ETEA MDCAT Past Paper 2023 MCQs with Answers PDF

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):

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:

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

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:

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:

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

Choose the element that forms normal oxides only:

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:

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:

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:

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.

ETEA MDCAT Past Paper 2023 MCQs

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