Dependent Causes/ Independent Causes:

I. PTI was not satisfied with the election results of Sindh assembly, when it did not get a single seat.

II. PTI has replaced the chief minister of Sindh.

Punjab Mock 3
Logical Reasoning
Logical Problems
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 statements I and II are independent causes
Show Explanation
D) Both statements I and II are the effects of independent cause
Show Explanation

Asiya goes 30 km towards North from a fixed point, then after turning to her right she goes another 15 km. Then she takes another right and goes 30km. How far and in what direction is she from her starting point?

Punjab Mock 3
Logical Reasoning
Critical Thinking
A) 10 km east
Show Explanation
B) 15 km east
Show Explanation
C) 20 km east
Show Explanation
D) 25 km east
Show Explanation

Only one meaningful word can be formed by rearranging the letters of the given jumbled word. Find out that word.

MUSPOPAPOTIH

Punjab Mock 3
Logical Reasoning
A) METAMORPHIC
Show Explanation
B) PHILANTHROPIST
Show Explanation
C) HIPPOCAMPUS
Show Explanation
D) HIPPOPOTAMUS

I. Ms. Kulsoom labelled Mr. Waleed a deserter.
II. Ms. Kulsoom offered an apology.

Punjab Mock 3
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 statements I and II are independent causes
Show Explanation
D) Both statements I and II are the effects of independent cause.
Show Explanation

Children are in pursuit of a dog whose leash has broken. James is directly behind the dog. Ruby is behind James. Rachel is behind Ruby. Max is ahead of the dog walking down the street in the opposite direction. As the children and dog pass, Max turns around and joins the pursuit. He runs in behind Ruby. James runs faster and is alongside the dog on the left. Ruby runs faster and is alongside the dog on the right. Which child is directly behind the clog?

Punjab Mock 3
Logical Reasoning
Logical Problems
A) James
Show Explanation
B) Ruby
Show Explanation
C) Rachel
Show Explanation
D) Max
Show Explanation

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

Punjab Mock 3
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

Choose the correct sentence from the following options:

Punjab Mock 3
English
Tenses and Sentence Structure
A) In a short while quiet a large crowd had been collected.
Show Explanation
B) In a short while quite a large crowd had collected.
Show Explanation
C) In a short while quite large crowd had collected.
Show Explanation
D) In a short while quite the large crowd had been collecting.
Show Explanation

Choose the BEST Option.
It is better for me to _______ than to shed the blood of an innocent boy.

Punjab Mock 3
English
Fill in the blank
A) Died
Show Explanation
B) Die
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C) Had died
Show Explanation
D) Have died
Show Explanation

I ______ caution in interpreting these results.

Punjab Mock 3
English
Fill in the blank
A) Urge
Show Explanation
B) Usher
Show Explanation
C) Usurp
Show Explanation
D) Uproot
Show Explanation

Select the incorrect segment:

Punjab Mock 3
English
Identify errors in sentence
A) Raising
Show Explanation
B) Much
Show Explanation
C) Demands
Show Explanation
D) Away
Show Explanation

The younger sister hopes to emulate her elder sister’s sporting achievement as she is putting up hectic effort.

Punjab Mock 3
English
Identify errors in sentence
A) To
Show Explanation
B) Sister’s
Show Explanation
C) Achievement
Show Explanation
D) Up
Show Explanation

Choose the correct sentence from the following options:

Punjab Mock 3
English
Grammar and Punctuation
A) There was much cheering and singing and bread fighting across the dining hall.

Show Explanation
B) There was much cheering and singing and a bread fight across the dining hall
Show Explanation
C) There was more cheer and singing and a bread fighting across the dining hall.
Show Explanation
D) There was much cheer and singing and bread fighting across the dining hall.

Show Explanation

Choose the correct sentence from the following options:

Punjab Mock 3
English
Tenses and Sentence Structure
A) In a short while quiet a large crowd had been collected.
Show Explanation
B) In a short while quite a large crowd had collected.
Show Explanation
C) In a short while quite large crowd had collected.
Show Explanation
D) In a short while quite the large crowd had been collecting.
Show Explanation

Select the incorrect segment:
The patient’s blood analysis shows that there is a big number of amorphous cells which are quiet unidentifiable.

Punjab Mock 3
English
Identify errors in sentence
A) Patient’s
Show Explanation
B) Of
Show Explanation
C) Which
Show Explanation
D) Quiet
Show Explanation

The culpable child _____ some words to her mother for pardoning his delinquency.

Punjab Mock 3
English
Fill in the blank
A) Mumbled
Show Explanation
B) Showy
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C) Rude
Show Explanation
D) Crazy
Show Explanation

She might be forgiven for __________ beneath the pressure.

Punjab Mock 3
English
Tenses and Sentence Structure
A) Undertaking
Show Explanation
B) Extricating
Show Explanation
C) Buckling
Show Explanation
D) Resounding
Show Explanation

Select the incorrect segment:
Your argument is simply abstruse as there is no clarity of thought and coherence in ideas and it also lack vision.

Punjab Mock 3
English
Identify errors in sentence
A) Is
Show Explanation
B) Of
Show Explanation
C) In
Show Explanation
D) Lack
Show Explanation

Identify the MISTAKE in the following question:
When he was a child, every time he were naughty, his foster-mother used to threaten to send him to Timbuktu.

Punjab Mock 3
English
Identify errors in sentence
A) He was
Show Explanation
B) He were
Show Explanation
C) Used to
Show Explanation
D) To send him
Show Explanation

Select the incorrect segment:

Punjab Mock 3
English
Identify errors in sentence
A) Discarded
Show Explanation
B) As
Show Explanation
C) There
Show Explanation
D) For
Show Explanation

Choose the BEST Option.
The region ______ which they were passing was known as the Land of Thirst and Death.

Punjab Mock 3
English
Fill in the blank
A) Through
Show Explanation
B) By
Show Explanation
C) In
Show Explanation
D) From
Show Explanation

The disease is uncurable without the judicious use of antibiotics.

Punjab Mock 3
English
Identify errors in sentence
A) Uncurable
Show Explanation
B) Without
Show Explanation
C) Judicious
Show Explanation
D) Use
Show Explanation

The delegates in Anatolia could transfer their activities to Istanbul, put Mustafa Kamal’s ideas into practice and yet not longer stand in opposition to the Padishah.

Punjab Mock 3
English
Identify errors in sentence
A) In
Show Explanation
B) To
Show Explanation
C) Into
Show Explanation
D) Not longer
Show Explanation

She ___________ about the excitement of hearing the news of her sister’s wedding.

Punjab Mock 3
English
Fill in the blank
A) Ran
Show Explanation
B) Jigged
Show Explanation
C) Talked
Show Explanation
D) Wept
Show Explanation

Choose the CORRECT option:

Punjab Mock 3
English
Tenses and Sentence Structure
A) Are you noticed the peach blossoms?
Show Explanation
B) Have you noticed the peach blossoms?
Show Explanation
C) Will you noticed the peach blossoms?
Show Explanation
D) Were you noticed the peach blossoms?
Show Explanation

Arshad is driving down 7th street, he drives 150m in 18s.
Assume he does not speed up or slow down, what is his speed:

Punjab Mock 3
Physics
Forces and Motion
A) 0.38m/s
Show Explanation
B) 126m/s
Show Explanation
C) 8.33m/s
Show Explanation
D) 58.33m/s
Show Explanation

An oscillating body is at mean position at t = 0. At t = T/4 it will be at:

Punjab Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) Extreme position
Show Explanation
B) Mean position
Show Explanation
C) Between extreme and mean position
Show Explanation
D) Beyond extreme position
Show Explanation

Isobaric processes occur at:

Punjab Mock 3
Physics
Heat and Thermodynamics
A) Constant temperature
Show Explanation
B) Constant pressure
Show Explanation
C) Constant volume
Show Explanation
D) Constant temperature and constant pressure
Show Explanation

CH3CN + HCl → A + B (in the presence of water)
In the reaction given above, A and B are

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Acetic acid and acid amide
Show Explanation
B) Acetic acid and ammonia
Show Explanation
C) Acetic acid and methyl chloride
Show Explanation
D) Acetic acid and ammonium chloride
Show Explanation

Which one of the following is a non-conservative force?

Punjab Mock 3
Physics
Work, Power & Energy
A) Electric force
Show Explanation
B) Elastic spring force
Show Explanation
C) Gravitational force
Show Explanation
D) Frictional force
Show Explanation

The Coulomb’s force between two point charges q1=1C and q2 is 2N. Where the distance between them is 3m, the charge q2 is:

Punjab Mock 3
Physics
Electrostatics
Columbs Law
A) 1 x 10-9 C
Show Explanation
B) 1 x 109 C
Show Explanation
C) 2 x 10-9C
Show Explanation
D) 4 x 10-9 C
Show Explanation

A block moves in uniform circular motion because a cord tied to the block is anchored at the centre of a circle. Then the power of the force exerted on the block by the cord is:

Punjab Mock 3
Physics
Circular Motion & Momentum
A) Positive
Show Explanation
B) Negative
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C) Zero
Show Explanation
D) Infinite
Show Explanation

A heat engine operating according to the second law of thermodynamics rejects one fourth of the heat taken from a high temperature reservoir. What is the percentage efficiency of a heat engine?

Punjab Mock 3
Physics
Heat and Thermodynamics
Heat Engine
A) 100%
Show Explanation
B) 25%
Show Explanation
C) 50%
Show Explanation
D) 75%
Show Explanation

Flow speed of the fluid through a non-uniform pipe increases from 1 m/sec to 3 m/sec. If change in P.E. is zero, then pressure difference between two points will be: (density of the fluid = 1000 kg/m3)

Punjab Mock 3
Physics
Fluid Dynamics
Fluid Flow
Terminal Velocity
A) 1000 N/m2
Show Explanation
B) 9000 N/m2
Show Explanation
C) 8000 N/m2
Show Explanation
D) 4000 N/m2
Show Explanation

Which relation exactly described the isothermal process?

Punjab Mock 3
Physics
Heat and Thermodynamics
A) Q = W
Show Explanation
B) W = -ΔU
Show Explanation
C) Q = -ΔU
Show Explanation
D) Q = ΔU + W
Show Explanation

The life time of an electron in an excited state is about 10-8 s. What is its uncertainty in energy during this time?

Punjab Mock 3
Physics
Dawn of Modern Physics
A) 1.05 x 10-41 J
Show Explanation
B) 1.05 x 10-26 J
Show Explanation
C) 1.15 x 1010 J
Show Explanation
D) 2.19 x 10-40 J
Show Explanation

A force ‘F’ is acting at point ‘P’ of a uniform rod capable of rotating about ‘O’. What is the torque about ‘O’?

Punjab Mock 3
Physics
Circular Motion & Momentum
A) (OP)(F tanϴ)
Show Explanation
B) (OP)(F)
Show Explanation
C) (OP)(F sinϴ)
Show Explanation
D) (OP)(F cosϴ)
Show Explanation

A wire of resistance 4Ω is bent in the form of a circle. The resistance between the ends of any diameter is:

Punjab Mock 3
Physics
Current Electricity
Ohms Law
A) 1 Ω
Show Explanation
B) 2 Ω
Show Explanation
C) 4 Ω
Show Explanation
D) 8 Ω
Show Explanation

A 5 watt LED bulb converts 80% of the power into light photons wavelength 660 nm. What is the number of photons emitted from the bulb in one second.

Punjab Mock 3
Physics
Dawn of Modern Physics
A) 5.8 x 1034
Show Explanation
B) 7.5 x 1018
Show Explanation
C) 6.6 x 107
Show Explanation
D) 1.3 x 1019
Show Explanation

In the diagram below, the displacement of an oscillating particle is plotted against time. What does the length ‘PR’ on the time axis represent?

Punjab Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) Twice the frequency
Show Explanation
B) Half the period
Show Explanation
C) Half the frequency
Show Explanation
D) Twice the period
Show Explanation

If ‘m’ is the mass, ‘c’ is the velocity of light and x = mc2, then dimensions of ‘x’ will be:

Punjab Mock 3
Physics
Dawn of Modern Physics
A) [LT-1]
Show Explanation
B) [ML2T-2]
Show Explanation
C) [MLT-1]
Show Explanation
D) [MLT-2]
Show Explanation

A wire is stretched by a force ‘F’ which causes an extension ∆l, the energy stored in the wire is:

Punjab Mock 3
Physics
Physics of Solids
A) F∆l
Show Explanation
B) 2F∆l
Show Explanation
C) ½ F∆l2
Show Explanation
D) ½ F∆l
Show Explanation

If the velocity of the body changes by equal amount in equal intervals of time, the body is said to have:

Punjab Mock 3
Physics
Forces and Motion
A) Variable acceleration
Show Explanation
B) Uniform acceleration
Show Explanation
C) Uniform velocity
Show Explanation
D) Negative acceleration
Show Explanation

Velocity of electron moving in first orbit of hydrogen is

Punjab Mock 3
Physics
Atomic Spectra
A) 2.19 x 107 m/sec
Show Explanation
B) 2.18 x 107 m/sec
Show Explanation
C) 2.2 x 108 m/sec
Show Explanation
D) 2.19 x 106 m/sec
Show Explanation

Coulomb’s law is given by the formula:

F=kq1q2/ r2
The magnitude of k having the unit of Nm2C-2for free space is equal to

Punjab Mock 3
Physics
Electrostatics
A) 9 x 107
Show Explanation
B) 6 x 107
Show Explanation
C) 10 x 109
Show Explanation
D) 9 x 109
Show Explanation

In a radioactive phenomenon observation shown in figure where α deviates lesser than β in some electric or magnetic field (not shown in figure). What is the reason for less deviation of?

Punjab Mock 3
Physics
Nuclear Physics
Radioactivity
A) α is charged particle
Show Explanation
B) α is neutral particle
Show Explanation
C) α is heavier particle
Show Explanation
D) α is lighter particle
Show Explanation

What will be the effect on the capacitance of a capacitor if area of each plate is doubled while separation between the plates is halved?

Punjab Mock 3
Physics
Electrostatics
Capacitor
A) Capacitance remains same
Show Explanation
B) Capacitance becomes double
Show Explanation
C) Capacitance becomes four times
Show Explanation
D) Capacitance reduces to half
Show Explanation

The ratio of displacement along diameter of circle and total distance along circle is:

Punjab Mock 3
Physics
Forces and Motion
A) 1:π
Show Explanation
B) π:1
Show Explanation
C) 2:π
Show Explanation
D) Π:2
Show Explanation

The kinetic energy K.E. with which the electron strikes the target is given by:

Punjab Mock 3
Physics
Dawn of Modern Physics
A) K.E. = e2V
Show Explanation
B) K.E. = hc/λ
Show Explanation
C) K.E. = hf2
Show Explanation
D) K.E. = eV
Show Explanation

If a force of 12 N acts on a car and changes its momentum from 36 kgm/sec to 60 kgm/sec, the time during which this change occurs will be

Punjab Mock 3
Physics
Forces and Motion
A) 24 sec
Show Explanation
B) 2 sec
Show Explanation
C) 12 sec
Show Explanation
D) 8 sec
Show Explanation

When the length of a simple pendulum is doubled, find the ratio of the new frequency to the old frequency?

Punjab Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) 1/4
Show Explanation
B) 1/2
Show Explanation
C) √2
Show Explanation
D) 1/√2
Show Explanation

If an electron in the ‘K’ shell is removed and an electron from ‘L’ shell jumps to occupy the hole in the ‘K’ shell, it emits a photon of energy:

Punjab Mock 3
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) hfKα = EL – EK
Show Explanation
B) hc = EL – EK
Show Explanation
C) h/λKα = EL – EK
Show Explanation
D) hfKα = EK – EL
Show Explanation

‘F’ is maximum force acting on a conductor. Now if we change the direction of conductor by making an angle of 45° with the magnetic field then the force becomes:

Punjab Mock 3
Physics
Magnetism and Electromagnetic Induction
A) F/2
Show Explanation
B) 2F
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C) F/√2
Show Explanation
D) √2 F
Show Explanation

Resistance between two opposite faces of square thin film of area 1 mm2 having thickness of 1 μm if resistivity of material is 10-6 Ω will be:

Punjab Mock 3
Physics
Current Electricity
Ohms Law
A) 1000 Ω
Show Explanation
B) 100 Ω
Show Explanation
C) 1 Ω
Show Explanation
D) 10 Ω
Show Explanation

Which of the following gives the relationship between linear velocity and angular velocity?

Punjab Mock 3
Physics
Circular Motion & Momentum
A) v = rω
Show Explanation
B) v = rθ
Show Explanation
C) v=sω
Show Explanation
D) v=sθ
Show Explanation

In mass spring system mass ‘m’ is attached with spring of spring constant ‘k’ with time period ‘T1’..Then the mass is replaced by ‘2m’ with same spring, what is the time period ‘T2’

Punjab Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) T2=T1
Show Explanation
B) T2=2T1
Show Explanation
C) T2=√2T1
Show Explanation
D) T2=T1/(√2)
Show Explanation

In a practical transformer mutual induction between primary and secondary coils takes place. In such transformer what can be deduced about the power.

Punjab Mock 3
Physics
Magnetism and Electromagnetic Induction
Transformers
A) Power output = Power input
Show Explanation
B) Power output > Power input
Show Explanation
C) Power output ≥ Power input
Show Explanation
D) Power output < Power input Show Explanation

If a force of magnitude 8 N acts on a body in direction making an angle 30, its x and y components will be:

Punjab Mock 3
Physics
Forces and Motion
A) Fx = 4√3 and Fy = 8
Show Explanation
B) Fx = 8 and Fy = 4√3
Show Explanation
C) Fx = 4√3 and Fy = 4
Show Explanation
D) Fx = 8√3 and Fy = 4
Show Explanation

When the source of sound moves towards the stationary observer, the value of apparent frequency ‘fo’ is:

Punjab Mock 3
Physics
Wave Motion and Sound
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

If general equation for destructive interference’s is given by the relation, Optic path difference = (m +½) λ where ‘m’ is an integer, then the first dark fringe which appears from ’m’ will be equal to:

Punjab Mock 3
Physics
A) 23
Show Explanation
B) 12
Show Explanation
C) 0
Show Explanation
D) 1
Show Explanation

Force is a derived quantity, its derived unit can be expressed in terms of the base units as:

Punjab Mock 3
Physics
Measurements
Physical Quantities
A) Kgms-2
Show Explanation
B) Kgcms-2
Show Explanation
C) Kgm2s2
Show Explanation
D) Kgms2
Show Explanation

In the half-life of an element, the equation for the number of decaying atoms is given by:

Punjab Mock 3
Physics
Nuclear Physics
A) ΔN ∝ -NΔt
Show Explanation
B) ΔN = KNΔt
Show Explanation
C) ΔN ∝ -nΔt
Show Explanation
D) ΔN = -ΔNΔt
Show Explanation

The principle of homogeneity of dimensions determines

Punjab Mock 3
Physics
A) Only variable in the equation
Show Explanation
B) Only constant in the equation
Show Explanation
C) Correctness of an equation
Show Explanation
D) Constant and variable in the equation
Show Explanation

What is the instantaneous power dissipated through a resistor of resistance 10 ohm if it is connected to an AC source of frequency 15 Hz at 1/180 sec if peak value is 20 V?

Punjab Mock 3
Physics
Alternating Current
A) 10 W
Show Explanation
B) 100 W
Show Explanation
C) 40 W
Show Explanation
D) Cannot be determined
Show Explanation

Work done, due to centripetal force, for circular motion will be:

Punjab Mock 3
Physics
Circular Motion & Momentum
A) Reduced
Show Explanation
B) Zero
Show Explanation
C) Maximum
Show Explanation
D) Half
Show Explanation

In the shown figure, calculate the total work done on the gas when it is transformed from state a to state c, along the path indicated?

Punjab Mock 3
Physics
Heat and Thermodynamics
A) 1, 500 J
Show Explanation
B) 3, 000 J
Show Explanation
C) 4, 500 J
Show Explanation
D) 5, 000 J
Show Explanation

A radioactive nuclide decays by emitting an alpha particle, a beta particle and a gamma ray photon, the change in the nucleon number will be:

Punjab Mock 3
Physics
Nuclear Physics
Radioactivity
A) -4
Show Explanation
B) -1
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C) -2
Show Explanation
D) -3
Show Explanation

Which of the following compounds, in the form of aqueous solution, on reaction with sodium carbonate will produce carbon dioxide gas?

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) H3C-COO-C2H5
Show Explanation
B) H3C2-COO-CH3
Show Explanation
C) H3C2-CO-OH
Show Explanation
D) H3C2-COO-C2H5
Show Explanation

A wheel of radius 1m covers an angular displacement of 180.Its linear displacement is:

Punjab Mock 3
Physics
Circular Motion & Momentum
A) 3.14 m
Show Explanation
B) π rad
Show Explanation
C) 6.28 m
Show Explanation
D) 0.157 m
Show Explanation

If one mole of an ideal gas is heated at constant pressure, then the first law of thermodynamics can be written as:

Punjab Mock 3
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) CpΔT = CvΔT + PΔV
Show Explanation
B) CvΔT = CpΔT + PΔV
Show Explanation
C) CpΔT = CvΔT + VΔP
Show Explanation
D) ΔCpT = ΔCvT + PΔV
Show Explanation

The consumption of energy by 60-watt bulb in 2 seconds is:

Punjab Mock 3
Physics
Current Electricity
A) 20 J
Show Explanation
B) 120 J
Show Explanation
C) 30 J
Show Explanation
D) 0.02 J
Show Explanation

The relation ‘PV = nRT’ shows which law of physics:

Punjab Mock 3
Physics
Heat and Thermodynamics
A) Charles Law
Show Explanation
B) Avogadro’s Law
Show Explanation
C) Newton’s Constant
Show Explanation
D) Ideal Gas Law
Show Explanation

The ionization energy of hydrogen atom is :

Punjab Mock 3
Chemistry
Chemical Bonding
A) Zero
Show Explanation
B) 13.13 kJmol-1
Show Explanation
C) 1313.31 kJmol-1
Show Explanation
D) 1313.31 k2Jmol
Show Explanation

Halogens are being used as fire extinguishers, mild antiseptic CFCs and many other organic chemicals, Which of the following halogen is used to kill the bacteria in drinking water.

Punjab Mock 3
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) Bromine
Show Explanation
B) Fluorine
Show Explanation
C) Chlorine
Show Explanation
D) Iodine
Show Explanation

The standard enthalpy of solution of NH4Cl is ____________ kJmol-1.

Punjab Mock 3
Chemistry
Thermochemistry
A) +16.2
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B) -25.0
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C) +4.98
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D) +26.0
Show Explanation

3.0 mole of Calcium will contain _____ g of Calcium.

Punjab Mock 3
Chemistry
Stoichiometry
Mole
A) 105 g
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B) 120 g
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C) 80 g
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D) 100 g
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2A + B → Product

If the reactant ‘B’ is in excess, the order of reaction with respect to ‘A’ in given rate law, Rate = k[A]2[B] is

Punjab Mock 3
Chemistry
Reaction Kinetics
Order of reaction and its determination
A) 2nd order reaction
Show Explanation
B) 1st order reaction
Show Explanation
C) Pseudo 1st order reaction
Show Explanation
D) 3rd order reaction
Show Explanation

Which of the following catalysts is used in the below reaction?

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Conc. H2SO4
Show Explanation
B) Purnice stone
Show Explanation
C) Pt
Show Explanation
D) Ni
Show Explanation

.Select the best option indicating the name of the structure given below

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Cation
Show Explanation
B) Neutral Amino Acid
Show Explanation
C) Internal Salt
Show Explanation
D) Anion
Show Explanation

In the structure of NaCl, each Na+ is surrounded by _____ Cl- ions.

Punjab Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
A) Four
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B) Eight
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C) Five
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D) Six
Show Explanation

Butane molecules can have a maximum number of isomers.

Punjab Mock 3
Chemistry
Hydrocarbons
Alkanes and Paraffins
A) 5
Show Explanation
B) 3
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C) 4
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D) 2
Show Explanation

Grignard reagents are prepared by the reaction of magnesium metal with alkyl halides in the presence of

Punjab Mock 3
Chemistry
Alkyl Halides and Amines
A) Dry Ether
Show Explanation
B) Sodium Lead Alloy
Show Explanation
C) Alcohol
Show Explanation
D) Water
Show Explanation

A researcher has prepared a sample of 1-bromopropane from 10g of 1-propanol. After purification he had made 12g of product. Which of the following is percentage yield?

Punjab Mock 3
Chemistry
Stoichiometry
Theoretical Yield, Actual Yield and Percentage Yield
A) 60%
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B) 58%
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C) 90%
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D) 50%
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An organic compound has the empirical formula C3H3O if the molar mass of the compound is 110.15 g.mol-1. The molecular formula of this organic compound is: (A, of C=12, H=1.008
and O=16)

Punjab Mock 3
Chemistry
Stoichiometry
Mole
A) C6H6O2
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B) C3H3O
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C) C9H9O3
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D) C6H6O3
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Alcohol in which carbon atom bonded to OH group is further attached with three alkyl group is:

Punjab Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) Tertiary alcohol
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B) Primary alcohol
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C) Aromatic alcohol
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D) Secondary alcohol
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Which one of the following reactions shows combustion of a saturated hydrocarbon?

Punjab Mock 3
Chemistry
Hydrocarbons
Alkanes and Paraffins
A) C2H4 + 3O2 → 2CO2 + 2H2O
Show Explanation
B) CH4 + 2O2 → CO2 + 2H2O
Show Explanation
C) CH4 + ½ O2 → CH3OH (Conditions:Cu, 400°C, 200 atm)
Show Explanation
D) C2H2 + 5/2 O2 → 2CO2 + H2O
Show Explanation

Study the following graphs for the boiling points of some substances

Which of the above graph shows that some members of the graph have hydrogen bonding:

Punjab Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
A) I + IV
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B) II + IV
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C) III + IV + V
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D) I + II + III
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The following dipeptide is called:

Punjab Mock 3
Chemistry
Macromolecules
A) Glycyl glycine
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B) Glycyl alanine
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C) Alaninyl alanine
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D) Alaninyl glycine
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Which one of the following is an appropriate structure of product of bromination?

Punjab Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) Option A
Show Explanation
B) Option B
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C) Option C
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D) Option D
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The average bond energy of C-Br is

Punjab Mock 3
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) 228 kJmol-1
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B) 200 kJmol-1
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C) 250 kJmol-1
Show Explanation
D) 290 kJmol-1

Keeping inview the values of standard reduction potential given above, which one of the following would you select as a feasible redox chemical reaction?

Punjab Mock 3
Chemistry
Electrochemistry
Redox Equations
A) Cl- + I2 -> Cl2 + 2I-
Show Explanation
B) Cu + Zn2+ -> Cu2+ + Zn
Show Explanation
C) Mg + 2H + -> Mg2+ + H2
Show Explanation
D) 2Au + 6H+ -> 2Au3+ + 3 H2
Show Explanation

It is the general formula of:

Punjab Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) 2, 4-Dinitrophenyl hydrazine
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B) 1, 3-Dinitrophenyl hydrazone
Show Explanation
C) Phenyl hydrazone
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D) 2, 4-Dinitrophenyl hydrazone
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Ethanol reacts with HCN to form cyanohydrin. This is an example of:

Punjab Mock 3
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Nucleophilic addition
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B) Electrophilic addition
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C) Electrophilic substitution
Show Explanation
D) Nucleophilic substitution
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Which of the following compounds is responsible for the depletion of ozone layer?

Punjab Mock 3
Chemistry
Environmental Chemistry
Chemistry of Troposphere and Stratosphere
A) Chlorofluorocarbons
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B) Carbon tetrachlorie
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C) Methane
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D) Hydroflorocarbons
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Which option shows all the molecules with bond angle 109.5 degrees.

Punjab Mock 3
Chemistry
Chemical Bonding
VSEPR Theory
A) CH4, NH4+ , PH3
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B) SiCl4, H2O , BeCl2
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C) SiCl4, NH4+ , CH4
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D) CH4, CCl4, NH3

Which one of the following is anhydride of sulphuric acid?

Punjab Mock 3
Chemistry
s and p Block Elements
A) Sulphur (III) oxide
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B) Sulphur (VI) oxide
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C) Iron pyrite
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D) Sulphur (VI) oxide
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The ionic radius of fluoride ion is:

Punjab Mock 3
Chemistry
s and p Block Elements
A) 72 pm
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B) 95 pm
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C) 136 pm
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D) 157 pm
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Which one of the following is an appropriate indication of positive iodoform test?

Punjab Mock 3
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Formation of H2O
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B) Release of H2 gas
Show Explanation
C) Brick red precipitate
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D) Yellow crystal
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Which one of the following reaction of carboxylic acid is reversible?

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Esterification
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B) Salt formation
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C) Reaction with PCl5
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D) Reaction with SOCl2
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Which of the following reactions is used for the production of alcohols on industrial scale?

Punjab Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) Hydrogenation of alkenes
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B) Hydration of alkenes
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C) Hydrohalogenation of alkenes
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D) Hydroxylation of alkenes
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Dry distillation of a mixture of calcium salts of formic acid and acetic acid results into the formation of

Punjab Mock 3
Chemistry
Aldehydes and Ketones
Preparation of Aldehydes And Ketones
A) Formaldehyde
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B) Acetaldehyde
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C) Calcium acetate
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D) Sodium acetate
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In the formation of Zwitter ion which one of the following donates the proton?

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) COOH
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B) NH2
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C) CH2COO-
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D) OH-
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What will be the exact product?

Punjab Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) Diethyl ether
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B) Methyl propyl ether
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C) Ethyl acetate
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D) Butyl alcohol
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Study the following redox reaction and answer the following question:

10Clˉ +16H+ + 2MnO4ˉ → 5Cl2 + 2Mn2+ + 8H2O

Punjab Mock 3
Chemistry
Electrochemistry
Redox Equations
A) Manganese is oxidized from +7 to +2
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B) Chlorine ions are reduced from -1 to zero
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C) Chlorine is reduced from zero to -1
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D) Manganese is reduced from +7 to +2

The area under the extension-load graph Of an elastic material whose elastic limit has not been exceeded gives its:

Punjab Mock 3
Physics
Work, Power & Energy
A) Stress
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B) Strain energy
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C) Strain
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D) Young modulus
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The number of bonds in nitrogen molecule is

Punjab Mock 3
Chemistry
Chemical Bonding
A) One σ and two π
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B) One σ and one π
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C) Three σ only
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D) Two σ and one π
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SO3 formed in the contact process is absorbed in ________% H2SO2

Punjab Mock 3
Chemistry
s and p Block Elements
A) 90
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B) 80
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C) 98
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D) 89
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Metallic conduction involves the relatively free movement of their _________ throughout the metallic lattice.

Punjab Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
A) Atoms
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B) Molecules
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C) Electrons
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D) Ions
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An object is moving along a circular path of radius 4m. What will be its angular displacement if it moves 14 m on this circular path?

Punjab Mock 3
Physics
Circular Motion & Momentum
A) 5.0 radians
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B) 3.5 radians
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C) 4.5 radians
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D) 5.5 radians
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Heavy nucleus of atoms go through fission so that they can:

Punjab Mock 3
Physics
Nuclear Physics
Nuclear Reactions
A) absorb low amount of energy
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B) absorb high amount of energy
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C) reduce their binding energy nucleon
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D) increase their binding energy per nucleon
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Methanol is prepared from carbon monoxide and hydrogen. The catalyst used for this reaction is

Punjab Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) ZnO + CoO2
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B) ZnO + CuO
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C) ZnO + Ag2O
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D) Cr2O3 + ZnO
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The names of functional groups in the following compound X are:

Punjab Mock 3
Chemistry
Fundamental Principles of Organic Chemistry
Functional Groups
A) Secondary alcohol, nitrile, and phenol ring
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B) Secondary alcohol, amine, and benzene ring
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C) Secondary alcohol, nitrile, and aryl ring
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D) Primary alcohol, nitrile, and benzene ring
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Nitrogen gas reacts under ________ conditions:

Punjab Mock 3
Chemistry
A) Standard
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B) Normal
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C) Cool
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D) Harsh
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In an aqueous solution, amino acids exist in an ionic form as shown below:

This ionic form of amino acid is known as:

Punjab Mock 3
Chemistry
Chemistry of Life
Proteins
A) Zwitterion
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B) Amphoteric ion
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C) Cation
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D) Anion
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The E0 value of the standard copper half cell is 0.34, measured when it is connected with
the SHE i.e. Standard Hydrogen Electrode. In this case the half cell reaction taking place at
SHE is:

Punjab Mock 3
Chemistry
Electrochemistry
A) 2H+(aq) + 2e———> H2(g)
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B) H2(g) ———-> 2H+ (aq) + 2e-
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C) 2H+ (aq) + 2e- ——–> 2H(g)
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D) 2H2- ———-> 2H(g) + 2e-
Show Explanation

A particle, carrying a charge of 5e, falls through a potential difference of 25 V. What would be energy acquired by the particle in ‘J’.

Punjab Mock 3
Physics
Electrostatics
A) 1.6 x 10-19J
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B) 125 J
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C) 125 x 10-19 J
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D) 125 x 1.6 x 10-19 J
Show Explanation

Aqueous solutions of Iodine and Sodium hydroxide were mixed in a round bottom flask at 70 C. Following chemical reaction was carried out.

3I2 + 6 NaOH -> NaIO3 + NaI + H2O
This reaction is termed as;

Punjab Mock 3
Chemistry
Solution and Colloids
Energetics of Solution
A) Redox reaction
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B) Precipitation reaction
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C) Substitution reaction
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D) Free radical reaction
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Mg + 1/2 O2(g) → MgO(g) H=-692 kJmol-1 at STP.

Enthalpy of the above reaction will be called:

Punjab Mock 3
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) ΔH°at
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B) ΔH°s
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C) ΔH°sol
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D) ΔH°f
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Alanine is an aminoacid which shows neutral effect on litmus paper,the formula of alanine may be

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) A
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B) B
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C) C
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D) D
Show Explanation

The charge of one gram of electron is:

Punjab Mock 3
Chemistry
Atomic Structure
A) 1.7588 x 10-11
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B) 1.7588 x 1011
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C) 1.602 x 10-19
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D) 1.7588 x 108
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The type of structural isomerism which arises due to the differences in nature of carbon chains or carbon skeletons is:

Punjab Mock 3
Chemistry
Hydrocarbons
A) Chain isomerism
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B) Position isomeris
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C) Cis-Trans isomerism
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D) Optical isomerism
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During the SN1 reactions, the fast reaction involves:

Punjab Mock 3
Chemistry
Alkyl Halides and Amines
A) Breakage of covalent bond
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B) Formation of carbocation
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C) Transition state
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D) Attack of nucleophile
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Value of Ksp for PbSO4 system at 25 °C is equal to:

Punjab Mock 3
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) 1.6 x 10-5 mol2dm-6
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B) 1.6 x 10-6 mol2dm-6
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C) 1.6 x 10-8mol2dm-6
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D) 1.6 x 10-7 mol2dm-6
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The number of molecules in 22.4 dm3 of H2 gas at 0 °C and 1 atm are

Punjab Mock 3
Chemistry
Stoichiometry
Mole
A) 60.2 x 10^23
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B) 6.02 x 1022
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C) 6.02 x 1025
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D) 6.02 x 1023
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In relation, which quantity is represented by λ?

Punjab Mock 3
Physics
Nuclear Physics
Radioactivity
A) Decay constant
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B) Half life
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C) Activity
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D) Wavelength
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In the below reaction the nucleophile which attacks the carbon atom of acid is:

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) OH-

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B) P
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C) Cl-
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D) H-
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In antibody molecule, two heavy and two light chains are bonded by:

Punjab Mock 3
Chemistry
Macromolecules
A) Disulphide Bond
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B) Monosulphide Bond
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C) Hydrogen Bond
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D) Ionic Bond
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A sample of an organic compound consisting of carbon, hydrogen and oxygen was subjected to combustion analysis. 0.5439g of this compound gave 1.039g of carbon dioxide and 0.63469g of water vapours. The empirical formula of this compound is:

Punjab Mock 3
Chemistry
Introduction to Fundamental Concepts of Chemistry
Analysis of a Compound – Empirical And Molecular Formulas
A) CH2O
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B) C4H12O2
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C) C2H6O
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D) CH4O
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The skeletal formula of dipeptide formed between aspartic acid and phenylalanine is given below: How many functional groups are present in its formula?

Punjab Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) 5
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B) 2
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C) 4
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D) 3
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Kirchhoff’s first law/rule corresponds to:

Punjab Mock 3
Physics
Current Electricity
Kirchoff’s Law
A) Law of conservation of energy
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B) Law Of conservation Of momentum
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C) Law of conservation of charge
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D) Law of conservation of mass
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Which one of the following reagents is used to distinguish between aldehydes and ketones?

Punjab Mock 3
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Alkaline Iodine
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B) Tollen’s Reagent
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C) Bromine
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D) 2, 4 DNPH
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An activated enzyme consisting of polypeptide and a cofactor is known as

Punjab Mock 3
Biology
A) Amylase
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B) Apoenzyme
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C) Holoenzyme
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D) Coenzyme
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Skin and mucous membranes are part of the body defense system and they form the

Punjab Mock 3
Biology
Transport
A) Physical barrier
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B) Mechanical barriers
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C) Chemical barriers
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D) Biological barriers
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The prokaryotes possess ribosome with larger subunit of:

Punjab Mock 3
Biology
Cell Structure and Function
Prokaryotic and Eukaryotic Cells
A) 70S
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B) 50S
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C) 60S
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D) 40S
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Which of the following sequence is correct?

Punjab Mock 3
Biology
Reproduction
A) LH → FSH → Estrogen → Progesterone
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B) FSH → LH → Progesterone → Estrogen
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C) FSH → Estrogen → Progesterone → LH
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D) FSH → Estrogen → LH → Progesterone
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Bacteria and fungi are examples of

Punjab Mock 3
Biology
Kingdom Prokaryote
Importance and Control of bacteria
A) Producers
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B) Decomposers
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C) Consumers
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D) Denvers
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Among the following, which cellular organelle contains circular DNA, similar to those found in bacteria?

Punjab Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Lysosome
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B) Nucleus
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C) Nucleosome
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D) Mitochondria
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The structure present in a eukaryotic cell but absent in prokaryotic cells is;

Punjab Mock 3
Biology
Cell Structure and Function
Prokaryotic and Eukaryotic Cells
A) DNA
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B) Ribosomes
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C) Cell surface membrane
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D) Nucleus
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Which of the following hormone stimulates the ovulation from the follicle into oviduct?

Punjab Mock 3
Biology
Reproduction
Reproduction in Females
A) Estrogen
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B) Progesterone
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C) Luteinizing hormone
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D) Follicle stimulating hormone
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The average atomic mass of Boron is 10.8. It has two isotopes of masses 10 and 11 respectively. What is the percentage of isotope with the average mass of 10?

Punjab Mock 3
Chemistry
Stoichiometry
Theoretical Yield, Actual Yield and Percentage Yield
Percentage Correct
A) 20%
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B) 60%
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C) 80%
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D) 50%
Show Explanation

The product(s) of cyclic photophosphorylation is / are:

Punjab Mock 3
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) ATP
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B) NADP
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C) NADP and ATP
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D) NADP, ATP, and O2
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Plastids are only found in the:

Punjab Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Animals and Plants
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B) Animals
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C) Plants
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D) Viruses
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Which one of the following is the formula structure of D (α) glucose?

Punjab Mock 3
Biology
Biological Molecules
A) Option A
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B) Option B
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C) Option C
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D) Option D
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The region of the chromosome or, more specifically, the length of the DNA molecule, which has a particular function is called _______.

Punjab Mock 3
Biology
Chromosomes and DNA
Types & Composition of Chromosomes
A) Kinetochore
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B) Locus
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C) Allele
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D) Gene
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Identify the word or phrase that needs to be changed for the sentence to be correct:
We are expecting to go abroad this summer.

UHS 2017
English
Identify errors in sentence
A) Are
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B) Expecting
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C) To go
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D) This
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E) No error
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The disease which causes immobility and fusion of vertebral joints is:

Punjab Mock 3
Biology
Support and Movement
Disorders of Skeleton
A) Osteomalacia (soft bones)
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B) Disc slip
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C) Arthritis
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D) Spondylosis
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Discharge of ovum or secondary oocyte from ovary or from Graffian follicle is called

Punjab Mock 3
Biology
Reproduction
Reproduction in Females
A) Fertilization
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B) Pollination
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C) Follicle formation
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D) Ovulation
Show ExplanationA

Calcium ions released during a muscle fiber contraction attach with:

Punjab Mock 3
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
A) Myosin
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B) Actin
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C) Tropomyosin
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D) Troponin
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The finger like infoldings, which are formed by inner membrane of mitochondria, are called:

Punjab Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Ribosomes
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B) Matrix
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C) Porin
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D) Cristae
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Photosystem I has chlorophyll a molecules which absorb maximum light of:

Punjab Mock 3
Biology
Bioenergetics
A) 680 nm
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B) 780 nm
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C) 700 nm
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D) 580 nm
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The disease in which death of small number of cells in the basal ganglia leads to inability to select and initiate patterns of movement is known as:

Punjab Mock 3
Biology
Coordination and Control
A) Fever
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B) Alzheimer’s Disease
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C) Epilepsy
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D) Parkinson’s Disease
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The route of urine excretion from kidney to outside of body is:

Punjab Mock 3
Biology
Homeostasis
Structure and Importance of the Kidney
A) Kidney -> ureter -> urinary bladder -> urethra
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B) Urinary bladder -> kidney -> ureter -> urethra
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C) Kidney -> urethra -> urinary bladder -> ureter
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D) Kidney -> ureter -> urethra -> urinary bladder
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Muscle is made up of many cells which are referred to as

Punjab Mock 3
Biology
Support and Movement
A) Myofilaments
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B) Myofibrils
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C) Sarcolemma
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D) Muscle Fibers
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β-cells of pancreas (changed from liver) secrete a hormone that is called

Punjab Mock 3
Biology
Coordination and Control
Endocrine System and its Hormones
A) Insulin
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B) Glucagon
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C) Antidiuretic hormone
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D) Gastrin
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When a disease is transmitted directly from an affected father to his son, it is called:

Punjab Mock 3
Biology
Variation and Genetics
A) X-linked
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B) Autosomal
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C) Y-linked
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D) X and Y-linked
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The antibody molecule consists of __________ polypeptide chains:

Punjab Mock 3
Biology
Transport
A) Eight
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B) Four
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C) Six
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D) Two
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Microtubules of spindle fibres are composed of a protein called

Punjab Mock 3
Biology
Cell Structure and Function
A) Tubulin
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B) Actin
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C) Myosin
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D) Troponin
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Antibodies are produced by which of the following lymphocytes?

Punjab Mock 3
Biology
Transport
A) B lymphocytes
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B) A lymphocytes
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C) T lymphocytes
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D) B and T lymphocytes
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The concentration of sodium ions in body fluids is controlled by the hormone:

Punjab Mock 3
Biology
Coordination and Control
Endocrine System and its Hormones
A) Renin
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B) Aldosterone
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C) Angiotensin
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D) CPK
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Chlorophyll ‘a’ and chlorophyll ‘b’ differ in one of the functional groups… Chlorophyll ‘a’ has:

Punjab Mock 3
Biology
Bioenergetics
A) -CHO
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B) -OH
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C) -CH3
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D) -NH2
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DNA made by joining pieces from two or more different sources:

Punjab Mock 3
Biology
Biotechnology
Genetic Engineering & its tools
A) Probes
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B) Restriction endonuclease
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C) Mutated DNA
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D) Recombinant DNA
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Crossing over takes place during _____ of meiosis.

Punjab Mock 3
Biology
Cell Cycle
Meiosis
A) Prophase I
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B) Telophase I
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C) Metaphase I
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D) Anaphase I
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Last four vertebrae in humans are fused to form a structure called:

Punjab Mock 3
Biology
Support and Movement
Human Skeleton
A) Sacrum
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B) Cervical vertebrae
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C) Pubis
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D) Coccyx
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Thymus gland is involved in maturation of:

Punjab Mock 3
Biology
Transport
A) Platelets
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B) B-Lymphocytes
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C) Eosinophils
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D) T-Lymphocytes
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If a heterozygous individual shows the complete effect of both alleles, the type of inheritance would be?

Punjab Mock 3
Biology
Variation and Genetics
Exceptions To Mendelian Inheritance
A) Complete dominance
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B) Codominance
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C) Nondominance
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D) Incomplete dominance
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Acetylcholine and Noradrenaline are two types of ______ used in our nervous system:

Punjab Mock 3
Biology
Coordination and Control
Coordination in Animals
A) Enzymes
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B) Channel and carrier proteins in the cell membrane of a neuron.
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C) Neurotransmitters
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D) Hormones
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The karyotype of an individual is ________ of chromosomes.

Punjab Mock 3
Biology
Chromosomes and DNA
A) Number
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B) Types
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C) Number, types and chemical composition
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D) Number and types
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There are evidences that high levels of aluminum can lead to the onset of:

Punjab Mock 3
Biology
Coordination and Control
Disorders of the Nervous System
A) Parkinson’s disease
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B) Alzheimer’s disease
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C) Lesch-Nyhan syndrome
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D) Fragile X-syndrome
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Salivary Amylase begins to digest Starch to shorter polysaccharides and then to:

Punjab Mock 3
Biology
Nutrition
Digestion and Absorption
A) Glucose
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B) Maltose
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C) Sucrose
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D) Lactose
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Metabolic waste from metabolism of nucleic acid is:

Punjab Mock 3
Biology
Homeostasis
A) Uric acid
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B) Creatine
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C) Urea
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D) Creatinine
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Select the reagent X from the following choices for this conversion:

Punjab Mock 3
Chemistry
Aldehydes and Ketones
Reactivity and Reactions of Carbonyl Group
A) Acidified Potassium hydroxide
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B) Acidified Potassium dichromate (VI)
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C) Acidified Phosphoric acid
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D) Acidified Oxalic acid
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Which one of the following organelle is found in both prokaryotic and eukaryotic cells?

Punjab Mock 3
Biology
Cell Structure and Function
Prokaryotic and Eukaryotic Cells
A) Centriole
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B) Endoplasmic Reticulum
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C) Nucleus
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D) Ribosome
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Bicuspid valve controls the flow of blood from:

Punjab Mock 3
Biology
Transport
A) Right atrium to right ventricle
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B) Right ventricle to pulmonary artery
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C) Left ventricle to aorta
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D) Left atrium to left ventricle
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Site of mRNA translation

Punjab Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Lysosomes
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B) Ribosomes
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C) Cisternae
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D) Golgi body
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Which one of the following differentiates directly into mature sperm?

Punjab Mock 3
Biology
Reproduction
Reproduction in Males
A) Primary spermatocyte