The thermal decomposition of nitrogen pentaoxide in gaseous state follows, which one of the following order of reaction?

N2O3 (g) -> 2NO2 (g) + 1/2O2 (g)

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) First order
B) Second onder
C) Fractional order
D) Third order

The stronger the reduction potential,the more difficult it is to:

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Reduce the compound.
B) Oxidize the compound.
C) Electrolyze the compound.
D) Neither reduce nor oxidize the compound.

Which one is a stronger Lewis Base?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Phenol
B) Aniline
C) Pyridine
D) Both (A) & (B) have equal strength

Which of the following compounds is most acidic?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Water
B) Ethanol
C) Phenol
D) Cyclohexanol

The shape of ammonia (NH3) is _________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Trigonal bi pyramidal
B) Trigonal pyramidal
C) Trigonal plannar
D) Square plannar

Which one of the following pairs of compounds is not isomorphic in nature?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) NaF and Mgo
B) KNO3 and NaNO3
C) ZnO and CdS
D) AgNO3 and KNO3

The structural isomerism in which isomers are in dynamic equillibrium with each other is:

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Chain isomerism
B) Position isomerism
C) Metameriom isomerism
D) Tautomerism isomerism

A radius greater than its parent atom is called:

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Cationic radii
B) Atomic radii
C) Covalent radii
D) Anionic radii

The value of solubility products depends only on ________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Temperature
B) Solvent
C) Pressure
D) Catalyst

The cathode has the reduction potential

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Less than the anode
B) More than the anode
C) Same as that of anode
D) Zero

Which of the following ions form the most stable complex compounds

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Cu+2
B) Ni+2
C) Fe+2
D) Mn+2

The first ionization energy of Al is less than Mg. This is due to:

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Electron in the 3P1 of Al
B) Al is less metallic than Mg
C) Mg comes first than Al
D) lonization energy from Mg to Al decreases

Photon of which of the following series will have largest wave length?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Bracket series
B) Pfund series
C) Balmer series
D) Paschen series

The sum of all the energies of all the molecules or atoms of a substance is called its?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Specific heat
B) Heat capacity
C) Latent heat
D) Internal energy

What is the composition of alloy, German silver?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Cu+Zn+Ni
B) Cu+Ag+Ni
C) Cu+Sn+Zn+Pb
D) Al+Cu+Mg+Mn

The unit of rate constant K is dm3 mol-1 s-1 for a chemical reaction, and the order of the reaction is?

KPK MDCAT 2022
Chemistry
Elimination Tool:

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

In which of the following molecule hydrogen bond is not present?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) H2O
B) HF
C) CH4
D) NH3

A pressure cooker reduces cooking time because

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) A large heat is used
B) Heat is evenly distributed
C) The boiling point of water rises inside
D) The higher pressure softens food inside

Which of the following compound has the lowest boiling point

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Water
B) Ethanol
C) Hydrogen sulphide
D) Acetic acid

Buffer capacity is maximum when both components have?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) High concentration
B) Equal concentration
C) Low concentration
D) High and equal concentration

The linear arrangement of amino acid units in proteins is called

KPK MDCAT 2022
Chemistry
Elimination Tool:

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

The temperature above which two conjugate solutions merge into one another is called _______.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Critical solution temperature
B) Critical solution point
C) Absolute solution temperature
D) Absolute solution point

Which of the following alkyl halides has the highest boiling point

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) n-butyliodide
B) isobutyl iodide
C) isopropyl bromide
D) n-propyl bromide

Propyne reacts with aqueous sulphuric acid in the presence of HgSO4 to form?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Acetone
B) 1-propanol
C) 2-propanol
D) Acetaldehyde

The isomers of a substance must have

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Same molecular mass
B) Same chemical properties
C) Same structural formula
D) Same functional group

Which of the following compounds has highest boiling point

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Cyclohexane
B) Cycloheptane
C) Cyclopentane
D) Cyclobutane

Optical activity of a compound is measured by an instrument called __________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Hydrometer
B) Barometer
C) Calorimeter
D) Polarimeter

Which of the following statements is false about the acid-strength of acetic acid?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Acetic acid is a stronger acid than monochloroacetic acid.
B) Acetic acid is a stronger acid than propionic acid.
C) Acetic acid is a weaker acid than Trichloroacetic acid.
D) Acetic acid is a weaker acid than formic acid.

Which one of the following elements has the largest second ionization energy?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) K
B) Ca
C) Cl
D) Bi

Which of the following element has the highest ionization energy

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) O
B) C
C) N
D) Be

Acetone reacts with hydrogen cyanide (HCN) to form a cyanohydrin. It is an example of?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Electrophilic addition
B) Electrophilic substitution
C) Nucleophilic substitution
D) Nucleophilic addition

Identify the compound given below, which has the bonds formed by the overlapping of sp and p orbitals

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) BeCl2
B) BF3
C) H2O
D) NH3

Benedict’s solution is the combination of?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Cu(OH)2+ NaOH+ Tartaric acid (C4H6O3)
B) Cu(OH)2 NaOH+ Citric acid (C4H6O7)
C) Ag(NH1)2OH + NaOH + H2SO4
D) NaCl+NaOH+Citric acid (C4H6O7)

Which of the following ionic compound has highest value of lattice energy

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) NaF
B) LiCl
C) NaI
D) KI

If the solubility product (Ksp) value is large, the salt in water is?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) More slouble
B) Less soluble
C) Moderately soluble
D) No concentration

Which one of the following is the example of polar molecular solids

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Ice
B) Iodine
C) Copper
D) Phosphorous

Which one has Prussian blue colour?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Ferric hexa cyano ferrate (i)
B) Iron (III) hesa cyano ferrate (II)
C) Sodium hexa cyano ferrate (III)
D) Both (A) & (B)

The electrophile which is considered to be an active agent in nitration of benzene is

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) NO2+
B) NO2-
C) NO+
D) HNO2+

One mole of a reactant reacts with a rate of 0.6 mol dm-1s-1. What is the rate constant of this reaction if reaction is first order?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) 1s-1
B) 0.3 s-1
C) 0.6 s-1
D) 0.9 s-1

Hopropyl benzene is also called __________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Cumene
B) Xylene
C) Toluene
D) Cresol

All of the following compounds are organic except

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) KOCN
B) C6H5OH
C) CH3COOCH
D) CH3OH

A system that can exchange or transfer both energy and matter with the surroundings is

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Isolated system
B) Closed system
C) Open system
D) Adiabatic system

Which of the following will not affect the SN1 mechanism?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Nature of solvent
B) Carbocation
C) Nature of nucleophile
D) Carbanion

A body covers displacement of 10m towards the North and returns back to the initial point by covering 10m towards the South, its total displacement is?

KPK MDCAT 2022
Physics
Elimination Tool:

A) 20m North
B) 10m South
C) 0m along North-South
D) 0m

All alkaline metals are white in colour except ___________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Beryllium
B) Magnesium
C) Calcium
D) Strontium

Which compound reacts most rapidly with the SN1 mechanism?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Chloromethane
B) 1-Chloroethane
C) 2-chloro-2-methylpropane
D) 2-chloropropane

Exceptionally low acidic strength of HF is due to

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) The strong polar bond between H&F
B) Smaller size of Fluorine
C) Strong hydrogen bonding
D) More electronegativity of flourine

Which of the following shows marked deviation from ideal behaviour at given temperature and pressure

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) CO2
B) He
C) H2
D) N2

What will be the product when phenol reacts with concentrated HNO3?

KPK MDCAT 2022
Chemistry
Alcohol, Phenols, and Ethers
Elimination Tool:

A) Picric acid
B) Para-Nitrophenol
C) Ortho-Nitrophenol
D) All of the above

The distillation carried out under reduced pressure is called __________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Steam distillation
B) Simple distillation
C) Fractional distillation
D) Vacuum distillation

The amount of products that are actually produced during a chemical reaction by performing an experiment is called ___________.

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Mole
B) Actual yield
C) Theoretical yield
D) Percent yield

Which of the following elements has the same oxidation number in all of its known compounds?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Beryllium
B) Chlorine
C) Nitrogen
D) Bromine

What figure of speech is used in this sentence, “He is the black sheep of the class.”

KPK MDCAT 2022
English
Elimination Tool:

A) Simile
B) Metaphor
C) Alliteration
D) Hyperbole

The word “Adept” means:

KPK MDCAT 2022
English
Elimination Tool:

A) Proficient
B) Naive
C) Friend
D) Abode

She needs to clean the room. (Choose the correct passive voice):

KPK MDCAT 2022
English
Elimination Tool:

A) The room needed to clean by her.
B) The room needed to be cleaned by her.
C) The room needs to be clean by her.
D) The room needs to be cleaned by her.

The cause of car accident can have been a malfunctioning brake pads.

(Choose the incorrect underlined item)

KPK MDCAT 2022
English
Elimination Tool:

A) The cause
B) Can
C) Have
D) Malfunctioning

Had I studied very well, I ____ rewarded with a scholarship.

KPK MDCAT 2022
English
Elimination Tool:

A) Was
B) Were
C) Will have been
D) Would have been

I waited for the bus but it was late. (Identify the sentence:

KPK MDCAT 2022
English
Elimination Tool:

A) Simple
B) Complex
C) Compound
D) Mixed

The child _____ spoken to his parents before going on the trip.

KPK MDCAT 2022
English
Elimination Tool:

A) Have
B) Will be
C) Had
D) Would

Read the passage and answer the question:

“Comprehension of medical books is considered as one of the most difficult processes among understanding technical terms of diversified fields. Many studies have considered reading as a guessing activity; which means regardless of the student’s level, the text will frequently contain numerous difficult words. The ability to guess and infer the meanings of unknown terminology might be viewed as a skill that should be developed.”

All is true except:

KPK MDCAT 2022
English
Elimination Tool:

A) Acquiring technical jargon is difficult in technical professions, such as medical.
B) The only reading approach used by medical students is inferring the meaning of challenging words.
C) The technical terminology makes comprehension of medical text challenging
D) None of the above

I said to you,”What a nice scenery!”

(Choose the correct indirect narration for the given sentence.)

KPK MDCAT 2022
English
Elimination Tool:

A) I exclaimed that it was a nice scenery.
B) I exclaimed that it is a nice scenery.
C) I told you that what a nice scenery.
D) I told you that what was a nice scenery.

A bridegroom is a/an example of:

KPK MDCAT 2022
English
Elimination Tool:

A) Neuter gender
B) Common gender
C) Masculine gender
D) Feminine gender

We can drive ____ the tunnel. (Use the correct preposition):

KPK MDCAT 2022
English
Elimination Tool:

A) By
B) At
C) Through
D) Into

I am as much intelligent as ____

KPK MDCAT 2022
English
Elimination Tool:

A) He
B) Himself
C) Him
D) His

Cowardice is an example of a/an ___________.

KPK MDCAT 2022
English
Elimination Tool:

A) Common noun
B) Proper noun
C) Countable noun
D) Abstract noun

Choose the grammatically correct sentence.

KPK MDCAT 2022
English
Elimination Tool:

A) No, I haven’t never been to a shopping mall.
B) No, I haven’t ever been to a shopping mall.
C) No, I have ever been to a shopping mall.
D) No, I haven’t ever never been to a shopping mall.

The antonym for the word “chaotic” is:

KPK MDCAT 2022
English
Elimination Tool:

A) Embarrassing
B) Hectic
C) Orderly
D) Nervous

The word “frugality” means:

KPK MDCAT 2022
English
Elimination Tool:

A) Economy
B) Enthusiasm
C) Foolishness
D) Effective

My brother and I met an acquaintance of ____ in the shopping mall.

KPK MDCAT 2022
English
Elimination Tool:

A) Ourselves
B) Us
C) Our
D) Ours

Read the passage and answer the questions:

“People say that certain cancers are protected against by tomatoes and processed tomato products like tomato sauce and canned tomatoes. Lycopene has been found to be responsible for tomato’s and tomato product’s ability to prevent certain cancers. Lycopene is the vivid red pigment that gives red hue to tomatoes and other red fruits. The processed tomatoes are found to have more Lycopene. Tomato paste contains four times as much Lycopene as fresh tomatoes do because Lycopene is strongly linked to vegetable fiber and is soluble in water. Further, oil helps in absorption of Lycopene because it is a fat-soluble substance.”

It can be understood from the passage that:

KPK MDCAT 2022
English
Elimination Tool:

A) As far as Lycopene intake is concerned: It is a pigment which is solved quickly in water and juice.
B) Lycopene hardly offers any protection against cancer.
C) Tomato products contain high concentrations of Lycopene and fat.
D) There is a correlation between the Lycopene consumption and the prevention of some cancer types.

The four types of fundamental biological molecules present in protoplasm are carbohydrates, proteins, lipids and?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Enzymes
B) Hormones
C) Nucleic Acids
D) Alkaloids

The average adult human has a lung capacity of approximately:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 2 litres
B) 5 litres
C) 9 litres
D) 12 litres

If the homozygous white-eyed Drosophila female is crossed with red-eyed Drosophila male, what is the probability of the male offspring having white colour eyes:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 0%
B) 25%
C) 50%
D) 100%

The type of neuron that carries nerve impulses from tissue and organ to the spinal cord and brain is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Sensory neuron
B) Motor neuron
C) Intermediate neuron
D) Associative neuron

All of the following are characteristics of cartilage except:

KPK MDCAT 2022
Biology
Elimination Tool:

A) It is a type of connective tissue.
B) The precursor cells are chondrocytes.
C) It contains blood vessels.
D) It heals very slowly.

The basis of Lamarck theory of inheritance is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Survival of the fittest
B) Selection by nature
C) Inheritance of acquired character
D) Theory of special creation

Detoxification of drug is the main role of:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Golgi bodies
B) Mitochondria
C) Rough Endoplasmic Reticulum
D) Smooth Endoplasmic Reticulum

In which part of the chloroplast the fixation of carbon dioxide results in the formation of sugars?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Grana
B) Stroma
C) Intergranum
D) Outer membrane of chloroplast

Which one of the following is not related to arthritis?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Inflammation of joint
B) An autoimmune disease
C) The leading cause of disability in patients over the age of 65
D) Inflammation of nerve

The hind brain is comprised of all the following except:

KPK MDCAT 2022
Biology
Elimination Tool:

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

The word “annelida” is of greek origin; “annellus” means:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Little ring
B) Segmented body
C) Thread
D) Hollow

The process of spermatogenesis (formation of sperm) takes place in which part of the male reproductive system?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Urethra
B) Epididymis
C) Oviduct
D) Seminiferous tubules

The resting membrane potential of neuron is measured about:

KPK MDCAT 2022
Biology
Elimination Tool:

A) -30 millivolts
B) -50 millivolts
C) -70 millivolts
D) -100 millivolts

In aerobic respiration, the glucose molecule is completely broken down into carbon dioxide (CO2), water (H2O) and __________ energy.

C6H12O6 + 6O2 —> 6CO2 + 6H2O + ?

KPK MDCAT 2022
Biology
Elimination Tool:

A) 2 ATP
B) 4 ATP
C) 34 ATP
D) 36 ATP

The Archaeopteryx is a fossil bird which possesses the characters of both:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Fishes and Amphibians
B) Amphibians and Reptiles
C) Reptiles and Birds
D) Birds and Mammals

The most abundant element present in human body is _______:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Sulphur
B) Nitrogen
C) Carbon
D) Manganese

The hormone that triggers the release of milk in lactating women is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Growth hormone
B) Antidiuretic hormone
C) Oxytocin
D) Follicle stimulating hormone

The raw materials that is used by natural selection for better survival is/are:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Variation only
B) Mutation only
C) Similarity only
D) Variation and mutation

Hormones are usually:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Genetic messengers
B) Physical messengers
C) Chemical messengers
D) Biological catalyst

The Calvin Cycle is completed in __________ stages:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Two
B) Three
C) Four
D) Five

The percentage of carbon dioxide carried as carboxyhaemoglobin is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 70%
B) 23%
C) 15%
D) 7%

What are the chances that the daughter of a normal man and a heterozygous female will have hemophilia?

KPK MDCAT 2022
Biology
Elimination Tool:

A) 75%
B) 5%
C) 25%
D) 0%

The most common protein in nature is __________.

KPK MDCAT 2022
Biology
Elimination Tool:

A) Collagen
B) Rubisco
C) DNAse
D) Keratin

Human immunodeficiency virus (HIV) particles surround with a coat known as the viral envelope or membrane made up of:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Glycoprotein
B) Glycolipid
C) Lipoprotein
D) Sulpholipid

Which one of the following cells have a haploid number of chromosomes?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Sperm cell
B) Mesophyll cell
C) Skin cell
D) Muscular cell

Rh antigen was first studied in:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Monkey
B) Man
C) Dog
D) Mouse

Most of the coenzymes are the derivatives of:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Lipid
B) Minerals
C) Steroids
D) Waxes

The pasteurisation of milk is done effectively through ultra-high temperature (UHT) in which milk is treated for 3 seconds at:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 72°C
B) 100°C
C) 140°C
D) 170°C

Which of the following lobes of the pituitary gland is known as the master gland of the body?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Anterior gland
B) Posterior gland
C) Intermediate gland
D) Anterior-posterior gland

Which one of the following part of the human respiratory system forms the gas exchange surface?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Trachea
B) Larynx
C) Bronchi
D) Alveoli

The group of animals having a single celled body which performs all the vital activities of life are called:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Protozoa
B) Parazoa
C) Metazoa
D) Nanozoa

Which of the following hormones is responsible for reducing the blood glucose level?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Thyroid hormone
B) Insulin hormone
C) Glucagon hormone
D) ADH hormone

Greater the wavelength associated with the photon

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) Greater is its energy
B) Smaller is its energy
C) Its energy will be variable
D) Its energy will remain constant

A haemoglobin molecule consists of ____ amino acids:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 874
B) 474
C) 674
D) 574

The colloidal mixture of ions, organic and inorganic salts present in the nucleus is called:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Nuclear membrane
B) Nucleolus
C) Nucleoplasm
D) Chromosome

The joints present in the elbow and knee are an example of which type of joint?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Immovable joint
B) Slightly movable joint
C) Hinge joint
D) Ball and socket joint

The word hepatitis means inflammation of the:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Pancreas
B) Liver
C) Spleen
D) Gall bladder

The range of visible light is from:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 300-650 nm
B) 350-700 nm
C) 380-750 nm
D) 430-790 nm

The longest phase of menstrual cycle is _________.

KPK MDCAT 2022
Biology
Elimination Tool:

A) Preovulatory phase
B) Secretory phase
C) Ovulatory phase
D) Menstrual phase

Which of the following contains the same number of molecules as 22 grams of carbon dioxide?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) 9 g of water
B) 2 g of hydrogen gas
C) 32 g of oxygen gas
D) 71 g of chlorine gas

Haemoglobin is a:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Carbohydrate
B) Protein
C) Nucleic acid
D) Enzyme

The glycerol is a _____________ carbon compound.

KPK MDCAT 2022
Biology
Elimination Tool:

A) Three
B) Four
C) Five
D) Six

Which one of the following is not a carnivorous plant:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Pitcher plant
B) Sundew
C) Butterworts
D) Money plant

The term ‘’survival of fittest’’ was used by:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Lamarck
B) Darwin
C) Herbert Spencer
D) Mayr

Proteins are macromolecules formed of units known as amino acids. The amino acids in which the variable group (R) is represented by a H atom is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Lysine
B) Phenylalanine
C) Glycine
D) Alanine

Which of the following pairs of diseases is caused by a virus?

KPK MDCAT 2022
Biology
Elimination Tool:

A) Syphilis and Tuberculosis (TB)
B) Aids and Typhoid
C) Measles and Mumps
D) Tetanus and Cholera

Which one of the following is not a characteristic of viruses?

KPK MDCAT 2022
Biology
Elimination Tool:

A) They do not respire.
B) They do not excrete.
C) They do not have the ability to reproduce.
D) They can be crystallised.

Red green colour blindness is a recessive sex-linked trait that renders individuals unable to distinguish shades of red or green, and both appear as:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Red
B) Green
C) Grey
D) Yellow

Which scientist among the following hypothesised that plant splits water to release oxygen as a by-product:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Van Niel
B) Lysenko
C) Calvin
D) Kreb

Mammals became dominant in:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Cenozoic Period
B) Jurassic Period
C) Mesozoic Period
D) Paleozoic Period

The hollow elongated tube formed when muscle fibre penetrates deep into the cell is known as:

KPK MDCAT 2022
Biology
Elimination Tool:

A) A tubule
B) M tubule
C) T tubule
D) Z tubule

Those nerves that originate from or lead to the brain are called cerebral nerves. There are_______pairs of cerebral nerves in humans.

KPK MDCAT 2022
Biology
Elimination Tool:

A) 6
B) 12
C) 14
D) 31

Ribose is a pentose sugar (5 carbon) that contains:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Aldehyde group
B) Ketone group
C) Carboxyl group
D) Ester group

A condition characterized by hypothyroidism and enlargement of thyroid gland is known as:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Grave’s disease
B) Gigantism
C) Goiter
D) Exophthalmia

Portion of stomach which is present immediately after oesophagus is known as:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Opsin portion
B) Pyloric portion
C) Gastric portion
D) Cardiac portion

A man of blood group A marries a woman of blood group B and they have one child. Which one of the following statements about the child’s blood is correct?

KPK MDCAT 2022
Biology
Elimination Tool:

A) It could be group A only.
B) It could be group AB only.
C) It could be group A or group B only.
D) It could be any of the groups A, B, AB and O.

Enzymes are __________ in nature.

KPK MDCAT 2022
Biology
Elimination Tool:

A) Carbohydrates
B) Proteins
C) Lipids
D) Vitamins

Steroid is formed by backbone of four fused carbon rings containing:

KPK MDCAT 2022
Biology
Elimination Tool:

A) 14 carbon atoms
B) 16 carbon atoms
C) 17 carbon atoms
D) 18 carbon atoms

Those joints in which the articulating bones are separated by a fluid-containing joint cavity are called:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Fibrous joints
Show Explanation
B) Cartilaginous joints
Show Explanation
C) Synovial joint
Show Explanation
D) Immovable joint

An exception to Mendel’s law is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Linkage
B) Dominance
C) Purity of gametes
D) Independent assortment

Mitochondria was first seen as granules in:

KPK MDCAT 2022
Biology
Elimination Tool:

A) White blood cells
B) Red blood cells
C) Muscle cells
D) Liver cells

The chloroplasts contain:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Proteins only
B) Ribosomes only
C) Small circular DNA only
D) Proteins, Ribosomes, and small circular DNA

The cell wall of bacteria is made up of:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Chitin
B) Cellulose
C) Peptidoglycan
D) Pectin

The type of lipids which do not contain fatty acids are:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Phospholipids
B) Waxes
C) Steroids
D) Acylglycerol

A small biological unit that can evolve over time is ________.

KPK MDCAT 2022
Biology
Elimination Tool:

A) A specie
B) A population
C) An organism
D) A Cell

The terminal portion of the male duct system is:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Vasa efferentia
B) Vas deferens
C) Urethra
D) Epididymis

________ is the attractive force between a water molecule and container.

KPK MDCAT 2022
Biology
Elimination Tool:

A) Cohesion
B) Adhesion
C) Tension
D) Transpiration

The statement “the membrane is like a sea of lipids in which proteins are floating” represents:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Gorter & Grendel Model
B) J F Danielle & Davson Model
C) Robertson Model
D) S J Singer & Nicolson Model

In 1935 W.M. Stanley prepared an extract of:

KPK MDCAT 2022
Biology
Elimination Tool:

A) Tobacco mosaic virus (TMV)
B) Human immunodeficiency virus (HIV)
C) Flu virus
D) Polio virus

Genetic drift is the change in the allele frequency of the population due to;

KPK MDCAT 2022
Biology
Elimination Tool:

A) Random chance
B) Non-random mating
C) Natural selection
D) Artificial selection

The molecular mass of a compound is 60, and its empirical formula is CH2O. What will be the molecular formula for a compound?

KPK MDCAT 2022
Chemistry
Elimination Tool:

A) C6H12O6
B) C2H4O2
C) C2H6O2
D) C2H8O2

The unit of magnetic flux is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) NA-1m
B) NA-1m2
C) NA-2m-2
D) Tesla

When AC is converted to DC, the process is called:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Magnification
B) Amplification
C) Rectification
D) Resolution

The unit of kinetic energy is same as that of:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Momentum
B) Velocity
C) Force
D) Work

When angular speed of body is doubled, the centripetal acceleration becomes:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Doubled
B) Thrice
C) Four times
D) Remains the same

Which one is the stable element in the following:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Lead
B) Plutonium
C) Radium
D) Protactinium

Radioactivity does not depend upon

KPK MDCAT 2022
Physics
Elimination Tool:

A) Initial number of atoms
B) Temperature
C) Nature of material
D) Time

The half life of a radioactive sample predicts about

KPK MDCAT 2022
Physics
Elimination Tool:

A) Whole life of sample
B) Disintegration time for half of the atoms
C) Decay only
D) Total time for stable atoms

The apparent change in the frequency of sound caused by the relative motion of either of source of sound or listener or both is called?

KPK MDCAT 2022
Physics
Elimination Tool:

A) Zeeman effect
B) Starkeffect
C) Doppler effect
D) Compton effect

Electricity consumption is calculated commercially in:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Kilo-watt
B) Kilo-watt hour
C) Mega watt
D) Giga watt

The longest wavelength observed in Balmer series is

KPK MDCAT 2022
Physics
Elimination Tool:

A) 36R/5
B) 36R/7
C) 36R/11
D) 36R/13

A projectile is thrown at an angle of 45° with horizontal, and its range is R1. Another projectile is projected at 45 degrees with vertical and its range is R2. The relation between R1 and R2 is?

KPK MDCAT 2022
Physics
Elimination Tool:

A) R2=2R1
B) R1=2R2
C) R1=R2
D) 3R=R1

For the treatment of cancer, the source of gamma rays used, is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Co-60
B) I-126
C) Na-15
D) Pb-207

The shortest possible wavelength is associated with

KPK MDCAT 2022
Physics
Elimination Tool:

A) Lyman series
B) Balmer series
C) Bracket series
D) Paschen series

Two charges, one of which is Q1 = 3 μC and second one Q2 = -1 μC are separated by 100cm. The electric potential is zero at a point:

KPK MDCAT 2022
Physics
Elimination Tool:

A) 25cm from Q2
B) 75cm from Q2
C) 50cm from Q1
D) 33.3cm from Q1

AC generator stops suddenly when:

KPK MDCAT 2022
Physics
Elimination Tool:

A) External voltage overcomes the back emf
B) Torque of back emf overcomes the external torque
C) Resistance of the coil produces heat
D) Moment of inertia of the coil decreases

A conductor has resistance R. If its length is stretched to twice the actual and its radius is reduced to one third of its original value, the new resistance will be:

KPK MDCAT 2022
Physics
Elimination Tool:

A) 3R
B) 9R
C) 18R
D) 27R

The velocity-time graph of motion starting from rest with uniform acceleration is a straight line.

KPK MDCAT 2022
Physics
Elimination Tool:

A) Not passing through origin
B) Parallel to time axis
C) Parallel to velocity axis
D) Passing through origin

The speed of a wave on a particular string is 24ms-1. If the string is 6.0 m long to which frequencies will it resonate.

KPK MDCAT 2022
Physics
Elimination Tool:

A) 1Hz,2Hz,3Hz
B) 2Hz,4Hz,6Hz
C) 3Hz,6Hz,9Hz
D) 5Hz,10Hz,15Hz

In a conducting electric wire, the electric current flows due to

KPK MDCAT 2022
Physics
Elimination Tool:

A) Protons
B) Ions
C) Holes
D) Electrons

Which one is not the unit of radioactivity?

KPK MDCAT 2022
Physics
Elimination Tool:

A) Bq
Show Explanation
B) Ci
Show Explanation
C) Decay/second
Show Explanation
D) tesla/m2

The resistance of full wave rectifier is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Less than the resistance of half wave rectifier
B) More than the resistance of half wave rectifier
C) Equal to the resistance of half wave rectifier
D) Negligible in comparison to the resistance of half wave rectifier

What is the inappropriate statement for a step-up transformer?

KPK MDCAT 2022
Physics
Elimination Tool:

A) It increases given AC voltage
B) It decreases given alternating current
C) Heat is never produced in step-up transformer
D) Its input energy is always less than its output energy

A conductor has a length equal to pi meters and radius of r meters. Its resistance will be equal to:

KPK MDCAT 2022
Physics
Elimination Tool:

A) R = pr1
B) R = pr2
C) R = pr3
D) R = pr4

Potential divider circuit is made when:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Current is divided
B) EMF source is divided
C) Resistance is divided
D) Number of electrons are divided

Which one is not a vector quantity?

KPK MDCAT 2022
Physics
Elimination Tool:

A) Angular displacement
B) Impulse
C) Moment of inertia
D) Momentum

The time period of simple pendulum of mass ‘m’ is ‘T’. When the simple pendulum’s mass is replaced by another mass of 3 times the older mass such that the length of pendulum will not change then the new time period will be

KPK MDCAT 2022
Physics
Elimination Tool:

A) T
B) 3T
C) T/3
D) 2T

The velocity of a wave is v, its time period is T, and f is its frequency. Then the correct equation for the frequency is?

KPK MDCAT 2022
Physics
Elimination Tool:

A) T=vf
B) 1f=v+T
C) 1f=1/T
D) T=v/T

The equation for kinetic energy is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) K.E = P/2m
B) K.E = ½ mv.v
C) K.E = ½ mv.F
D) K.E = ½ mv.W

The radiation emitted by warm blooded animals lies in the region of:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Visible
B) Ultraviolet
C) Infrared
D) X-rays

The energy of a simple harmonic oscillator at a displacement ‘a’ is partly kinetic and partly potential. The energy of simple harmonic oscillator remains constant everywhere, which one of the following option will be correct about the simple harmonic oscillator.

KPK MDCAT 2022
Physics
Elimination Tool:

A) K.E is maximum at extreme position
B) P.E is maximum at extreme position
C) Both K.E and P.E are minimum at mean position
D) P.E is maximum at mean position

In an isolated thermodynamic system:

KPK MDCAT 2022
Physics
Elimination Tool:

A) No heat transfers to environment
B) Neither heat nor any mass are transferred to environment
C) No dissipated energy and heat are transferred to environment
D) No mass transfers to environment

An electron will have maximum kinetic energy when it has:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Long wavelength
B) Short wavelength
C) Low frequency
D) Circular motion

Two bodies A and B of temperatures TA = 100°C and TB = 0°C, are brought into thermal contact with each other. Which one of the following is possible at thermal equilibrium?

KPK MDCAT 2022
Physics
Elimination Tool:

A) TA = 0°C, TB = 100°C
B) TA = 60°C, TB = 50°C
C) TA = 45°C, TB = 45°C
D) TA = 60°C, TB = 40°C

When five times the momentum of a body is equal to the kinetic energy of the same body, then its velocity is equal to:

KPK MDCAT 2022
Physics
Elimination Tool:

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

When a neutron enters into a magnetic field B perpendicular with velocity v, its acceleration is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Zero
B) Centripetal
C) Positive
D) Uniform and non-zero

When two conductors each of resistance R are attached in series to external circuit, their net resistance is:

KPK MDCAT 2022
Physics
Elimination Tool:

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

Magnetic lines of force are:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Imaginary lines which show actual magnetic field
B) Actual lines which show actual magnetic field
C) Actual lines which show imaginary magnetic field
D) Imaginary lines which show imaginary magnetic field

In pair annihilation, two gamma-ray photons created, travel in opposite directions not in the same direction, because:

KPK MDCAT 2022
Physics
Elimination Tool:

A) This proves law of conservation of energy
B) This proves law of conservation of momentum
C) This proves law of conservation of charge
D) This proves law of conservation of mass-energy

A charged particle entered in a magnetic field anti-parallel to the field, magnetic force on this particle is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) BINA
B) BeVsinθ
C) Zero
D) Iqtv

An ideal AC generator has equal input and output, its heat dissipation will be:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Of some finite value
B) Zero
C) Maximum
D) Very much small

Two electric bulbs, ‘’A’’ and ‘’B’’ of power 500W and 2000W, respectively, are connected to a 240V supply. The ratio of current passing through bulb ‘A’ to the current passing through bulb ‘B’ is:

KPK MDCAT 2022
Physics
Elimination Tool:

A) 1:2
B) 1:4
C) 1:8
D) 1:16

The net displacement divided by the total time(t) is known as:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Istantaneous velocity
B) Uniform velocity
C) Average velocity
D) Variable velocity

A cyclist comes to a kidding stop in 10 m. During this process, the opposite force on the cycle due to road is 200N. How much work does the road do on cycle?

KPK MDCAT 2022
Physics
Elimination Tool:

A) (-1800 J)
B) (-2000 J)
C) 2000 J
D) 1900 J

A projectile is launched, its velocity is maximum at:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Point of projection
B) Highest point
C) Between launching and highest point
D) All points

Which photon is traveling with the largest speed in a vacuum?

KPK MDCAT 2022
Physics
Elimination Tool:

A) Gamma photon
B) Visible light photon
C) Infrared photon
D) All photons move with the speed of light

In Newton’s first law of motion which quantity remains constant:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Velocity
B) Angular displacement
C) Amplitude
D) Amount of work

The energy stored in a capacitor is given by:

KPK MDCAT 2022
Physics
Elimination Tool:

A) U = ½ QV
B) U = ½ QV
C) U = ½ QC
D) U = Q/2v

Curie is the unit of?

KPK MDCAT 2022
Physics
Elimination Tool:

A) Radioactivity
B) Temperature
C) Half life
D) Transition of magnetism

Law of inertia satisfies:

KPK MDCAT 2022
Physics
Elimination Tool:

A) Condition of equilibrium
B) Condition of variable force
C) Condition of force in contact
D) Condition of conservation of mass

Which radiation cannot be generated under electron transitions in different orbits?

KPK MDCAT 2022
Physics
Elimination Tool:

A) Infrared
B) Ultraviolet
C) X-rays
D) Gamma rays

The shortest wavelength of the lyman series is( RH=Rydberg constant).

KPK MDCAT 2022
Physics
Elimination Tool:

A) RH
B) 1/RH
C) 3RH
D) 5/RH

In physics it ia observed that when matter and anti-matter combine, they form

KPK MDCAT 2022
Physics
Elimination Tool:

A) Particles with zero charge
B) Particles with positive charge
C) Particles with negative charge
D) Particles with dual mass

Output current of half wave rectifier is:

KPK MDCAT 2022
Physics
Elimination Tool: