KMU MDCAT Past Papers Reconduct 2023

What is primary function of Grignard reagent in organic reactions?

Read the following statements and identify the best cause and effect relation. (I) For the past four years, the district’s literacy rate has been rising. (II) The district administration organise a thorough training program for the volunteers working on the literacy campaign

Read the following and choose the correct answer. Mice are to cats as goats are to,

Some months have 31 days, how many have 28?

Read the paragraph carefully and answer the question given. “Over the past century the businessman has helped build civilization’s great cities, provided people with luxuries and lifted his fellow citizens to a certain standard of living. Further seeding the industrial revolution around the world.

Choose the correct option. We must ______ the tickets for the movie in advance.

To cut off the head”. idiom means:

Choose the sentence with correct word order.

Choose the correct sentence:

Add suitable conjunction in the given sentence. Your ice cream will melt, you should eat it quickly.

Correct the given sentence:

The Queen of England “bestowed a title upon the man who saved her life from a fatal accident. What does the word BESTOWED mean?

The money, property, etc that is used to start or operate a business is called

In prolonged space flight, besides the obvious hazards of meteors, rocky debris, and radiation, astronauts will have the deal with muscle atrophy brought on by weightlessness; therefore, when they return to Earth, they face a protracted period of weight training to rebuild their strength. What is the most likely meaning of the word “debris” as it is used in this passage?

The phrase “spiffed up” stands for:

How much spoonfuls of sugar would you like in your tea? Identify the part of the sentence that carries error:

The police _______ arrested the suspect

The synonym for “promptly” is:

______ you like a cup of coffee?

Maria _______ that she could not attend classes next week.

The dogs ______ escaped

We are all looking forward _______ the announcement of election soon.

______ going to sleep, I like to read for half an hour.

Which of the following quantities is correctly matched to its unit?

Which of the following materials have a negative temperature coefficient?

Which of the following best describes inertia?

What is the rest mass of a photon?

What happens to a football which is inflated in a warm room, is used to play outside in cold weather?

Weber is the unit of

There are 2 pianos playing the same note, however the vibration from one piano is 223.20 Hz and that of the other is 223.50 Hz. The beat frequency between the two tones will be?

The waves in which the particles of the medium vibrate about their mean position along the direction of propagation of the waves are called

The thermal energy required to cause a unit temperature rise is called

The SI unit of electric potential is:

The SI unit of capacitance is

The resistance of the conducting material depends upon

The radial acceleration is also considered as:

The primary purpose of rectification in an electrical circuit is to

The number of waves passing through a certain point in unit time is called.

The domestic electricity supply has a frequency of

The distance covered by sound wave per unit time is called

The device used to adjust voltage levels in an electrical circuit is called

The current produced by a generator is called

The Compton’s effect is the phenomenon that describes

The capacitance of capacitor depends upon

The bird perching on a high-power line does not get electroshock. This is because.

The absolute potential energy of a spaceship on the surface of the earth is:

The ability to produce an electromotive force by changing the magnetic field inside a coil is used to generate.

Ohm’s law states that the current is directly proportional to _____ and inversely proportional to _______

Newton’s 3rd law of motion is correlated with

Measure of displacement covered with passage of time is called.

Magnetic flux is maximum when the angle between the magnetic field and the normal to the plane of finite area is

In case of doppler effect, the apparent frequency will be _____ the actual frequency when the source moves towards the stationary observer

In three dimensional Cartesian Coordinate system (x,y,z), you have two vectors A and B. Vector A has components Ax= 4, Ay=3, and Az=2, while vector B has components Bx=1, By=5, and Bz=2. What is dot (scalar product) of vectors A and B?

In special theory of relativity, the law of conservation of energy and law of conservation of mass have been replaced with

 In a magnetic field, a photon passing through it are deflected towards.

 If the amount of work W is required to move a charge Q from one point to another then the potential difference between the two points is given by

If the acceleration of a body in one inertial frame is zero, its acceleration in any other inertial frames is

If a moving object has no force acting on it.

Circular periodic waves can be generated

Centrifugal force =

Angular displacement is measured in

 According to first law of thermodynamics, what is the relationship between the change in the internal energy of a closed system ΔU, the head added to the system (Q) and the work done by the system W

According to Bohr’s model of the hydrogen atom, electrons move in specific orbits around the nucleus called.

At the end of 14 min, 1/16 of a sample of radioactive polonium remains. The corresponding half-life is:

The decay constant of sodium (Na) is 0.0000128 /s. The half-life of sodium is:

 K-a rays are generated when transition of an electron occurs from:

Accelerating electromagnetic charges radiate electromagnetic waves which propagate at the

A wave is characterised by the physical parameters:

A train travels on a straight track passing signal A at 20 m/s. It accelerates uniformly at 2 m/s^2 and reaches signal B 100m further than A. At B the velocity of the train in m/s is

A three-dimensional image of remarkable quality can be achieved by modern version of microscope called:

A resistor has a resistance of 200 ohms. If a current of 0.5 amperes flows through it, what is the voltage drop across the resistor?

A man standing in an elevator on the third floor of a building. What is the primary factor that determines the man’s kinetic energy?

 A magnet is suspended from a spring and it oscillates in and out of a coil placed vertically below it. A galvanometer is connected to the coil and it shows?

A boy raises an object of mass 10Kg vertically above his head through a height of 5m. The potential energy stored in the body is:____

A ball thrown vertically upwards will have constant _____ and a varying _______

_____ law states that the magnitude of the force between 2-point charges is directly proportional to the product of the magnitudes of the charges and inversely proportional to the square of the distance between them

A well-known physical change is melting of ice. The melting of ice is favoured by:

Amount of heat absorbed, when one mole of liquid changes to gas at its boiling point is called:

An unknown element having electronic configuration [Ne] 5s2 5p5 will be.

Brass is an alloy of

Compound X reacts with Grignard’s reagent to produce tertiary alcohols. What is the compound?

Enantiomers are examples of

Flame tests identify alkali metals when they are burnt, which of the combinations given is the correct one?

For an endothermic reaction, H represents the enthalpy of reaction. The minimum value for the energy for activation will?

Greater the resonance energy of a molecule?

H2O has geometry:

 Humans are unable to digest:

If the work is done by the system on the surroundings and heat is absorbed by the system from the surroundings the change in internal energy E will be

In a rate equation, rate=k[A] [B], the reaction is

In crystalline structure, when the length of all axes and angles are unequal then crystal will be.

In following molecules which one has the shortest C-C bond length?

In the presence of which of the following, Wolf-Kishner reduction of aldehydes is carried out?

 In the IUPAC system Carboxylic acid is also called _____

Increasing the compressibility of a gas (Z) decreases its.

Lucas test is based on?

One molecule of oxygen has the same mass as

Oxidation of Secondary alcohol gives which of the following products?

Select the correct IUPAC name among the following:

Silver Mirror with Tollens Reagent is formed by

Super batteries with high charge density are also called:

The bond that determines the secondary structure of protein is:

The correct order of reactivity of alkyl halides is.

The correct sequence according to acidity of alcohols is.

The element chlorine is found in a gaseous state while bromine is found in:

The final substitution product in the Chlorination of methane in the presence of UV light and excess chlorine is.

 The number of particles (atoms, molecules, tons) in one mole of any substance is numerically equal to

The reactant which consumes first in a chemical reaction is called?

The SI unit of pressure is.

The specific heat of water is.

The substituent attached to the benzene ring that act as Ring deactivator is.

The tautomer of propanol is

The Volume of a fixed mass of gas is directly. proportional to absolute temperature and constant pressure as stated by

What is the other name for Positive rays?

What is the radius of 3rd orbit of electron in H- atom.

What is the reason of small atomic radii of sodium ions as compared to sodium atom?

What mass of CaCO3 gives 48.8 litres (measured at STP) of CO2, on strong heating?_____.

When an element occurs in different physical forms it is called ______.

Which compound is formed when Magnesium is reacted with 2 molecules of water?

Which method is generally used to prepare alkynes?

Which of the following cell reactions correctly represent the electrolysis of water?

Which of the following organic acid does NOT have a COOH group?

Which of the following prefixes is used when two methyl groups are attached with the second last carbon of alkane chain?

Which of the following represents the functional group of acid halides?

Which one is more metallic?

Which one the following is a Nucleophile

 Which pair of ions have five unpaired d-electrons?

Which reaction will proceed in forward direction?

X is a compound that do not react with Na metal but produces carboxylic acid when heated under reflux with acidified potassium dichromate?

All animals begin life as a ______.

Adding substrates will NOT make a difference to the enzyme catalysed reaction:

The cerebellum is primarily concerned with:

What is ‘Flavin adenine dinucleotide’?

Purines are ______ nitrogenous bases.

Alternation of generation is the character of phylum?

Which structure is responsible for the excretion in Arthropods?

Parazoa are simple multicellular animals which are believed to have evolved from?

Which of the following types of Haemophilia is more common in the human population?

When are Rh antibodies produced in Rh-ve persons?

How many actin filaments surround the myosin at each end

Which cartilage is found at the end of long bones?

At the beginning of the menstrual phase the ______ are the lowest level.

Which among the following is NOT the role of Sertoli cells?____

Endospore formation is ______

Which of the following is a prokaryote?

 Which of the following is true about bradykinin?

Where does the Trachea tie in relation to the oesophagus?

The sinoatrial node is located in the ______ wall of the right atrium.

Darwin’s “Origin of species by natural selection is mainly concerned with:

According to Neo-Darwinism, which of the following is a case of evolution?

All of the following are true about-neutrophils. EXCEPT:

Which of the following is an example of hydrolase:

Which part of the brain plays a key role in long term memory?

The neuron is said to be polarized when the:

 ______ regulates the selective permeability of the plasma membrane, allowing movement of molecules according to the needs of the cells.

Which mode of genetic exchange between bacteria involves cell-to-cell contact between the bacterial cells?Which mode of genetic exchange between bacteria involves cell-to-cell contact between the bacterial cells?

_______ is the heat required to convert a gram of water into vapours at its boiling point.

Sucrose is hydrolysed into:

What is the number of carbon atoms in Pyruvic acid?

In the non-cyclic electron transport of light reaction, the deficit of electrons occur in the chlorophyll, as it absorbs energy

The protein coat surrounding the genome of virus is called:

Viruses are NOT classified based on:

The cells of the endoderm of Coelenterates are specialised for:

The carotenoids absorb light in the visible spectrum between _____ and _____ wavelengths.

Locus of a gene on a chromosome means its:

Hip joint and shoulder joint are examples of:

The genome of the Human Immunodeficiency VIrus (HIV) is made up of:

A bacterium with single polar flagellum is:

Cytotoxic T-Cells ______

Who proposed the concept that an organism can pass on acquired modifications to its offspring?

 Enzymes are…

The total number of cranial nerves in a human body are.

The cells of the non virulent strain of Streptococcus pneumonia are:

Which of the following is the opposite of condensation reaction?

Glucose is classified as a

Which of the following is a rod shape virus?

Mendel’s law of independent assortment can be explained by:

 In breastfeeding mothers, which hormone would be at an increased level?

Which component is present only in the cell wall of Gram-positive bacteria but NOT in Gram negative bacteria.

Thymus gland is involved in maturation of which of the following?

All are properties of water, EXCLUDING

Which of the following is true about the occurrence of erythroblastosis foetalis?

Which of the following is known as the vessels of the vessels?

What alters the shape of enzymes and makes them functional

What brings membrane potential to threshold?

A shallow groove in cerebrum is called ______ and deep groove is called _____.

Function of the nucleolus is to form:

Storage diseases are caused by the excessive accumulation of substances within the cell, due to defects(mutations) in one of the _____ enzymes.

The co-enzyme NAD is made up of?

Which is the factory for synthesis of sugars in autotrophic eukaryotes?

A male or female child of an affected mother has 50% chance of acquiring the disorder. Such a disorder is:

 Muscle fatigue results due to deficiency of ______ and excess accumulation of _____.

 The incubation period of Syphilis is:

 Autoclave chambers are used for ____ of surgical instruments?

Cell death due to tissue damage is called?