle converts into:
a)Corpus atresia
b)Corpus luteum
c)Corpus callosum
d)Corpus albican
In the process of ovulation, which of the following structures sucks the egg. point, released from alternate ovary, every month:
a)Uterus
b)Vagina
c)Oviducts
d)Ureter
Testes developed inside the abdomen. In which of the following structure do they lie before birth:
a)Sac
b)Pouch
c)Vesicle
d)Scrotum
Membranous infoldings in bacteria that initiate DNA replication is:
a)Glyoxysomes
b)Peroxisomes
c)Mesosomes
d)Nucleosomes
It serves as vector in genetic engineering:
a)Pills
b)Nucleoid
c)Plastids
d)Plasmid
Bacterial cell wall made-up of:
a)Amino acid & sugar
b)Cellulose & pectin
c)Hemicellulose & chitin
d)Cellulose & cutin
Which of the following are the genetically engineered bacteria that are used to make human growth hormone and insulin for diabetics:
a)Pneumococcus
b)Rhizobium
c)E. Coli
d)Nost
Photosynthesis bacteria utilize H2S instead a water and liberate one of the following instead of oxygen:
a)Phosphorus
b)Calcium
c)Magnesium
d)Sulphur
Earthworm is an example of:
a)Microphagous
b)Macrophagous
c)Detritivores
d)Fluid feeder
The total capacity of a human lung is 5 liters. What percentage of it is filled when one takes and extra deep breath:
a)60%
b)10%
c)40%
d)80%
In nutritional terms, what among the following is sundew you categorized:
a)Heterotrophic
b)Autotrophic
c)Holozoic
d)Partially autotrophic / Partially Heterotrophic
Carnivorous adaptation of plants, due to relatively low content of:
a)Potassium
b)Sulphur
c)Calcium
d)Nitrogen
Which enzyme is secreted in inactive state, to prevent it from digesting its own cells:
a)Sucrase
b)Maltase
c)Pepsin
d)Lactose
What is the volume of blood pumped per minute by the left ventricle into the system circuit called:
a)Ventricular system
b)Atrial system
c)Cardiac output
d)Systole
Carolus Linnaeus was the believer of:
a)Special creation
b)Inheritance of acquired characters
c)Catastrophism
d)Natural selection
The artificial selection in breeding provides a strong evidence for evolution. What does this term mean?
a)Mutation
b)Vestigial organs
c)Domestication
d)Homology
Which of the following is a good evidence of an evolutionary pathway leading from reptiles to birds?
a)Archaeopteryx
b)Mammals
c)Arthropods
d)Fishes
Chemical substance that can react with an enzyme faster than real substrate and without produce a product is:
a)Activator
b)Co enzyme
c)Accelerator
d)Inhibitor
The structure of an enzyme is altered by:
a)Competitive inhibition
b)Reversible inhibition
c)Irreversible inhibition
d)Non competitive inhibition
Penicillin blocks the active sites of an enzyme that many bacteria use in making cell wall. It is an example of:
a)Competitive inhibition
b)Feedback inhibition
c)Non competitive inhibition
d)None of these
What is the optimum pH of pepsin in the stomach?
a)25
b)1.4
c)3
d)2
Evolutionary progress towards formation of organ system in Cnidarians includes development of enteron and:
a)Symmetry
b)Rudimentary network of nerves
c)Cellular organization
d)Cnidocytes
Which of the following describes coral reefs used by Hakeem in preparing eastern medicines?
a)Emerald
b)Marjan
c)Ruby
d)Diamond
Which phenomenon describes the production of asexual form by sexual form and vice versa?
a)Polymorphism
b)Colony
c)Alternation of generation
d)Parasitism
Which is formed, when the blastula folds inwards?
a)Morula
b)Blastopore
c)Blastocoel
d)Gastrula
Which part of the brain is responsible for higher cognitive functions such as thinking, reasoning and problem solving?
a)Medulla oblongata
b)Cerebellum
c)Hypothalamus
d)Cerebrum
Which of the following function dopamine serves?
a)Transmission blocker
b)Neurotransmitter
c)Sedation
d)Anesthesia
These are required for the impulse to transfer from presynaptic to post-synaptic neuron:
a)Potassium
b)Calcium
c)Proteins
d)Sodium
A reflex involves sensory and a motor neuron the way such transmission is called:
a)Synapse
b)Synaptic cleft
c)Reflex Arc
d)Mono synaptic
This part of brain involve in carrying long term memory:
a)Cerebrum
b)Hippocampus
c)Pons
d)Cerebellum
How long does it take an action potential to occur?
a)Few minutes
b)Few milliseconds
c)Few hours
d)Few seconds
This given function is associated with lysosomes:
a)Lipid Synthesis
b)Protein synthesis
c)Processing and Packing
d)Intracellular digestion
Protein layers is embedded in lipid bilayers, this was explained by:
a)Lock and key Model
b)Fluid Mosaic Model
c)Sandwich Model
d)Induce fit Model
What is cementing layer between two daughter cells called:
a)Primary wall
b)Secondary wall
c)Cell membrane
d)Middle lamella
Which of the following best describe the plasma membrane:
a)Impermeable
b)Permeable
c)Adhesive
d)Semi-permeable
Which of the following may lead to death by the age of three years:
a)Baucher disease
b)Krabbe’s disease
c)Gaucher disease
d)Tay- sachs disease
A phospholipid molecule has a head and 2 tails. Where are the tails found:
a)In the interior of the membrane
b)All the surface of the membrane
c)Spanning of the membrane
d)In the exterior of the membrane
Which one of the following is power house of cell:
a)Mitochondria
b)Lipid chloroplast
c)Ribosomes
d)Golgi apparatus
Which of the following compound is regarded as the precursor of many hormones like testosterone, progesterone and estrogen:
a)Phospholipid
b)Cholesterol
c)Acyl glycerol
d)Wax
Lysozyme represent the basic structural level of proteins:
a)Primary structure
b)Quaternary structure
c)Secondary structure
d)Tertiary structure
The one molecule of fatty acid forming Easter bond with one molecule of long chain alcohol is :
a)Unsaturated acyglycerol
b)Phospholipids
c)Saturated acyglycerol
d)Waxes
Glyceraldehyde and Dihydroxyacetone are example of:
a)Tetrose
b)Pentose
c)Hexose
d)Triose
This chemical compound has same percentage in bacterial as well as the mammalian cell:
a)Carbohydrate
b)Water
c)Protein
d)Lipids
How much of temperature rise ( °C ) will be observed, as per the definition of specific capacity, If energy is used to raise the temperature of 1 gram of substance:
a)3°C
b)1°C
c)10°C
d)2°C
In carbohydrate hydrogen and oxygen are mostly found in the same ratio i.e 2:1 that why they are called:
a)Carbon monoxide
b)Triose
c)Hydrated carbon
d)Carbon dioxide
Anaerobic respiration compared to aerobic respiration , it produces:
a)Less ATPs
b)Equal ATPs
c)More ATPs
d)Does not produce ATPs
The acceptor of carbon dioxide in Calvin cycle is:
a)Rubp
b)PGAL
c)PGA
d)Rump
What is importance of Kreb’s cycle:
a)Production of Vitamins
b)Production of amino acid
c)Production of Pyruvic acid
d)Production of ATP molecules through oxidative phosphorylation
Which of the following is the end product of anaerobic respiration:
a)Methyl alcohol
b)Acetaldehyde
c)Ethyl alcohol
d)Formaldehyde
A virus enters into body of a host and intend to produce DNA from its RNA . Which enzyme is required for this process:
a)Ligase
b)Oxido-reductase
c)Reverse transcriptase
d)Transcriptase
The hepatitis which pass through blood from mother to her child during pregnancy is:
a)Hepatitis B
b)Hepatitis D
c)Hepatitis A
d)Hepatitis C
Through which of the following does rabies spread:
a)Fox
b)Dog
c)Pig
d)Cat
Which of the following best characterize the viruses with un-enveloped plus strand RNA:
a)Act directly
b)Having DNA
c)Lacking envelop
d)Enveloped
Read More: MDCAT Past Papers of all previous years online.