BUMHS MDCAT Mock Test 3


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17
Created by Ali Durrani

BUMHS MDCAT Mock Test 3

1 / 200

I. Car manufacturing companies have recently increased the prices of mid-sized cars. II.The Government recently increased the duty on mid-sized cars.

Balochistan Mock 4
Logical Reasoning
Cause and Effect
A) Statement I is the cause and statement II is its effect
Show Explanation
B) Statement II is the cause and statement I is its effect
Show Explanation
C) Both the statements I and II are independent
Show Explanation
D) Both the statements I and 11 are effects of so
Show Explanation

2 / 200

Blueberries cost more than strawberries.
Blueberries cost less than raspberries.
Raspberries cost mre than strawberries and blueberries.
If the first two statements are true, the third statement is:

Balochistan Mock 4
Logical Reasoning
Critical Thinking
A) True
Show Explanation
B) FALSE
Show Explanation
C) Uncertain
Show Explanation
D) None of these
Show Explanation

3 / 200

An autograph can not exist without?

Balochistan Mock 4
Logical Reasoning
Critical Thinking
A) Singer
Show Explanation
B) Actor
Show Explanation
C) Player
Show Explanation
D) Pen
Show Explanation

4 / 200

The Emporium Mall has more stores than the Pakages Mall.
The Amanah Mall has fewer stores than the Pakages Mall.
The Emporium Mall has more stores than the Amanah Mall.
If the first two statements are true, the third statement is

Balochistan Mock 4
Logical Reasoning
Critical Thinking
A) True
Show Explanation
B) FALSE
Show Explanation
C) Uncertain
Show Explanation
D) None of these
Show Explanation

5 / 200

8, 10, 14, 18, ___ , 34, 50 , 66:

Balochistan Mock 4
Logical Reasoning
Letters and Symbols Series
A) 24
Show Explanation
B) 25
Show Explanation
C) 26
Show Explanation
D) 27
Show Explanation

6 / 200

Choose the correct option:

Knowledge and wisdom ____ no time for connection.

Balochistan Mock 4
English
Key Vocabulary
A) Has
Show Explanation
B) Have
Show Explanation
C) Had
Show Explanation
D) Are
Show Explanation

7 / 200

Choose the correct spelling:

Balochistan Mock 4
English
Key Vocabulary
A) Defnite
Show Explanation
B) Defanit
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C) Dafanite
Show Explanation
D) Definite
Show Explanation

8 / 200

Choose the correct spelling:

Balochistan Mock 4
English
Key Vocabulary
A) Exantuated
Show Explanation
B) Axantuated
Show Explanation
C) Accenchuated
Show Explanation
D) Accentuated
Show Explanation

9 / 200

The headmaster ____ to speak to you.

Balochistan Mock 4
English
Fill in the blank
A) Wants
Show Explanation
B) Is wanting
Show Explanation
C) Was wanting
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D) Want
Show Explanation

10 / 200

We went to the President as a last ______________.

Balochistan Mock 4
English
Fill in the blank
A) Recourse
Show Explanation
B) Resort
Show Explanation
C) Resource
Show Explanation
D) Resound
Show Explanation

11 / 200

How can the underlined word be changed?

Mrs Rose planning to do a course in Biology next week.

Balochistan Mock 4
English
Tenses and Sentence Structure
A) Are planning
Show Explanation
B) Plans
Show Explanation
C) With a plan
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D) Planning
Show Explanation

12 / 200

We prefer fruits ____ sweets.

Balochistan Mock 4
English
Fill in the blank
A) Then
Show Explanation
B) On
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C) Over
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D) From
Show Explanation

13 / 200

I ____________ English since my childhood.

Balochistan Mock 4
English
Tenses and Sentence Structure
A) Study
Show Explanation
B) Am studying
Show Explanation
C) Have been studying
Show Explanation
D) Studied
Show Explanation

14 / 200

Measles ________ a contagious childhood disease.

Balochistan Mock 4
English
Fill in the blank
A) Is
Show Explanation
B) Are
Show Explanation
C) Were
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D) Be
Show Explanation

15 / 200

Choose the correct spelling:

Balochistan Mock 4
English
Key Vocabulary
A) Eccentric
Show Explanation
B) Eckentric
Show Explanation
C) Akcantric
Show Explanation
D) Accentric
Show Explanation

16 / 200

She ran with quick steps to the house when it ____________ (start) raining.

Balochistan Mock 4
English
Tenses and Sentence Structure
A) Start
Show Explanation
B) Starting
Show Explanation
C) Started
Show Explanation
D) Was started
Show Explanation

17 / 200

Find the error in the following sentence:

Balochistan Mock 4
English
Identify errors in sentence
A) They have been
Show Explanation
B) Very close friends
Show Explanation
C) Until they quarelled
Show Explanation
D) Over a petty issue.
Show Explanation

18 / 200

Have you ________ the examination?

Balochistan Mock 4
English
Fill in the blank
A) Take
Show Explanation
B) Took
Show Explanation
C) Taken
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D) Taking
Show Explanation

19 / 200

Some of the books on the table __________ to me.

Balochistan Mock 4
English
Tenses and Sentence Structure
A) Belong
Show Explanation
B) Belonging
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C) Belongs
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D) Was belong
Show Explanation

20 / 200

Fetch _______ chair and sit down.

Balochistan Mock 4
English
Fill in the blank
A) A
Show Explanation
B) An
Show Explanation
C) The
Show Explanation
D) No article is required
Show Explanation

21 / 200

Choose the correct spelling:

Balochistan Mock 4
English
Key Vocabulary
A) Cotioned
Show Explanation
B) Cautioned
Show Explanation
C) Causchuned
Show Explanation
D) Coschuned
Show Explanation

22 / 200

The excretion of hypertonic urine in humans is associated best with the:

Balochistan Mock 4
Biology
Homeostasis
Structure and Importance of the Kidney
A) Glomerular capsule
Show Explanation
B) Proximal convoluted tubule
Show Explanation
C) Loop of Henle
Show Explanation
D) Distal convoluted tubule
Show Explanation

23 / 200

Father must _____________ left his briefcase at the office.

Balochistan Mock 4
English
Fill in the blank
A) Of
Show Explanation
B) Had
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C) Have
Show Explanation
D) Opt
Show Explanation

24 / 200

Choose the correct sentence:

Balochistan Mock 4
English
Tenses and Sentence Structure
A) Huda watched the news on the BBC.
Show Explanation
B) Huda watched the news on the BBC?
Show Explanation
C) Huda watched the news on the bbc.
Show Explanation
D) Huda, watched the news, on the BBC.
Show Explanation

25 / 200

A TV tower has a height of 100m. The average population density around the tower is 1000 per km2 . The radius of the earth is 6.4×106 m. × The population covered by the tower is

Balochistan Mock 4
Physics
Electromagnetic Waves
A) 2×106
Show Explanation
B) 3×106
Show Explanation
C) 4×106
Show Explanation
D) 6×106
Show Explanation

26 / 200

What is the number of spectral series in the hydrogen spectrum?

Balochistan Mock 4
Physics
Atomic Spectra
Spectrum of Hydrogen Atom
A) Four
Show Explanation
B) Three
Show Explanation
C) Five
Show Explanation
D) One
Show Explanation

27 / 200

A circular loop of area 0.05 m2 rotates in a uniform magnetic field of 0.2 T. If the loop rotates about its diameter which is perpendicular to the magnetic field, find the flux linked with the loop when its plane is normal to the field.

Balochistan Mock 4
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) 0.01 Wb
Show Explanation
B) 0 Wb
Show Explanation
C) 8.66 x 10-3 Wb
Show Explanation
D) 0.86 Wb
Show Explanation

28 / 200

The slope of displacement-time graph has the unit:

Balochistan Mock 4
Physics
Forces and Motion
A) m
Show Explanation
B) s
Show Explanation
C) m/s²
Show Explanation
D) m/s
Show Explanation

29 / 200

The use of a capacitor filter in a rectifier circuit gives satisfactory performance only when the load:

Balochistan Mock 4
Physics
Electronics
Rectification
A) Current is high
Show Explanation
B) Current is low
Show Explanation
C) Voltage is high
Show Explanation
D) Voltage is low
Show Explanation

30 / 200

The force between two charges Q and q, separated by a distance d is F. What will be the force between them when distance between them is d/2?

Balochistan Mock 4
Physics
Electrostatics
Columbs Law
A) 4F
Show Explanation
B) 2F
Show Explanation
C) F
Show Explanation
D) F/2
Show Explanation

31 / 200

A constant force of 10N is applied in horizontal direction and distance travelled in the direction of force is 2m,then work done is ____.

Balochistan Mock 4
Physics
Work, Power & Energy
A) 50J
Show Explanation
B) 20J
Show Explanation
C) 22J
Show Explanation
D) 10J
Show Explanation

32 / 200

If the body is rotating with uniform angular velocity, then its torque is:

Balochistan Mock 4
Physics
Circular Motion & Momentum
A) Zero
Show Explanation
B) 90
Show Explanation
C) 1
Show Explanation
D) -1
Show Explanation

33 / 200

A wire of uniform area of cross-section A and length L is cut into two equal parts, the resistivity of each part _____.

Balochistan Mock 4
Physics
Current Electricity
Wire Wound Variable Resistors
A) Doubles
Show Explanation
B) Halves
Show Explanation
C) Remains the same
Show Explanation
D) Increases three times
Show Explanation

34 / 200

In a full-wave rectification, the number of diodes used are:

Balochistan Mock 4
Physics
Alternating Current
Alternating Voltage and Current
A) 1
Show Explanation
B) 2
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C) 3
Show Explanation
D) 4
Show Explanation

35 / 200

Heat is the energy that flows across the?

Balochistan Mock 4
Physics
Heat and Thermodynamics
Work and Heat
A) Surroundings
Show Explanation
B) Boundaries of the system
Show Explanation
C) Only within the system
Show Explanation
D) All of these
Show Explanation

36 / 200

If a wave can be polarized, it means, it is:

Balochistan Mock 4
Physics
Wave Motion and Sound
A) Longitudinal wave
Show Explanation
B) Stationary wave
Show Explanation
C) Superimposed wave
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D) Transverse wave
Show Explanation

37 / 200

Magnetic force on a charged particle is:

Balochistan Mock 4
Physics
Magnetism and Electromagnetic Induction
Force on a Moving Charge in a Magnetic Field
A) QvBl
Show Explanation
B) None of these
Show Explanation
C) QvB cosθ
Show Explanation
D) QvB sinθ
Show Explanation

38 / 200

Calculate the charge passing through the circuit if it’s current is 10 Ampere and the recorded time is 15 seconds:

Balochistan Mock 4
Physics
Current Electricity
Electric Current
A) 1,500 Coulombs
Show Explanation
B) 150 Coulombs
Show Explanation
C) 13,400 Coulombs
Show Explanation
D) 140 Coulombs
Show Explanation

39 / 200

The oscillating object overshoots the rest position due to:

Balochistan Mock 4
Physics
Oscillations and Simple Harmonic Motion
A) restoring force
Show Explanation
B) inertia
Show Explanation
C) gravitational potential energy
Show Explanation
D) elastic potential energy
Show Explanation

40 / 200

The angular measurement is known as _____ measurement

Balochistan Mock 4
Physics
Circular Motion & Momentum
A) parameter
Show Explanation
B) area
Show Explanation
C) circumference
Show Explanation
D) all of these
Show Explanation

41 / 200

Velocity of sound in air is 332m/s. Velocity of sound in vacuum would be:

Balochistan Mock 4
Physics
Wave Motion and Sound
A) More than 332m/s
Show Explanation
B) Less than 332m/s
Show Explanation
C) 332m/s
Show Explanation
D) Zero
Show Explanation

42 / 200

Assertion: In n-type semiconductor electrons are the majority charge carriers and holes are minority charge carriers.
Reason: n-type semiconductor is electrically neutral.

Balochistan Mock 4
Physics
Electronics
Semiconductors
A) If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
Show Explanation
B) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
Show Explanation
C) If Assertion is true statement but Reason is false.
Show Explanation
D) If both Assertion and Reason are false statements.
Show Explanation

43 / 200

An alternation voltage V (in volts) is represented by the equation:
V = 300 sin (100πt)
What is the value of “f” for this voltage?

Balochistan Mock 4
Physics
Alternating Current
Alternating Voltage and Current
A) 100 Hz
Show Explanation
B) 50 Hz
Show Explanation
C) 25 H
Show Explanation
D) 200 Hz
Show Explanation

44 / 200

How much energy is required to raise the temperature of 5.00 kg of lead from 20.0•c to its melting point of 327°C? The specific heat of lead is 128 J/kg ?•c.

Balochistan Mock 4
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) 1.96 x 10^5 J
Show Explanation
B) 4.04 X 10^5 J
Show Explanation
C) 1.07 X 10^5 J
Show Explanation
D) 8.15 x 10^4 J
Show Explanation

45 / 200

The body of a car is supported by four springs each of constant 2000 Nm-1. What will be the value of spring constant for this combination of springs?

Balochistan Mock 4
Physics
Oscillations and Simple Harmonic Motion
A) 2000 Nm-1
Show Explanation
B) 8000 Nm-1
Show Explanation
C) 500 Nm-1
Show Explanation
D) 4000 Nm-1
Show Explanation

46 / 200

Work function was given by:

Balochistan Mock 4
Physics
Dawn of Modern Physics
Photoelectric Effect
A) Newton
Show Explanation
B) Heisenberg
Show Explanation
C) Einstein
Show Explanation
D) Bohr
Show Explanation

47 / 200

A variable force F = x is applied what will be the work done in moving the particle from X= 0 to 1

Balochistan Mock 4
Physics
Work, Power & Energy
A) 2 J
Show Explanation
B) 1 J
Show Explanation
C) 0.5 J
Show Explanation
D) 5 J
Show Explanation

48 / 200

Platinum wire becomes yellow at a temperature of _______ degree C.

Balochistan Mock 4
Physics
Dawn of Modern Physics
Black Body Radiation
A) 900
Show Explanation
B) 500
Show Explanation
C) 1300
Show Explanation
D) 1600
Show Explanation

49 / 200

When an ideal gas of constant mass is heated in a container of fixed volume, what is the reason for the increase in pressure of the gas?

Balochistan Mock 4
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) The number of molecules per unit volume increases
Show Explanation
B) The molecules occupy greater volume of the container
Show Explanation
C) The average force per impact at the container wall increases
Show Explanation
D) The molecules collide with each other with greater force
Show Explanation

50 / 200

A block hangs freely from the end of a spring. A boy then slowly pushes the block upwards so that the spring becomes strain free. The gain in gravitational potential energy of the block during this process is equal to:

Balochistan Mock 4
Physics
Work, Power & Energy
A) work done by the boy against the gravitational force acting on the block
Show Explanation
B) loss of energy stored in the spring minus the work done by the tension in the spring
Show Explanation
C) work done on the block by the boy plus the loss of energy stored in the spring
Show Explanation
D) work done on the block by the boy minus the work done by the tension in the spring
Show Explanation

51 / 200

In Davisson-Germer experiment, the diffracted electron beam from crystal shows

Balochistan Mock 4
Physics
Dawn of Modern Physics
Wave Nature of Particles
A) Particle property
Show Explanation
B) Light property
Show Explanation
C) Wave property
Show Explanation
D) Quantum property
Show Explanation

52 / 200

On a planet, a vertically-launched projectile takes 12.5 s to return to its starting position. The projectile gains a maximum height of 170 m. The planet does not have an atmosphere. What is the acceleration of free fall on this planet?

Balochistan Mock 4
Physics
Forces and Motion
Motion in Two Dimensions
A) 2.2 m s−2
Show Explanation
B) 8.7 m s−2
Show Explanation
C) 27 m s−2
Show Explanation
D) 54 m s−2
Show Explanation

53 / 200

When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by

Balochistan Mock 4
Physics
Circular Motion & Momentum
A) Mass of body
Show Explanation
B) Tension in the string
Show Explanation
C) Velocity of body
Show Explanation
D) Centripetal acceleration
Show Explanation

54 / 200

A stationary wave is set up on a string that is fixed at both ends. The frequency of the wave is 400 Hz. If the speed of the wave is 480 m/s, then what is the length of the string?

Balochistan Mock 4
Physics
Wave Motion and Sound
A) 1.2m
Show Explanation
B) 0.84m
Show Explanation
C) 0.60m
Show Explanation
D) 0.42m
Show Explanation

55 / 200

If number of loops are increased than according to Faraday law ____ will increase.

Balochistan Mock 4
Physics
Magnetism and Electromagnetic Induction
Faradays and Lenz Law and Induced EMF
A) Voltage
Show Explanation
B) Electric field
Show Explanation
C) Magnetic field
Show Explanation
D) All of these
Show Explanation

56 / 200

Complete the sequence:

2, 15, 41, 80, _____

Balochistan Mock 4
Logical Reasoning
Letters and Symbols Series
A) 111
Show Explanation
B) 120
Show Explanation
C) 121
Show Explanation
D) 132
Show Explanatio

57 / 200

The first law of thermodynamics can be stated as _____.

Balochistan Mock 4
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) Q = ΔU +W
Show Explanation
B) Q + ΔU = W
Show Explanation
C) Q = ΔU – W
Show Explanation
D) Q = ΔU * W
Show Explanation

58 / 200

Which one of the following is not electromagnetic in nature.

Balochistan Mock 4
Physics
Electromagnetic Waves
A) X-rays
Show Explanation
B) Gamma rays
Show Explanation
C) Cathode rays
Show Explanation
D) Infrared rays
Show Explanation

59 / 200

The angular velocity of the minute hand of a clock is

Balochistan Mock 4
Physics
Circular Motion & Momentum
A) 2π/60rads-1
Show Explanation
B) π/24rads-1
Show Explanation
C) 2π/3600rads-1
Show Explanation
D) π/3600rads-1
Show Explanation

60 / 200

The ratio of the number of turns in primary and secondary coils of a transformer is 1:20. The ratio of the currents in the primary and secondary will be

Balochistan Mock 4
Physics
Magnetism and Electromagnetic Induction
Transformers
A) 1:20
Show Explanation
B) 20:1
Show Explanation
C) 1:400
Show Explanation
D) 400:1
Show Explanation

61 / 200

The valence band and conduction band of a solid overlap at low temperature, the solid may be:

Balochistan Mock 4
Physics
Heat and Thermodynamics
Work and Heat
A) a metal
Show Explanation
B) a semiconductor
Show Explanation
C) an insulator
Show Explanation
D) none of these
Show Explanation

62 / 200

A body of mass 10 kg is moved parallel to the ground, through a distance of 2 m. The work done against gravitational force is ____.

Balochistan Mock 4
Physics
Work, Power & Energy
A) Zero
Show Explanation
B) 196 J
Show Explanation
C) -196 J
Show Explanation
D) 48 J
Show Explanation

63 / 200

Some ice, at its melting point, is added to m kg of water at the initial temperature of 290K. The ice melts completely and the final temperature of the water is 273K. If c is the specific heat capacity of the water and L is the latent heat of fusion of ice, what is the minimum mass of ice that is required?

Balochistan Mock 4
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) 17mc/L
Show Explanation
B) L/17mc
Show Explanation
C) 17m/Lc
Show Explanation
D) 290m/Lc
Show Explanation

64 / 200

In case of harmonic oscillator total energy remains ____.

Balochistan Mock 4
Physics
Oscillations and Simple Harmonic Motion
A) Variable
Show Explanation
B) Infinity
Show Explanation
C) Constant
Show Explanation
D) Zero
Show Explanation

65 / 200

The waves which can travel directly along surface of the earth are known as

Balochistan Mock 4
Physics
Wave Motion and Sound
A) ground waves
Show Explanation
B) X-ray
Show Explanation
C) α − rays
Show Explanation
D) sky waves
Show Explanation

66 / 200

A set of Atoms in an excited state decays:

Balochistan Mock 4
Physics
Atomic Spectra
Bohrs Model of the Hydrogen Atom
A) In any general state with lower energy
Show Explanation
B) In any state when excited by electric field
Show Explanation
C) In any state when excited by magnetic field
Show Explanation
D) None of these options are correct
Show Explanation

67 / 200

The force between two charges Q and q, separated by a distance is F. What will be the force between them when the distance between them is d/2?

Balochistan Mock 4
Physics
Electrostatics
A) 4 F
Show Explanation
B) 2 F
Show Explanation
C) F
Show Explanation
D) F/2
Show Explanation

68 / 200

If we are standing in a bus and the driver applies a brake then we feel:

Balochistan Mock 4
Physics
Forces and Motion
A) A pseudo force pushes backwards
Show Explanation
B) A pseudo force pushes forwards
Show Explanation
C) A real force pushes backwards
Show Explanation
D) A real force pushes forwards
Show Explanation

69 / 200

The change in resistance of metallic conductor at temperature below 0 degrees is:

Balochistan Mock 4
Physics
Current Electricity
Ohms Law
A) Non-linear
Show Explanation
B) Curve
Show Explanation
C) Linear
Show Explanation
D) Curvilinear
Show Explanation

70 / 200

A strong magnetic field is applied on a stationary electron, then the electron ____.

Balochistan Mock 4
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) Moves in the direction of the field.
Show Explanation
B) Moves perpendicular to the direction of the field.
Show Explanation
C) Moves opposite to the direction of the field.
Show Explanation
D) Remains stationary
Show Explanation

71 / 200

What is the relationship between power, urrent and voltage?

Balochistan Mock 4
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) P=V/I
Show Explanation
B) P=VI
Show Explanation
C) 2P=l+V
Show Explanation
D) All of them
Show Explanation

72 / 200

The diagram shows a wire, carrying an electronic current I, placed between the poles of a magnet. In which direction does the force on the wire act?

Balochistan Mock 4
Physics
Magnetism and Electromagnetic Induction
Force on a Current Carrying Conductor in a Uniform Magnetic Field
A) Into the paper
Show Explanation
B) Towards the N pole of the magnet
Show Explanation
C) Out of the paper
Show Explanation
D) Towards the S pole of the magnet
Show Explanation

73 / 200

The shortest distance between two points on a travelling wave that have a phase difference of (pi/3) is 5 cm. If the wave has frequency 500 Hz, what is the speed of the wave?

Balochistan Mock 4
Physics
Wave Motion and Sound
A) 300 m/s
Show Explanation
B) 150 m/s
Show Explanation
C) 300 cm/s
Show Explanation
D) 150 cm/s
Show Explanation

74 / 200

Power developed by a person on eating 100g of ice per minute is (Latent heat of ice is 80 cal/g):

Balochistan Mock 4
Physics
Work, Power & Energy
A) 130 W
Show Explanation
B) 560 cal/sec
Show Explanation
C) 560 J/sec
Show Explanation
D) none of these
Show Explanation

75 / 200

The electron is purely a ___ when free.

Balochistan Mock 4
Physics
Dawn of Modern Physics
Wave Nature of Particles
A) Particle nature
Show Explanation
B) Wave nature
Show Explanation
C) Dual nature
Show Explanation
D) It transforms to photon
Show Explanation

76 / 200

The centripetal force is zero when the centrifugal force is ______.

Balochistan Mock 4
Physics
Circular Motion & Momentum
A) Equal
Show Explanation
B) Zero
Show Explanation
C) Maximum
Show Explanation
D) None of these options are correct
Show Explanation

77 / 200

Acceleration in the simple pendulum is always _______ to displacement.

Balochistan Mock 4
Physics
Oscillations and Simple Harmonic Motion
A) Inversely proportional
Show Explanation
B) Directly proportional
Show Explanation
C) Acting positive
Show Explanation
D) Independent
Show Explanation

78 / 200

The phase angle between two points is 3 pi. The distance between these points is 15 cm. What is the wavelength of the wave?

Balochistan Mock 4
Physics
Wave Motion and Sound
A) 30 cm
Show Explanation
B) 45 cm
Show Explanation
C) 5 cm
Show Explanation
D) 10 cm
Show Explanation

79 / 200

Object A has a charge of 15 mC, and object B has a charge of 10 mC. Which statement is true about the electric forces on the objects?

Balochistan Mock 4
Physics
Electrostatics
Columbs Law
A) FAB = -3 FBA
Show Explanation
B) FAB = – FBA
Show Explanation
C) 3 FAB = – FBA
Show Explanation
D) -3 FAB = 2 FBA
Show Explanation

80 / 200

Ethyl iodide and n-propyl iodide are allowed to undergo Wurtz reaction. The alkane which will not be obtained in this reaction is:

Balochistan Mock 4
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) butane
Show Explanation
B) propane
Show Explanation
C) pentane
Show Explanation
D) hexane
Show Explanation

81 / 200

Which of the following has the least ionization potential?

Balochistan Mock 4
Chemistry
Chemical Bonding
Ionization Energy
A) He
Show Explanation
B) Li
Show Explanation
C) Zn
Show Explanation
D) N
Show Explanation

82 / 200

The raindrop acquires a spherical shape and ink spread over blotting paper due to:

Balochistan Mock 4
Chemistry
Chemical Bonding
Intermolecular Forces
A) Surface tension
Show Explanation
B) Adhesive forces
Show Explanation
C) Viscosity
Show Explanation
D) Polarity
Show Explanation

83 / 200

The unit used to express the relative atomic mass is called

Balochistan Mock 4
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) Gram unit
Show Explanation
B) Avogadro’s number
Show Explanation
C) Atomic mass
Show Explanation
D) Atomic mass unit
Show Explanation

84 / 200

Which of the following exerts the lowest vapour pressure?

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Boiling Point and Vapor Pressure
A) Chloroform
Show Explanation
B) Methanol
Show Explanation
C) Water
Show Explanation
D) Ethanol
Show Explanation

85 / 200

The relationship between quantum number n and l is:

Balochistan Mock 4
Chemistry
Atomic Structure
Plancks Quantum Theory
A) n = l – 1
Show Explanation
B) l = n – 2
Show Explanation
C) l = n – 1
Show Explanation
D) n = l – 2
Show Explanation

86 / 200

Which type of movement is shown by the atoms of the solid?

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) Translational motion
Show Explanation
B) Vibrational motion
Show Explanation
C) Rotational motion
Show Explanation
D) Linear motion
Show Explanation

87 / 200

Alkanes having five to seventeen carbon atoms per molecule are:

Balochistan Mock 4
Chemistry
Hydrocarbons
Alkanes and Paraffins
A) liquids
Show Explanation
B) solids
Show Explanation
C) gases
Show Explanation
D) semi solid wax
Show Explanation

88 / 200

What is the product of both fermentation reactions and fractional distillation:

Balochistan Mock 4
Chemistry
Alcohol, Phenols, and Ethers
A) An ester
Show Explanation
B) An acid
Show Explanation
C) An alcohol
Show Explanation
D) A soap
Show Explanation

89 / 200

Ethanol, when reacted with PCI5 , gave A, POCl3, and HCI. A reacts with AgNO2 to form B and AgCl. A and B are respectively:

Balochistan Mock 4
Chemistry
Alcohol, Phenols, and Ethers
A) C2H5Cl and C2H5OC2H5
Show Explanation
B) C2H6 and C2H5OC2H5
Show Explanation
C) C2H5Cl and C2H5NO2
Show Explanation
D) C2H6 and C2H5NO2
Show Explanation

90 / 200

Which of the following is not a nucleophile?

Balochistan Mock 4
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) HO-
Show Explanation
B) NH3
Show Explanation
C) BF3
Show Explanation
D) CN-
Show Explanation

91 / 200

The raindrop acquires a spherical shape and ink spread over blotting paper due to:

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Liquids and Water
A) Surface tension
Show Explanation
B) Adhesive forces
Show Explanation
C) Viscosity
Show Explanation
D) Polarity
Show Explanation

92 / 200

Which pair has 1 electron in it’s ‘s’ orbital?

Balochistan Mock 4
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Li & Fe
Show Explanation
B) Na & Cr
Show Explanation
C) K & Mn
Show Explanation
D) H & He
Show Explanation

93 / 200

A reaction with a tendency of occurring in forward and backward direction simultaneously is termed as

Balochistan Mock 4
Chemistry
Chemical Equilibrium
State of Chemical Equilibrium
A) Irreversible
Show Explanation
B) Unidirectional
Show Explanation
C) Multidirectional
Show Explanation
D) Reversible
Show Explanation

94 / 200

Structure of ice is similar to which of the following?

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) Liquid water
Show Explanation
B) Diamond
Show Explanation
C) Graphite
Show Explanation
D) Sucrose
Show Explanation

95 / 200

Which pair of ions have five unpaired d-electrons?

Balochistan Mock 4
Chemistry
d and f Block Elements
A) Fe+2 and Mn+2
Show Explanation
B) Fe+2 and Mn+3
Show Explanation
C) Fe+3 and Mn+3
Show Explanation
D) Fe+3 and Mn+2
Show Explanation

96 / 200

The general formula for an aldehyde is:

Balochistan Mock 4
Chemistry
Aldehydes and Ketones
Nomenclature of Adehydes and Ketones
A) R-OH
Show Explanation
B) R-COOH
Show Explanation
C) R-CO-R
Show Explanation
D) R-X
Show Explanation
E) R-CHO
Show Explanation

97 / 200

In which of the following will water evaporate earlier?

Balochistan Mock 4
Chemistry
Introduction to Fundamental Concepts of Chemistry
Analysis of a Compound – Empirical And Molecular Formulas
A) Cup
Show Explanation
B) Saucepan
Show Explanation
C) Glass
Show Explanation
D) Small bowl
Show Explanation

98 / 200

Which type of isomerism depends on the distribution of carbon atoms on each side of the functional group?

Balochistan Mock 4
Chemistry
Fundamental Principles of Organic Chemistry
A) Structural isomerism
Show Explanation
B) Functional isomerism
Show Explanation
C) Chain isomerism
Show Explanation
D) Metamerism
Show Explanation

99 / 200

The order of reaction for which half-life is inversely proportional to the concentration of reaction is?

Balochistan Mock 4
Chemistry
Reaction Kinetics
Order of reaction and its determination
A) Second Order
Show Explanation
B) Zero Order
Show Explanation
C) First Order
Show Explanation
D) Third Order
Show Explanation

100 / 200

The oxidation state of “S’ in the (S2O3)-2 is:

Balochistan Mock 4
Chemistry
Electrochemistry
Oxidation Number or State
A) +4
Show Explanation
B) +6
Show Explanation
C) -2
Show Explanation
D) +2
Show Explanation

101 / 200

Sigma bond is formed by:

Balochistan Mock 4
Chemistry
Chemical Bonding
Intermolecular Forces
A) Transferring the electrons
Show Explanation
B) Head-on overlapping of atomic orbitals
Show Explanation
C) Mutual but unequal sharing of electrons
Show Explanation
D) Parallel overlapping of atomic orbitals
Show Explanation

102 / 200

During condensation polymerization, two monomers may be joined by the removal of a molecule of:

Balochistan Mock 4
Chemistry
Macromolecules
Introduction and Structure of Polymers
A) Carbon Dioxide
Show Explanation
B) Hydrogen
Show Explanation
C) Oxygen
Show Explanation
D) Water
Show Explanation

103 / 200

IUPAC name of this is (CH3)2 – CH – CH (C2H5) – C(CH3)3

Balochistan Mock 4
Chemistry
Hydrocarbons
Nomenclature of Hydrocarbons
A) 3-ethyl-2, 2, 4-trimethyl pentane
Show Explanation
B) 4-ethyl-2, 2, 4-trimethyl pentane
Show Explanation
C) 5-ethyl-2, 2, 4-trimethyl pentane
Show Explanation
D) 2-ethyl-2, 2, 4-trimethyl pentane
Show Explanation

104 / 200

Harmful and undesirable reaction of a metal when exposed to the atmosphere or any chemical agent is known as:

Balochistan Mock 4
Chemistry
Electrochemistry
A) Allotropy
Show Explanation
B) Electroplating
Show Explanation
C) Collision
Show Explanation
D) Cracking
Show Explanation
E) Corrosion
Show Explanation

105 / 200

Which one of the following molecules has the shortest distance of carbon atoms?

Balochistan Mock 4
Chemistry
Hydrocarbons
Alkynes
A) CH3- CH3
Show Explanation
B) CH2= CH2
Show Explanation
C) CH≡ CH
Show Explanation
D) CH3- CH2- CH3
Show Explanation

106 / 200

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

Balochistan Mock 4
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) LiAlH4
Show Explanation
B) Zn(Hg)-HCl
Show Explanation
C) NaBH4
Show Explanation
D) CH3MgI
Show Explanation

107 / 200

Which of the following cannot be used to convert butanoic acid to butanoyl chloride?

Balochistan Mock 4
Chemistry
Carboxylic Acids and its Derivatives
A) PCl3
Show Explanation
B) PCl5
Show Explanation
C) CCl4
Show Explanation
D) SOCl2
Show Explanation

108 / 200

Prussian blue is:

Balochistan Mock 4
Chemistry
d and f Block Elements
A) K2Fe[FeCN6]
Show Explanation
B) K4[FeCN6]
Show Explanation
C) Fe4[Fe(CN)6] 3xH2O
Show Explanation
D) K3FeCN6
Show Explanation

109 / 200

Purification of bauxite whose major impurity Is silica (SiO2) is carried out through:

Balochistan Mock 4
Chemistry
Macromolecules
Introduction and Structure of Polymers
A) Baeyer’s Method
Show Explanation
B) Hall’s Method
Show Explanation
C) Serpek’s Method
Show Explanation
D) Contact Method
Show Explanation

110 / 200

Which of the following carboxylic acids will be the most acidic?

Balochistan Mock 4
Chemistry
Carboxylic Acids and its Derivatives
A) CH3CHClCH2COOH
Show Explanation
B) CH3CH2CCl2COOH
Show Explanation
C) CH3CH2CHClCOOH
Show Explanation
D) CH3CH2CH2COOH
Show Explanation

111 / 200

Purification of table salt (NaCl) by passing HCl gas through its saturated aqueous solution is an example of:

Balochistan Mock 4
Chemistry
Chemical Equilibrium
A) Law of mass action
Show Explanation
B) Hess’s law
Show Explanation
C) Common ion effect
Show Explanation
D) Henry’s law
Show Explanation

112 / 200

Which of the following has lowest e/m ratio?

Balochistan Mock 4
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Li+2
Show Explanation
B) H+
Show Explanation
C) He+
Show Explanation
D) Be
Show Explanation

113 / 200

Which of the following is TRUE regarding Methyl Alcohol?

Balochistan Mock 4
Chemistry
Alcohol, Phenols, and Ethers
A) It is a colorless, volatile, thin liquid with specific gravity 0.796 at 15°C
Show Explanation
B) It is used for low-temperature thermometers and as a fuel substitute
Show Explanation
C) It is extensively used in the formation of different beverages
Show Explanation
D) It is used as a base for perfumes
Show Explanation

114 / 200

During oxidation process, oxidation number of an element:

Balochistan Mock 4
Chemistry
Electrochemistry
Oxidation Number or State
A) Decreases
Show Explanation
B) Increases
Show Explanation
C) Remains constant
Show Explanation
D) Both decreases and increases
Show Explanation

115 / 200

Which of the following reaction has greater Kp than Kc?

Balochistan Mock 4
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) 2NO + Cl2 2NOCl
Show Explanation
B) 2SO2 + O2 2SO3
Show Explanation
C) 2NOCl 2NO + Cl2
Show Explanation
D) N2 + 3H2 2NH3
Show Explanation

116 / 200

Variable valency is generally exhibited by:

Balochistan Mock 4
Chemistry
d and f Block Elements
A) Normal elements
Show Explanation
B) Transition elements
Show Explanation
C) Metallic elements
Show Explanation
D) None of them
Show Explanation

117 / 200

Rate constant is denoted by?

Balochistan Mock 4
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) K
Show Explanation
B) Kr
Show Explanation
C) Kv
Show Explanation
D) Ks
Show Explanation

118 / 200

How will the equilibrium of the following reaction be affected if additional nitrogen is added?

N2(g) + 3H2(g)⇌ 2NH3(g)

Balochistan Mock 4
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) It will be shifted to the right.
Show Explanation
B) It will be shifted to the left.
Show Explanation
C) it will be unaffected.
Show Explanation
D) The effect on the equilibrium cannot be determined without more information.
Show Explanation
E) More NH3will be produced.
Show Explanation

119 / 200

The common oxidation number of halogens is:

Balochistan Mock 4
Chemistry
Electrochemistry
Oxidation Number or State
A) -1
Show Explanation
B) +1
Show Explanation
C) -2
Show Explanation
D) 0
Show Explanation

120 / 200

Primary Alcohol is produced by reactions of Grignard’s reagent with _________ followed by hydrolysis in an acidic medium.

Balochistan Mock 4
Chemistry
Alcohols, Phenols and Ethers
A) Carbon dioxide
Show Explanation
B) Formaldehyde
Show Explanation
C) Acetaldehyde
Show Explanation
D) Ketone
Show Explanation

121 / 200

The rate of diffusion of liquids is ________ than gases.

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Diffusion And Effusion
A) Lower
Show Explanation
B) Higher
Show Explanation
C) Equal to
Show Explanation
D) All of these options are correct
Show Explanation

122 / 200

CH3CH2CH2COCH3 is the functional isomer of:

Balochistan Mock 4
Chemistry
Fundamental Principles of Organic Chemistry
A) CH3CH2CH2CH2CHO
Show Explanation
B) CH3CH2CH2CH2OH
Show Explanation
C) CH3CH2COCH2CH3
Show Explanation
D) CH3 – (CH)2 COCH2CH3
Show Explanation

123 / 200

The isomers must have the same:

Balochistan Mock 4
Chemistry
Fundamental Principles of Organic Chemistry
A) Physical properties
Show Explanation
B) Molecular Formula
Show Explanation
C) Structural Formula
Show Explanation
D) Chemical properties
Show Explanation

124 / 200

The transition element which does not show variable valency is:

Balochistan Mock 4
Chemistry
d and f Block Elements
A) Cu
Show Explanation
B) Sc
Show Explanation
C) Zn
Show Explanation
D) Cr
Show Explanation

125 / 200

Linear combination of atomic orbitals (LCAO) results in the formation of:

Balochistan Mock 4
Chemistry
Chemical Bonding
Energetics of Bond Formation
A) Sigma bond
Show Explanation
B) Pi bond
Show Explanation
C) Bonding molecular orbitals only
Show Explanation
D) Bonding and antibonding molecular orbitals
Show Explanation

126 / 200

The equation N2(g)+ 3H2(g)⇋ 2NH3(g)represents:

Balochistan Mock 4
Chemistry
Chemical Equilibrium
Haber’s Process
A) Contact process
Show Explanation
B) Haber’s process
Show Explanation
C) Solvay process
Show Explanation
D) Avogadro’s Law
Show Explanation

127 / 200

Different kinds of atoms of the same element are called isotope having different __________but same ___________ properties.

Balochistan Mock 4
Chemistry
Introduction to Fundamental Concepts of Chemistry
Isotopes
A) Physical, atomic
Show Explanation
B) Physical, chemical
Show Explanation
C) Chemical, physical
Show Explanation
D) Chemical, atomic
Show Explanation

128 / 200

Which of the following will not undergo aldol condensation?

Balochistan Mock 4
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Acetaldehyde
Show Explanation
B) Propanaldehyde
Show Explanation
C) Benzaldehyde
Show Explanation
D) Trideuteroacetaldehyde
Show Explanation

129 / 200

Linear combination of atomic orbitals (LCAO) results in the formation of:

Balochistan Mock 4
Chemistry
Chemical Bonding
Energetics of Bond Formation
A) Sigma bond
Show Explanation
B) Pi bond
Show Explanation
C) Bonding molecular orbitals only
Show Explanation
D) Bonding and antibonding molecular orbitals
Show Explanation

130 / 200

Real gas is converted to ideal gas at:

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Real and Ideal Gas Equation
A) Low temperature, high pressure
Show Explanation
B) High temperature, high pressure
Show Explanation
C) Low temperature, low pressure
Show Explanation
D) High temperature, low pressure
Show Explanation

131 / 200

Which of the following properties does not belong to Gases?

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Kinetic Molecular Theory Of Gases
A) Indefinite volume
Show Explanation
B) Indefinite shape
Show Explanation
C) Low density
Show Explanation
D) Strong interactions
Show Explanation

132 / 200

Which of the following is an assumption of the kinetic model of an ideal gas?

Balochistan Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids
Kinetic Molecular Theory Of Gases
A) Gas is at high pressure
Show Explanation
B) Collision between particles are elastic
Show Explanation
C) There are weak forces of attraction between particles in gas
Show Explanation
D) Total energy of particles is proportional to the temperature
Show Explanation

133 / 200

The stretch reflex, the Golgi tendon reflex, the crossed extensor reflex, and the withdrawal reflex are included in:

Balochistan Mock 4
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Stretch reflex
Show Explanation
B) Spinal reflex
Show Explanation
C) Golgi tendon reflex
Show Explanation
D) Crossed Extensor Reflex
Show Explanation

134 / 200

Which body function is controlled through a positive feedback mechanism?

Balochistan Mock 4
Biology
Coordination and Control
Feedback Mechanism
A) Labor contractions
Show Explanation
B) Body temperature
Show Explanation
C) Insulin production
Show Explanation
D) Thyroxine release
Show Explanation

135 / 200

Which of the following is NOT a characteristic feature of tapeworm?

Balochistan Mock 4
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Each body segment has two sets of male and female reproductive organs.
Show Explanation
B) The digestive tract develops from endodermal cells in the embryo.
Show Explanation
C) The body can be cut into two parts, which are mirror images of each other, in one plane only.

Show Explanation
D) None of these
Show Explanation

136 / 200

What is critical in photoperiodism?

Balochistan Mock 4
Biology
Reproduction
Reproduction in Plants
A) Length of light period
Show Explanation
B) Length of dark period
Show Explanation
C) Both Options A and B are correct
Show Explanation
D) None of these options is correct
Show Explanation

137 / 200

In photosynthesis dark reaction, is called so because:

Balochistan Mock 4
Biology
Bioenergetics
Light Independent Mechanism of Photosynthesis
A) It occurs in dark
Show Explanation
B) It does not require light energy
Show Explanation
C) It cannot occur during daytime
Show Explanation
D) It occurs more rapidly at night
Show Explanation

138 / 200

As long as two species occupy different niches, there is?

Balochistan Mock 4
Biology
Evolution
A) Competition
Show Explanation
B) No competition
Show Explanation
C) Gene linkage
Show Explanation
D) Polymorphism
Show Explanation

139 / 200

Which cells secrete flexible, elastic, non-living matrix collagen that surrounds the chondrocytes?

Balochistan Mock 4
Biology
Support and Movement
Support and Movement in Animals
A) Osteocytes
Show Explanation
B) Osteoclasts
Show Explanation
C) Chondrocytes
Show Explanation
D) Osteoblasts
Show Explanation

140 / 200

Among the followings which is the longest supportive cell?

Balochistan Mock 4
Biology
Support and Movement
Support and Movement in Animals
A) Trachea
Show Explanation
B) Collenchyma cells
Show Explanation
C) Sclereids
Show Explanation
D) Tracheids
Show Explanation

141 / 200

Out of 31 pairs of spinal nerves, how many are pairs of coccygeal nerves?

Balochistan Mock 4
Biology
Coordination and Control
Central Nervous System
A) 1
Show Explanation
B) 12
Show Explanation
C) 15
Show Explanation
D) 10
Show Explanation

142 / 200

The upward movement of sap by the xylem is:

Balochistan Mock 4
Biology
Transport
A) Ascent of sap
Show Explanation
B) Plasmolysis
Show Explanation
C) Deplasmolysis
Show Explanation
D) Guttation
Show Explanation

143 / 200

In humans, the temperature regulation control center is located in:

Balochistan Mock 4
Biology
Homeostasis
Thermoregulation
A) Kidneys
Show Explanation
B) Brain
Show Explanation
C) Lungs
Show Explanation
D) Liver
Show Explanation

144 / 200

Which one is not the characteristic of Kingdom Animalia?

Balochistan Mock 4
Biology
Kingdom Animalia
Introduction to Kingdom Animalia
A) All animals are ingestive heterotrophs
Show Explanation
B) All animals are eukaryotes
Show Explanation
C) It is largest kingdom
Show Explanation
D) All animals develop from the dissimilar gametes
Show Explanation

145 / 200

_____ alleles both have an effect on the phenotype of a heterozygous organism:

Balochistan Mock 4
Biology
Variation and Genetics
Exceptions To Mendelian Inheritance
A) Dominant
Show Explanation
B) Recessive
Show Explanation
C) Co-dominant
Show Explanation
D) Multiple
Show Explanation

146 / 200

HDL is synthesized in;

Balochistan Mock 4
Biology
Transport
A) Liver
Show Explanation
B) Intestine
Show Explanation
C) Liver and Intestine
Show Explanation
D) Adipose tissue
Show Explanation

147 / 200

When two or more clearly different phenotypes exists in same population of species, the phenomenon is called?

Balochistan Mock 4
Biology
Evolution
A) Replication
Show Explanation
B) Polymorphism
Show Explanation
C) Gene linkage
Show Explanation
D) Gene expression
Show Explanation

148 / 200

The type of plastids found in the roots of plants are ________.

Balochistan Mock 4
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Chloroplasts
Show Explanation
B) Chromoplasts
Show Explanation
C) Leucoplasts
Show Explanation
D) All of these options are correct
Show Explanation

149 / 200

Which of the following statements about chordates is true?

Balochistan Mock 4
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) They are protostomes
Show Explanation
B) All chordates are vertebrates
Show Explanation
C) They lack a coelom
Show Explanation
D) Their anus forms from the blastopore
Show Explanation

150 / 200

Neurons are cells adapted for the rapid transmission of electrical impulses. To do this, they have long thin processes called:

Balochistan Mock 4
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Axons
Show Explanation
B) Dendrites
Show Explanation
C) Myelin sheath
Show Explanation
D) Schwann cell
Show Explanation

151 / 200

Which of the following is soluble in hot water?

Balochistan Mock 4
Biology
Biological Molecules
Carbohydrates
A) Starch
Show Explanation
B) Glycogen
Show Explanation
C) Amylose
Show Explanation
D) Amylopectin
Show Explanation

152 / 200

When resources gets scarce, the population growth?

Balochistan Mock 4
Biology
Man and His Enviornment
A) Becomes fast
Show Explanation
B) Slows down
Show Explanation
C) Remains same
Show Explanation
D) None of these
Show Explanation

153 / 200

Which of the following neurotransmitters function, both as neurotransmitter and hormones, decreasing our perception of pain?

Balochistan Mock 4
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Epinephrine
Show Explanation
B) Serotonin
Show Explanation
C) Dopamine
Show Explanation
D) Endorphins
Show Explanation

154 / 200

The active uptake of sodium in the ascending limb or thick loop of Henle is promoted by the action of:

Balochistan Mock 4
Biology
Homeostasis
Structure and Importance of the Kidney
A) Aldosterone
Show Explanation
B) Thyroxine
Show Explanation
C) ADH
Show Explanation
D) Cortisone
Show Explanation

155 / 200

The types of gametes produced by two pairs of chromosomes can be?

Balochistan Mock 4
Biology
Chromosomes and DNA
Types & Composition of Chromosomes
A) 2
Show Explanation
B) 4
Show Explanation
C) 6
Show Explanation
D) 8
Show Explanation

156 / 200

A type of bacterial cell that is completely surrounded by flagella is called:

Balochistan Mock 4
Biology
Kingdom Prokaryote
Motility and Nutrition in Bacteria
A) Diplococcus
Show Explanation
B) Tetrad
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C) Peritrichous
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D) Monotrichous
Show Explanation

157 / 200

The term ‘cell’ was given by

Balochistan Mock 4
Biology
Cell Structure and Function
Introduction to Cell and it’s theory
A) Leeuwenhoek
Show Explanation
B) Robert Hooke
Show Explanation
C) Flemming
Show Explanation
D) Robert Brown
Show Explanation

158 / 200

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

Balochistan Mock 4
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) Sarcolemma
Show Explanation
B) Plasma membrane
Show Explanation
C) Sarcoplasm
Show Explanation
D) Myofibrils
Show Explanation

159 / 200

Aquatic arthropods belonging to this class breathe through gills.

Balochistan Mock 4
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Insects
Show Explanation
B) Arachnids
Show Explanation
C) Crustaceans
Show Explanation
D) Arachnids and crustaceans
Show Explanation

160 / 200

Which one of the following is common to all neurons?

Balochistan Mock 4
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) A cell body which contains a nucleus
Show Explanation
B) A thick myelin sheath
Show Explanation
C) Presence of node of Ranvier
Show Explanation
D) Presence of Schwann cells
Show Explanation

161 / 200

Which of the following statement was not explained by Darwin’s theory?

Balochistan Mock 4
Biology
Evolution
A) The significance of minute variations
Show Explanation
B) Presence of vestigeal or useless organs
Show Explanation
C) The presence of over specialized organs
Show Explanation
D) All of the above
Show Explanation

162 / 200

A common polyhedral capsid shape of viruses is a?

Balochistan Mock 4
Biology
Bio-diversity | Variety of Life
A) Icosahedron
Show Explanation
B) Pentagon
Show Explanation
C) Cube
Show Explanation
D) Pyramid
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163 / 200

A _____ is a junction between two neurons or between a motor neuron and a muscle cell:

Balochistan Mock 4
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Impulse
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B) Synapse
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C) Axon
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D) Cleft
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164 / 200

The loss of liquid via the hydathodes is called:

Balochistan Mock 4
Biology
Transport
A) Ascent of sap
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B) Guttation
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C) Plamolysis
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D) Imbition
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165 / 200

Which of the following sections of a sarcomere does not shorten during contraction?

Balochistan Mock 4
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) I band
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B) H zone
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C) A band
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D) None of these
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166 / 200

Nicotinamide adenine dinucleotide is an example of:

Balochistan Mock 4
Biology
Biological Molecules
Nucleic Acids
A) Coenzymes
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B) Holoenzymes
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C) None of these
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D) Both of these
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167 / 200

Proteins are the polymers of?

Balochistan Mock 4
Biology
Biological Molecules
Proteins
A) Amino acids
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B) Fatty acids
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C) Nucleotides
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D) None of these options is correct
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168 / 200

Haemophilia occurs because of:

Balochistan Mock 4
Biology
Variation and Genetics
Inherited Diseases
A) Mutation in an autosome
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B) Mutation of Y-chromosome
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C) Mutation of X-chromosome
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D) Deficiency of iron
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169 / 200

Salamander belongs to which of the following class?

Balochistan Mock 4
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Pisces
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B) Aves
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C) Reptiles
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D) Amphibians
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170 / 200

The reduction of nitrile produced a compound of formula C3H7NH2. Which one of the following compounds would be produced if the same nitrile was hydrolyzed by heating with dilute hydrochloric acid?

Balochistan Mock 4
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) CH3CONH2
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B) CH3CH2NH2
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C) (CH3)2CHCO2H
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D) CH3CH2CO2H
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171 / 200

The radial symmetry is found in the animals of which of the following?

Balochistan Mock 4
Biology
Kingdom Animalia
Grade Radiata & Grade Bilateria
A) Protozoa
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B) Porifera
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C) Cnidaria
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D) All of these
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172 / 200

Which of the following diseases is sexually transmitted?

Balochistan Mock 4
Biology
Bio-diversity | Variety of Life
A) Tuberculosis
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B) AIDS
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C) Dengue Fever
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D) Cholera
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173 / 200

Inactive enzyme precursors such as pepsinogen for pepsin are called as:

Balochistan Mock 4
Biology
A) Holoenzymes
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B) Actinases
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C) Zymogens
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D) Mucopolysaccharides
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174 / 200

Which of the following is made up of an afferent pathway from a receptor and an efferent pathway to an effector?

Balochistan Mock 4
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Nerve cell
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B) Reflex arc
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C) Receptor cells
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D) Mixed nerve
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175 / 200

Coccobacillus has a shape similar to which of the following?

Balochistan Mock 4
Biology
Kingdom Prokaryote
Shape of Bacteria
A) Rod
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B) Egg
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C) Ball
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D) None of these
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176 / 200

Coelom that develops from the archenteron as outpouching is?

Balochistan Mock 4
Biology
Kingdom Animalia
Classification according to Coelem
A) Pseudocoelom
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B) Schizocoelom
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C) Enterocoelom
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D) Both a and b
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177 / 200

What is the strengthening material of the prokaryotic cell wall?

Balochistan Mock 4
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Cellulose
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B) Chitin
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C) Silica waxes and lignin
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D) Peptidoglycan or murein
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178 / 200

As an excretory organ, liver:

Balochistan Mock 4
Biology
Homeostasis
Excretion in Animals
A) Detoxifies many chemical poisons
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B) Breaks down ammonia for excretion by the kidneys
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C) Produces urea and uric acids from the nitrogen of amino acids
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D) All of the above
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179 / 200

Enzymes work by which of the following?

Balochistan Mock 4
Biology
A) Increasing the activation energy
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B) Reducing the activation energy
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C) Making exergonic reactions endergonic
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D) Making endergonic reactions exergonic
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180 / 200

What is the major cell infected by the AIDS HIV Virus?

Balochistan Mock 4
Biology
Bio-diversity | Variety of Life
A) Lymphocytes
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B) Cancer cells
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C) Stem cells
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D) T lymphocytes
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181 / 200

What is an example of sperms of liverworts, mosses, ferns which move towards archegonia, in response to nucleic acid released by the ovum?

Balochistan Mock 4
Biology
Support and Movement
Support & Movement in Plants
A) Chemotropic movement
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B) Chemonastic movement
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C) Haptonastic movement
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D) Chemotactic movement
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182 / 200

According to lvanovski, what are soluble living germs?

Balochistan Mock 4
Biology
Bio-diversity | Variety of Life
A) Bacteria
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B) Viruses
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C) Fungi
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D) Both A and B
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183 / 200

Which traits are most likely to affect men than women?

Balochistan Mock 4
Biology
Variation and Genetics
Mendelian Inheritance
A) X linked recessive
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B) X linked dominant
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C) Autosomal dominant
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D) Autosomal recessive
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184 / 200

Which statement correctly outlines some of the main events in photosynthesis?

Balochistan Mock 4
Biology
Bioenergetics
Introduction to Photosynthesis
A) A 5-Carbon carbohydrate accepts carbon dioxide and is then reduced by NADPH derived from photophosphorylation
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B) A 3-Carbon carbohydrate is regenerated and reduced by hydrogen molecules derived from photophosphorylation
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C) Photolysis uses light to produce reduced NADP and oxygen which are used to reduce a 3-Carbon carbohydrate
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D) Photolysis produces NADPH and ATP which are used to reduce a 5-Carbon carbohydrate
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185 / 200

In Anaerobic respiration, how much % of the energy, present within the chemical bond of glucose, is converted into ATP?

Balochistan Mock 4
Biology
Bioenergetics
Anaerobic Respiration
A) 2
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B) 4.5
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C) 5.6
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D) 7.7
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186 / 200

Which one of the following are “myogenic” type of muscles?

Balochistan Mock 4
Biology
Support and Movement
Types of Muscles
A) Glandular muscles
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B) Cardiac muscles
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C) Skeletal muscles
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D) Smooth muscles
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187 / 200

In uncompetitive inhibition, the inhibitor binds with:

Balochistan Mock 4
Biology
A) Enzyme
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B) Substrate
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C) ES-complex
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D) All of these options are correct
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188 / 200

For attachment, rabies virus binds to a

Balochistan Mock 4
Biology
Bio-diversity | Variety of Life
A) Complement receptor

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B) Integrin ICAM-1
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C) Acetylcholine
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D) Epidermal growth factor
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189 / 200

If both the alleles are same with respect to genes, then they are called?

Balochistan Mock 4
Biology
Variation and Genetics
Mendelian Inheritance
A) Heterozygous
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B) Unicellular
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C) Homozygous
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D) None of these
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190 / 200

Which of these structures transports sperm from the testis to the penis?

Balochistan Mock 4
Biology
Reproduction
Reproduction in Males
A) Sperm duct
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B) Scrotum
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C) Urethra
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D) Gamete
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191 / 200

Which of these is a characteristic of prokaryotic cells?

Balochistan Mock 4
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Absence of membrane bound cell organelles
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B) Presence of 70S ribosomes
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C) Both Options A and B are correct
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D) None of these
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192 / 200

The hinge joint and ball and socket joints are the types of

Balochistan Mock 4
Biology
Support and Movement
Types of Joints
A) Freely movable joints
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B) Slightly movable joints
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C) Immovable joints
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D) None of these
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193 / 200

Which one of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving ovulation with the breakdown and loss of the lining of the uterus?

Balochistan Mock 4
Biology
Reproduction
Reproduction in Females
A) Ovulation
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B) Menstrual cycle
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C) Uterine cycle
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D) Embryo formation
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194 / 200

What are the subunits of capsids?

Balochistan Mock 4
Biology
Bio-diversity | Variety of Life
A) Capsomeres
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B) Flagella
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C) Hyphae
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D) September
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195 / 200

Which one of the following muscles are considered as “Voluntary muscles”?

Balochistan Mock 4
Biology
Support and Movement
Types of Muscles
A) Smooth muscles
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B) Cardiac muscles
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C) Skeletal muscles
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D) Glandular muscles
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196 / 200

Which of the following is not associated with the process of respiration?

Balochistan Mock 4
Biology
Gaseous Exchange
Respiratory System of Man
A) Lungs
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B) Gills
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C) Bladder
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D) Trachea
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197 / 200

Sycon is an example of:

Balochistan Mock 4
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Platyhelminthes
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B) Annelida
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C) Protozoa
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D) Porifera
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198 / 200

Which of the following hormones of the pituitary gland regulates the menstrual cycle?

Balochistan Mock 4
Biology
Reproduction
Reproduction in Females
A) Follicle Stimulating hormone and Estrogen
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B) Luteinizing hormone and Estrogen
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C) Follicle Stimulating hormone and Luteinizing hormone
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D) Estrogen and Progesterone
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199 / 200

When both the alleles of a gene pair are same, the organism is said to be:

Balochistan Mock 4
Biology
Variation and Genetics
Mendelian Inheritance
A) Heterozygous
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B) Genotype
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C) Homozygous
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D) Phenotype
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200 / 200

Which of the following wavelength is absorbed maximum for photosynthesis?

Balochistan Mock 4
Biology
Bioenergetics
Photosynthetic pigments
A) 660 nm
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B) 680 nm
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C) 440 nm
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D) 700 nm
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