Balochistan MDCAT 2023

The temperature at which an inactive enzyme regains its function is called:

Dominance is the physiological effect of an allele over its partner allele occupying the:

Which of the following is a product of neurosecretory cells?

Lipoprotein particles make membranes containing various enzymes and F1 particles in:

Which of the following viruses is classified as an ssDNA virus?

Catastrophism was explained by:

Plasma membrane is:

How many valves are present in a human heart?

Among _____________ special structure known as substances are water, acids, bases, and salts.

Casparian strips are present in:

Which is the function associated with the Golgi apparatus?

Cerebrospinal Fluid (CSF) is found between:

The butterfly-shaped central part of the spinal cord is composed of a special structure known as:

Which one is a chemotherapeutic agent to destroy and stop the growth of bacteria?

During muscle contraction, troponin binds to all of the following EXCEPT:

With reference to female reproduction, the exchange of which material is non-placental?

The largest group in the animal kingdom is:

The different members of colonies in coelenterates that perform different functions are:

Which of the following is incorrect about lungs?

Which of the following is responsible for producing the "LUB DUB" sound of the heart?

What are capsomeres composed of?

After ovulation, the ruptured follicle is transformed into a glandular mass called:

Tristearin is a/an:

What will be the F2 phenotypic ratio if a red-flower male plant is bred with a white-flower female plant, where red flower color is dominant over white flower color?

Upon hydrolysis, cellulose yields:

HIV belongs to which group of viruses?

Which cell type does not have histone with DNA to make chromosomes?

Lactic acid accumulation in skeletal muscle cells causes:

In how many stages is the HIV infection process divided?

What is the color of Chlorophyll-a molecules?

The thick filament which is 16nm in diameter is composed of?

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

Which among the following permits interbreeding among individuals of the same species?

When do anti-A and anti-B antibodies appear in plasma?

Which of the following is NOT an event of light-dependent reactions during photosynthesis?

What are the living cells of cartilage called?

In prokaryotic cells, which one of the following organelles is present?

Phycocyanin is a pigment present in cyanobacteria. Phycocyanin is of _____________ color.

The flow of lymph is always towards _____________?

Fossil of Cro-Magnon was collected from?

NAD is a:

Which of the following is a viral sexually transmitted disease?

In prokaryotes, the function of mitochondria is performed by which one of the following?

Sterilization of blood products is carried out by?

Which hormone controls the release of milk from the mammary glands?

Which of the following is a conjugated molecule?

Who discovered the ABO blood group system?

As water changes into vapor,

What are nerve impulses?

For all life processes, which of the following is the direct source of energy?

Epididymis opens into:

The phenomenon responsible for genetic variation is:

The infundibulum connects the pituitary gland to the:

Both enzymes and coenzymes are:

Trans face of the Golgi complex is a:

Which type of organisms first evolved about 1.5 billion years ago?

Which of the following statement is NOT true about proteins?

Trace amounts of vitamins are the basic natural reservoir in making?

Cyanides block the action of enzymes by combining with:

Action potential in the neuronal membrane starts the process of?

The maximum water potential of pure water is:

Fasciola, an endoparasite in sheep, is mostly found in:

In chlorophyll a, a -CH₃ group is attached to which pyrrole ring?

Which of the following organelles contains circular DNA and small-sized ribosomes?

Which of the following transport processes require energy for the movement of material across the plasma membrane?

The mode of inheritance in humans can be traced through:

Animals having jointed legs and a chitinous exoskeleton are known as:

Passage of water across a selectively permeable membrane is called:

Which one is incorrect for actual yield being less than theoretical yield?

Which of the following is the carbon atom of a carbonyl group?

The acylium ion has a positive charge and acts as

Why is the first ionization energy of Beryllium higher than Boron?

Which of the following metals does not react with water?

A set of postulates that explain the behavior of an ideal gas is called:

The general electronic configuration of halide ions is:

Thermodynamically, the most stable form of carbon is:

Protein content of human milk is about

By base-catalyzed reaction

Which of the following is a bidentate ligand?

What do we mean by the term "delocalized electrons" in benzene?

Which of the following pairs is isostructural?

Acetic acid is a weaker acid than sulfuric acid because of which of the following reasons?

Number of primary carbon atoms present in isobutane

In which method can the rate of reaction involving ions be studied

What occurs when carbonyl compounds react with HCN

The overall charge on the transition state in an SN2 reaction is?

Which ionic radius is the smallest?

What is the quantum number for the unpaired electron of a chlorine atom (n, l, m)?

Group IB is called the coinage metals. Which one is not true about this group?

What is the weight of oxygen that required for the complete combustion of 3.2 kg of methane?

How many moles of a gas occupy 30.57 L at 55∘C and 0.83 atm?

Which statement about a 4d orbital is correct?

Hess's law states the same thing as

Which of the following is not true about canal rays?

The solubility of carboxylic acid in water gradually decreases with:

The polar part of soap and detergent dissolves in water molecules due to:

When equal moles of reactants A and B are allowed to react according to the following balanced equation. (2 A+B→Product). The limiting reactant in this chemical equation will be?

Which functional group is characteristic of an ester?

Which of the following acids has the smallest dissociation constant?

The solubility of KClO₃ is decreased by adding

For every reaction occurring in the human body, there is at least one type of:

Why do transition elements form alloys so easily?

Methanol is prepared from carbon monoxide and hydrogen. The catalyst used for this reaction is:

Which of the following statements is true about Grignard reagent (RMgX)?

Air at sea level is dense. This is a practical application of:

Which of the following acids can show cis-trans isomerism?

What is the reactivity state of Phenols?

Why do electrons have opposite spins when they are in the same orbital?

Which of the following is not an endothermic reaction?

Which order of reaction obeys the expression t1/2=1/ka​?

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

When an aqueous solution of NaCl is electrolyzed:

The equilibrium stage that is not affected by temperature is called:

Which of the following carbon atoms is sp² hybridized?

Sp² hybrid carbon atom is present in

What is the fact due to which branching decreases boiling point?

Temperature increase in an exothermic reversible reaction shifts the equilibrium to

Which product is formed when RMgX reacts with CO₂?

The minimum gradient of a curve on a displacement-time graph of a ball thrown vertically upwards and caught back can be:

Coulomb's law is only true for point charges whose sizes are:

The magnetic field depends upon:

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

Which one of the following bulbs has the least resistance, if the current is kept constant?

A coil of area 1 m² has 100 turns. It rotates with constant angular velocity about an axis along its diameter perpendicular to Earth's magnetic field of B=1×10−5T. The angular velocity for induced emf of 1 mV is?

When a transverse wave passes, the particles of the medium oscillate:

A capacitor is charged with a battery, storing energy U. An identical capacitor is connected in parallel to the first one. The energy stored in each capacitor is:

If the value of acceleration due to gravity 'g' is reduced to half, the time of flight T of projectile becomes:

Which of the following has the largest energy?

How much energy is converted in a resistor of 5 ohm carrying a current of 2.0 A after 10 seconds?

The longest wavelength of Lyman series is equal to?

What is the SI unit of conductivity?

The angle subtended at the center of a circle by an arc equal to 1/60th of a degree is called:

The magnetic flux through an area A in a uniform magnetic field B is given as:

High-frequency vibration is of:

Electric field lines are:

In British Engineering system, 1 Horse Power

Two point charges, each of magnitude q, are separated by a distance 2d. At a point mid-way between:

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?

A circuit that converts pulsating voltage of the rectifier to smooth voltage is known as:

An object of mass 'm' moving with speed 'v' has a head-on wave collision with another object of mass 4m′ moving with speed v′ in the opposite direction. The objects stick together after the collision. What is the total loss of the kinetic energy

If Cv denotes molar specific heat at constant volume and △T is the change in temperature, then CvΔT gives:

If the initial velocity ′u′ of the projectile is doubled, height H' of the projectile becomes:

A step down transformer is used to light a 12 volt 24 mA lamp from the 240 mains the current through primary is 1.5 mA. What is the efficiency of the transformer?

An oscillator performing simple harmonic motion has a displacement given by the x=8.0(mm)sin(10π/3)t. What is the displacement when t=0.05s?

According to the wave-particle duality, identify respectively how all micro-particles (electrons, protons, atoms, etc) behave when propagating and when exchanging energies

A solenoid of length 10 cm has magnetic flux density B=0.50T. When there is free space inside its turns. When the same solenoid is wounded on iron core then its flux density is increased by

Angular displacement is a vector quantity only when the?

Volt can also be written as?

A low voltage supply with an e.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?

When a nucleus emits beta particle, its mass number remains constant but charge number increases by:

The direction of centripetal acceleration in a circle?

The time constant of an RC circuit during discharge is that time in which charge on plates, as compared to maximum charge

Doppler effect can be observed by:

The induced emf in a coil is 1 V. What will be the rate of change of area of that coil placed in a constant magnetic field of strength 0.1T ?

Work done on a rod moving in a magnetic field across magnetic field and generate an emf in the system. This statement is according to lenzs law of conservation of?

De Broglie received the Nobel Prize in the year:

Time of flight of a projectile depends upon

Which of the following is NOT CORRECT about potentiometer?

Work done in raising a box depends on

In earth's gravitational field, the absolute potential at any point in space is:

What physical quantity would result from a calculation in which a potential difference is multiplied by an electric charge

Kinetic energy is the product of two vectors. It is:

Which one is a variable capacitor

The velocity of sound in air is independent of:

The process of converting AC into DC is called:

The force acting on a body of mass 10 kg is 100 N. The distance covered by the body in 10 seconds, if it starts from rest, is:

The rest mass of photon is:

The velocity of sound in air at NTP is 332 ms−1. The velocity of sound in vacuum is:

The electric field at a point situated at a distance d from a straight charged conductor is:

The number of turns in the primary and secondary coils of a transformer are 10 and 2000 respectively. If the current in the primary is 1.0 A, What would be the current in the secondary

The energy of each photon with frequency 1.2×10^14 H_z will be:

The magnitude of the vector product of two vectors is √3 times the scalar product. The angle between the two vectors is:

Choose the correct sentence:

Nether she nor _____________ am guilty. Complete the sentence with the correct pronoun.

Choose the sentence that follows the correct adjectives order.

He is extremely alert and watchful like _____________ cat.

I will not tolerate his rudeness. Choose the sentence that means the same as the above sentence.

The boys on the opposite side made me _____________ the bird.

Choose the sentence with correct semicolon placement.

Choose a synonym for the word in capital letters.VICISSITUDES of life are unexpected; nothing remains the same.

You will have to catch the morning flight, so you _____________ better get ready.

The most appropriate antonym for "abridge" is:

Which of the following is correct?

A boy is waiting for you for a long time. In this sentence, the word 'boy' is?

I _____________ from college by this time next year and will be looking for a job.

The most appropriate word to be filled in is: The melody is

Which part of the sentence carries an error?There were five active workers and three lazy one in the factory.

Choose the correct option to complete the given analogy:A lion is to a pride as a goose is to a

Fill in the blank with the correct word:Neither the invaders who were invading __________ happening.

Choose the sentence with an appropriately structured phrase:

Analyze the cause-and-effect relationship between the statements:I. The glaciers at the poles of the earth are melting at a fast rate.II. In recent times, there has been a substantial increase in the intensity of sunlight and volcanic eruptions.

Read the following statement, assuming everything in the statement to be true. Then decide which of the given suggested courses of action logically follows beyond a worth pursuing. Statement: An invigilator catches a student peeking at another student's worksheet in a school exam. Courses of Action: I. Immediately cancel both of the students' exams and remove them from the school. II. Change the student's position to one which is more secluded and give them a warning.

Observe the pattern and select the next term in the series. TEAM, TAME, TMEA,

All children are silly people. Some silly people are rich people. All rich people are big shots. Which of the following conclusions are NECESSARILY TRUE? CONCLUSIONS: I. Some silly people are children. II. Some rich people are children. III. Some silly people are big shots.

Read the following and choose the correct answer.X, Y and Z are three whole numbers less than 31 but greater than 23. X is a prime number. Y is the largest odd number smaller than 31. Z is the smallest even number?

Five cities P, Q, R, S and T are connected by different modes of transport as follows:P and Q are connected by boat as well as by railS and R are connected by bus and by boatQ and T are connected only by airP and R are connected only by boatT and R are connected by rail and by busWhich mode of transport would help one to reach R starting from Q but without changing mode of transport?