ETEA MDCAT Past Paper 2023

ETEA MDCAT Past Paper 2023 MCQs for Medical and dental colleges admission test in KPK.

ETEA MDCAT Past Paper 2023 MCQs

The optimal pH of lipase (pancreas) is:

• 1.5 – 1.6
• 4.0 – 5.0
• 8.0
• 6.1 – 6.8

____ consists of units called dictyosomes:

• Lysosomes
• Golgi complex
• Glyoximes
• Ribosomes

Mitochondria is usually absent in:

• Muscle cells
• Mature RBCs
• WBCs
• Cardiac cells

The ATP formed in the preparatory phase of glycolysis is (are):

• 1
• 0
• 2
• 4

An example of competitive inhibitor molecule is:

• Metal ions
• Sulphonamide
• Cyanide
• Insecticides

Enzymes present in mammals work best at about:

• 50 C
• 30 C
• 40 C
• 20 C

Tay sech’s disease particularly results from the malfunctioning of:

• Vacuole
• Lysosomes
• Cell membrane
• Nucleus

Amino acids mainly differ from each other by the difference in their:

• Amino group
• Carboxyl group
• Hydrogen of alpha carbon
• R group

In alcoholic fermentation _____ ATP molecules are produced from 1 glucose molecule:

• 2
• 36
• 18
• 32

Which type of nerve impulse occurs in nonmyelinated neuron fibers

• Continuous Impulse
• Rapid impulse
• Saltatory impulse
• Jumping impulse

Where do phospholipids arrange themselves in a cell

• Inside the cytoplasm
• Inside the nucleus
• In the plasma membrane
• Inside the mitochondrial matrix

In sickle cell hemoglobin molecule, glutamic acid is replaced by:

• Valine
• Proline
• Glycine
• Glutamine

The head of some phages are icosahedral, which means that the head possess:

• 6 sides
• 10 sides
• 15 sides
• 20 sides

Aquatic mammals belong to the order:

• Chiropters
• Probosidea
• Cetacea
• Pholidota

 Who formulated the principle that ontogeny recapitulates phylogeny:

• Von bear
• Haeckel
• Herbert spencer
• Darwin

Salmonella typhi causing typhoid and Clostridium tetani causing tetanus are which type of bacteria

• Comma
• Bacilli
• Cocci
• Spirilla

Mastication causes exocrine glands under the tongue and in the back of mouth to secrete a watery liquid called

• Bile
• Bolus
• Saliva
• Pancreatic juice

How many pieces of ribonucleic acid (RNA) make up the genome of influenza virus

• 8
• 4
• 10
• 6

Light reaction occurs in _____ the of chloroplast:

• Granum
• Stroma
• Inner membrane
• Outer membrane

Which one of the following factors does not affect the rate of enzyme action

• Water concentration
• Substrate concentration
• Enzyme concentration
• Temperature

The first segment of the small intestine is:

• Colon
• Duodenum
• Ileum
• Jejunum

In human heart right atrium communicates with right ventricle through:

• Bicuspid valve
• Tricuspid valve
• Inter-auricular septum
• Ventricular septum

Saprophytic bacteria are:

• Autotrophs
• Parasites
• Decomposers
• Photosynthetic

Lactose is composed of:

• Fructose + Galactose
• Glucose + Glucose
• Glucose + Fructose
• Glucose + Galactose

The testes are male gonads which are situated outside the abdomen within a skin pouch called:

• Vasa efferentia
• Vas deferens
• Scrotum
• Epididymis

Lipid synthesis occurs in which one of the following organelle of the cell

• Mitochondria
• Endoplasm Reticulum
• Ribosome
• Golgi bodies

The Immune cells that clean up pus as a part of the bearing process is:

• Antibodies
• Neutrophils
• Macrophage
• Natural killer cell

The largest body of lymphoid tissue in the human body is:

• Pancreas
• Spleen
• Tonsils
• Thymus

The Purkinje fibers are the specialized fibers found in:

• Human brain
• Human heart
• Human lungs
• Human stomach

The green glands found in arthropods are concerned with:

• Circulation
• Digestion
• Excretion
• Respiration

Coral reefs are the characteristic feature of phylum:

• Platyhelminthes
• Porifera
• Arthropoda
• Coelenterate

Which of the following chemicals is used to preserve biological specimens:

• Formalin
• Iodine
• Glutaraldehyde
• Ethylene oxide

The transgenic plants, such as golden rice are produced primarily with the help of

• Proteus Mirabilis
• Agrobacterium tumefaciens
• Rolstonia solanacearum
• Escherichia coil

The capsule of a bacterial cell is a sticky gelatinous structure made up of protein and:

• Lipid
• Carbohydrate
• Alcohol
• Nucleotide

HIV belongs to a special class of virus known as:

• Novavirus
• Flavivirus
• Tetravirus
• Retrovirus

Which of the following agents can easily pass through filter paper

• Fungi
• Yeast
• Bacteria
• Virus

Which of the following hormones Is released by the posterior lobe of pituitary gland

• Growth hormone
• Prolactin
• Antidiuretic hormone
• Estrogen

The process of photophosphorylation takes place in:

• Nucleolus
• Golgi bodies
• Chloroplast
• Nucleus

The conjugated molecule that is primarily present in egg albumin is:

• Glycoprotein
• Lipoprotein
• Nucleoprotein
• Glycolipid

Choose the unsaturated fatty add among the following:

• Palmitic acid
• Oleic acid
• Steric acid
• Arachidic acid

____ is found in the exoskeleton of crabs:

• Cellulose
• Chitin
• Murein
• Hemi-cellulose

The prokaryotic cell wall composed of:

• Cellulose
• Chitin
• Murein
• Pectin

Which of the following organelle is regarded as self replicating organelle:

• Golgi Bodies
• Vacuole
• Mitochondria
• Endoplasmic reticulum

Identify fossil bird among the following:

• Eques
• Python
• Dawn Horse
• Archaeopteryx

A condition that renders the individual less able to form blood clot is:

• Thalassemia
• Alport’s syndrome
• Hemophilia
• Coffin-Lowry syndrome

Drosophila melanogaster is the scientific name of:

• House By
• Fruit fly
• Sand fly
• Flash fly

G.J Mendel chose _____ as an experimental plant for his study:

• Lens culinaris
• Delonix regia
• Pisum sativum
• Medicago saliva

The most common symptom of gonorrhea in males is:

• Skin rash on neck
• Chancre
• Painful urination
• Joint pain

The syphilis is a _____ disease

• Fungal
• Viral
• Protozoic
• Bacterial

Fallopian tube Is also known as:

• Ovaries
• Uterus
• Oviduct
• Cervix

The hormone “calcitonin- is secreted by:

• Thyroid gland
• Adrenal gland
• Pancreas
• Parathyroid gland

The activities like sleeping, walking and dreaming are controlled by which part of brain:

• Cerebellum
• Hippocampus
• Olfactory bulb
• Pons

The size of synaptic cleft (the gap separating nerve cells) in electrical synapse is:

• 20 nm
• 200 nm
• 0.2 nm
• 2 nm

A sarcomere is the region of a myofibril between two successive:

• I-line
• M-line
• A-line
• Z-line

The joint present between wrist bones is:

• Ball and socket joint
• Fibrous joint
• Cartilaginous joint
• Hinge joint

Which of the following connective tissues consist of cells known as chondrocyte

• Cartilage
• Myocardium
• Bone
• Periosteum

Smoking cigarettes or drinking alcohol leads to:

• Legal drugs
• The use of tobacco in educational institutions
• Soft drugs
• Illegal drugs

Find error in the sentence If any: I just don’t want to get out off bed today

• Get out
• Just
• Off
• No error

The word which does not fit in the sentence is: You can either come with me now nor walk home later

• Can
• Nor
• Now
• Either come

This sentence is: We met rather few people who spoke English

• Complex
• Compound complex
• Simple
• Compound

Identify this clause: Something odd was happening all around the world

• Relative clause
• Independent clause
• Subordinate clause
• Dependent clause

The flower girl sold him flowers

• Indirect object
• Predicate
• Complement
• Direct object

If I were younger I _____ around the world

• Would travel
• Would have travelled
• Will travel around the world
• Travel

Choose the correct spelling:

• Loquacious
• Loqucious
• Loquetious
• Loqacious

The director as well as the manager of the hotel _____ attending the meeting

• Has
• Were
• Are
• Is

Choose the correct preposition: All you think and hanker _____ is government service

• Upon
• At
• For
• On

[ Choose the correct articles ]: I like _____ blue T-shirt aver there better than _____ red one

• the – the
• No article – the
• a – the
• the – a

If 20µf capacitor is charged 200 V. Its stored energy is:

• 4000 J
• 2000 J
• 0.4 J
• 4 J

If both the plate area and the plate separation of a parallel-plate capacitor doubled, the capacitance is:

• Doubled
• Halved
• Tripled
• Unchanged

The slope-of the charge-time graph for a charging capacitor gives:

• Force
• Current
• Energy
• Voltage

Radioactive Sr has a half-life of 30 years. What percent of a sample of Sr will remain after 90 years

• 0%
• 75%
• 12.5%
• 50%

The ratio of shortest wavelength to longest of Lyman series is:

• P
• 4
• 3/4
• 4/3

The shortest wavelength associated to Paschen series is:

• λ=8/RH
• λ=4/RH
• λ=9/RH
• λ=19/RH

The wavelength of photon “A” is half the wavelength of photon “B”. The energy of a photon “A” is:

• One-fourth of energy of Photon B
• Equal to energy of Photon B
• Twice the energy of Photon B
• Half the energy of Photon B

For half wave rectification, the number of diode needed in a circuit is:

• 3
• 2
• 4
• 1

For induced emf to be produced in a coil, the magnetic flux linked with a coil must:

• Only decrease
• Only increase
• Be changed
• Be constant

A constant magnetic field of 5T is passing through a static conducting loop of area 0.8 m^2, the induced emf is:

• 4 V
• 32 V
• 10 V
• Zero

When the magnetic force acts on a charge particle, change occurs in:

• Magnitude and direction of velocity
• Magnitude of velocity only
• Neither direction nor magnitude of velocity
• Only the direction of velocity

The magnitude of the magnetic flux through area A has exactly the same value at angles:

• 270° and 360°
• 180° and 270°
• 90° and 180°
• o° and 180°

Ampere second is the unit of:

• Potential difference
• Charge
• Power
• Current

A certain X-ray tube requires a current of 5 mA at a voltage of 60kV. The rate of energy dissipation (in watts) is:

• 200
• 560
• 300
• 800

Of the following, the copper conductor that has the least resistance must be:

• Thin, long and hot
• Thin, short, cool
• Thick, short and cool
• Thick, long, hot

In how many hours a 1000 watt AC will consume one unit of electricity

• 0.5 hr
• 1.5 hr
• 2 hr
• 1 hr

A wire of length L has resistivity ρ. If the wire is divided in two halves, then resistivity of each halve is:

• ρ
• ρ/3
• ρ/2
• 2p

1 volt × 1 ampere is equal to:

• 1 coulomb
• 1 hp
• 1 watt
• 1 newton

 For 0.5 Siemens of conductance, resistance will be:

• 1Ω
• 20 Ω
• 10 Ω
• 2Ω

Work done during isochoric process is:

• Negative
• Maximum Positive
• Maximum Negative
• Zero

The expression Cp – R is equal to:

• R
• R + Cv
• Cv
• Cp – Cv

If the pressure of air enclosed in a long tube Is increased 10 times, then speed of sound will:

• Remain constant
• Become zero
• Decrease
• Increase

The square root of the ratio of elasticity to mass density is equal to:

• Product of frequency and wavelength
• Refractive index
• Co-efficient of Viscosity
• Force

The longitudinal waves travel more slowly in _____ than _____ in.

• Liquid, gases
• Solids, gases
• Gases, solids
• Solids, liquid

The angular speed of the second hand of a watch is:

• (π/60) rad/sec
• (π/30) rad/sec
• (π/1800) rad/sec
• (2n) rad/sec

A fly wheel rotates at constant speed of 600 rpm. The angle described by the shaft In radian in one second is

• 100 π
• π/24
• 20 π
• 24 π

The angular speed In radian/hour for daily rotation of our earth is

• π/24
• π/12
• 24 π
• 12 π

The speedometer of a car shows 36 km/hr. The angular speed of the wheels having 0.5m radius is:

• 5 rad/sec
• 10 rad/sec
• 15 rad/sec
• 20 rad/sec

Which of the following bodies has the largest kinetic energy

• Mass 3M and speed 3V
• Mass M and speed 4V
• Mass 3M and speed 2V
• Mass 3M and speed V

The weight of a body is 120 N and it Is lifted to height 10m. work done on the body is:

• 100 J
• 1000 J
• 1200 J
• 120 J

When the range of projectile is equal to one fourth of the height then which one is true

• Tanθ = 10
• Tanθ = 1
• Tanθ = 16
• Tanθ = 12

Complete the following series: KCD, LEF, MGH, _____, OKL.

• PJI
• NQM
• NIJ
• NJI

Alkoxy carbonyl functional group is present in:

• Aldehyde
• Ether
• Ester
• Carboxylic acid

Crystal having orthorhombic crystal system is

• BaSO4
• 2NO
• PbCrO4
• K2Cr2O7

Trypsinogen can be activated by the action of

• Amylase
• Enterokinase
• Glucokinase
• HCl

The IUPAC name of formyl chloride is:

• Chloro methane
• Chloro methanoic acid
• Chloro methanoate
• Methanoyl chloride

Number of carbon atoms in valeric acid is:

• 7
• 4
• 5
• 6

In conversion of acid halides to ester. pyridine is used to:

• Consume HCl formed in the reaction
• Stabilize acid halides
• Dehydrogenate acid halides
• Dehydrate alcohol

Fehling’s solution works on the principle of redox reaction which results in:

• Oxidation of Copper (II)
• Reduction of Aldehydes
• Oxidation of Aldehydes
• Oxidation of ketone

Aldehyde and ketone on reaction with hydroxylamine form

• Oxime
• Hydrazine
• Hydrazone
• Imine

Propylene glycol and trimethylene glycol are:

• Metamers
• Tautomers
• Functional group isomers
• Position isomers

Propylene glycol and trimethylene glycol are:

• Metamers
• Position isomers
• Functional group isomers
• Tautomers

When phenol reacts with excess of bromine in aqueous solution it results in the formation of

• Meta bromophenol
• Ortho/para bromophenol
• 2,4,6-Tribromophenol
• 3,5- Dibromophenol

The correct sequence of electronic configuration is:

• 4p 3s 4d 5p 6s 4f 5d
• 4p 4s 4d 5p 5s 4f 5d
• 4p 5s 4d 5p 6s 4f 5d
• 4p 4s 4d 5d 5s 5f 6d

Which of the following involve the same steps

• SN1 and SN2
• E1 and E2
• E2 and SN1
• E1 and SN1

SN1 reactions mostly result In partial racemization. In partial racemization there is

• Retention only
• Inversion only
• Equal inversion and retention
• More inversion than retention

Greater number of alky groups on substrate favors

• Substitution reaction
• Oxidation reaction
• Elimination reaction
• Free radical reaction

Among the following hydrocarbons which one has acidic hydrogen

• C2H4
• C2H6
• C3H6
• C2H2

Identify the electrophile called as acylium ion:

• RNO*
• R3N+
• RCO+
• RCOO

Benzene1,3-dloi Is also Known as:

• Catechol
• O-Cresol
• Resorcinol
• Hydroquinone

 Which one of the following is not Meta directing group

• -COR
• -CHO
• -NO2
• -NR2

Ethyl alcohol in the presence of H2SO4, at 170 C produces:

• Ethene
• Ethane
• Ether
• Ester

Pyrole belongs to which class of compounds:

• Alicyclic
• Hydrocarbons
• Heterocyclic
• Homocyclic

Which one has one unpaired electron in the valence shell

• Fe^+3
• Zn^+2
• Ti^+3
• Cu+

Which one of the following Is covalent in nature

• Ca3N2
• Mg3N2
• Be3N2
• Ba3N2

Indicate superoxide in the following:

• Na2O2
• CaO
• BaO2
• RbO2

Element whose salts do not impart color to name test is

• Ca
• Cs
• K
• Be

Choose the element that forms normal oxides only:

• Li
• K
• Rb
• Na

The bond length between double bonded carbon atoms is

• 1.54 A°
• 1.10 A°
• 1.34 A°
• 1.82 A°

Molecule having the highest bond energy (Experimentally) is:

• HF
• HCl
• HI
• HBr

The molecular shape of a molecule with three bonded atom and one lone pair electron on the central atom will be:

• Trigonal pyramidal
• Linear
• Trigonal planar
• Tetrahedral

 In redox reaction of SO2 with KMnO4 in acidic medium

• SO2 is oxidezes KMnO4
• KMnO4 is inert in acidic medium
• SO2 is reduces KMnO4
• SO2 cant undergo redox reaction

Processes involving solids and liquids having their

• ΔH= ΔE + PΔV
• ΔH= 0
• ΔH= PΔV
• ΔH= ΔE

SI unit of specific heat capacity is:

• JmolK^-1
• Jk^-1
• Kj/mol
• Jg^-1 k^-1

As compared to exothermic reaction, formation of activated complex in endothermic reaction requires:

• Equal Ea
• No Ea
• Greater Ea
• Smaller Ea

For Δn=0

• Kp < Ka
• Kp ≠ Ka
• Kp > Ka
• Kp = Ka

If ionic product is less than Ksp then:

• Precipitation will occur
• Solution will be saturated
• No precipitation will occur
• Solution will be super saturated

Haber’s process is used for the synthesis of ammonia. The optimum temperature for the Haber process is:

• 400 – 450 C
• 500 – 600 C
• 130 – 150 C
• 35 – 50 C

Identify the molecular formula of Furan:

• C4H3O
• C4H4O
• C5H3O
• C4H5O

Which of the following can form Hydrogen bonding with each other

• Acetone & Acetaldehyde
• Amine and H20
• Methanal & Ethanal
• Propanone & ethyl methyl ketone

Compound having lowest boiling point is

• Carbon tetrachloride
• Ethyl alcohol
• Benzene
• Acetic acid

All of the following crystals system have β=γ=90 except

• Rhombohedral
• Orthorhombic
• Tetragonal
• Cubic

The volume occupied by 3.2 g of oxygen gas at STP

• 22.4 dm3
• 2.24 dm3
• 24 dm3
• 1.12 dm3

1 atm of pressure is equal to all of the following except:

• 760 cm Hg
• 101325 pa
• 760 mm Hg
• 760 torr

The maximum e/m ratio for positive rays is obtained rays is obtained when the discharge tube contain:

• N2
• He
• H2
• Ne

Photon of the lowest wavelength is related to:

• Pfund series
• Bracket series
• Paschen series
• Balmer series

The number of orientation of a sub-shell for which n=4 and 1=3 will be:

• 1
• 5
• 7
• 3

117g of NaCI have

• 1.204 × 10^23 molecules of NaCl
• 6.023 × 10^23 molecules of NaCl
• 12.04 × 10^24 formula unit of NaCl
• 12.04 × 10^24 formula unit of NaCl

Read More: All MDCAT Past Papers for medical and dental colleges admission test preparation in Khyber Pakhtunkhwa.