MDCAT Solved Paper Bank
Total compiled MCQs: 254
This bank is compiled from uploaded MDCAT word files. Answers are shown where confidently available from source text.
Compiled Questions
Question 1
- Question: Catalase can be activated at pH:
- A) 1
- B) 3
- C) 5
- D) 7
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 2
- Question: Enzymatic activity can be inhibited by?
- A) Heavy metal ions
- B) Methane
- C) Mutase
- D) Noble gases
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 3
- Question: A competitive inhibitor:
- A) Accelerates the chemical reaction
- B) Competes with the enzyme
- C) Is irreversible
- D) Is reversible
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 4
- Question: Wings of birds and that of flying lizards provide evidence of:
- A) Convergent evolution
- B) Divergent evolution
- C) No evolution
- D) Same origin
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 5
- Question: Which enzyme is secreted in the active form?
- A) Amylase
- B) Lipase
- C) Peptidase
- D) Protease
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 6
- Question: Which hormone stimulates the secretion of gastric juice?
- A) Cholecystokinin
- B) Gastrin
- C) Insulin
- D) Secretin
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 7
- Question: In an inflammatory response, bradykinin causes?
- A) Activation of natural killer cells
- B) Blockage in blood vessels
- C) Constriction of blood vessels
- D) Leakage of fluid from blood vessels
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 8
- Question: Which of the following is an example of passive immunity?
- A) Antibodies from mother’s milk
- B) Previous chickenpox infection
- C) Inactivated polio vaccine
- D) Live polio vaccine
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 9
- Question: Bacteria that lack flagella are called?
- A) Amphitrichous
- B) Atrichious
- C) Lophotrichous
- D) Peritrichous
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 10
- Question: Antibiotics can be used against:
- A) Herpes simplex
- B) Influenza
- C) Polio
- D) Salmonella typhi
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 11
- Question: The acidity of urine is neutralized by?
- A) Cowpers gland
- B) Prostate gland
- C) Seminal vesicle
- D) Vas deferens
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 12
- Question: The outer layer of uterus is called as:
- A) Endometrium
- B) Myometrium
- C) Mesometrium
- D) Perimetrium
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 13
- Question: What happens to calcium when skeletal muscles recover from contraction?
- A) Released from the sarcoplasmic reticulum
- B) Released from the myosin head
- C) Pumped into the sarcoplasmic reticulum
- D) Exchanged for sodium ions
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 14
- Question: Which of the following blood groups has anti-A and anti-B antibodies in the serum?
- A) A
- B) AB
- C) B
- D) O
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 15
- Question: What is the primary outcome of crossing over during prophase of meiosis I?
- A) Chromosomes duplicate without any exchange of parts
- B) Homologous chromosomes exchange different pairs leading to recombinant chromatids and increased genetic variation
- C) Homologous chromosomes exchange identical parts, resulting in no genetic variation
- D) Non-homologous chromosomes exchange parts
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 16
- Question: The genetic makeup that your parents have transferred to you for your hair color, makes up your:
- A) Genotype
- B) Karyotype
- C) Phenotype
- D) None of the above
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 17
- Question: Carnivorous plants have evolved mechanisms for trapping and digesting small animals. The product of this digestion is used to supplement the plant’s supply of:
- A) Carbohydrates
- B) Lipids
- C) Nitrites
- D) Water
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 18
- Question: Which is true for an X linked dominant trait?
- A) All female offspring of the affected father will be affected
- B) Half of the female offsprings of the affected father will be affected
- C) No male offspring of an affected mother will be affected
- D) No female offspring of the affected father will be affected
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 19
- Question: Malpighian tubules are found in:
- A) Earthworm
- B) Grasshopper
- C) Leech
- D) Slug
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 20
- Question: Canal system is a characteristic of?
- A) Cnidarians
- B) Protozoans
- C) Porifera
- D) Segmented worms
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 21
- Question: Mantle is the feature of?
- A) Annelids
- B) Chordates
- C) Echinoderms
- D) Mussel
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 22
- Question: The pathway to the breakdown of glucose, carried out by micro-organisms, is called:
- A) Lactic acid fermentation
- B) Alcoholic fermentation
- C) Cellular respiration
- D) None of the above
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 23
- Question: Chromosome is typically made up from a combination of?
- A) DNA and protein
- B) DNA and RNA
- C) RNA and lipids
- D) RNA and proteins
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 24
- Question: Which cytoplasmic organelle make their own proteins?
- A) Chromosomes
- B) Golgi apparatus
- C) Mitochondria
- D) Smooth endoplasmic reticulum
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 25
- Question: Which part of the brain is controlling your sense of balance?
- A) Amygdala
- B) Cerebellum
- C) Hippocampus
- D) Medulla Oblongata
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 26
- Question: Most of the neurons in the CNS are?
- A) Bipolar
- B) Multipolar
- C) Pseudo unipolar
- D) Unipolar
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 27
- Question: According to Lamarckism, the basis of evolution is:
- A) Inheritance of acquired characteristics
- B) Mutation
- C) Natural selection
- D) Survival of the fittest
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 28
- Question: What best describes the hind leg bones seen in the whale?
- A) Analogous to the fin of living fish
- B) Fossil structure from an extinct ancestor
- C) Homologous structure of the wings of a bat
- D) Vestigial structures that had a function in an ancestor
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 29
- Question: Which is true about the cells found in gastric glands lining the stomach wall?
- A) Chief cells secrete gastrin
- B) Hormone cells secrete intrinsic factor
- C) Mucus cells secrete mucin
- D) Parietal cells secrete pepsinogen
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 30
- Question: What directly triggers the activation of natural killer cells?
- A) Free radicals
- B) Hydrogen peroxide
- C) Interferons
- D) Oxygen
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 31
- Question: Which of the following is NOT true about plasmids found in streptococci?
- A) Carry fewer genes than the chromosome
- B) Replicate autonomously from the chromosome
- C) They are considered as genetic element
- D) The bacterial chromosome depends on plasmids for replication
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 32
- Question: Which of the following bacteria produces endospores?
- A) Both gram negative and positive bacteria
- B) Gram negative
- C) Gram positive
- D) Mycobacteria
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 33
- Question: is used in the production of Humulin?
- A) Bacteria
- B) Fungi
- C) Protozoa
- D) Virus
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 34
- Question: Which of the following does NOT relate to smooth muscles?
- A) Controlled by the autonomic nervous system
- B) Have spindle shaped cells
- C) Line the wall of heart
- D) Lack striations
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 35
- Question: What will happen with the addition of salt to water?
- A) Water potential will increase
- B) Water potential will remain same
- C) Osmotic potential will increase
- D) Osmotic potential will remain same
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 36
- Question: Which of the following is NOT true about viruses?
- A) Contain DNA
- B) Can replicate on their own
- C) Can infect bacteria
- D) They have a sub-cellular structure
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 37
- Question: The genetic code of is bound by a lipid membrane?
- A) Enterovirus
- B) Flu virus
- C) Hepatitis A virus
- D) Polio virus
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 38
- Question: Where are the enzymes required for the replication of HIV virus located?
- A) In the protein spikes
- B) Surrounding the viral core
- C) Inside the capsid
- D) Outside the capsid
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 39
- Question: The process of ATP synthesis through a combination of electrochemical and osmotic events is known as:
- A) Fermentation
- B) Glycolysis
- C) Oxidative phosphorylation
- D) Oxidation of pyruvate to acetyl CoA
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 40
- Question: Optimum pH for pancreatic lipase is:
- A) 2
- B) 4
- C) 6
- D) 8
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 41
- Question: Sickle cell anaemia results from?
- A) Reduction in oxygen carrying capacity of haemoglobin
- B) Linkage between the polypeptide chains
- C) Singleaminoacidsubstitutioninthe haemoglobin molecule
- D) Viral infections of RNA viruses
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 42
- Question: Which is INCORRECT about the globular proteins?
- A) Abundantly found in hair
- B) Are spherical in shape
- C) Have polypeptide chains
- D) Soluble in water
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 43
- Question: What is the ester of fatty acids and long chain alcohol called?
- A) Acylglycerol
- B) Glycerol
- C) Phospholipid
- D) Wax
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 44
- Question: Lipids, which do not contain fatty acid are:
- A) Neutral lipids
- B) Phosphatidic acids
- C) Steroids
- D) Waxes
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 45
- Question: Which organelle contribute towards steroid production?
- A) Endoplasmic Reticulum
- B) Golgi apparatus
- C) Lysosome
- D) Ribosomes
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 46
- Question: The lysosomes found in eukaryotes contain:
- A) Hydrolytic enzymes
- B) Meiotic enzymes
- C) Oxidative enzymes
- D) Mitotic enzymes
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 47
- Question: Plasma membrane is differentially permeable membrane due to the presence of?
- A) Carbohydrates
- B) Lipids
- C) Proteins
- D) Vitamins
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 48
- Question: A motor neuron:
- A) Carries impulse from effectors to CNS
- B) Carries impulse from receptors to CNS
- C) Carries impulse from CNS to muscles
- D) Connects sensory nerves to ganglions
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 49
- Question: Diffusion of across the post synaptic membrane causes it to depolarise:
- A) Calcium ions
- B) Chloride ions
- C) Potassium ions
- D) Sodium ions
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 50
- Question: What happens to the enzyme after an enzyme-catalysed reaction?
- A) Reduced to inactive form
- B) Becomes inert
- C) Changes into substrate
- D) Used for another reaction
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 51
- Question: 18.5g of Al metal, when it reacts completely with oxygen gas according to the following equation? 4Al(S) + 3O2(g) 2Al2O3(S)
- A) 30.8g
- B) 32.6g
- C) 34.9g
- D) 36.5g
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 52
- Question: Which one of the following is a strong electrolyte in solution?
- A) Acetic acid
- B) Ammonium hydroxide
- C) Carbonic acid
- D) Potassium iodide
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 53
- Question: Which of the following alkali metal forms only normal oxide with O2?
- A) K
- B) Li
- C) Na
- D) Rb
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 54
- Question: Potassium ferrocyanide is which type of salt?
- A) Complex
- B) Double
- C) Mixed
- D) Normal
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 55
- Question: Pyridine belongs to which class of organic compounds?
- A) Alicyclic
- B) Heterocyclic
- C) Homocyclic
- D) Hydrocarbon
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 56
- Question: Which of the following elements cannot be detected directly in a given organic compound?
- A) Chlorine
- B) Nitrogen
- C) Oxygen
- D) Phosphorous
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 57
- Question: Which of the following has the highest boiling point?
- A) ethyl alcohol
- B) isopropyl alcohol
- C) n-propyl alcohol
- D) tert-butyl alcohol
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 58
- Question: Which aldehyde is more reactive towards nucleophilic addition?
- A) Acetaldehyde
- B) Butyraldehyde
- C) Formaldehyde
- D) Propionaldehyde
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 59
- Question: How many moles are there in 60g of sodium hydroxide (NaOH)?
- A) 2
- B) 4
- C) 6
- D) 8
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 60
- Question: Heating 24.8g of copper carbonate (CuCO3) in a crucible produced only 13.9g of copper oxide (CuO). What is the percentage yield of copper oxide?
- A) 81.79%
- B) 83.98%
- C) 86.87%
- D) 89.68%
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 61
- Question: Which of the following sub-shell does not exist?
- A) 1p
- B) 1s
- C) 5d
- D) 6f
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 62
- Question: What is the mass of 1 mole of calcium carbonate (CaCO3)?
- A) 50g
- B) 75g
- C) 100g
- D) 125g
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 63
- Question: Which one of the following molecules has a pyramidal structure?
- A) C2H4
- B) CH4
- C) H2O
- D) NH3
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 64
- Question: Which one of the following molecules has a zero-dipole moment?
- A) BF3
- B) NF3
- C) NH3
- D) H2O
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 65
- Question: How many grams of CO2 can be produced by thermally decomposing 10 moles of ZnCO3(S)?
- A) 320
- B) 360
- C) 400
- D) 440
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 66
- Question: How many moles of NaCl are produced from 16.5g of HCl, according to the neutralization reaction?
- A) HCl(aq) + NaOH(aq) NaCl(aq) + H2O(I)
- B) 0.252
- C) 0.452
- D) 0.652
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 67
- Question: In an adiabatic process, how does the temperature of a gas change as its volume decreases?
- A) The temperature decreases
- B) The temperature increases
- C) The temperature remains constant
- D) The temperature first increases then decreases
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 68
- Question: During an isothermal expansion of an ideal gas, which of the following statement is true?
- A) Pressure and temperature of the gas increase
- B) The internal energy of the gas increases
- C) The temperature of the gas remains constant
- D) The work done by the gas is zero
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 69
- Question: What is the increase in force between two charges if the separation between them is decreased by 50 percent?
- A) Becomes four times
- B) Doubles
- C) Increases by half
- D) Triples
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 70
- Question: According to Coulomb’s law, what happens to the electrostatic force between the 2-point charges if the distance between them is doubled?
- A) The force becomes one-fourth
- B) The force becomes half
- C) The force doubles
- D) The force remains the same
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 71
- Question: What does one Coulomb represent in terms of charge?
- A) The amount of charge transported by a current of one Ampere in one second
- B) The charge of one proton
- C) The charge of one electron
- D) The charge required to create a force of 1 Newton between two charges separated by 1meter
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 72
- Question: Two points charges, +5µC and -5µC are placed at points A and B, respectively, which are separated by a distance 2d. What is the electric potential at the midpoint M of the line joining A and B?
- A) 2kQ/d
- B) kQ/d
- C) -kQ/d
- D) zero
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 73
- Question: If the dielectric material between the plates of the capacitor is removed, what happens to the electric field between the plates?
- A) The electric field becomes zero
- B) The electric field decreases
- C) The electric field increases
- D) The electric field remains the same
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 74
- Question: Capacitance of a capacitor increases with a decrease in:
- A) Dielectric constant
- B) Plate area
- C) Permittivity
- D) Plate separation
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 75
- Question: For metals, the temperature coefficient of resistance is:
- A) Infinity
- B) Negative
- C) Positive
- D) Zero
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 76
- Question: If R1 and R2 are respectively the filament resistance of a 100-Watt bulb and 200-Watt bulb designed to operate on the same voltage, then power of:
- A) R1 is two times R2
- B) R2 is two times R1
- C) R2 is four times R1
- D) R1 is four times R2
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 77
- Question: statement about electromagnetic force acting on the electron?
- A) Force acting is equal to electron charge
- B) Force acting is equal to the magnetic field strength
- C) Force acting is maximum
- D) Zero force is acting on it
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 78
- Question: For a positive charged particle (q) moving with a velocity (v) in a magnetic Filed of flux density B, the force (F) acting on the charge particle is given by the expression?
- A) q = Fv × B
- B) F = qv × B
- C) F = v × B/q
- D) q = v × B/F
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 79
- Question: Which of the following statement is true about the magnetic field inside a solenoid?
- A) It is along the axis of the coil
- B) It is circular around the wires
- C) It is strongest at the ends of the solenoid
- D) It is zero when current flows through it
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 80
- Question: 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?
- A) 12 V
- B) 19.4 V
- C) 20.6 V
- D) 25 V
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 81
- Question: The direction of induced current is determined by?
- A) Ampere’s law
- B) Faraday’s law
- C) Lenz’s law
- D) Ohm’s law
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 82
- Question: When the PN junction is reverse-biased, its reverse current is of the order of:
- A) Gigaamperes
- B) Kiloamperes
- C) Megaamperes
- D) Microamperes
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 83
- Question: The momentum of moving photon is:
- A) mc2
- B) λ / h
- C) h / λ
- D) zero
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 84
- Question: In every instant of time, wavelength associated with a freely falling body:
- A) Decreases
- B) Increases two times
- C) Increases four times
- D) Remains constant
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 85
- Question: As per 2nd photoelectric experiment, photoelectric effect does not occur if the frequency of the incident light is?
- A) Below the threshold frequency
- B) Equals the threshold frequency
- C) Three times the threshold frequency
- D) Twice the threshold frequency
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 86
- Question: If an electron in the hydrogen atom jumps from second to first orbit, the emitted radiation has a wavelength of?
- A) 4/3RH
- B) 3/4RH
- C) RH
- D) 4RH
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 87
- Question: λ is a constant:
- A) Decay
- B) Dielectric
- C) Plank’s
- D) Proportionality
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 88
- Question: A car is moving in a circular path at a constant speed. What provides the necessary centripetal force to keep the car moving in this path?
- A) The car’s inertia resisting any change in direction
- B) The car’s mass pulling it towards the centre of the circle
- C) The engine’s power pushing the car forward
- D) The friction between the tyres and the road
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 89
- Question: Which of the following pairs correctly matches a physical quantity with its SI unit?
- A) Energy- Newton
- B) Force – Joule
- C) Power- Watt
- D) Velocity-m/s2
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 90
- Question: is the natural tendency of an object to remain at rest or in motion with constant velocity?
- A) Friction
- B) Inertia
- C) Mass
- D) Weight
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 91
- Question: A car in motion hits and gets crashed into a tree trunk, what is NOT conserved?
- A) Kinetic energy alone
- B) Momentum alone
- C) Momentum and kinetic energy both
- D) Neither kinetic energy nor momentum
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 92
- Question: A ball is kicked horizontally from the top of a 10m high cliff with an initial speed of 15m/s. After 2 seconds, which of the following statement describes the ball’s horizontal and vertical components?
- A) The horizontal velocity is 15m/s while vertical velocity is 20m/s downwards
- B) The horizontal velocity is 15m/s while vertical velocity is 15m/s downwards
- C) The horizontal velocity is 30m/s while vertical velocity is 20m/s downwards
- D) The horizontal velocity is 15m/s while vertical velocity is 0m/s
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 93
- Question: How does an angle between the force applied and the direction of motion influence the work done on an object?
- A) Work is constant regardless of the angle
- B) Work is maximum when the angle is 0o
- C) Work is negative when the angle is 90o
- D) Work is 0 when the angle is 45°
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 94
- Question: A nurse is pushing a wheelchair with an 80kg patient sitting on it. How much work is done by the patient’s weight?
- A) Half of the work
- B) Maximum work
- C) Minimum work
- D) No work
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 95
- Question: If a constant force of 10N is applied to move an object 5m in the direction of the force, what is the work done?
- A) 2 J
- B) 5 J
- C) 15 J
- D) 50 J
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 96
- Question: The escape velocity of a body in the gravitational field of Earth is dependent on:
- A) Angle on which it is thrown
- B) Both mass of the body and the angle at which it is thrown
- C) Mass of earth
- D) Mass of the body
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 97
- Question: A wheel makes 3 complete revolutions. What is the total number of radians through which a point on wheel has rotated?
- A) 2π
- B) 3π
- C) 6π
- D) 9π
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 98
- Question: For rigid body that rotates about a fixed axis, the angle swept out by a line passing through any point on the body and intersecting the axis of rotation perpendicularly is called?
- A) Angular acceleration
- B) Angular displacement
- C) Angular momentum
- D) Angular velocity
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 99
- Question: In a rotating spaceship, to produce artificial gravity, what does the centripetal force do?
- A) Has no effect inside the spaceship
- B) Increases spaceship’s rotation
- C) Pulls objects towards the centre
- D) Pushes the objects towards the outer wall
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 100
- Question: When the mass of a body moving along a circle becomes half and radius becomes double, and v is constant, the centripetal force becomes?
- A) Double
- B) Half
- C) One-fourth
- D) Remains Same
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 101
- Question: What happens when two waves of the same frequency and amplitude meet in phase?
- A) They cancel each other out resulting in a destructive interference
- B) They combine to form a wave double the amplitude, resulting in constructive interference
- C) They produce a wave with zero amplitude
- D) They produce a wave with the same amplitude as the individual waves
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 102
- Question: Which type of waves can be polarized?
- A) Longitudinal waves
- B) Mechanical waves
- C) Sound waves
- D) Transverse waves
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 103
- Question: A tuning fork having angular frequency equal 440Hz produces sound waves which travel with the speed of 340 m/s. What is the separation between a compression and the adjacent rarefaction of the sound waves?
- A) 0.57 m
- B) 0.67 m
- C) 0.77 m
- D) 0.87 m
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 104
- Question: A police car, with its siren on, is moving towards a stationary listener. How does the stationary listener receive the frequency of the sound emitted by the siren? It
- A) Decreases
- B) Increases
- C) Stays the same
- D) Varies randomly
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 105
- Question: The teacher asked, “Did you complete your homework?”
- A) The teacher asked, “did you complete your homework”.
- B) The teacher asked, did you complete your homework.
- C) Punctuate the following sentence correctly. Lets meet at Sarahs house after school
- D) Let’s meet at Sarah’s house after school.
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 106
- Question: Do you usually take a busthe market?
- A) By
- B) For
- C) Of
- D) To
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 107
- Question: Identify the sentence that contains an ERROR in word order, style, or vocabulary:
- A) He has a talent for solving complex problems.
- B) She enjoys reading, writing, and to paint.
- C) The quick brown fox jumps over the lazy dog.
- D) They quickly adapted to the new environment.
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 108
- Question: Order is the law of civilization as chaos is the law of the . The most appropriate word to be filled in is:
- A) City
- B) Metropolis
- C) Physician
- D) Wilderness
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 109
- Question: Based on the paragraph, which of the following statements can be inferred?
- A) Busy schedules and lack of motivation are barriers to regular exercise.
- B) Chronic diseases cannot be prevented by regular exercise.
- C) Exercise is only beneficial for physical health, not mental health.
- D) People who exercise regularly never experience stress or anxiety.
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 110
- Question: Which of the following words is a synonym for “meticulous”?
- A) Abhorrent
- B) Heedless
- C) Incautious
- D) Precise
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 111
- Question: The detective noticed a subtle change in the suspect’s tone when he asked about her whereabouts on the night of the crime, which hinted at something more significant. What does “subtle” most likely mean?
- A) Dramatic
- B) Notable
- C) Obvious
- D) Slight
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 112
- Question: , calmly assessing her options before deciding. Fill in the blank with the appropriate choice:
- A) Composed
- B) Erratic
- C) Frantic
- D) Hysterical
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 113
- Question: Choose the sentence with the correct tense and sentence structure:
- A) He is going to the market yesterday.
- B) I had been waiting for the bus, and it arrives.
- C) She will finish her homework before she went to bed.
- D) They were playing football when it started to rain.
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 114
- Question: Choose the correct sentence:
- A) She didn’t knew about the surprise party.
- B) She hasn’t knew about the surprise party.
- C) She didn’t know about the surprise party.
- D) She doesn’t knew about the surprise party.
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 115
- Question: A store offers a 10% discount on all items. After applying the discount, the price of an item is Rs. 450. What was the original price of the item?
- A) Rs. 490
- B) Rs. 495
- C) Rs. 500
- D) Rs. 505
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 116
- Question: I went 10 m to the East from my house, then turned north and walked another 15m, and then I turned west and covered 12 m, and then turned south and covered 15m. How far am I from my house?
- A) 0 m
- B) 1 m
- C) 2 m
- D) 3 m
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 117
- Question: If a>b, b>c, and d>a then?
- A) b<d
- B) a<c
- C) b>d
- D) c>d
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 118
- Question: Find out the missing term in the sequence: 15, 14, 12, 9?
- A) 5
- B) 6
- C) 7
- D) 8
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 119
- Question: All omnivores are herbivores. No herbivores are carnivores. Some carnivores are humans. Which of the following conclusions are TRUE?
- A) CONCLUSIONS: I. Some humans are carnivores. II. No carnivores are omnivores. III. Some omnivores are carnivores.
- B) I and II
- C) I and III
- D) II and III
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 120
- Question: Which of the following best describes the cause-and-effect relationship?
- A) Sara’s decreased productivity is causing the construction work.
- B) The ongoing construction work is causing Sara’s decreased productivity.
- C) Sara’s productivity was already decreasing before the construction work began.
- D) The construction work is unrelated to Sara’s productivity.
- Correct Answer: Not available in source
- Source: MDCATVerC.docx
Question 121
- Question: If during circular motion, tangential velocity of a body becomes double then centripetal force becomes:
- A) Double
- B) One half
- C) Four times
- D) One fourth
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 122
- Question: Under what condition an object will have zero displacement but non zero distance?
- A) Linear motion
- B) Circular motion
- C) Random motion
- D) Osciallation
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 123
- Question: Which one of the following properties is not exhibited by the longitudinal waves?
- A) Interference
- B) Reflection
- C) Diffraction
- D) Polarization
- Correct Answer: D
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 124
- Question: The speed of sound in air is 332m/s. the speed of sound at 22oC will be:
- A) 345.2 m/s
- B) 340 m/s
- C) 350 m/s
- D) 330 m/s
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 125
- Question: Astronomers calculate speed of dstant stars and galaxies using which of the following phenomena?
- A) Beats
- B) Interference
- C) Super position principle
- D) Doppler effect
- Correct Answer: D
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 126
- Question: In a ripple tank, 40 waves pass through a certain point in 1 second. If the wavelength of the wave is 5 cm, then speed of the wave is:
- A) 0.5 ms-1
- B) 1 ms-1
- C) 1.5 ms-1
- D) 2 ms-1
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 127
- Question: In which process the entire of heat supplie to the gas is converted to the internal energy of the gas?
- A) Isochoric process
- B) Isoharic process
- C) Isothermal process
- D) Adiabatic process
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 128
- Question: The internal energy of a system during an isothermal process:
- A) Decrease
- B) Increase
- C) Becomes zero
- D) Remain constant
- Correct Answer: D
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 129
- Question: If the potential at a point which is 1m from a charge is 1 volt, them the potential at a pont which is 2m from the same charge will be:
- A) 2v
- B) 1v
- C) 0.5v
- D) 3v
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 130
- Question: The values of electric intensity will due to the presence of dielectric medium:
- A) Increase
- B) Decrease
- C) Increase exponentially
- D) Remain same
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 131
- Question: The slope of distance – time graph will always be:
- A) Negatice
- B) Positive
- C) Zero
- D) Maximum
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 132
- Question: At what angle of projection of a projectile the range becomes half of its maximum value?
- A) 14o
- B) 20o
- C) 20o
- D) 40o
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 133
- Question: If we drop an object, its initial velocity is zero. How far will it fall in time ‘t’?
- A) 9.8 t2
- B) 4.9 t2
- C) 0.49 t2
- D) 98 t2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 134
- Question: The newton-second is unit of:
- A) Work
- B) Power
- C) Impulse
- D) Momentum
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 135
- Question: A 1.75m heighted weight- lifter raises weight with a mass of 50kg to a height of 0.5m above his head, how much work is being done by him? (g = 10m-2)
- A) 2125 J
- B) 2500 J
- C) 50 J
- D) 1225 J
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 136
- Question: What is the speed of 2.9 kg metallic b ob at mean position of a simple pendulum, when release from its extreme position 0.5 m high? (g = 10m-2)
- A) 3.16 ms-1
- B) 10 ms-1
- C) 100 ms-1
- D) 50 ms-1
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 137
- Question: When the speed of your car is halved, by what factor does its kinetic energy decreases?
- A) ½
- B) ¼
- C) 1/8
- D) 1/6
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 138
- Question: Which one of the following force in non conservative force?
- A) Frictional force
- B) Gravitational force
- C) Electric force
- D) Elastic spring force
- Correct Answer: A
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 139
- Question: The earth rotates on its axis once a day. Suppose, by dome process the earth contracts so that its radius is only half as large as at present, then how long the earth will take to complete its rotation?
- A) 24 hours
- B) 18 hours
- C) 6 hours
- D) 12 hours
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 140
- Question: Sol: here we assume that the mass of the earth remains same, moment of the inertia of the earth rotating about its axis is:
- A) I = 2/5 MeRe2(Equation 1)
- B) Angular velocity of the earth is
- C) ω =2π/T(Equation 2)
- D) when the radius is reduced to half, the enw moment of inertial is I = 2/5Me(Re)2 = 2/5Me(Re/2)2(Equation 3)
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 141
- Question: 1 radian is equal to:
- A) 57.1o
- B) 57.2
- C) 57.3’’
- D) 57.4o
- Correct Answer: C
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 142
- Question: In transmission from grid station, power losses are maximized by:
- A) Increasing current
- B) Decreasing current
- C) Increasing resistance
- D) Increasing voltage
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 143
- Question: The domestic electricity supply has a frequency of:
- A) 150 Hz
- B) 100 Hz
- C) 50 Hz
- D) 25 Hz
- Correct Answer: C
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 144
- Question: PIV stands for:
- A) Positive inverse charge
- B) Power integrated voltage
- C) Peak inverse voltage
- D) Peak integrated voltage
- Correct Answer: C
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 145
- Question: In full wave rectification, the dioides are used:
- A) 1
- B) 2
- C) 3
- D) 4
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 146
- Question: The wavelength associated with an electron is of the order of:
- A) Visible light
- B) X-rays
- C) Radio waves
- D) Infraref
- Correct Answer: B
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 147
- Question: Which photon carries the most energy?
- A) Blue
- B) Violet
- C) Red
- D) Green
- Correct Answer: B
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 148
- Question: Which one of the following series lies in the ultraviolet region?
- A) Balmer series
- B) Pascher series
- C) Lyman series
- D) Bracaket series
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 149
- Question: The main difference between X-rays and γ rays is:
- A) Frequency
- B) Wave length
- C) Energy
- D) Origin
- Correct Answer: D
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 150
- Question: There are initially 400 atoms in a radioactive sample. What of atoms after 3 half-life?
- A) 400
- B) 200
- C) 50
- D) 25
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 151
- Question: Which using radiation theraphy, cancerous thyroid is treated with radioisotope:
- A) Carbon
- B) 235 uranium
- C) Thorium
- D) Iodine-131
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 152
- Question: In capacitors, energy is stored in the form of:
- A) Gravitational energy
- B) Kinetic energy
- C) Electric intensity (correct)
- D) Magnetic induction
- Correct Answer: C
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 153
- Question: Ohm time’s farad is equivalent to:
- A) Time (correct)
- B) Charge
- C) Distance
- D) Capacitor
- Correct Answer: A
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 154
- Question: One kilowatt-hours is commonly termed as one commercial uniq of electric energy which is equal to:
- A) 3.6 x 105 J
- B) 3.6 x 106 J (correct)
- C) 3.6 x 104 J
- D) 3.6 x 103 J
- Correct Answer: B
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 155
- Question: When a wire is compressed and its radius becomes 2R then its resistance will be:
- A) 16R
- B) 4R
- C) 1/16R
- D) 1/4R
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 156
- Question: One of the following is an ohmicdevie:
- A) Filament bulb
- B) Semiconductor diode
- C) Transistor
- D) Copper wire (correct)
- Correct Answer: D
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 157
- Question: The change is resistance of metallic conductor at temperature below 0oC is:
- A) Non linear
- B) Curve
- C) Linear
- D) Curvilinear
- Correct Answer: C
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 158
- Question: When current are flowing through two long parallel wires in same direction electric field between them is:
- A) Strong
- B) Weak
- C) Remains constant
- D) Infinite
- Correct Answer: B
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 159
- Question: Magnetic flux is maximum when angle between magnetic field and vector area is:
- A) 0o
- B) 90o
- C) 180o
- D) 45o
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 160
- Question: Transformer is device which steps up or steps down the input:
- A) Current
- B) Voltage
- C) Energy
- D) Power
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 161
- Question: If a stationary bar magnet is places near a coil at rest so maximum lines of force passes through the coil, the galvanometer shows:
- A) Maximum current
- B) Minimum current
- C) No current
- D) Intermediate value of current
- Correct Answer: C
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 162
- Question: Secondary alkyl halides is:
- A) a.
- B) b.
- C) c.
- D) d. CH3 CI
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 163
- Question: R-X on reaction with alcohols forms:
- A) R-OH
- B) ROR
- C) R-X-OH
- D) RH
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 164
- Question: IUPAC name of C6H5O ( CH3)2 is:
- A) 2-Methyl-3-Hexanone
- B) 2,6 – Himethyl cyclohexanone
- C) 3 – Methyl cyclohexanone
- D) 4 – Methyl – 3- hexanone
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 165
- Question: Phenol is known as:
- A) Carpolic acid
- B) Carbonylic acid
- C) Carbolic acid
- D) Carbolylic acid
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 166
- Question: Phenol is more acidic than alcohols because of the following reason:
- A) Delocalization of negative charge in the OH group
- B) Delocalization of positive charge on the carbon atom in ring
- C) Delicalization of negative charge in the ring
- D) Delocalization of positive charge on the OH group
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 167
- Question: which of the following reagent is use to separate and purify carbonyl and non- carbonyl compounds?
- A) HCN
- B) BrMgCH3
- C) NaHSO3
- D) H2O
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 168
- Question: Secondary alcohol is the product of reduction of which carbonyl compound?
- A) a.
- B) b.
- C) c.
- D) d.
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 169
- Question: Which of the following is the strongest acid?
- A) Propanic acid
- B) Flouroethanoic acid
- C) Trichloroethanoic acid
- D) Nitroethanoic acid
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 170
- Question: Hydrolysis of acyl chloride results in the formation of:
- A) Acid anhydride
- B) Carboxylic acid (correct)
- C) Amides
- D) Esters
- Correct Answer: B
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 171
- Question: The exact reactivity order for carboxylic acid derivatives is:
- A) Anhydride >acylchloride> ester
- B) Ester > anhydride >acylchloride
- C) Amide >acylchloride> ester
- D) Acychloride> anhydride > Ester
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 172
- Question: Based on the physio – chemical properties, proteins may be classified into the following types:
- A) Simple proteins
- B) Compound proteins
- C) Derived proteins
- D) All of the above
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 173
- Question: Based on function, thyroxin can be classified as:
- A) Hormonal protein
- B) Structural protein
- C) Transport protein
- D) Genetic protein
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 174
- Question: L-Asparaginase enzyme has been used for the treatment of:
- A) Jaundice
- B) Blood cancer
- C) Rickets
- D) Heat disease
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 175
- Question: Potassium, Rubidium, Cesium react with oxygen to form which types of oxides?
- A) Peroxide
- B) Superoxide
- C) Suboxide
- D) Normal oxide
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 176
- Question: Magnesium reacts with nitrogen to form:
- A) Mg2N2
- B) Mg3N2
- C) MgN2
- D) MgN
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 177
- Question: Densities of alkali metals are low due to:
- A) Weak intermolecular forces
- B) Large atomic volume
- C) Smaller size
- D) .ns1 configuration
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 178
- Question: In 3rd series of transition elements, paramagnetic behavior is maximum for Mn+2 and:
- A) Cr3+
- B) Ti3+
- C) V3+
- D) Zn+2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 179
- Question: Electronic configuration of chromium (proton number 24) is:
- A) [Ar] 3d4 4S2
- B) [Ar} 3d5 4S2
- C) [Ar] 3d5 4S1
- D) [Ar] 3d6 4S2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 180
- Question: The transition element which does not show variable valencyos:
- A) Cu
- B) Sc
- C) Zn
- D) Cr
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 181
- Question: The type of isomerism existing in a compound of molecular formula C2H60 is:
- A) Functional group
- B) Position
- C) Chain
- D) Metamerism
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 182
- Question: Which of the following compounds show geometric isomerism?
- A) a.
- B) b.
- C) c.
- D) d.
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 183
- Question: Generic formula of cycloalkane is?
- A) CnH2n+2
- B) CnH2n
- C) CnH2n+1
- D) CnH2n-2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 184
- Question: Electrophile in sulphonation of benzene is:
- A) HSO-4
- B) H2SO4
- C) SO3
- D) HSO3-
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 185
- Question: The following has IUPAC name of:
- A) 2,3 – tetramethyl butane
- B) 2,2,3,3 – tetramethyl pentane
- C) 3,3,4,4 – tetramethyl butane
- D) 3,4 – bis (dimethyl butane)
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 186
- Question: Acetophenoe can be formed by which of the following reaction of benzene?
- A) Alkylation
- B) Acylation
- C) Halogenation
- D) Nitration
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 187
- Question: In alkanes, each carbon has hybridization:
- A) Sp3
- B) Sp
- C) SP2
- D) Dsp
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 188
- Question: When CH3 is attached with the benzene ring, it makes the ring:
- A) Good Electrophile
- B) Good nucleophile
- C) Resonance hybrid
- D) Extraordinary stable
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 189
- Question: The equation N2g + 3H2g = 2NH3, represents:
- A) Contact process
- B) Haber’s process
- C) Solvay process
- D) Avagadro’s law
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 190
- Question: The unit of the rate constant is the same as that of the rate of reaction in:
- A) Zero order reaction
- B) First order reaction
- C) Second order reaction
- D) Third order reaction
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 191
- Question: The study of rates of chemical reactions and the factors that affect the rates of chemical reactions is known as:
- A) Thermodynamics
- B) Stoichiometry
- C) Electrochemistry
- D) Chemical kinetics
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 192
- Question: For the reaction A(g) products, when the concentration of A(g) doubles, the rate of reaction increases four fold, which means it is:
- A) Negative order reaction
- B) First order reaction
- C) Zero order reaction
- D) Second order reaction
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 193
- Question: For which of the following order of the reaction, rate of reaction in inversely proportional to the concentration reaction?
- A) 1st order reaction
- B) 2nd order reaction
- C) Negative order of reaction
- D) Zero order of reaction
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 194
- Question: The thermal energy at constant pressure is called:
- A) Enthalpy
- B) Internal energy
- C) Heat capacity
- D) Work done
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 195
- Question: Born-Haber cycle is used to determine the lattice energies of:
- A) Molecular solids
- B) Metallic solids
- C) Ionic solids
- D) Covalent solids
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 196
- Question: One calorie is equal to:
- A) 4.18 KJ
- B) 4.18
- C) 0.418 KJ mol
- D) 0.418 KJ
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 197
- Question: The oxidation state of ‘S’ in the (S2O3)-2is:
- A) +4
- B) +6
- C) -2
- D) +2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 198
- Question: The common oxidation number of halogens is:
- A) -1
- B) b. +1
- C) -2
- D) 0
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 199
- Question: During oxidation process, oxidation number of an element:
- A) Decreases
- B) Increases
- C) Remains constant
- D) Both A&B
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 200
- Question: Which of the following has the height value of electronegativity?
- A) 1
- B) Br
- C) Cl
- D) F
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 201
- Question: Which of the following hybrid orbitals has maximum ‘S’ –character?>
- A) Sp3 – hybrid orbital
- B) Sp2 – hybrid orbital
- C) Sp – hybrid orbital
- D) Dsp2 – hybrid orbital
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 202
- Question: The first ionization energy is maximum for:
- A) Na
- B) Mg
- C) Al
- D) K
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 203
- Question: The efficiency of chemical reaction cay be expressed as:
- A) Theoretical yield
- B) Actual yield
- C) %yield
- D) Maximum yield
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 204
- Question: In a vessel, 10g N2, 10g H and 10g O2 are present. Which one will have least number of atoms?
- A) H2
- B) N2
- C) O2
- D) Both H2 & N2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 205
- Question: The empirical formula of Glucose C6H12O6 is:
- A) C6H12O16
- B) CHO
- C) CH2O
- D) CH2O2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 206
- Question: The relationship between quantum number n and I is:
- A) N = 1-1
- B) I = n-2
- C) I = n-1
- D) N = 1-2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 207
- Question: Quantum number values for ‘2p’ orbitals are:
- A) N=2, I=1
- B) N=1, I=2
- C) N=1, I=0
- D) N=2, I=0
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 208
- Question: Which pair has 1 electron in it’s ‘s’ orbital?
- A) Li, Fe
- B) Na & Cr
- C) K &Mn
- D) H & He
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 209
- Question: Which of the following has the lowest e/m ratio?
- A) Li+2
- B) H+1
- C) He
- D) Be
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 210
- Question: According to the general gas equation density of an ideal gas depends upon:
- A) Pressure
- B) Temperature
- C) Molar mass of the gas
- D) All of the above
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 211
- Question: The actual volume of gas molecules is considered negligible at following pressures:
- A) 2 atm
- B) 4 atm
- C) 6 atm
- D) 8 atm
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 212
- Question: CO2 and SO2 both are tri-atomic molecules but heat of vaporization of SO2 is greater than that of CO2 due to:
- A) High electronegativity of S
- B) Greater size of SO2
- C) SO2 is polar and CO2 is non-polar
- D) SO2 is more acidic than CO2
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 213
- Question: Which of the following has the lowest vapour pressure at 20oC?
- A) Diethyl ether
- B) Chloroform
- C) Carbon tetrachloride
- D) Water
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 214
- Question: Which of the following is not a molecular solid?
- A) Bromine
- B) Sulphur
- C) Phosphorus
- D) Carbon dioxide
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 215
- Question: The lattice energy is also called as:
- A) Enegy of affinity
- B) Bond energy
- C) Crystal energy
- D) Potential energy
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 216
- Question: For a gaseous phase reaction, when number of moles of reactants and products are equal:
- A) The values of Kp and Kc are different
- B) The values of Kp is greater than Kc
- C) The values of Kc is greater than Kp
- D) The values of Kp and KC are the same
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 217
- Question: Purification of table salt (NaCl) by passing HCI gas through its saturated aqueous solution is an example of:
- A) Lawa of mass action
- B) Hess’s law
- C) Common ion effect
- D) Henry’s law English
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 218
- Question: Choose the correct option:
- A) Knowledge and wisdomno time for connection
- B) Has
- C) Have
- D) Had
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 219
- Question: Identify the erros and choose the correct option:
- A) I hope this letters finds in the best of your spirits
- B) I hope this letter will find you in good of high spirits
- C) I hope this letter finds you in best of your spirit
- D) I hope letter finds you in the best of spirits
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 220
- Question: Identify the errors and choose the correct option:
- A) Gulliver travel was written by swift
- B) Gulliver travels was written to swift
- C) Gulliver’s travels was written by swift
- D) Gulliver’s travel was written by swift
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 221
- Question: Choose the correctly punctuated sentence:
- A) What a fall was there, my countrymen! Long live the king!
- B) What a fall was there! My countrymen. Long live the King!
- C) What a fall was there, my countrymen, Long live the king.
- D) What a fall was there, my countrymen, Long live the king.
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 222
- Question: Which of the following muscles are considered as ‘Voluntary Muscles’?
- A) Smooth muscles
- B) Crdiac muscles
- C) Skeletal muscles
- D) Glandular muscles
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 223
- Question: Which one of the following ‘myoenic’ types of muscle?
- A) Glandular muscles
- B) Cardiac muscles
- C) Skeletal muscles
- D) Smooth muscles
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 224
- Question: What do we call the cell surface membrane of a muscle fiber?
- A) Sarcolemma
- B) Plasma membrane
- C) Sarcoplasm
- D) Myofibrils
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 225
- Question: Which of the following neurotransmitters function, both as neurotransmitter and hormones, decreasing our perception of pain?
- A) Epinephrine
- B) Serotonin
- C) Dopamine
- D) Endorphins
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 226
- Question: Which body function is controlled through positive feedback mechanism?
- A) Labor contractions
- B) Body temperature
- C) Insuliln production
- D) Thyroxin release
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 227
- Question: Which of the following is common to all neurons?
- A) A cell which contains a nucleus
- B) A thick myelin heath
- C) Presence of node of Ranvier
- D) Presence of Schwann cells
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 228
- Question: Neurons are cells adopted for the rapid transmission of electrical impulses. To do this, they have long thin process called:
- A) Axons
- B) Dendrited
- C) Myelin sheath
- D) Schwann cells
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 229
- Question: Which of the following disease is sexually transmitted?
- A) Tuberculosis
- B) AIDs
- C) Dengue fever
- D) Cholera
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 230
- Question: Which of the following hormones of the pituitary gland regulate the menstrual cycle?
- A) Follicle stimulating bormone and estrogen
- B) Luteinizing hormone and estrogen
- C) Follicle stimumating hormone and luteinizing hormone
- D) Estrogen and progesterone
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 231
- Question: Which traits ar most likely to affect men than women?
- A) X linked recessive
- B) X linked dominant
- C) Autosomal dominant
- D) Autosomal recessive
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 232
- Question: When both the allele of a genes are same, the organism is said to be:
- A) Heterozygous
- B) Genotype
- C) Homozygous
- D) Phenotype
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 233
- Question: In which type of cell. Cell wall is not present?
- A) Plant cells
- B) Fungal cells
- C) Bacterial cells
- D) Liver cells
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 234
- Question: According to the fluid mosaic model of cell membrane, which zone is embedded inside?
- A) Hydrophobic
- B) Globular
- C) Hydrophilic
- D) Filamentous
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 235
- Question: Select the one which is not a function of smooth endoplasmic retidulum (SER)?
- A) Metabolism of lipids
- B) Transmission of impulses
- C) Transport of materails
- D) Processing og glycoproteins
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 236
- Question: Which of the following organelles are involves in the synthesis of plant cell wall?
- A) Endoplasmic reticulum
- B) Golgi complex
- C) Lysosomes
- D) Peroxisomes
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 237
- Question: Which property of water helps to maintain the integrity of cell membrances?
- A) Specific heat capacity
- B) Hydrogen bonding
- C) Cohesion and adhesion
- D) Hydrophobic exclusion
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 238
- Question: Which of the following is an unsaturated fatty acid?
- A) Oleic acid
- B) Palmitic acid
- C) Butyric acid
- D) Acetic acid
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 239
- Question: What is the function of ribulose?
- A) Intermediate in photosynthesis
- B) Respirator fuel
- C) Intermediate in cellular respiration
- D) Component of DNA and RNA
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 240
- Question: Which of the following process does not need pyruvic acid as a substrate?
- A) Alcohol dermentation
- B) Calvin cycle
- C) Aerobic respiration
- D) Lactic acid dermentation
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 241
- Question: Which of the following is a copper containing protein in electron transport chain?
- A) Plastoquinone
- B) Cytochrome-C
- C) Plastocyanin
- D) Ferrodoxin
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 242
- Question: Which one of the following is found both messgenger RNA an DNA of a mammalian cell?
- A) Double helical structure
- B) Ribose sugar
- C) Thymine
- D) Sugar- phosphate backbone
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 243
- Question: Transcription is the process in which an RNA copy of the DNA sequence and coding the gene is produced with help of an enzyme called:
- A) DNA polymerases
- B) RNA polymerase
- C) DNA transcriptase
- D) RNA trnscriptase
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 244
- Question: At what phase the DNA content of a cell is doubled?
- A) Prophase
- B) Interphase
- C) Anaphase
- D) Telophase
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 245
- Question: Which statement correctly describes transcription of DNA?
- A) It produces aminon acids
- B) It produces messenger RNA
- C) It results in increased DNA synthesis
- D) It is a semi conservative process
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 246
- Question: What is the effect of DNA ligase?
- A) DNA is broken up at specific sits
- B) DNA fragments are joined together
- C) DNA replication occurs
- D) DNA transcription occurs
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 247
- Question: Which of the following is the components/ tools of recombinant DNA technology?
- A) Gene of interest
- B) Molecular scissors
- C) Molecular glue and expression system
- D) All of the above
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 248
- Question: Which of the following is not necessary for PCR to occur?
- A) dATP
- B) primers
- C) DNA fragments
- D) Ribonucleotides
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 249
- Question: Which of the following is not related enveloped virus?
- A) They survive for a short time
- B) Their envelop is sensitive to sunlight
- C) They are tolerant to antidotes
- D) Envelop is derived from host
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 250
- Question: Numerous opportunistic diseases might attack a persone suffering from which of the following disease?
- A) Measles
- B) Influenza
- C) Hepatitits A
- D) AIDS
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 251
- Question: Which of the following is not TRUE about Human Immunodeficiency virus ( HIV)?
- A) It is retrovirus
- B) It is surrounded by an envelop
- C) It does not cause AIDS
- D) It causes the deficiency of the human immune system
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 252
- Question: Which of the following is TRUE about the structure if typical bacterium?
- A) It has a cell wall
- B) It has cytoplasm
- C) It has genetic material
- D) All of the above
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 253
- Question: Which of the following is true about amoeba?
- A) They havae flagella
- B) They are multicellular
- C) They do not cause any disease in humans
- D) They move by forming specialized cytoplasmic projections called pseudopodia
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx
Question 254
- Question: Which of the following blood vessels have the highest pressure of blood?
- A) Aorta
- B) Pulmonary arteries
- C) Pulmonary veins
- D) Vena cava
- Correct Answer: Not available in source
- Source: PMC MDCAT PAPER 2020 (1).docx