ETEA MDCAT Past Paper 2023
Practice and review ETEA MDCAT Past Paper 2023 with verified questions, correct answer keys, and detailed solutions.
Solved Questions & Explanations
200 questions with verified answers and explanations
Consider the reaction below. If 5 moles each of hydrogen and oxygen are reacted to form water, which statement is correct? 2H₂ + O₂ → 2H₂O
Oxygen can be prepared by the decomposition of potassium chlorate (KClO₃). How many moles of oxygen (O₂) can be formed by taking 12 moles of potassium chlorate (KClO₃) according to the following equation? 2KClO₃ + heat → 2KCl + 3O₂
117 g of NaCl have:
The number of orientations of a sub-shell for which n = 4 and l = 3 will be:
Photon of the lowest wavelength is related to:
The maximum e/m ratio for positive rays is obtained when the discharge tube contains:
1 atm of pressure is equal to all of the following except:
The volume of a given mass of an ideal gas at certain pressure is x at constant temperature. What will be its volume when the pressure is reduced to half:
The volume occupied by 3.2 g of oxygen gas at S.T.P. is:
All of the following crystal systems have β = γ = 90° except:
Compound having lowest boiling point is:
Which of the following can form Hydrogen bonding with each other?
Identify the molecular formula of Furan:
Haber's process is used for the synthesis of ammonia. The optimum temperature for the Haber process is:
If ionic product is less than Ksp then:
For Δn = 0:
Reaction that follows third order kinetics is:
As compared to exothermic reaction, formation of activated complex in endothermic reaction requires:
SI unit of specific heat capacity is:
Processes involving solids and liquids have their:
In redox reaction of SO₂ with KMnO₄ in acidic medium:
Zinc displaces copper from its solution because:
The molecular shape of a molecule with three bonded atoms and one lone pair electron on the central atom will be:
Molecule having the highest bond-energy (Experimentally) is:
The bond length between double bonded carbon atoms is:
Choose the element that forms normal oxide only:
Element whose salts do not impart color to flame test is:
Indicate superoxide in the following:
Which one of the following is covalent in nature?
Which one has one unpaired electron in the valence shell?
The oxidation number of Cobalt in the given coordination complex is: [Co(H₂NCH₂CH₂NH₂)₂]₂(SO₄)₃
Pyrole belongs to which class of compounds:
Ethyl alcohol in the presence of H₂SO₄ at 170°C produces:
Lindlar's catalyst is used in hydrogenation of alkyne:
Which one of the following is not Meta directing group?
Benzene-1,3-diol is also known as:
Identify the electrophile called as acylium ion:
Among the following hydrocarbons which one has acidic hydrogen?
Greater number of alkyl groups on substrate favours:
S_N1 reactions mostly result in partial racemization. In partial racemization there is:
Which of the following involve the same steps?
The correct sequence of electronic configuration is:
When phenol reacts with excess of bromine in aqueous solution it results in the formation of:
Propylene glycol and trimethylene glycol are:
The reduction of Aldehydes and Ketones to alkanes in the presence of zinc amalgam and HCl is called:
Aldehyde and Ketone on reaction with hydroxylamine form:
Fehling's solution works on the principle of redox reaction which results in:
In conversion of acid halides to ester, pyridine is used to:
Number of carbon atoms in valeric acid is:
The IUPAC name of formyl chloride is:
The inhibition, in which the inhibitor does not combine directly with the enzyme but binds to the enzyme substrate complex is called:
Trypsinogen can be activated by the action of:
Crystal having orthorhombic crystal system is:
Carbonyl functional group is present in:
Statements:Some teachers are students.All students are girls. No student is a boy.Conclusions:I. Some teachers are boys.II. Some girls are teachers.III. Some girls are students.
Complete the following series: KCD,LEF, MGH, ___, OKL.
Read the following statements and decide about the arguments. Statement:Does Pakistan need so many plans for development? Arguments:I. Yes. Nothing can be achieved without proper planning.II. No. Too much time, money and energy is wasted on planning.
Methyl tetrachloride (MTC) is a chemical found in some pesticides, glues, and sealants. Exposure to MTC can cause people to develop asthma. In order to lower the nation's asthma rate, the government plans to ban all products containing MTC. The government's plan to lower the nation's asthma rate relies on which of the following assumptions?
Statements:I.Importance of yoga and exercise is being realized by all sections of the society.II. There is an increasing awareness about health in the society particularly among middle ages group of people.
Statement: The rates of interest on Post Office recurring deposit accounts have been increased with effect from 2nd March. This has been done to attract more deposits. Course of ActionI-Efforts should also be made to make the public aware about this increase in the rate of interest.II-If the deposits don't increase in next six months, the rate of interest should be further increased.
Equal forces F act on isolated bodies A and B. The mass of B is 1/5 times that of A. The magnitude of the acceleration of A is:
A body is moved through a displacement of 15m towards North, the total displacement will be zero when body covered the same displacement towards:
When the range of a projectile is equal to one fourth of the height then which one is true:
A body is moving with momentum of 100 kg m/s. What is the magnitude of force required to stop this body in 25 sec?
Doubling the initial velocity of a projectile while keeping all other parameters the same, the height reached by the projectile increases by:
Neglecting the effect of air resistance how long a stone takes to dropped off a 125m high building lands on the ground, take g=10m/s²:
The weight of a body is 120 N and it is lifted to height 10 m, work done on the body is:
A 200 N force acts on a 8 kg crate that starts from rest. At the instant the object has gone 2m, the rate at which the force is doing work is:
Which of the following bodies has the largest kinetic energy?
A 2kg object is released from rest 8 m above the surface of Earth. During the fall work done against air resistance is 60 J. Just before it hits the surface its speed is: (take g=10m/sec²)
The speedometer of a car shows 36 km/hr. The angular speed of the wheels having 0.5 m radius is:
The angular speed in radian/hour for daily rotation of our earth is?
A fly wheel rotates at constant speed of 600 rpm. The angle described by the shaft in radian in one second is:
The angular speed of the second hand of a watch is:
A stretched string vibrates with frequency f, when tension in the string is T, for what value of tension, the frequency of the same string is doubled?
The longitudinal waves travel more slowly in than in?
Small amplitude water waves are generated in a large ripple tank. The waves travel at 25cm/s and their adjacent crests are 5.0cm apart. The time required for each new whole cycle to be generated is:
The distance between adjacent node and anti-node is equal to:
A string clamped at its both ends, vibrates in four segments (loops). The length of string is 150 cm. The wavelength of the wave is:
The square root of the ratio of elasticity to mass density is equal to:
If the pressure of air enclosed in a long tube is increased 10 times, then speed of sound will:
The expression C_p - C_v = is equal to:
In a certain process, 200 J of heat energy is supplied to a system and at the same time 50 J of work is done by the system. The increase in the internal energy of the system is:
Work done during isochoric process is:
Two charges of magnitude q₁ = 1 μC and q₂ = 5 μC, are separated at a distance r = 1 × 10⁻³ m apart, the ratio of the magnitude of the forces acting on them will be:
For 0.5 Siemens of conductance, resistance will be:
1 volt at 1 ampere is equal to:
A wire of length L has resistivity ρ. If the wire is divided in two halves, then resistivity of each halve is:
In how many hours a 1000-watt AC will consume one unit of electricity?
Of the following, the copper conductor that has the least resistance must be:
A certain x-ray tube requires a current of 5 mA at a voltage of 60 kV. The rate of energy dissipation (in watts) is:
Ampere Second is the unit of:
The magnitude of the magnetic flux through area A has exactly the same value at angles:
A hydrogen atom that has lost its electron is moving east in a region where the magnetic field is directed from south to north. It will be deflected:
When the magnetic force acts on a charge particle, change occurs in:
A constant magnetic field of 5T is passing through a static conducting loop of area 0.8m², the induced emf is:
Magnetic flux linked with a conducting loop "A" is increased at the rate of 15 weber/second and in another conducting loop "B" is decreased at the rate of 15 weber/second, the magnitude of induced emf of:
For induced emf to be produced in a coil, the magnetic flux linked with a coil must:
For half wave rectification, the number of diode needed in a circuit is:
The frequency of a light beam "A" is half of that of light beam "B". The ratio E_A/E_B of photons energies is:
The wavelength of photon "A" is half the wavelength of photon "B". The energy of a photon "A" is:
If frequency of light is greater than threshold frequency then in photoelectric effect the number of electrons increases with increase in ______ of light:
The shortest wavelength associated to Paschen series is:
The ratio of shortest wavelength to longest of Lyman Series is:
Half-life of a radioactive element is 100 days. How much quantity of the 88 g of such element will remain after three half-lives?
Radioactive ⁹⁰Sr has a half-life of 30 years. What percent of a sample of ⁹⁰Sr will remain after 90 years?
At the end of 15min, 1/32 of a sample of radioactive polonium remains. The corresponding half-life is:
Two equal and opposite charges of 10 C are separated at a distance of 10 cm, the electric potential at mid-point between the charges is:
The force of repulsion between two alike charges is 10 N in vacuum. When a material of εᵣ = 2 is placed between them, new force will be:
The slope of the charge-time graph for a charging capacitor gives:
Two small charged objects attract each other with a force F when separated by a distance d. If the charge on each object is reduced to one-fourth of its original value and the distance between them is reduced to d/2 the force becomes:
If both the plate area and the plate separation of a parallel-plate capacitor are doubled, the capacitance is:
A 20µF capacitor is charged to 200 V. Its stored energy is:
The primary winding of a transformer has a 120 V AC supply. What is the value of secondary voltage if the turn ratio is 20. (turn ratio = N₁/N₂)
I like ___ blue T-shirt over there better than ___ red one.
All you think and hanker ___ is government service.
Choose the correct sentence.
The director as well as the manager of the hotel ___ attending the meeting.
Read the passage and answer the question Given at the end.For my 25th birthday, my uncle gave me a gift card to go skydiving at a special place near Miami. I was happy because I wanted to do something well. On the day of my jump, I could not take breakfast because of the nerves. Before I knew the danger involved in it, I was on the plane with a parachute on my back. After the fall, I could feel adrenaline running through me. Then the parachute opened, and I was floating freely, like a bird. Those wonderful moments helped me to realize that I am the kind of person who can take risks in life.119. The author learns from the experience of skydiving that:
The novice teacher was excited about her first teaching job. [The word closest in meaning to the underlined word is]
Choose the correct spelling:
If I were younger, I ___ around the world.
The flower girl sold HIM flowers. [The Capitalized word is]
Identify the past simple tense in the following.
Something odd was happening all around the world. [Identify the clause]
We met rather few people who spoke English. [The sentence is]
Identify the sentence with correct punctuation and capitalization.
Which of the following sentences is in correct order?
You can either come with me now nor walk home later. [The word which does not fit in the sentence is]
I just don't want to get out off bed today. [Find an error in the sentence if any]
Read the passage and answer the questions given at the end (Q131-132).Effort should be made to control the use of tobacco in the campuses of educational institutions because it is gateway to drug abuse.Most of the youths usually start with soft drugs like cigarettes, chaliya, gutka, masher and pan, and then move to hard drugs like heroin, opium, cocaine, ice and sheesha, etc. People who start smoking cigarettes or drink alcohol at a young age are much more likely to experiment with illegal drugs than people who do not smoke or drink.131. According to the paragraph:
Smoking cigarettes or drinking alcohol leads to:
Which of the following statements is not correct about alveoli:
Which of the following connective tissues consist of cells known as chondrocytes:
The joint present between wrist bones is:
A sarcomere is the region of a myofibril between two successive:
The size of synaptic cleft (the gap separating nerve cells) in electrical synapses:
The activities like sleeping, walking and dreaming are controlled by which part of brain:
The hormone "calcitonin" is secreted by:
Fallopian tube is also known as:
The syphilis is a ______ disease:
The most common symptom of gonorrhea in males is:
G. J. Mendel chose ______ as an experimental plant for his study:
When round and yellow color seeded plant (RrYy) is self-crossed the number of plants with round and yellow color seeds obtained is ______ in 32 plants:
In crossing over, exchange of maternal and paternal chromatid parts occurs while homologous chromosomes are paired during:
Drosophila melanogaster is the scientific name of:
A condition that renders the individual less able to form blood clot is:
Inter-specific struggle refers to:
Identify fossil bird among the following:
Which of the following organelle is regarded as self-replicating organelle:
The prokaryotic cell wall composed of:
_____ is found in the exoskeleton of crabs.
Choose the unsaturated fatty acid among the following:
The conjugated molecule that is primarily present in egg albumin is:
FSH (Follicle Stimulating Hormone) stimulates spermatogenesis by stimulating ______ cells to complete the development of sperms.
The process of photophosphorylation takes place in:
Which of the following hormones is released by the posterior lobe of pituitary gland?
Which of the following agents can easily pass through filter paper?
HIV belongs to a special class of virus known as:
The capsule of a bacterial cell is a sticky gelatinous structure made up of protein and:
The transgenic plants, such as golden rice are produced primarily with the help of:
Which of the following chemicals is used to preserve biological specimens:
Coral reefs are the characteristic feature of phylum:
According to sliding filament hypothesis, the release of ______ ions from the sarcoplasmic reticulum causes the reorientation of certain components in thin filament, permitting them to bind with extension from the thick myosin filaments:
The green glands found in arthropods are concerned with:
The Purkinje fibers are the specialized fibers found in:
The largest body of lymphoid tissue in the human body is:
The immune cells that clean up pus as a part of the healing process is:
Lipid synthesis occurs in which one of the following organelle of the cell?
The testes are male gonads which are situated outside the abdomen within a skin pouch called:
The term polydipsia refers to:
Lactose is composed of:
Saprophytic bacteria are:
In human heart right atrium communicates with right ventricle through:
The first segment of the small intestine is:
Which one of the following factors does not affect the rate of enzyme action?
Light reaction occurs in the ______ of chloroplast:
How many pieces of ribonucleic acid (RNA) make up the genome of influenza virus?
In Mendelian cross for heterozygous flower (Pp), what is the probability that the dominant allele will be in sperm and the recessive in the egg:
Mastication causes exocrine glands under the tongue and in the back of mouth to secrete a watery liquid called:
In phylum Aschelminthes (Nematoda), nervous system consists of a nerve ring which encircles the ______ and sends its branches in different parts of the body:
Salmonella typhi causing typhoid and ______ Clostridium tetani causing tetanus are which type of bacteria?
Who formulated the principle that 'ontogeny recapitulates phylogeny':
Aquatic mammals belong to the order ______:
All of the following paired organs/structures have homology except:
The head of some phages are icosahedral, which means that the head possess:
In sickle cell, haemoglobin molecule, glutamic acid, is replaced by:
Where do phospholipids arrange themselves in a cell?
Which type of nerve impulse occurs in non-myelinated neuron fibers?
In alcoholic fermentation ______ ATP molecules are produced from 1 glucose molecule:
Amino acids mainly differ from each other by the difference in their:
All of the following are related to enzymes except:
The cytoplasm contain(s):
Tay-sach's disease particularly results from the malfunctioning of:
Enzymes present in mammals work best at about:
An example of competitive inhibitor molecule is:
The ATP formed in the preparatory phase of glycolysis is [are]:
Mitochondria is usually absent in:
___ consists of units called dictyosomes.
The optimal pH of lipase (pancreas) is:
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