UHS MDCAT Past Paper 2022 MCQs for Punjab Medical & Dental Colleges Admission test preparation online.
UHS MDCAT Past Paper 2022 MCQs
Observe the pattern and select next term in sequence: CAB, FAE, IAH
- IGJ
- JHK
- LAK
- JGK
“To cut off the head”. Idiom means
- Decapitate
- Defrock
- Urbanite
- Impaled
Choose the correct sentence
- These scissors are very sharp
- These scissor are very sharp
- This scissor is very sharp
- This scissors is very sharp
Distribute the handouts _____ the candidates. The correct preposition to be filled in is
- In
- On
- Among
- Into
By 2030, people _____ been reading the works of Charles Dickens for more than 190 years
- Had
- Have
- Will
- Will have
Choose the most appropriate antonym for “Abandonment “
- Extension
- Cessation
- Stoppage
- Halt
Synonym of the word ‘Capricious ‘ is:
- Invariable
- Predictable
- Uniform
- Fickle
The half-life of Strontium (Sr) is 8.70 hours. Its decay constant is :
- 0.000022 s
- 45000 s
- 0.000032 s
- 0.000022 s
The speed of electron in the first bohr orbit is:
- 2.19 × 10^-4 m/s
- 2.19 × 10^4 m/s
- 2.19 × 10^-6 m/s
- 2.19 × 10^6 m/s
The spectrum of hydrogen atom contain the spectral line in the region of:
- All of these
- Visible
- Ultraviolet
- Infrared
When the temperature of semiconductor suddenly drops zero kelvin, then a semiconductor acts as:
- Conductor
- Insulator
- Semi-conductor
- Super conductor
In transformer, there is no ___ connection between the two coils but they are ___ linked?
- Magnetic, electrically
- Electrical, optically
- Magnetic, magnetically
- Electrical, magnetically
Working principle of magnetic levitation train is according to?
- Max planks law
- Faraday law
- Ohm law
- Lenz law
The unit of ΔΦ / Δt can be written as ?
- NmA-2s1
- NmA-1s-1
- NmA-2s-1
- NmAs-1
The source of magnetic field us
- Nonmagnetic substance
- Static electric charge
- An isolated magnetic pole
- Current loop
Which surface has greater magnetic flux in same magnetic field, each has an area 1 m^2.
- Flux is independent of shape
- Circular
- Square
- Rectangular
The coulomb’s constant K depend upon:
- Nature of medium
- Types of charge
- System of units
- Nature of medium and system of units
The resistance of a conductor does not depend on which of the following?
- Mass
- Area
- Length
- Resistivity
How much potential drop exist across closed switch ?
- 2 V
- 1 V
- 3 V
- 0 V
The mechanical waves are not generated by
- Ropes
- Water
- Electric and magnetic fields
- Coil of spring
Gauss law cannot be used to find which of the following quantity?
- Permittivity
- Charge
- Electric flux density
- Electric field intensity
Reducing mass M of spring suspending body to one fourth will change the frequency of oscillation to
- Double
- One fourth
- Quadruple
- Half
When will the oscillation stop in the absence of resistive forces
- Immediately
- After 10 minutes
- In 10 minutes
- Never
The shortest distance between any two points in phase on a wave is called
- Wavelength
- Displacement
- Amplitude
- Frequency
Which of the following increase by increasing amplitude?
- Frequently
- Zero
- Wavelength
- Loudness
If a flywheel is rotating at 3.0 rad/s, the time takes to complete one revolution is about
- 2.1 s
- 0.067 s
- 1.0 s
- 1.3 s
The number of revolution in 3n radians is
- 3 / 2
- 6
- 2
- 1 / 60
A particle of mass m at rest is acted upon by a force P for time t. Its kinetic energy after time t is :
- (P^2 t^2)/m
- (P^2 t^2)/4m
- (P^2 t^2)/2m
- (P^2 t^2)/3m
The consumption of energy by a 60 W bulb in 2s is:
- 30 J
- 120 J
- 60 J
- 0.02 J
A stone thrown horizontally from top of a tall building follows a path that is
- Parabolic
- Circular
- Made of two straight line segments
- Hyperbolic
What is the shape of velocity-time graph for constant acceleration?
- Straight line
- Parabola line
- Decline curve
- Incline curve
Which of the following proteins act as carrier of copper in blood plasma?
- Ceruloplasmin
- Glycoprotein
- Hemoglobin
- Histone
When food reaches stomach, the action of the following come to an end due to acidic pH?
- Maltase
- Lipases
- Hydrolases
- Amylase
Neopentylchloride belongs to which class of alkyl halide?
- Secondary alkyl halide
- Primary alkyl halide
- Quaternary alkyl halide
- Tertiary alkyl halide
If carboxylic acid and ketone groups C=O are present in a chain, then final name will be given as
- Oxo, oic acid
- One, oic acid
- None of these
- Both 1 and 2
Which among the following have least pH?
- CH3CH2CH2COOH
- CH3CH2COOH
- CH2CLCH2COOH
- CH3CHCLCOOH
Which of the following is also called silver mirror test ?
- Fehling’s solution test
- Benedict’s solution test
- Iodoform test
- Tollen’s reagent test
Which is the most suitable reagent for the conversion of R-CH2OH->RCHO ?
- Cr2O4/H2SO4(Conc.)
- CrO3
- K2Cr2O7/H2SO4 (Conc.)
- KMnO4/NaOH
Which of the following is the correct name of CH3CH2CH2COCH2CHO ?
- 3-oxo hexanal
- 3-oxo hexanol
- 3-one hexanal
- 3-keto hexanol
When phenol reacts with formaldehyde, which of the following product is produced?
- Oxinium ion
- Adduct
- Hydronium ion
- Phenoxide ion
Benzene is formed when Na reacts with which of the following?
- Propanol
- Phenol
- Alcohol
- Butyl alcohol
What is the common name of 1, 2, 3-propanetriol?
- Glycol
- Glycerol
- Propyl alcohol
- Butyl alcohol
In which of the following functional groups, the carbon atom is sp hybridized?
- -CHO
- -CN
- -COOR
- -COOH
Freon is commonly known as?
- A fire extinguisher
- Insecticides
- A solvent
- Refrigerant
The ratio of sigma to pi electrons in benzene is?
- 1:3
- 4:1
- 3:1
- 1:4
Which of the following compound is more acidic?
- Cycloalkane
- Alkane
- Alkene
- Alkyne
Three alternate single and double bonds in benzene are called
- Conjugate bonds
- Coordinate covalent bond
- Ionic bonds
- Fixed bonds
What is the number of isomers of hydrocarbon having a molecular formula, C4H8?
- 2
- 3
- 5
- 4
The compound containing R-SH functional group are known as
- Alcohol
- Nitrile
- Thio-alcohol
- Thio-ether
In which of the following, oxygen shows fractional oxidation number
- KO2
- Cl2O7
- OF2
- Na2O2
In which pair one has all unpaired d orbitals while other have all paired d orbitals
- Cr and Fe
- Cr and Zn
- Mn and Co
- Cu and Zn
Which of the following complex show a tetrahedral geometry?
- [Au(Cl)4]-
- [Fe(CO)5]
- [Pt(NH3)4]+2
- [Cu(CN)4]-2
Which of the following sulphate compound is insoluble in water?
- BeSO4
- CaSO4
- BaSO4
- MgSO4
Which group of the periodic table contain non-metals, metalloids and metals.
- VII A
- VI A
- I B
- IV A
AB4 type with no lone pairs geometry enables to form which shape of molecules
- Regular octahedron
- Regular pyramidal
- Regular tetrahedron
- Trigonal
Which of the following element has smaller size?
- Na
- Al
- Li
- K
A small building block which belongs to whole information about crystal structure is called
- Cell
- Crystal lattice
- Crystal unit
- Unit cell
An electrochemical cell is based upon which reaction
- Redox reaction
- Nuclear reaction
- Neutralization reaction
- Acid-base reaction
Which of the following term is state function?
- Enthalpy
- Sublimation
- Decomposition
- Freezing
The catalysis in which the catalyst and the reactants are in the same phase is known?
- Slow
- Fast
- Homogenous catalyst
- Heterogeneous catalyst
What is the overall order of this rate equation ? Rate= k [H2][NO2]^2
- 1
- 2
- 4
- 3
One can estimate the direction in which equilibrium will shift with help of
- Le Chatelier’s principle
- Law of mass action
- Mess’s law
- Law of heat of formation
The precipitation occur if the ionic concentration is
- Less than ksp
- More than ksp
- Present in any amount
- Equal to ksp
Which type of solid is called as atomic solid
- Covalent solids
- Molecular solids
- Ionic solids
- Metallic solids
Which of the following factor does not affect the magnitude of vapor pressure?
- Temperature of liquid
- Amount of liquid
- Intermolecular forces
- Size of liquid
What is the proton ( atomic number ) of an element that has four unpaired electrons in its ground state
- 14
- 22
- 6
- 26
Which element has the ground state electronic configuration of 1s2, 2s2, 2p6, 3s2, 3p6 ?
- Na
- Ar
- S
- Cl
Which gas discharge tube produces lightest canal ray particles?
- Ar
- He
- Ne
- H2
Which of the following is NOT found in skeletal muscle fiber in human?
- Multiple nuclei
- Large amount of hemoglobin
- Large amount of myoglobin
- Multiple mitochondria
One a.m.u stands for
- 1/12th of a carbon
- An atom of C-12
- 1 atom of all the elements
- 1/12th of H
Mode of inheritance in human can be traced through
- Pedigree Analysis
- Probability Analysis
- Experimental Mating
- Chi Square Chart
Which of the following is X linked Dominant disorder?
- Hypophosphatemia rickets
- Haemophilia
- Color blindness
- Hypertrichosis
DNA store biological information in discrete units termed as
- Phenotype
- Cells
- Genes
- Karyotype
Test cross is made to check the genotype of a trait. Which of the following crosses is a test cross ?
- Unknown X tt
- Unknown X AB
- Unknown X TT
- Unknown X At
Hinge joint is present between which of the following bones ?
- Femur and pectoral girdle
- Femur and acetabulum
- Humerus and radio-ulna
- Humerus and pectoral girdle
The division of cocci in three planes form sarcina, which is a cube of _____ cocci?
- 8
- 2
- 16
- 4
Which of the following is a muscle component that act as store for energy?
- Creatine-PO4
- ATP
- Myoglobin
- Creatinine-PO4
Fertilized ovum is implanted and undergoes further development in the
- Uterus
- Oviduct
- Ovary
- Cervix
Each human testis is divided into
- 250-300 lobules
- 150-200 lobules
- 200-300 lobules
- 50-100 lobules
Nitrifying bacteria are the example of
- Chemosynthetic bacteria
- Heterotrophic bacteria
- Saprotrophic bacteria
- Parasitic bacteria
The animal species on Galapagos resembles species living on the
- South American mainland
- North American mainland
- Northern Europe
- Great Britain
Number of layers present in Gram-negative bacterial cell wall
- One
- Three
- Four
- Two
Which of the following is a prokaryote?
- Fungi
- Amoeba
- Protista
- E.coli
Flow of blood in the adjusted by?
- Meta-arteriole
- Valves
- Pre-capillary sphincters
- Heart directly
The lymphatic vessels of the body empty the lymph into blood stream at?
- Bile duct
- Jugular vein
- Subclavian vein
- Abdominal vein
____ proteins are produced by WBCS in response to _____ and provide immunity?
- Antibodies, antigen
- Globulin, histamine
- Antibiotics, antigen
- Antibodies, RBC
Digested food from intestine is carried to the liver by
- Hepatic Portal vein
- Hepatic Portal artery
- Hepatic Vein
- Hepatic Artery
Silver fish is a / an
- Cartilaginous fish
- Insect
- Jawless fish
- Mollusca
For evolutionary process to occur, which of the following is NOT a geographical barrier?
- River
- Atmosphere
- Ocean
- Mountains
Competitive inhibitor competes with
- Substrate
- Product
- Coenzyme
- Enzymes
Tissue are not found in the following animal?
- Cnidarians
- Flat worms
- Round worms
- Sponges
Cell wall of bacteria is made up of
- Cellulose
- Hemicellulose
- Murein
- Chitin
Round worms belongs to which phylum
- Annelida
- Platyhelminthes
- Nematoda
- Coelenterata
The part of brain which guides smooth and accurate motions and maintain body position is
- Cerebrum
- Cerebellum
- Pons
- Medulla
The middle layer of meninges is
- Arachnoid mater
- Pia mater
- Dura mater
- Cranium
Hormone produced by placenta is:
- Progesterone
- Testosterone
- FSH
- LH
The neurotransmitter active outside the CNS (Central Nervous System) is:
- Dopamine
- Serotonin
- Glutamate
- Acetylcholine
There is no clear difference between dendrites and axons in sensory neurons, except
- Thickness
- Length
- Terminal portions
- None of the above
Which one is common in both prokaryotic and eukaryotic cells
- Cytoplasmic streaming movement
- Ribosomes
- Nuclear envelop
- Binary fission
The digestive vacuoles and auto phagosomes are also known as
- Phagocytosis
- Secondary lysosomes
- Primary lysosomes
- Peroxisomes
Movement of molecules against the concentration gradient is
- Facilitated transport
- Filtration
- Active transport
- Passive transport
Cell wall may be absent in which of the following?
- Fungi & Archaea
- Plant & Algae
- Bacteria & Archaea
- Algae & fungi
Proteins are the main _____ of the cell
- Structural components
- Physiological components
- Functional components
- Biological components
Hydrolysis process is a reverse of _____ process
- Convection
- Condensation
- Photolysis
- Deduction
Which of the following is a conjugated molecule?
- Protein
- Glycoproteins
- Vitamins
- Lipid
Butyric acid is a ____ carbon fatty acid
- 2
- 4
- 6
- 8
What does the term bacteriophage refer to
- Combination of bacterium & virion
- A Virus that infects bacteria
- A Virus that infect virus
- A virus which behaves as bacteria
Human bone cells contain ______% of water?
- 20
- 90
- 85
- 40
Upon initial hydrolysis starch yields;
- Mannose
- Glucose
- Maltose
- Sucrose
What is color of Chlorophyll-B molecule
- Yellowish green
- Dark green
- Blueish green
- Reddish green
Electron transport chain explains;
- Mechanism of ATP synthesis
- Photolysis
- Photophosphorylation
- Z-scheme
Each carrier in transport chain is first _____and then ______ .
- Oxidized, Reduced
- Broken-down, Regenerate
- Generated, Broken-down
- Reduced, Oxidized
What is the end product of glucose in yeast in anaerobic respiration?
- Ethanol and oxygen
- Ethanol and co2
- Ethanol and water
- Lactic acid and co2
The enzymes integrase, protease and reverse transcriptase are found in which virus
- Human immunodeficiency virus
- Influenza virus
- Herpes virus
- Hepatitis A virus
How many tail fibrils are attached to the end plate of a bacteriophage?
- 4
- 6
- 8
- 2
Which of the following virus contains single stranded DNA
- Herpes virus
- Adeno virus
- Pox virus
- Parvo virus
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