SZABMU MDCAT Past Papers 2023

SZABMU MDCAT 2023

1 / 197

The ANTONYM of ” Endeavour” is:

Federal MDCAT 2023
English
Elimination Tool:

A) Inaction

B) Inexact

C) Effort

D) Eat

2 / 197

Fill in the blank with appropriate article as required.

It is______honor for me to address you.

Federal MDCAT 2023
English
Elimination Tool:

A) A

B) An

C) The

D) No article required

3 / 197

Pick the correct option:

Federal MDCAT 2023
English
Elimination Tool:

A) The population of China is much more than Pakistan.

B) The population of China are much more than Pakistan.

C) The population of China is more than Pakistan.

D) The population of China is much more than Pakistan's

4 / 197

Non protein but inorganic detachable co-factor is called:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Activator

B) Prosthetic group

C) Co-enzyme

D) Apoenzyme

5 / 197

Lock and Key Model for enzyme action proposed by Emil Fischer suggests that:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Enzymes are unbiased for the substrate

B) Enzymes can modify their active sites

C) An enzyme can catalyze variety of reactions

D) Enzymes are restricted to one reaction type

6 / 197

What does the word “ANCESTOR” mean?

Federal MDCAT 2023
English
Elimination Tool:

A) Collection of stars

B) Branch of astrology

C) Forefathers

D) Type of receptors

7 / 197

The word ‘RELUCTANT’ means:

Federal MDCAT 2023
English
Elimination Tool:

A) Hesitant

B) Current

C) Remarkable

D) Rude

8 / 197

What is the ANTONYM of ‘zealous’?

Federal MDCAT 2023
English
Elimination Tool:

A) Unenthusiastic

B) Religious

C) Contagious

D) Fanatic

9 / 197

The town______its appearance completely since 1980.

Federal MDCAT 2023
English
Elimination Tool:

A) Is changing

B) Changes

C) Has changed

D) Changes

10 / 197

The SYNONYM of “Apparel” is:

Federal MDCAT 2023
English
Elimination Tool:

A) Dubious

B) Disguise

C) Dress

D) Apron

11 / 197

Fill in the blank with appropriate option:

None of us________beyond a mile.

Federal MDCAT 2023
English
Elimination Tool:

A) Gone

B) Have gone

C) Has gone

D) Were go

12 / 197

The word ‘BASHFUL’ means:

Federal MDCAT 2023
English
Elimination Tool:

A) Brimful

B) Skillful

C) Embarrassed

D) Wonderful

13 / 197

Fill in the blank with appropriate preposition.

He was sitting next _____her.

Federal MDCAT 2023
English
Elimination Tool:

A) With

B) Ву

C) To

D) At

14 / 197

Fill in the blank with appropriate option:

I ___________ before 10 p.m.

Federal MDCAT 2023
English
Elimination Tool:

A) Shall have sleeped

B) Shall have slept

C) Will have sleep

D) Shall have been slept

15 / 197

Pick the correct option:

Federal MDCAT 2023
English
Elimination Tool:

A) The machine printed the stuff which was new fast.

B) The machine which was new printed the stuff fast.

C) The machine which was new printed fast the stuff.

D) The machine which was new printed the stuff fastly.

16 / 197

By next March, we______here for four years.

Federal MDCAT 2023
English
Elimination Tool:

A) Would had been

B) Would have lived

C) Shall have been living

D) Shall live

17 / 197

Pick the correct option:

Federal MDCAT 2023
English
Elimination Tool:

A) Dr. Umer has reached, Dr. Jamal has not.

B) Dr. Umer has reached; Dr. Jamal has not.

C) Dr. Umer has reached/Dr. Jamal has not.

D) Dr. Umer has reached: Dr. Jamal has not.

18 / 197

Fill in the blank with appropriate option:

The students, accompanied by the teacher_________entering the museum..

Federal MDCAT 2023
English
Elimination Tool:

A) Is

B) Has

C) Are

D) Have

19 / 197

Choose the correct sentence:

Federal MDCAT 2023
English
Elimination Tool:

A) I wish I have been a millionaire.

B) I wish I am being a millionaire.

C) I wish I were a millionaire.

D) I wish I was a millionaire.

20 / 197

A motor boat is moving with velocity 4 ms. The net force acting on it is 4000 N. What will be the power of the engine of boat?

Federal MDCAT 2023
Physics
Elimination Tool:

A) 1000 W

B) 160 W

C) 16 KW D.

D) 16000 W

21 / 197

Time period of a vibrating body is independent of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Frequency

B) Amplitude

C) Wavelength

D) Value of 'g'

22 / 197

A heating coil has a resistance of 10 ohm. It is designed to operate on 20V. What electric energy is supplied to heater in 10s?

Federal MDCAT 2023
Physics
Elimination Tool:

A) 100J

B) 200J

C) 300J

D) 400J

23 / 197

The number of revolutions per second of a body is known as:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Linear frequency

B) Angular frequency

C) Time period

D) Amplitude.

24 / 197

In angular motion, in one rotation there are:

Federal MDCAT 2023
Physics
Elimination Tool:

A) π radians

B) 2πradians

C) π/2 radians

D) π/ 4 radians

25 / 197

Due to polarization process of dielectric, the electric intensity:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Increases

B) Decreases

C) Remains same

D) Becomes zero

26 / 197

The induced current will flow in such a direction so as to oppose the cause that produces it. It is the statement of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Ampere's Law

B) Faraday's Law

C) Lenz's Law

D) Joule's Law

27 / 197

Which of the pair of two projectiles projected at different angles have same ranges?

Federal MDCAT 2023
Physics
Elimination Tool:

A) (30°, 709)

B) (40°, 50°)

C) (35°, 40°)

D) (45°, 40°)

28 / 197

The rate of radioactive decay is directly proportional to the stability of the:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Medium

B) Atmosphere

C) Isotope

D) Half life

29 / 197

The relation between Cp and Cv is given as:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Cp – Cv= R

B) Cp+ Cv= R

C) Cy -Cp= R

D) R- Cv= Cp

30 / 197

When length of copper wire is doubled then resistivity becomes:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Double

B) Half

C) Remains same

D) Four times

31 / 197

Momentum is product of mass and velocity, then momentum and velocity are:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Parallel

B) Perpendicular

C) Antiparallel

D) Independent.

32 / 197

Which is the correct ‘ascending order’ in which the following photons are arranged according to their energy?

Federal MDCAT 2023
Physics
Elimination Tool:

A) Microwaves, Ultraviolet rays, Gamma rays

B) Gamma rays, Ultraviolet rays, Microwaves

C) Gamma rays, Microwaves, Ultraviolet rays

D) Ultraviolet rays, Gamma rays, Microwaves

33 / 197

If a body of mass ‘m’ is accelerated on a smooth horizontal surface ‘S’ by a force ‘F’. The work done F x S is converted into:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Heat energy

B) Kinetic energy

C) Potential energy

D) Electromagnetic energy

34 / 197

The transformer depends on the use of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Direct current

B) Alternating current

C) Direct and alternating current

D) Direct and alternating voltage

35 / 197

Which of the following factors does not affect the speed of sound in air?

Federal MDCAT 2023
Physics
Elimination Tool:

A) Density of gas

B) Moisture in air

C) Temperature

D) Pressure of gas

36 / 197

The conversion of A.C into D.C is called rectification and circuit is called rectifier. Which component of electronics acts as a rectifier?

Federal MDCAT 2023
Physics
Elimination Tool:

A) Diode

B) Transistor

C) Transformer

D) Inductor

37 / 197

Magnetic flux is the dot product of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Magnetic field and scalar area

B) Magnetic field and vector area

C) Magnetic field per unit scalar area

D) Magnetic field per unit vector area

38 / 197

The car is speeding up along negative y axis then acceleration will be along:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Positive x Axis

B) Negative x Axis

C) Positive y Axis

D) Negative x Axis

39 / 197

The unit of magnetic flux is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Weber (Wb)

B) Wom

C) Wbm-1

D) Wbm-2

40 / 197

The domestic electricity supply in Pakistan has a frequency of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 150 Hz

B) 100 Hz

C) 50 Hz

D) 25 Hz

41 / 197

A one micro fared capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 16

B) 4×10-3 J

C) 2×10-3 J

D) 8 J

42 / 197

The slope of velocity-time graph gives us:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Speed

B) Velocity

C) Acceleration

D) Distance

43 / 197

According to work energy principle in linear motion, the work done on the body is equal to:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Change in P. E

B) Sum of P. E + K. E

C) Change in K. E

D) Zero

44 / 197

The magnitude of the current in metals is proportional to the applied voltage as long as temperature of conductor is kept constant. It is statement of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Joule's Law

B) Gauss Law

C) Ohm's Law

D) Ampere's Law

45 / 197

The dimension of magnetic field is same as that of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Magnetic flux density

B) Magnetic flux

C) Magnetic force

D) Work done

46 / 197

Which photons carries the most energy?

Federal MDCAT 2023
Physics
Elimination Tool:

A) Blue

B) Violet

C) Red

D) Green

47 / 197

The unit of resistivity is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) ohm

B) ohm-meter

C) ohm / meter

D) meter / ohm

48 / 197

Transformer works on the principle of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Half wave rectification

B) Self induction.

C) Mutual induction

D) Full wave rectification

49 / 197

Amplitude in the following figure is given as:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 1 m

B) 2m

C) 1/2 m

D) 1/4 m

50 / 197

The Speed of sound in air is 332 ms* at 0°C. What will be its value at 10°C?

Federal MDCAT 2023
Physics
Elimination Tool:

A) 332 ms-1

B) 338.1 ms-1

C) 332.61 ms-1

D) 33.4 ms-1

51 / 197

The phenomenon in which a changing current in one coil induces an emf in another coil is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Self-induction

B) Mutual induction

C) Eddy current

D) Choke

52 / 197

One megawatt hour is equal to:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 3.6 × 105J

B) 3.6 x 109 J

C) 3.6 MJ

D) 3.6 nJ

53 / 197

At what angle of projection of a projectile the range becomes half of its maximum value?

Federal MDCAT 2023
Physics
Elimination Tool:

A) 15°

B) 200°

C) 300°

D) 400°

54 / 197

The unit of radio activity is curie which is equal to:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 3.7 x 1010 disintegration / s

B) 3.7 disintegration / s

C) 7.3 disintegration / S

D) None

55 / 197

The resistance of semi-conductor with rise in temperature:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Increases

B) Decreases

C) Remain same

D) Infinite

56 / 197

The relation between linear and angular acceleration is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) a = ra

B) a=r/a

C) a = r²a

D) A= ra²

57 / 197

Which of following series lies in infra-red region?

Federal MDCAT 2023
Physics
Elimination Tool:

A) Lyman and Balmer

B) Balmer and Paschen

C) Paschen and Brakett

D) Brackett and Pfund

58 / 197

The time rate of change of linear momentum of a body is equal to:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Force

B) Momentum

C) Power

D) Acceleration

59 / 197

If a stone of mass 1 Kg is whirled in a horizontal circle (radius = 1 m ) with vei m/s, then the period is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) πradians

B) 2π radians

C) π/2 radians

D) π/4 radians

60 / 197

Which X-ray photon will have longest wavelength?

Federal MDCAT 2023
Physics
Elimination Tool:

A) Kα

B) Kβ

C) Kɣ

D) Mα

61 / 197

A particle carrying a charge 2 e falls through a P.D of 3 V. The energy acquired by it will be:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 6 ev

B) Tev

C) 1.5 ev

D) 5 ev

62 / 197

The thermodynamics process during which the pressure is kept constant is called:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Isochoric process

B) Adiabatic process

C) Isobaric process

D) Isothermal process

63 / 197

The equation of 1st Law of thermodynamics is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Q=AU+W

B) ΔU= Q-W

C) W= Q+ AU

D) Q= W

64 / 197

Red light is used in photographic dark room because of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) High frequency, short wavelength

B) Low frequency, short wavelength

C) Low frequency, long wavelength

D) High frequency, long wavelength.

65 / 197

The wavelength associated with an electron is of the order of:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Visible light

B) X-rays

C) Radio waves

D) Infrared

66 / 197

At what angle the curved path should be banked if a car is moving with a speed of 12 m/s at a radius 36m?

Federal MDCAT 2023
Physics
Elimination Tool:

A) 100

B) 15°

C) 20°

D) 22°

67 / 197

Skin burn, loss of hair, drop in white blood cell and induction of cancer are example of __________ of radiation:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Zener effect

B) Genetic effect

C) Somatic effect

D) Biological effect

68 / 197

A wave generator produces 500 pulses in 50s. Its frequency will be:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 10 s1

B) 0.1 s1

C) 500 s1

D) 50 g

69 / 197

I. There is sharp decline in the production of oil seeds this year.

Il. The Government has decided to increase the import quantum of edible oil.

Federal MDCAT 2023
Logical Reasoning
Elimination Tool:

A) Statement I is the cause and statement II is its effect

B) Statement II is the cause and statement I is its effect

C) Both the statements I and II are independent causes

D) Both the statements I and II are effects of independent causes

70 / 197

Observe the pattern and select the next term in sequence:

A) Option A

B) Option B

C) Option C

D) Option D

71 / 197

“Read the following statement, assuming everything in it to be true. Then decide which of the given suggested courses of action logically follow and are worth pursuing.

Statement: Employees are arriving to work more than 5 minutes late every day.

Courses of Action:

I. Impose a strict penalty of half a day’s pay every time someone is late.

II. Apply a 15 minutes’ buffer. Anyone who is late more than 2 times a month after this buffer period gets docked one day’s pay.”

Federal MDCAT 2023
Logical Reasoning
Elimination Tool:

A) I

B) II

C) Both I and II

D) Neither I nor Il

72 / 197

Read the passage and the following statements below. Then choose the correct option, basing your answer only on the information provided. Pakistan is rich in wildlife and culture. It is home to many sorts of wildlife, from the Ibex to the Indus River Dolphin; and people from most countries in the world have made their home

Here.

Statements:

I. Pakistan is a rich country.

II. People from all nationalities of the world live in Pakistan.

III. Pakistan is home to at least one dolphin species.

Federal MDCAT 2023
Logical Reasoning
Elimination Tool:

A) Only III is correct

B) Only I and II are correct

C) Only I and III are correct

D) Only II and III are correct

73 / 197

Read the following and choose the correct answer:

A man enters a room and finds a mirror. He looks at his shirt in the mirror and finds the following: ≤ WOIHA ≥. Another man enters the room and observes this man’s shirt directly. Which of the following does he observe?

Federal MDCAT 2023
Logical Reasoning
Elimination Tool:

A) ≥ WOIHA ≤

B) ≤ AHIOW ≥

C) ≤ WOIHA ≥

D) ≥ AHIOW ≤

74 / 197

A ball is a sphere. All spheres are round. Some round things are mesmerizing.

Which of the following conclusions is NECESSARILY TRUE?

Conclusions:

I. All balls are mesmerizing.

II. All round things are spheres.

III. Some mesmerizing things are spheres.

I. There is sharp decline in the production of oil seeds this year.

Il. The Government has decided to increase the import quantum of edible oil.

Federal MDCAT 2023
Logical Reasoning
Elimination Tool:

A) III

B) I and II

C) Il and III

D) I and III

75 / 197

When carboxylic acids are heated with alcohol in the presence of concen H2SOn, the conversion of function group takos placo from:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Carboxyl to carbonyl group

B) Carboxyl group to an ester group

C) Carbonyl to carboxyl group

D) Carboxyl to hydroxyl group

76 / 197

The order of reactivity of alcohol when O-H bond breaks is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Primary alcohol > secondary alcohol > tertiary alcohol

B) Secondary alcohol > tertiary alcohol > primary alcohol

C) Tertiary alcohol > secondary alcohol > Primary alcohol

D) Primary alcohol > tertiary alcohol > secondary alcohol

77 / 197

The rate of reaction:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Increases a s the reaction proceeds

B) Decreases as the reaction proceeds

C) Remains the same as the reaction proceeds

D) Remains the same initially and then increases

78 / 197

The function of NaOH in Adol condensation & Cannizaro’s reaction respectively is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Nucleophile and electrophile

B) Base and nucleophile

C) Electrophile and nucleophile

D) Nucleophile and base

79 / 197

The binding energy of transitional elements weakens progressively upto group:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) IIIB

B) IV B

C) IIB

D) VB

80 / 197

Number of H2O molecules in 10 g of ice are:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 3.34 x 1023

B) 0.331 × 1023

C) 33.1 x 1023

D) 10

81 / 197

Metamers differ from each other due to:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Functional group

B) Position of functional group

C) Shifting of proton

D) Distribution of carbon atoms around the functional group

82 / 197

The melting point of sulphur is higher than that of phosphorous because:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Sulphur has strong vander waal forces

B) Sulphur has weak vander waal forces

C) Phosphorous has strong vander waals forces

D) Phosphorous has weak vander waals forces

83 / 197

Which of the following is not true for increase in synthesis of ammonia by Haber’s process?

N2 +3H2 – 2NH3 ( Д =-92.5)

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Low temperature

B) High pressure

C) Continuous removal of NH3

D) Continuous addition of NH3

84 / 197

If both double and triple bonds are present then ending given to the root is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) enyne

B) ene

C) упе

D) ane

85 / 197

50% inversion of configuration and 50% retention of configuration observed is characteristics of mechanism:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) E2

B) E1

C) SN1

D) SN2

86 / 197

The type of isomerism existing in a compound of molecular formula C2H6O is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Functional group

B) Position

C) Chain

D) Metamerism

87 / 197

The relative permittivity of air (1 atm) is:

Federal MDCAT 2023
Physics
Elimination Tool:

A) 1

B) 1.0006

C) 22-25

D) 2.284

88 / 197

Which of the following information we obtain from the Lattice energy?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) It helps while explaining the structure of the ionic compound

B) It explains bonding in the covalent compound

C) It explains properties of the metallic compound

D) It explains the structure of the molecular compound

89 / 197

Equivalent capacitance is less than least value of capacitance in a combination in:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Series

B) Parallel

C) Closed circuit

D) Open circuit

90 / 197

The relative acidic strength of phenol, water, alcohol &carboxylic acid is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) -СООН > H2O > C6H5OH > -OH

B) -СООН >СеН5Он > H2O > -OH

C) -СООН > -О Н > С6H5OH > H2O

D) -СООН > Н2O> -ОН > C6H5OH

91 / 197

In transition elements number of unpaired electrons increase upto group number:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) III B & IV B

B) 1 B and 2 B

C) IV B and III B

D) VB and VI B

92 / 197

The hydrate percentage is maximum for:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Propanal

B) Acetone

C) Formaldehyde

D) Acetaldehyde

93 / 197

The force of attraction among H2 molecules in solid H2 are:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Hydrogen bonds

B) Covalent bonds

C) Co-ordinate covalent bonds

D) Van Der Waal's Force

94 / 197

Which of the following has small size?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Mg

B) S

C) P

D) Na

95 / 197

The dumbbell like orbitals can move in how many directions?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 7

B) 5

C) 1

D) 3

96 / 197

Isomerism due to shifting of proton from one atom to another in a same molecule is known as:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Metamerism

B) Tautomerism

C) Position

D) Functional

97 / 197

What is not true about the Le -Chatelier’s principle?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Allow to predict the change in concentration on system at equilibrium

B) Allow to predict the change in reaction rate on system at equilibrium

C) Allow to predict the change in pressure on system at equilibrium

D) Allow to predict the change in temperature on system at equilibrium

98 / 197

In the reaction,

Cr2O7 + 14 H+-> 2 Cr3++7H2O

How many electrons are gained or lost by chromium atom?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) +12 e

B) +3 e-

C) +6 e

D) -6 e-

99 / 197

Which of the following solids have strong metallic bond?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Potassium

B) Phosphorus

C) Calcium

D) Sulphur

100 / 197

1 mol of any substance contains particles:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 6.02 x 1023

B) 6.02 × 1024

C) 6.02 x 1022

D) 3.01 x 1023

101 / 197

The correct order of reactivity of hydrocarbons is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Alkanes > Alkynes > Alkenes

B) Alkenes > Alkanes > Alkynes

C) Alkynes > Alkenes > Alkanes

D) Alkenes > Alkynes > Alkanes

102 / 197

The oxidation number of oxygen in Na2O2 is

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) -1

B) +2

C) -2

D) +1

103 / 197

Enzyme is a natural substance that:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Increases the rate of chemical reaction

B) Decreases the rate of chemical reaction

C) Has no effect on the rate of chemical reaction

D) Stops the chemical reaction

104 / 197

Alkyl Halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow the mechanism:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) SN1

B) SN2

C) E1

D) E2

105 / 197

When dielectric is placed between the plates of a capacitor then capacitance will:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Decrease

B) Increase

C) Becomes half

D) Remains same

106 / 197

Intermolecular forces between molecules of ideal g a s are:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Very strong

B) Very weak

C) Zero

D) Moderately strong

107 / 197

The magnitude of the force between two point charges is directly proportional to:

Federal MDCAT 2023
Physics
Elimination Tool:

A) Distance between point charges

B) Square of distance between point charges

C) Cube of distance between point charges

D) Product of magnitude of charges

108 / 197

Reactivity of carboxyl group is due to presence of:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Hydroxyl group

B) Terminal hydrogen

C) Carbonyl group

D) Alkyl group

109 / 197

The relationship between quantum number n and I is :

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) n=L1

B) I=n-2

C) I= n-1

D) n = 1-2

110 / 197

Which of the following has the lowest vapour pressure at 20 °C?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Diethyl ether

B) Chloroform

C) Carbon tetrachloride

D) Water

111 / 197

Which of the following molecule has sp2 hybridization?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) NH3

B) BF3

C) H2O

D) BeCl2

112 / 197

The two functional groups present in all amino acids are:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Carboxvlic acid and amino

B) Amino and aldehyde

C) Ether and carboxylic acid

D) Aldehyde and carboxylic acid

113 / 197

If value of azimuthal quantum number is 1 then value of m will range from:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) -1 to 1

B) -1 to 2

C) -1 to 3

D) -1 to 4

114 / 197

The rate constant “R” in the rate equation is the rate of reaction when n concentration of each of the reactant is:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 1M

B) 2M

C) 3M

D) 4M

115 / 197

10 pascal is equal to:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 0.000098 atm

B) 1.98 atm

C) 10.019 koa

D) 4.014 psi

116 / 197

Which compound is least reactive?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Ethane

B) Ethene

C) Benzene

D) Ethyne

117 / 197

The real gases show deviation from ideal behaviour at:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Low temperature and low pressure

B) High temperature and high pressure

C) Low temperature and high pressure

D) High temperature and low pressure

118 / 197

Which element has smaller shielding effect among the following?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Mg

B) Ca

C) Rb

D) Sr

119 / 197

_____ is prepared in the laboratory from sodium benzoate in the presence of:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Dil:NaOH

B) Alc: KOH

C) NaOH +Cao

D) Na/Ether

120 / 197

The following functional group is the result of oxidation of alcohol:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Ketone / aldehyde

B) Aldehyde / alkan

C) Ketone / alkane

D) Aldehyde / acid

121 / 197

Which of the following will not give substitution reaction?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) CH3 – CH3

B) CH2 = CH2

C) CH≡CH

D) C6H6

122 / 197

A charge of 90 C passes through a wire for 30 seconds. Then the current in the wire will be:

Federal MDCAT 2023
Physics
Elimination Tool:

A) З А

B) 0.3 A

C) 3 mA

D) 0.3 mA

123 / 197

Aldehydes do not give which identification test:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 2.4 – DNPH test

B) Tollen's Test

C) Sodium Nitro Prusside Test

D) Fehling's Solution

124 / 197

Which of the following will have positive electron affinity?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Addition of electron to (CI)

B) Addition of electron to (C|*)

C) Addition of electron to (O)

D) Addition of electron to (0-1)

125 / 197

Thionyl chloride reacts with acetic acid resulting in transformation of Carboxylic group to:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Acetamide

B) Acid halide

C) Alcohol

D) Ester

126 / 197

Aldehydes cannot be easily oxidized by:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) K2Cr207

B) H2SOa

C) KMnOa

D) HCI

127 / 197

Which of the following molecules are soft and have weak intermolecular forces?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) H2O

B) I2

C) Sugar

D) Graphite

128 / 197

For a gaseous phase reaction, when number of moles of reactants and products are equal:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) The values of Kp and Kc are different

B) The value of K is greater that Kc

C) The value of Kc is greater than K

D) The values of Kp and Kc are the same

129 / 197

Which of the following orbital wil be filled first than 4p?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) 4s

B) 2p

C) 3d

D) 1S

130 / 197

For exothermic reactions AH°i s written as:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Zero

B) Positive

C) Negative

D) Constant

131 / 197

The efficiency of chemical reaction can be expressed as:

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Theoretical yield

B) Actual yield

C) Percent yield

D) Maximum vield

132 / 197

Which may NOT be a possible action of interferons?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Belongs to cytokines

B) Activate natural killer cells

C) Activate immune cells

D) Secrete interleukin

133 / 197

In which phase of bacterial growth, they divide at exponential rate:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Lag phase

B) Log phase

C) Stationary phase

D) Decline phase

134 / 197

A metal reacts vigorously with cold water melting in to a ball of molten metal moves across the surface of water giving of Hydrogen gas and burns wni yellowish golden flame. What could be the identity of this metal?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Potassium

B) Sodium

C) Lithium

D) Calcium

135 / 197

Follicle Stimulating hormones (FSH) is secreted by:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Ovary

B) Pituitary gland

C) Adrenal gland

D) Testes

136 / 197

Multicellular, heterotrophic nutrition, cell walls are never present in their cells, which kingdom do these organisms belong to?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Kingdom Protoctista

B) Kingdom Fungi

C) Kingdom Plantae

D) Kingdom Animalia

137 / 197

Select a regulatory enzyme:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Urease

B) Hexokinase

C) Maltase

D) Sucrase

138 / 197

Hormone released during child birth and in nursing women is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Estrogen

B) Progesterone

C) Calcitonin

D) Oxytocin

139 / 197

GABA is an example of:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Enzyme

B) Inhibitory neurotransmitter

C) Excitatory neurotransmitter

D) Hormone

140 / 197

When a haemophilic carrier woman marries a haemophilic man, who among her offspring’s may be affected?

Federal MDCAT 2023
Biology
Elimination Tool:

A) All her children

B) All her daughters

C) Half of her daughters and all sons

D) Half of her sons and half of her daughters

141 / 197

Which is NOT a function of testosterone?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Inhibition of LH

B) Sperm production

C) Inhibition of FSH

D) Limit spermatogenesis

142 / 197

Select an anamniote from the following

Federal MDCAT 2023
Biology
Elimination Tool:

A) Snake

B) Parrot

C) Frog

D) Crocodile

143 / 197

Which of the following is absent from membrane of prokaryotes?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Glycolipid

B) Cholesterol

C) Glycoprotein

D) Phospholipid

144 / 197

The sugar which is part of ribonucleic acid is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Ribulose

B) Ribose

C) Deoxyribulose

D) Deoxyribose

145 / 197

What do we call the cell surface membrane of a muscle fibre?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Sarcolemma

B) Plasma membrane

C) Sarcoplasm

D) Myofibrils

146 / 197

The membrane separating the vacuole from cytoplasm is called:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Cristae

B) Cisternae

C) Tonoplast

D) Vacuolar membrane

147 / 197

Which Proteolytic enzyme is NOT secreted in inactive form?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Chymotrypsin

B) Pepsin

C) Trypsin

D) Erypsin

148 / 197

Three hydrophobic fatty acid tails and a glycerol molecule join to form a:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Monoglyceride

B) Diglyceride

C) Triglyceride

D) Phospholipid

149 / 197

When humans purposefully apply selection pressure to populations, the process is known as:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Natural selection

B) Artificial selection

C) Evolution

D) Genetic drif

150 / 197

In human gut, chylomicrons are formed by the combination of:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Proteins and carbohydrates

B) Fats and proteins

C) Fats and carbohydrates

D) Vitamins and fats

151 / 197

___________ is transmitted through infected blood and hypodermic syringes:

Federal MDCAT 2023
Biology
Elimination Tool:

A) HIV

B) Influenza Virus

C) Morbilli Virus (Measles)

D) Vibrio Cholerae (Cholera)

152 / 197

The frequency of a mutant gene in a population would be likely to be increased if:

Federal MDCAT 2023
Biology
Elimination Tool:

A) The gene were selectively advantageous

B) The gene were dominant

C) The gene were sex linked

D) The population increase

153 / 197

The final acceptor of both electrons & protons during light reactions of photosynthesis is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Plastoquinone

B) Cytochrome

C) Ferridoxin

D) Plastocyanin

154 / 197

The particular array of chromosomes that an individual possesses is called its

Federal MDCAT 2023
Biology
Elimination Tool:

A) Genotype

B) Phenotype

C) Karyotype

D) Allele

155 / 197

Outer membrane of mitochondria and chloroplast resembles as both are:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Freely permeable to large molecules

B) Freely permeable to small molecules

C) Impermeable

D) Semipermeable

156 / 197

A change in the structure of a DNA molecule, producing a different allele of a gene, is a:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Chromosome mutation

B) Gene mutation

C) Chromosomal aberrations

D) Recombination

157 / 197

Which of the following is true about Amoebae?

Federal MDCAT 2023
Biology
Elimination Tool:

A) They have flagella

B) They are multicellular

C) They do not cause any disease in humans

D) They move by forming specialized cytoplasmic projections called pseudopodia

158 / 197

During non-conducting state, the neuron membrane is permeable to efflux of:

Federal MDCAT 2023
Biology
Elimination Tool:

A) K+

B) Na+

C) Ca*

D) Cl-

159 / 197

Which of the following example of human inheritance is explained by multiple alleles on an autosomal chromosome?

Federal MDCAT 2023
Biology
Elimination Tool:

A) The ABO blood group system

B) Cystic firbrosis

C) Down's syndrome

D) Haemophilia

160 / 197

Phenotype is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) The genetic complement 1.e the genes in an individual for a particular trait

B) Partner of gene pair

C) The form of appearance of a trait

D) The position of a gene on the chromosome

161 / 197

In mitochondria ATP synthase is located on its:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Outer Membrane

B) Inter membrane space

C) Inner membrane

D) Matrix

162 / 197

End product of Calvin cycle is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) 3 phosphoglycerate

B) 1-3 biphosphoglycerate

C) Glyceraldehyde 3 phosphate

D) Glucose

163 / 197

__________ infection is caused by a viroid:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Hepatitis A

B) Hepatitis D

C) Mad Cow disease

D) Mysterious brain infection

164 / 197

Enzymes work by lowering the __________ of the reactions they catalyse:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Kinetic energy

B) Activation energy

C) Heat energy

D) Potential energy

165 / 197

Mesosomes are the invagination of which bacterial cell structure?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Cell wall

B) Plasma membrane

C) Plasmid

D) Cysts

166 / 197

Function of pilus in bacteria is to:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Increase pathogenicity

B) Degrade host plasma membrane

C) Degrade host enzymes

D) Exchange genetic material

167 / 197

Negative feedback mechanism is the characteristics of which class?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Class Fish

B) Class Amphibian

C) Class Reptilia

D) Class Mammalia

168 / 197

Which body function is controlled through positive feed-back mechanism?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Labor pains

B) Body temperature

C) Insulin production

D) Thyroxin release

169 / 197

Fibrous proteins ‘DO NOT’ take part in:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Blood clotting

B) Formation of nails

C) Muscle contraction

D) Oxygen transport in blood

170 / 197

Second most abundant bio element in human body is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Oxygen

B) Carbon

C) Hydrogen

D) Nitrogen

171 / 197

Choose the correct pathway for the flow of blood:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Arterioles — metarterioles — throughfare channel — capillaries

B) Capillaries — throughfare channel — metarterioles — arterioles

C) Throughfare channel — metarterioles — capillaries — arterioles

D) Metarterioles — arterioles — throughfare channels —- capillaries

172 / 197

Which of the following process involve in decomposition of protein into Amino acids?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Condensation

B) Hydrolysis

C) Glycolysis

D) Fixation

173 / 197

Peripheral parts of cell are often like a:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Sol

B) Gel

C) Colloidal

D) True solution

174 / 197

What is the fate of neurotransmitters after provoking impulse in postsynaptic membrane?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Stay in synaptic cleft indefinitely

B) Recycled in synaptic cleft

C) Degraded by enzyme

D) Taken up by postsynaptic membrane

175 / 197

Which part of plasma membrane controls the fluidity of the membrane:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Glycoprotein

B) Carrier protein

C) Lipid

D) Carbohydrates

176 / 197

Many enzymes are secreted in inactive form to protect:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Mitochondria

B) Cell DNA

C) Cell membrane

D) Vacuole

177 / 197

The end product of glycolysis in anaerobic respiration is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Ethanol and Carbon dioxide

B) Lactate

C) Pyruvate

D) Acetyl CoA

178 / 197

During menstrual cycle, after the female gamete is released from the ovary at ovulation, the remains of the follicle (Corpus Luteum) secretes:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Progesterone

B) FSH

C) LH

D) Testosterone

179 / 197

Which of the following is ‘NOT RELATED’ to enveloped virus?

Federal MDCAT 2023
Biology
Elimination Tool:

A) They survive for a short time

B) Their envelope is sensitive to sun light

C) They are tolerant to antibodies

D) Envelop is derived from host

180 / 197

Which of the following is NOT the function of lysosomes?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Intracellular digestion

B) Autophagy

C) Autolysis

D) Processing of cell secretions

181 / 197

Which feature is possessed by smooth muscles?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Multinucleate cells

B) Contractile sarcomeres

C) Uninucleate cells

D) Striated appearance

182 / 197

The junction between the axon ending of a neuron and the dendrites of another neuron is called:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Synapse

B) Nissl's body

C) Neuroglia

D) Myelin sheath

183 / 197

The unique macro-molecule in the bacterial cell wall is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Polysaccharides

B) Proteins

C) Peptidoglycan

D) Cholesterol

184 / 197

It is an event that Occurs during meiosis-1, when chromatids of two chromosomes break and rejoin so that a part of one chromatid swaps places with the same part of the other:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Crossing over

B) Autosomal linkage

C) Chiasmata

D) Gene mutation

185 / 197

Select the protein providing support for the connective tissues:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Histones

B) Keratin

C) Elastin

D) Collagen

186 / 197

A condition in which a joint becomes swollen painful and immoveable is called:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Spondylosis

B) Arthritis

C) Sciatica

D) Rickets

187 / 197

The pathways of water transport in which water moves through plasmodesmata is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Apoplast

B) Symplast

C) Vacuolar

D) Ascent of sap

188 / 197

The final acceptor of both electrons & protons during light reactions of photosynthesis is:

Federal MDCAT 2023
Biology
Elimination Tool:

A) PQ

B) PC

C) Fd

D) NADP+

189 / 197

Among alkali metals which element reacts slowly with H2O?

Federal MDCAT 2023
Chemistry
Elimination Tool:

A) Na

B) K

C) Rb

D) Li

190 / 197

Mature bone cells are called:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Osteoblasts

B) Osteocytes

C) Osteoclasts

D) Chondrocytes

191 / 197

In human heart, the left atrium receives:

Federal MDCAT 2023
Biology
Elimination Tool:

A) The Superior Vena Cava

B) The Inferior Vena Cava

C) The Coronary Sinus

D) The four Pulmonary Veins

192 / 197

The basic structural framework of all types of membranes are:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Glycolipids

B) Glycoproteins

C) Lipoproteins

D) Nucleoproteins

193 / 197

Which function is NOT directly performed by ovaries?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Progesterone production

B) Estrogen production

C) Ovulation

D) HCG production

194 / 197

In human males, inhibin hormone is produced by:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Leyding cells

B) Hensen's node cells

C) Sertoli cells

D) Interstitial cells

195 / 197

Which of the following is absent from membrane of prokaryotes?

Federal MDCAT 2023
Biology
Elimination Tool:

A) Glycolipid

B) Cholesterol

C) Glycoprotein

D) Phospholipid

196 / 197

A general formula is derived by one of the following scientist for calculating the frequencies of alleles and genotypes in population at equilibrium:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Linnaeus

B) Lamarck

C) Darwin

D) Hardy Weinberg

197 / 197

Choose the organism which requires a single cellular gene to encode the protein making up the organism:

Federal MDCAT 2023
Biology
Elimination Tool:

A) Viroid

B) Prions

C) Virus

D) Virion

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