Test cross is made to check the genotype of a trait. Which of the following crosses is a test cross?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Unknown x At
B) Unknown x tt
C) Unknown x AB
D) Unknown x TT

The part of brain which guides smooth and accurate motions and maintains body position is:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Cerebrum
B) Cerebellum
C) Pons
D) Medulla

Proteins are the main __________ of the cell?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Physiological components
B) Functional components
C) Structural components
D) Biological components

To study sex linkages in Drosophila, Morgan mated white eyed males with wild type red eyed females. What will be the phenotye of offspring?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) All red eyed males and females
B) Red eyed females and white eyed males
C) White eyed females and red eyed males
D) All white eyed females and males

A hormone that plays a major role in social bonding, childbirth, milk ejection and sexual reproduction is:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Estrogen
B) Oxytocin
C) Prolactin
D) Secretin

How may tail fibrils are attached to the end plate of a bacteriophage?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) 2
B) 4
C) 6
D) 8

The enzymes integrase, protease and reverse transcriptase are found in which virus?

Punjab MDCAT 2022
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Hepatitis A virus
B) Herpes virus
C) Influenza virus
D) Human immunodeficiency virus

The lymphatic vessels of the body empty the lymph into blood stream at?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Abdominal vein
B) Jugular vein
C) Subclavian vein
D) Bile duct

Cell wall may be absent in which of the following?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Plant & Algae
B) Algae & Fungi
C) Fungi & Archaea
D) Bacteria & Archaea

What is the end product of gIucose by yeast in anaerobic respiration?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Ethanol and oxygen
B) Ethanol and water
C) Ethanol and CO2
D) Lactic acid and CO2

A compound of sodium oxide has 74.2 Ofo sodium and 25.8% of Oxygen. The empirical formula of the compound is?

Punjab MDCAT 2022
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Nao
B) NaO2
C) Na2O
D) Na2O2

Which one is common in both prokaryotic and eukaryotic cells?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Cytoplasmic streaming movement
B) Ribosome
C) Binary fission
D) Nuclear envelope

Which one of the following is X Linked Dominant disorder?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Haemophilia
B) Color blindness
C) Hypophosphatemic rickets
D) Becker muscular dystrophy

Adaptations that an organism acquires by its own actions during its fife span without modifying its genome are:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Heritable
B) Non-heritable
C) Can be made heritable through so modification
D) Sometimes heritable and othertim non-heritable

One a. m .u stands for

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) An atom of C – 12
B) 1/12th of a carbon
C) 1/12th of H
D) 1 atom of all the elements

Major source of transmission of syphilis is:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Blood transfusion
B) Insect bite
C) contaminated water
D) Sexual contact

Water vascular system or ambulacral system is a unique and complex system specially present in?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Sponges
B) Arthropods
C) Echinoderms
D) Fishes

What happens when a Rh -ve woman, married to a Rh +ve man conceivesa child who is Rh +ve?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Maternal-foetal incompatibility
B) Paternal-foetal incompatibility
C) Cancer of fetus
D) Death of mother

Hinge joint is present between which of the following bones?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Humerus and radio-ulna
B) Femur and pectoral girdle
C) Femur and acetabulum
D) Humerus and pectoral girdle

Non-competitive inhibitor molecules have:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) A similar structure to the normal substrate molecule
B) A quite different structure from the substrate molecule
C) A different conformation but fit into the active site
D) A similar conformation but does not fit into the active site

Each carrier in Electron Transport Chain is first __________ and then _________.

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Broken-down, Regenerate
B) Generated, Broken-down
C) Oxidized, Reduced
D) Reduced, Oxidized

The digestive vacuoles and autophagosomes are also known as?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Phagocytosis
B) Primary lysosome and autophagy
C) Secondary lysosome
D) Peroxisome

What is the best physiological pH for optimum functioning for most of the cellular enzymes of human?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) 2-3 pH
B) 3-5 pH
C) 6-8 pH
D) 8-10 pH

________ are the structures formed by invagination of the plasma membrane and have been associated with cell division and DNA replication in prokaryotic cells.

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Lysosomes
B) Mesosomes
C) Golgi bodies
D) Phragmoplasts

The cell wall of Bacteria is made up of:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Chitin
B) Murein
C) Cellulose
D) Hemicellulose

What is the colour of Chlorophyll-b molecule?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Blueish green
B) Yellowish green
C) Dark Green
D) Reddish green

Which of the following statement is correct?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Tuberculosis and Pneumonia are caused by Gram Positive Bacteria
B) Tuberculosis and Pneumonia are caused by Gram Negative Bacteria
C) Pneumonia is a lung disease caused by Gram Negative Bacteria
D) Tuberculosis is a lung disease caused by Gram Negative Bacteria

Which of the following are single membranous organelles?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Mitochondria and ribosomes
B) Cytosol, mitochondria and ribosomes
C) Golgi bodies, Lysosome and ER
D) Golgi bodies, lysosome and mitochondria

Human Bone cells contain __________ % of water?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) 20
B) 40
C) 85
D) 90

Which of the following is NOT a consequence of anaerobic respiration In humans muscles cells?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Cramps
B) High consumption of energy
C) Pain
D) Tiredness

Digested food from intestine is carried to the fiver by?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Hepatic artery
B) Hepatic vein
C) Hepatic portal vein
D) Hepatic portal artery

Enzymes lower the activation energy by stabilizing the transition state of a metabolic reaction due to?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Changing conditions within the active site
B) Changing conditions within the protein framework
C) Rearranging the fatty acids in active site
D) Distorting the molecules in the allosteric site

Which of the followingis a conjugated molecule?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Protein
B) Lipid
C) Glycoproteins
D) Vitamins

Which of the following is a muscle component that act as store for energy?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) ATP
B) Creatine-P04
C) Myoglobin
D) Creatinine-P04

Butyric acid isa ________ carbon fatty acid.

Punjab MDCAT 2022
Biology
Elimination Tool:

A) 6
B) 2
C) 4
D) 8

Movement of molecules against the concentration gradient is?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Passive transport
B) Active transport
C) Facilitated diffusion
D) Filtration

Which cells In the human males are responsible for the release of testosterone?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Pituitary Gland
B) Hypothalamus
C) Sertoli cells
D) Leydig cells or interstitial cells

The respiratory surfaces exhibit following characteristic?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) It must be permeable
B) It must be thick for low diffusion
C) It should be non-vascularized
D) It should have low ventilation mechanism

Fertilized ovum is implanted and undergoes further development in the:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Ovary
B) Uterus
C) Oviduct
D) Cervix

Upon initial hydrolysis starch yields:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Maltose
B) Glucose
C) Sucrose
D) Mannose

Silver fish is a/an?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Insect
B) Mollusc
C) Jawless fish
D) Cartilaginous fish

DNA stores biological information in discrete units termed as:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Genes
B) Phenotypes
C) Phenotypes
D) Cells

Level of luteinizing hormone {LH) is maximum in blood during which stage of menstrual cycle?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Menstrual stage
B) Proliferative stage
C) Ovulation stage
D) Secretory stage

The neurotransmitter active outside the CNS {Central Nervous System) is:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Acetylcholine
B) Dopamine
C) Glutamate
D) Serotonin

The division of cocci in three planes form Sarcina, which is a cube of __________ Cocci?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) 02
B) 04
C) 08
D) 16

The pressure exerted by a solution separated by a semipermeable membrane from pure water is _________?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Osmotic Pressure
B) Soil potential
C) Solute potential
D) Solvent potential

Tissue are not found in the following animal?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Flat worms
B) Sponges
C) Cnidarians
D) Round worms

The animal species on Galapagos resemble species living on the:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Northern Europe
B) Great Britain
C) North American mainland
D) South American mainland

Mode of Inheritance in humans can be traced through:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Experimental Mating
B) Chi Square Chart
C) Pedigree analysis
D) Probability analysis

Number of layers present in Gram-negative bacterial cell wall:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) one
B) two
C) three
D) four

Flow of blood in the capillaries is adjusted by?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Heart directly
B) Pre-capillary sphincters
C) Meta-arterioles
D) Valves

____________ proteins are produced by WBC in response to __________ and provide immunity?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Antibiotics, antigen
B) Antibodies, RBC
C) Globulin, histamine
D) Antibodies, antigen

Each human, testis is divided into:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) 50-100 lobules
B) 150-200 lobules
C) 200-300 lobules
D) 250-300 lobules

Hormone produced by placenta is:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Follicle-Stimulating Hormone (FSH)
B) Luteinizing Hormone (LH)
C) Progesterone
D) Testosterone

Competitive inhibitors compete with?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Enzyme
B) Substrate
C) Product
D) Coenzyme

Electron transport chain explains:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Photophosphorylation
B) Z-Scheme
C) Photolysis
D) Mechanism of ATP synthesis

What is FALSE about cartilage?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) There are many blood vessels in cartilage
B) It is a form of connective tissue
C) It covers ends of the bones at joints
D) It is much softer than bone

According to the Biogenetic Law of Ernst Haeckel:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) There is survival of the fittest
B) There is use and disuse of organs
C) Phylogeny recapitulates ontogeny
D) Ontogeny recapitulates phylogeny

Nitrifying bacteria are the examples of:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Heterotrophic bacteria
B) Chemosynthetic bacteria
C) Saprophytic bacteria
D) Parasitic bacteria

Hydrolysis process is a reverse of _________ process.

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Photolysis
B) Condensation
C) Deduction
D) Convection

Unique three-dimensional shape of the fully folded polypeptide, constitutes:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Primary structure of protein
B) Secondary structure of protein
C) Tertiary structure of protein
D) Quaternary structure of protein

For evolutionary process to occur, which of the following is NOT a geographical barrier?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Ocean
B) River
C) Mountain
D) Atmosphere

Round worms belong to which phylum?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Annelida
B) Coelenterata
C) Nematoda
D) Platyhelminthes

Zinc ion is attached at the active site of the enzyme carboxypeptidase. The zinc ion functions as:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) A coenzyme molecule
B) An activator
C) An inhibitor molecule
D) Controller of Allosteric site

The middle layer of meninges is:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Arachnoid mater
B) Pia mater
C) Dura mater
D) Cranium

There is no clear difference between dendrites ar;id axons in sensory neurons, except:

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Thickness
B) Length
C) Terminal portions
D) None of the above

Which of the following is a prokaryote?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Protista
B) E.coli
C) Amoeba
D) Fungi

Which of the following is NOT found in skeletal muscle fibers in human?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Multiple nuclei
B) Multiple mitochondria
C) Large amount of myoglobin
D) Large amount of hemoglobin

A 3 V battery is connected in series with ammeter and 2 ohm resistance after short circuiting. What will be the reading of ammeter?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 1 A
B) 1.5 A
C) 5 A
D) 6 A

The half-life of Strontium (Sr) is 8.70 hours. Its decay constant is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 0.000022 s
B) 45000 /s
C) 0.000022 / s
D) 0.000032 / s

The shortest distance between any two points. in phase on a wave is called:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Displacement
B) Amplitude
C) Wavelength
D) Frequency

In a photoelectric effect experiment, the stopping potential is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) The kinetic energy of the most energetic electron ejected
B) The potential energy of the most energetic electron ejected
C) The photon energy
D) The electric potential that cause electron current to vanish

Gauss law cannot be used to find which of the following quantity?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Electric field intensity
B) Electric flux density
C) Charge
D) permittivity

A longpring, when stretched by a distance x, has potential energy V. On increasing the stretching to nx, the potential energy of the spring will be:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) nV
B) V/n
C) n2 V
D) V/n2

A fighter plane is moving in a vertical circle of radius r. Its minimum velocity at the highest point of the circle will be?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) √3gr
B) √2gr
C) √gr
D) √(gr/2)

It has been observed that Thorium (_90234)Th is transformed into Protactinium (_91234)Pa after the emission of particle:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Alpha
B) Beta
C) Gamma
D) Alpha, Beta, Gamma

An airplane travels at a speed of 0.5v where v is the speed of sound. The airplane approaches a stationary observer .The frequency of sound emitted by the aircraft is in Hz. Which frequency does the observer hear?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 400 HZ
Show Explanation
B) 100 HZ
Show Explanation
C) 120 HZ
Show Explanation
D) 180 HZ
Show Explanation

A distant star is receding from the Earth with a speed of 1.4o x 107 m/s. It emits light of frequency 4.57 x 1014 Hz. The speed of light is 3.0 x 108 m/s. The Doppler effect formula can be used with light waves. What will bethe frequency of this light when detected on Earth?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 2.04 x 1013 Hz
B) 4.6 x 1014 Hz
C) 4.57 X 1014 Hz
D) 4.79 X 1014 Hz

A copper hoop is held ina vertical east-west plane in a uniform magnetic field whose field lines run along the north-south direction. The largest induced emf is produced when the hoop is.

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Rotated about a north-south axis
B) Rotated about an east-west axis
C) Moved rapidly, without rotation toward the east
D) Moved rapidly, without rotation toward the south

Which of the following increase by increasing amplitude?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Wavelength
B) Frequently
C) Zero
D) Loudness

Ignoring details associated with friction, extra forces exerted by arm and leg muscles, and other factors, we can consider a pole vault as the conversion of an athlete’s running kinetic energy to gravitational potential energy. If an athlete is to lift his body 5m during a vault, what speed must he have when he plants his pole?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 5 m/s
B) 10 m/s
C) 15 m/s
D) 20 m/s

Thermodynamics is that branch of Physics in which we study

Punjab MDCAT 2022
Physics
Elimination Tool:

A) relations between heat and mechanical
B) relations between heat and ionization energies
C) relations between chemical and mechanical energies
D) relations between kinetic and potential energies

Temperature of given mass of a gas is changed from 150°C to 300°C during an isobaric process, volume of the gas will become:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Half
B) Double
C) Remain same
D) Less than double

A capacitor is charged with a battery and energy stored is u. After disconnecting battery another capacitor of same capacity is connected in parallel to the first capacitor. Then energy stored in each capacitor is

Punjab MDCAT 2022
Physics
Elimination Tool:

A) U/2
B) U/4
C) 4U
D) 2U

Which surface has greater magnetic flux in same magnetic field, each has an area 1 m2.

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Circular
B) Rectangular
C) Square
D) Flux is independent of shape

What do the substances whose resistance decreases with increase in temperature have?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) high temperature coefficient
B) negative temperature coefficient
C) positive temperature coefficient
D) zero temperature coefficient

One meter long copper rod is moving with speed 20 m/sec in the magnetic field of strength 0.6 tesla. What is the value of induced emf?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 10 V
B) 12 V
C) 14 V
D) 16 V

The speed of electron in the first Bohr orbit is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 2.19 x 106 ms-1
B) 2.19x 10- 6 ms- 1
C) 2.19x 104 ms-1
D) 2.19×10-4 ms-1

The coulomb’s constant k depends upon:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) nature of medium
B) system of units
C) types of charge
D) nature of medium and system of units

In transformer, there is no ___________ connection between the two coils but they are linked?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Magnetic, electrically
B) Electrical, magnetically
C) Magnetic, magnetically
D) Electrical, optically

A charged particle is moving in a uniform electric field. For the motion of the particle due to the field, which quantity has a constant non-zero value?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) acceleration
B) displacement
C) rate of change of acceleration
D) velocity

Working principal of magnetic levitation train is according to?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Faraday law
B) Max planks law
C) Ohm law
D) Lenz law

The source of magnetic field is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) An isolated magnetic pole
B) Static electric charge
C) Nonmagnetic substance
D) Current loop

If the wavelength of light coming from a galaxy shifts towards the red end of space then galaxy is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Approaching Earth
B) Receding the Earth
C) Stationary
D) Approaching Earth or is stationary

The mechanical waves are not generated by:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Electric and magnetic fields
B) Coil of springs
C) Ropes
D) Water

Reducing mass M of a suspending body to one fourth will change the frequency of oscillation to:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) One fourth
B) Double
C) Quardruple
D) Half

When the temperature of semiconductor suddenly drops to zero kelvin, thena semiconductor acts as:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Conductor
B) Semi-conductor
C) Super conductor
D) Insulator

A low voltage supply with ane.m.f. of 20 V and an internal resistance of 1.5 ohms is used to supply power to a heater of resistance 6.5 ohms in a fish tank. What is the power supplied to the water in the fish tank?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 41 W
B) 50 W
C) 53 W
D) 62 W

A par.ticle of mass m at rest is acted upon by a force P for time t. Its kinetic energy is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) (P2 t2)/m
B) (P2 t2)/2m
C) (P2 t2)/3m
D) (P2 t2)/4m

A low energy neutron has RBE factor of 10. How much energy is absorbed by a man of mass 80 Kg if the value of equivalent dose is 400 rem?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 16 J
B) 32 J
C) 48 J
D) 64 J

The consumption of energy by a 60 W bulb in 2 s is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 120 J
B) 60 J
C) 30 J
D) 0.02 J

The resistance of a conductor does not depend on which of the following?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) area
B) resistivity
C) length
D) mass

The line spectrum of hydrogen atom contains the spectral Iines in the region of:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) ultraviolet
B) infrared
C) visible
D) all of these

When a gas is compressed isothermally, the product of its pressure and volume during the process is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) not constant
B) constant
C) zero
D) proportional

If a flywheel is rotating at 3.0 rad/s, the time ·’t at kes to complete one revolution is

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 0.67s
B) 10. s
C) 1.3s
D) 2.1 s

The unit of ∆Φ/∆t can be written as?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) NmA-2s-1
B) NmAs-1
C) NmA-1s-1
D) NmA-2s1

If electron, proton, neutron, and alpha particle have same velocity which of them have shortest wavelength?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Electron
B) Proton
C) Neutron
D) Alpha particle

What is the potential difference between two point in an electric field if it takes 600 J of energy to move a charge of 2 c between these two points?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 1200 J
B) 800 J
C) 300 J
D) 0J

The process of ejection of loosely bound electrons from a certain photo sensitive surface by absorption of photon is called:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Compton effect
B) Photoelectric effect
C) Pair production
D) Black body radiation

A capacitor of capacitance ‘C’ has a charge ‘Q’ and stored energy is ‘w’ If the charge is increases to ‘2Q’. The stored energy will be:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 2W
B) 4W
C) W/4
D) W/2

When will the oscillations stop in the absence of resistive forces?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Never
B) After 10 minutes
C) In 10 minutes
D) Immediately

The number of revolutions in 3n radians is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 1/60
B) 3/2
C) 2
D) 6

Which one of the following statements is true?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) electrostatic force obeys inverse square law while gravitational force does not
B) Both gravitational force and electrostatic force are repulsive in nature
C) gravitational force is much weaker than electrostatic forced.
D) Both electrostatic force and gravitational force don’t obey inverse square law

Electric forces change the magnitude and direction of velocity while magnetic forces change ________ of velocity.

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Only Magnitude
B) Only direction
C) Magnitude and direction
D) Neither magnitude nor direction

Which of the following statement is NOT CORRECT about Kirchhoff’s rule?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Kirchhoff’s current rule based upon the law of conservation of charge
B) Wheatstone bridge is an application of Kirchhoffs rule
C) Kirchhoff’s rules are more suitable in AC circuits
D) Klrchhoff’s voltage rule based upon the law of conservation of energy

How much potential drop exist across closed switch?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) 0 V
B) 1V
C) 2V
D) 3V

Observe the pattern and select the next term in the sequence: CAB, FAE, IAH

Punjab MDCAT 2022
Logical Reasoning
Elimination Tool:

A) JHK
B) LAK
C) JGK
D) IGJ

I. The literacy rate in the district has been increasing. II. The district administration has conducted extensive training program for the workers involved in the literacy drive.

Punjab MDCAT 2022
Logical Reasoning
Elimination Tool:

A) Statement I is the cause and statement II is its effect
B) Statement II is the cause and statement I is its effect
C) Both the statements I and II are independent causes
D) Both the statements I and II are effects of independent cause

Some bags are pouches. All pouches are cases. No cases are purses. Which of the following conclusions are NECESSARILY TRUE?

CONCLUSIONS:

I. Some pouches are purses.

II. Some bags are cases.

III. No bags are purses.

Punjab MDCAT 2022
Logical Reasoning
Elimination Tool:

A) I and II
B) I and III
C) II
D) II and III

Read the following and choose the correct answer:

Drake was wearing a blue shirt with black jeans and brown shoes. John was wearing a red shirt with black jeans and black shoes. Ahmad was wearing black jeans, a blue or red shirt, and shoes that were not black. Who did he see?

Punjab MDCAT 2022
Logical Reasoning
Elimination Tool:

A) Ahmad
B) John
C) Drake
D) Cannot elicit from given information

Read the passage and the following statements below. Then choose the correct option, basing your answer only on the information provided.

Queen Elizabeth II’s Platinum Jubilee, celebrating her 70 years on the British throne, was above all a tribute to one of history’s great acts of constancy. Her reign spanned virtually the entire post-World War II era, making her a witness to cultural upheavals from the Beatles to Brexit.

STATEMENTS:

I. There has been another queen of the British throne named Elizabeth tlefore her.

II. Brexit is a normal occurrence.

III. Elizabeth was Queen of the British during World War II.

Punjab MDCAT 2022
Logical Reasoning
Elimination Tool:

A) I, II and III; all are correct
B) Only llI is correct
C) Only I is correct
D) Only I and III are correct

Read the following statement, assuming everything in it to be true. Then decide which of the given suggested courses of action logically follow and are worth pursuing.

Statement:

‘”Aalia wants to sleep but cannot due to regular noise in and around her house everyday.”

Courses of Action:

I. Insert good quality noise blockers into her ears.

II, Take strong sleeping pills.”

Punjab MDCAT 2022
Logical Reasoning
Elimination Tool:

A) I
B) II
C) Both I and II
D) Neither I nor II

What is the number of isomers of a hydrocarbon having a molecular formula, C4H8?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 2
B) 3
C) 4
D) 5

Why dimer of Aluminum chloride Is formed

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Aluminum is electron rich
B) Aluminum is having lone pair of electron
C) Aluminum donates lone Pair to form bridge
D) Aluminum forms coordinate bonds with chlorine to complete Its octet

The process of heat flow between hotter and colder gases remains continued until all the molecules have equal

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Average translational kinetic energy
B) Average rotational kinetic energy
C) Average translational potential energy
D) Average vibrational kinetic energy

AB4 Type with no lone Pairs geometry enables to form which shape of molecule?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Trigonal
B) Regular tetrahedron
C) Regular octahedron
D) Regular pyramidal

Which of the following term is state function?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Freezing
B) Decomposition
C) Sublimation
D) Enthalpy

A small building block which belongs to whole information about crystal structure is called?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Cell
B) Unit Cell
C) Crystal lattice
D) Crystal unit

The precipitation occurs if the ionic concentration is:

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Less than ksp
B) More than ksp
C) Equal to ksp
D) Present in any amount

Which group of the periodic table contain non-metals, metalloids and metals

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) I B
B) VII A
C) IV A
D) VI A

Which statement describes the conversion of magnesium atoms to magnesium ions for ionic bond formation with chlorine?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) The change is reduction, because there has been a gain of electrons
B) The change is oxidation, because there has been a loss of electrons
C) The change is reduction, because there has been a loss of electrons
D) The change is oxidation, because there has been a gain of electrons

Which of the most suitable reagent for the conversion of R-CH2OH –>RCHO?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) KMnO4/NaOH
B) K2Cr2O7/H2SO4 (Conc.)
C) CrO3
D) Cr2O4/H2SO4 (Conc.)

The compounds containing R-SH functional group are known as:

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Alcohols
B) Thia-alcohols
C) Thia-ether
D) Nitrile

Which of the following is also called silver mirror test?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Benedict’s solution test
B) Fehling’s solution test
C) lodoform test
D) Tollen’s reagent test

Which type of solid ls called as atomic solid?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Covalent solids
B) Ionic solids
C) Metallic solids
D) Molecular solids

Three alternate single and double bonds in benzene are called?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Conjugate bonds
B) Coordinate covalent bonds
C) Fixed bonds
D) Ionic bonds

Which of the following element has smaller size?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Na
B) K
C) Al
D) Li

Which gas in the discharge tube produces lightest canal ray particles?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Ar
B) He
C) H2
D) Ne

When food reaches stomach, the action of which of the following come to an end due to acidic PH?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Lipases
B) Amylase
C) Maltase
D) Hydrolases

Among UCI, BeCl2, NaCl, CsCI, the compounds with the greatest and the least ionic character respectively are:

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) LiCl and CsCI
B) NaCl and LiCI
C) CsCI and NaCl
D) CsCI and BeCl2

Which of the following complex show a tetrahedral geometry?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) [Fe(CO)5)
B) [Cu(CN)4)-2
C) [Au(Cl)4]-
D) [Pt(NH3)4]+2

In which pair one has all Unpaired d orbitals while other have all paired d orbitals?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Cu and Zn
B) Cr and Fe
C) Cr and Zn
D) Mn and Co

In which of the following functional groups, the carbon atom is sp hybridized?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) -CHO
B) -COOH
C) -CN
D) -COOR

An electrochemical cell is based upon which reaction?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Acid-base reaction
B) Redox reaction
C) Nuclear reaction
D) Neutralization reaction

Born-Haber cycle is used to determine the Lattice energy of Ionic compounds. It Is the application of

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Henry’s law
B) Le – Chatleir’s Principle
C) Hess’s law
D) Common Ion effect

When a heavy coin fallsa short distance towards the ground it does not reach terminal velocity. Why is this so?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) The coin has not hit the ground
B) The weight of coin is equal to air resistance
C) The weight of coin increases as air resistance increases
D) The weight of coin is more than air resistance

A gaseou mixture contains 9.6% NH3, 22.6% N2 and 67.8% H2 gases. If the total pressure Is SO atm, then the partial pressure of H2 is

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 67.8 x100 / 50
B) 50 x 100 / 100
C) 67.8 X 50/ 100
D) 67.8 +50/ 100

A fireman wants to slide down a rope. The breaking load of the rope is 3/4 th of the weight of theman. With what acceleration should the fire man slide down? ( Acceleration due to gravity is ‘g’)

Punjab MDCAT 2022
Physics
Elimination Tool:

A) g
B) g/4
C) 3g/4
D) 0

Which of the following is the correct definition of variablevelocity?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Unequal distances are covered in equal intervals of time
B) Equal displacements are made in unequal intervals of time
C) Unequal displacements are made in equal intervals of time
D) Equal displacements are made in equal intervals of time

Which of the following sulfate compound is insoluble In water?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) BeSO4
B) BaSO4
C) MgSO4
D) CaSO4

What is the overall order of this rate equation? Rate =k[H2][NO2]2

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 1
B) 2
C) 3
D) 4

What is the proton (atomic number) of an element that has four unpaired electrons in its ground state?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 6
B) 14
C) 22
D) 26

One can estimate the direction in which equilibrium will shift with the help of:

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Le Chatelier’s principle
B) Law of mass action
C) Hess’s law
D) Law of heat of formation

The decrease in solubility of the salt in a solution that already contains an ion common to that salt Is known as:

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Le Chatelier’s principle
B) Solubility Product
C) Common ion effect
D) Ksp

If carboxylic acid and ketone groups C=O are present in a chain then final name will be given as

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) oxo, oic acid
B) one, oic acid
C) Both 1 and 2
D) None of these

Which among the following have least pH?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) CH3CH2COOH
B) CH2CICH2COOH
C) CH3CHCI2COOH
D) CH3CH2CH2COOH

According to which scientist, the probability of finding an electron at a certain position is possible?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Bohr’s
B) De-Broglie
C) Hund’s
D) Schrodinger

____________ is a copper-containing protein found in blood plasma. It plays a crucial role in binding and transporting copper throughout the body.

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Hemoglobin
B) Glycoproteins
C) Ceruloplasmin
D) Histones

Which of the following compound is more acidic?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Alkane
B) Alkene
C) Alkyne
D) Cycloalkane

The catalysis in which the catalyst and the reactants are In the same phase is known?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Heterogeneous catalyst
B) Homogeneous catalyst
C) Slow
D) Fast

In which of the following, oxygen shows fractional oxidation number?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) OF2
B) Na2O2
C) KO2
D) Cl2O7

Benzene is formed when Na reacts with which of the following?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Alcohol
B) Butyl alcohol
C) Propanol
D) Phenol

Consider the chlorination of methane, the attack of chlorine free radical on methane form methyl free radical occurs in?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Initiation step
B) Propagation step
C) Termination step
D) Last step

A stone thrown horizontally from the top of a tall building follows a path that is:

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Circular
B) Made of two straight line segments
C) Hyperbolic
D) Parabolic

When halogen is removed from an alkyl halide a carbocation is formed, identify the most reactive carbocation

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Primary carbocation
B) Secondary carbocation
C) Tertiary carbocation
D) Methyl carbocation

Which of the following is the correct name of CH3CH2CH2COCH2CHO?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 3-oxo hexanal
B) 3-one hexanal
C) 2-oxo hexanol
D) 3-one hexanol

What is the common name of 1,2,3-propanetriol?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Butyl alcohol
B) Glycol
C) Glycerol
D) Propyl alcohol

Neopentylchloride belongs to which class of alkyl halides?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Primary alkyl halides
B) Secondary alkyl halides
C) Tertiary alkyl halides
D) Quaternary alkyl halides

Which of the following is incorrect?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Reaction force on a body is always unbalanced by the action force
B) Reaction force on a body is always balanced by the action force
C) Action and reaction forces never act on the same body
D) Newton’s Third Law is always valid in all situations

Which element has the ground state electronic configuration of 1s2, 2s2, 2p6, 3s2, 3p6?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Ar
B) Cl
C) Na
D) S

In liquid, with the change in dipole -dipole forces, there is a change in some physical properties. select the property which Is not affected by the strength of dipole-dipole forces?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) boiling point
B) heat of vaporization
C) heat of sublimation
D) moles

What is the shape of velocity-time graph for constant acceleration?

Punjab MDCAT 2022
Physics
Elimination Tool:

A) Parabola line
B) Straight line
C) Incline curve
D) Decline curve

The ratio of sigma to pi electrons in benzene is?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 1:3
B) 3:1
C) 4:1
D) 1:4

Alkylbenzene is formed when benzene is treated with an alkyl halide In the presence of anhydrous aluminum chloride, Identify the type of reaction.

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Halogenation
B) Friedel-Crafts acylation reaction
C) Friedel-Crafts alkylation reaction
D) Sulphonation

30 grams of 2-propanol were mixed with excess acidified K2Cr2O7 and boiled und r reflux for 20 minutes. The organic product was then collected by distillation. The yield of product was 75.0%. What is the mass of product produced?

Punjab MDCAT 2022
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 1.74g
B) 21.75g
C) 2.74g
D) 29 g

If we want to raise the temperature of one mole of an ideal gas by one kelvin we have to provide how much amount of energy?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) 0.0821 joules
B) 8.314 dm3-atm
C) 0.0821 KJ
D) 0.0821 dm³-atm

When carboxylic acids and dicarboxylic acids have similar molecular weights, how do their melting points compare?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Carboxylic acids have greater melting points
B) Dicarboxylic acids have greater melting points
C) Both acids have similar melting points
D) No any consistent trends exits

When Phenol reacts with formaldehyde, which of the following product is produced?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Adduct
B) Hydronium ion
C) Oxonium ion
D) Phenoxide ion

Which of the following factor does not affect the magnitude of vapor pressure?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) amount of liquid
B) size of molecule
C) temperature of liquid
D) intermolecular forces

Freon is commonly known as?

Punjab MDCAT 2022
Chemistry
Elimination Tool:

A) Refrigerant
B) A solvent
C) Insecticides
D) A fire extinguisher

Choose the most appropriate antonym for “abandonment”:

Punjab MDCAT 2022
English
Elimination Tool:

A) Cessation
B) Stoppage
C) Halt
D) Extension

Choose the most suitable or appropriate sentence out of the following:

Punjab MDCAT 2022
English
Elimination Tool:

A) Penny did not let me to get my book.
B) Penny was not leaving me to get my book.
C) Penny did not let me get my book
D) Penny had not left me get my book

What of the following virus contains single stranded DNA?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) Adena virus
B) Herpes virus
C) Parvo virus
D) Pox virus

Which of the following sentences is correct?

Punjab MDCAT 2022
English
Elimination Tool:

A) How could Sarah perswad her mum to stay out later?
B) How could Sarah persuade her mum to stay out later?
C) How could Sarah persuad her mum to stay out later?
D) How could Sarah parsuade her mun to stay out later?

Identify the sentence, out of the following, that is error-free:

Punjab MDCAT 2022
English
Elimination Tool:

A) I do not enjoy being laughed at by other people
B) I did not enjoy laughing by other people
C) 1 am not enjoying laughing by other people
D) I do not enjoying being laughed at other people

By 2030, people _________ been reading the works of Charles Dickens for more than 190 years.

Punjab MDCAT 2022
English
Elimination Tool:

A) Had
B) will
C) have
D) will have

Distribute the handouts ___________ the candidates. The correct preposition to be filled in

Punjab MDCAT 2022
English
Elimination Tool:

A) into
B) among
C) in
D) on

What does the term bacteriophage refer to?

Punjab MDCAT 2022
Biology
Elimination Tool:

A) A virus that infects bacteria
B) A bacterium that infects virus
C) A virus which behaves as bacteria
D) Combination of Bacterium & Virion

To give one some idea of Rabies’ horrors, one ________ only read such descriptions as the following: spasms, restlessness, shudders at the least breath of air an ardent thirst, convulsive movements, and fits of furious age.

Punjab MDCAT 2022
English
Elimination Tool:

A) needs
B) need
C) needed
D) has needed

Wasim was so good at Mathematics that people considered him to be a __________. Fill in the blank with the correct response.

Punjab MDCAT 2022
English
Elimination Tool:

A) Prodigy
B) Prodigal
C) Primeval
D) Profligate

Fill in the blank with the correct word. The shepherd ploughed this mountain with cattle the first time it ________ ever ploughed.

Punjab MDCAT 2022
English
Elimination Tool:

A) was
B) was been
C) had
D) had been

The newly elected president and CEO for the newly established branch of our company _________arrived recently. Fill in the blank with the appropriate choice:

Punjab MDCAT 2022
English
Elimination Tool:

A) have
B) having
C) have been
D) has

Synonym of the word “Capricious” is:

Punjab MDCAT 2022
English
Elimination Tool:

A) Fickle
B) Predictable
C) Uniform
D) Invariable