PIEAS Entry Mock Test 6 - Online MCQ Exam

Nucleophilicity order in protic solvent:

1 Mark(s)

Your Answer:

$\ce{F- > Cl- > Br- > I-}$ $\ce{F- > Cl- > Br- > I-}$
$\ce{Cl- > Br- > I- > F-}$ $\ce{Cl- > Br- > I- > F-}$
$\ce{I- > Br- > Cl- > F-}$ $\ce{I- > Br- > Cl- > F-}$
All equal All equal

How many parameters in the binomial distribution?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

The force required to separate two glass plates of area $A$ with a film of water of thickness $d$ (Surface tension $T$) is:

1 Mark(s)

Your Answer:

$AT/d$ $AT/d$
$4AT/d$ $4AT/d$
$2AT/d$ $2AT/d$
$AT/2d$ $AT/2d$

Materials that obey Ohm's law and hence have a constant resistance over a wide range of voltages are called:

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Your Answer:

ohmic ohmic
non-ohmic non-ohmic
batteries batteries
capacitors capacitors

In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?

1 Mark(s)

Your Answer:

two two
three three
one one
four four

Find the LCM of \$15$ and \$20$

1 Mark(s)

Your Answer:

30 30
45 45
60 60
75 75

Product of two co-prime numbers is 117. Their L.C.M should be__________?

1 Mark(s)

Your Answer:

1 1
117 117
equal to their H.C.F equal to their H.C.F
Cannot be calculated Cannot be calculated

Assertion (A): Digital thermometers are replacing mercury thermometers. Reason (R): Mercury is a toxic substance, and digital thermometers provide easier-to- read displays.

1 Mark(s)

Your Answer:

A) Both A and R are true and R is correct explanation of the assertion,
B) Both A and R are true but R is not the correct explanation of the assertion,
C) A is true but R is false, C) A is true but R is false,
D) A is false but R is true D) A is false but R is true

Methyl radical is ___________?

1 Mark(s)

Your Answer:

Sp3 hybrid having 8 electrons Sp3 hybrid having 8 electrons
Sp2 hybrid having 6 electron Sp2 hybrid having 6 electron
sp2 hybrid having 7 electron sp2 hybrid having 7 electron
Sp hybrid having linear geometry Sp hybrid having linear geometry

Consider the following elements: 20 Ca, 8 O, 18 Ar, 16 S, 4 Be, 2 He Which of the above elements would you expect to be in group 16 of the periodic table?

1 Mark(s)

Your Answer:

A) 20 Ca and 16 S A) 20 Ca and 16 S
B) 20 Ca and 8 O B) 20 Ca and 8 O
C) 18 Ar and 16 S C) 18 Ar and 16 S
D) 8 O and 16 S D) 8 O and 16 S

A sum is divided among A, B, and C such that A gets $\frac{2}{5}$ of what B gets and B gets $\frac{3}{4}$ of what C gets. If C gets $₹2400$, find the total sum.

1 Mark(s)

Your Answer:

₹4920 ₹4920
₹4800 ₹4800
₹5000 ₹5000
₹5200 ₹5200

The displacement of electrons in a multiple bond in the presence of attacking reagent is called

1 Mark(s)

Your Answer:

A) Inductive effect A) Inductive effect
B) Electromeric effect B) Electromeric effect
C) Resonance C) Resonance
D) Hyper conjugation. D) Hyper conjugation.

Unpaired electron in a molecule gives ______________ character ?

1 Mark(s)

Your Answer:

Ferromagnetic Ferromagnetic
Paramagnetic Paramagnetic
Diamagnetism Diamagnetism
Both A & B Both A & B

Activated complex is formed due to________________?

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Your Answer:

Pressure Pressure
Effective collision Effective collision
Ineffective collisions Ineffective collisions
Temperature Temperature

The cost price of a Rs. 100 stock at 4 discount, when brokerage is 1/4 % is:___________?

1 Mark(s)

Your Answer:

Rs. 96 Rs. 96
Rs. 95.75 Rs. 95.75
Rs. 96.25 Rs. 96.25
Rs. 104.25 Rs. 104.25

Compounds which are added in the soil to provide essential elements to plants are called:

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Your Answer:

carbonates carbonates
salts salts
fertilizers fertilizers
metals metals

Cassettes are based on:

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Your Answer:

electricity electricity
magnetism magnetism
electromagnetism electromagnetism
waves waves

In a cyclone, the region of the lowest pressure is at the centre, known as:

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Your Answer:

A) The eye of the cyclone A) The eye of the cyclone
B) The body of the cyclone B) The body of the cyclone
C) The air of the cyclone C) The air of the cyclone
D) The pressure of the cyclone D) The pressure of the cyclone

Which of the following can undergo a chemical reaction?

1 Mark(s)

Your Answer:

A) MgSO 4 + Fe A) MgSO 4 + Fe
B) ZnSO 2 + Fe B) ZnSO 2 + Fe
C) MgSO 2 + Pb C) MgSO 2 + Pb
D) CuSO 2 + Fe D) CuSO 2 + Fe

If in a game of 80, P can give 16 points to Q and R can give 20 points to P, then in a game of 150, how many points can R give to Q?

1 Mark(s)

Your Answer:

48 48
60 60
54 54
90 90

Calamine is ore of:

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Your Answer:

Iron Iron
Copper Copper
Lead Lead
Zinc Zinc

Electricity in voltaic cell is produced due to_________________?

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Your Answer:

neutralization neutralization
oxidation oxidation
reduction reduction
both B & C both B & C

In a state of tension or anxiety or suspense

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Your Answer:

Off balance Off balance
Depressed Depressed
Diffused Diffused
On tenterhooks On tenterhooks

Energy stored in an inductor:

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Your Answer:

$LI^2$ $LI^2$
$1/2 L I^2$ $1/2 L I^2$
$1/2 L^2 I$ $1/2 L^2 I$
$1/2 L I$ $1/2 L I$

Which one of the following radiations possesses maximum velocity ?

1 Mark(s)

Your Answer:

α-rays α-rays
β-rays β-rays
γ-rays γ-rays
All of above have the same speed All of above have the same speed

A deposited Rs 6000 in a bank at 5% Per annum simple interest. B deposited Rs 5000 at 8% P.a Compound interest. After 2 years the difference between their interest will be:_________?

1 Mark(s)

Your Answer:

Rs 230 Rs 230
Rs 232 Rs 232
Rs 600 Rs 600
Rs 832 Rs 832

The total amount of money a buyer has to pay if he bought an antique article marked at $500 with a 15% value-added tax imposed on it is:

1 Mark(s)

Your Answer:

$630 $630
$614 $614
$620 $620
$575 $575

A noisy and bombastic speech addressed to a large assembly is?

1 Mark(s)

Your Answer:

rhetoric rhetoric
cacophony cacophony
harangue harangue
oration oration

Detect analogy : Sweep : Scrub : Wipe

1 Mark(s)

Your Answer:

These are terms connected with rubbing. These are terms connected with rubbing.
These are games of cards. These are games of cards.
These are terms used by motor mechanics.
These are terms connected with cleaning.

The equation sin -1 x – cos -1 x = cos -1 ($\frac{\sqrt{3}}{2}$) has

1 Mark(s)

Your Answer:

A) unique solution A) unique solution
B) no solution B) no solution
C) infinitely many solution C) infinitely many solution
D) none of these D) none of these

If P is the probability of an event, what is the probability of its complement?

1 Mark(s)

Your Answer:

1 - 1/P 1 - 1/P
P - 1 P - 1
1 - P 1 - P
None of the above None of the above

Which one of the following statement is not correct about benzene ?

1 Mark(s)

Your Answer:

On hydrogenation 208 KJ/mole is liberated
C-H bond length in benzene is 1.09 A? C-H bond length in benzene is 1.09 A?
Molecular mass of benzene is 78.108 Molecular mass of benzene is 78.108
Resonance energy of benzene is 150.5 K Cal/mole

Solder is alloy of:

1 Mark(s)

Your Answer:

Cu and Zn Cu and Zn
Pb and Sn Pb and Sn
Sn and Cu Sn and Cu
Pb and Cu Pb and Cu

Methylamine is more basic than ammonia because:

1 Mark(s)

Your Answer:

=+I effect =+I effect
=-I effect =-I effect
Larger size Larger size
Steric factors Steric factors

Boron is non metal while other elements of IIIA group are metals. This is because______________?

1 Mark(s)

Your Answer:

it has small size it has small size
it has high nuclear charge it has high nuclear charge
it forms molecular addition compounds it forms molecular addition compounds
all of the above all of the above

Much is related to Many in the same way as Measure is related to?

1 Mark(s)

Your Answer:

Weigh Weigh
Measures Measures
Calculate Calculate
Count Count

The resultant of all the forces acting on body is:

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Your Answer:

net force net force
normal force normal force
perpendicular force perpendicular force
equilibrium equilibrium

The ability of metals to be drawn into thin wires is known as

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Your Answer:

A) ductility A) ductility
B) malleability B) malleability
C) sonority C) sonority
D) conductivity D) conductivity

Nobel gases are present in:

1 Mark(s)

Your Answer:

VIIA group VIIA group
VIA group VIA group
VA group VA group
VIIIA group VIIIA group

An ideal gas is enclosed in a closed container. If the RMS speed of its molecules is doubled, the pressure will:

1 Mark(s)

Your Answer:

Double Double
Remain same Remain same
Become 4 times Become 4 times
Become 8 times Become 8 times

Aluminium reacts with $\ce{NaOH}$ to give:

1 Mark(s)

Your Answer:

$\ce{NaAlO2}$ $\ce{NaAlO2}$
$\ce{Al(OH)3}$ $\ce{Al(OH)3}$
$\ce{Na2AlO3}$ $\ce{Na2AlO3}$
$\ce{NaAl2O4}$ $\ce{NaAl2O4}$

4 singers, 5 dancers and 3 comperes divide an amount of Rs.130000 among themselves such that 3 comperes get as much as 2 dancers and 3 dancers get as much as 2 singers. Find the amount received by a singer.

1 Mark(s)

Your Answer:

Rs.18000 Rs.18000
Rs.13000 Rs.13000
Rs.15000 Rs.15000
Rs.10000 Rs.10000

HARBINGER

1 Mark(s)

Your Answer:

Messenger Messenger
Steward Steward
Forerunner Forerunner
Pilot Pilot

Virahanka numbers are

1 Mark(s)

Your Answer:

A) 1,3,6, 10, 15… A) 1,3,6, 10, 15…
B) 1,2, 3, 5, 8… B) 1,2, 3, 5, 8…
C) 1, 8, 27, 64, 125… C) 1, 8, 27, 64, 125…
D) 1, 7, 19, 37… D) 1, 7, 19, 37…

James Watt discovered the energy of steam.

1 Mark(s)

Your Answer:

The energy of steam discovered James Watt.
The energy of steam was discovered by James Watt.
James Watt was discovered by the energy of steam.
James Watt had discovered energy by the steam.

An object is placed in front of a plane mirror. The image formed is:

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Your Answer:

Real and Erect Real and Erect
Virtual and Erect Virtual and Erect
Real and Inverted Real and Inverted
Virtual and Inverted Virtual and Inverted

Electron cannot exist in the nucleus it is confirmed by observing that______________?

1 Mark(s)

Your Answer:

It does emit radiation It does emit radiation
Its size as compare to proton and neutron is very small
No antiparticle of electron is present No antiparticle of electron is present
The velocity of electron must be very high according to uncertainty principle

He is fully contented _____ his life.

1 Mark(s)

Your Answer:

of of
with with
for for
in in

Which fundamental force is thought to become unified with the Electroweak force at energies of $10^{15}$ GeV?

1 Mark(s)

Your Answer:

Gravitational Gravitational
Frictional Frictional
Strong Nuclear Strong Nuclear
Centrifugal Centrifugal

Find the average of \$90, 95, 100, 105$

1 Mark(s)

Your Answer:

95 95
96 96
99 99
97.5 97.5

Factorization of a(a - b + c) - bc is equal to:

1 Mark(s)

Your Answer:

(a - b)(a + c) (a - b)(a + c)
(a - b)(a - c) (a - b)(a - c)
(a + b)(a + c) (a + b)(a + c)
(a - b)(a - c) (a - b)(a - c)

In air, alpha particles have range of:

1 Mark(s)

Your Answer:

few centimeters few centimeters
several thousand meters several thousand meters
several hundred meters several hundred meters
several meters several meters

The product of \$8$ and \$7$ is:

1 Mark(s)

Your Answer:

48 48
54 54
56 56
63 63

For a binary star system, the angular velocity $\omega$ is:

1 Mark(s)

Your Answer:

Different for each Different for each
Ratio of masses Ratio of masses
Same for both Same for both
Zero Zero

7.5 can be expressed in the form $\frac{p}{q}$ as:

1 Mark(s)

Your Answer:

A) $\frac{69}{9}$ A) $\frac{69}{9}$
B) $\frac{79}{99}$ B) $\frac{79}{99}$
C) $\frac{7}{9}$ C) $\frac{7}{9}$
D) none of these D) none of these

Which of the following is the same as Flood, Fire, Cyclone ?

1 Mark(s)

Your Answer:

Damage Damage
Earthquake Earthquake
Rain Rain
Accident Accident

PASS :

1 Mark(s)

Your Answer:

Qualify Qualify
Die Die
Cross Cross
Elongated Elongated

At sea level, the vertical height of the water column would be:

1 Mark(s)

Your Answer:

13.45 m 13.45 m
10.34 m 10.34 m
11.25 m 11.25 m
12.36 m 12.36 m

The force holding nucleons together is:

1 Mark(s)

Your Answer:

Strong Nuclear Force Strong Nuclear Force
Electrostatic Electrostatic
Gravitational Gravitational
Weak Weak

Two ships are sailing in the sea on the two sides of a lighthouse. The angles of elevation of the top of the lighthouse as observed from the two ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is :_________?

1 Mark(s)

Your Answer:

173 m 173 m
200 m 200 m
273 m 273 m
300 m 300 m

A person who wants to destroy all government and orders:

1 Mark(s)

Your Answer:

Brail Brail
Anarchist Anarchist
Biped Biped
Crank Crank

If X can run 48m and Y 42m, then in a race of 1km, X beats Y by:_________?

1 Mark(s)

Your Answer:

140m 140m
125m 125m
100m 100m
110m 110m

The number of categories in which physical quantities are divided is_____________?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

Which layer is located above the stratosphere:

1 Mark(s)

Your Answer:

mesosphere mesosphere
troposphere troposphere
ozone ozone
none of above none of above

In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

1 Mark(s)

Your Answer:

Becomes double Becomes double
Remains same Remains same
Becomes half Becomes half
First increases then decrease because of the curvilinear graph

The relaxation time of electrons in a metal ______ with increase in temperature.

1 Mark(s)

Your Answer:

Increases Increases
Decreases Decreases
Remains same Remains same
Becomes infinite Becomes infinite

The number of transitive closure exists in the relation R = {(0,1), (1,2), (2,2), (3,4), (5,3), (5,4)} where {1, 2, 3, 4, 5} ∈ A is__________.

1 Mark(s)

Your Answer:

{(0,1), (0,2), (1,2), (2,2), (3,4), (5,3), (5,4)}
{(0,0), (4,4), (5,5), (1,1), (2,2), (3,3)}
{(0,1), (1,2), (2,2), (3,4)} {(0,1), (1,2), (2,2), (3,4)}
{(0,1), (5,3), (5,4), (1,1), (2,2)} {(0,1), (5,3), (5,4), (1,1), (2,2)}

A long poem narrating achievements of a hero or legendary figures is known as ___________?

1 Mark(s)

Your Answer:

Epic Epic
Elegy Elegy
Ode Ode
Sestina Sestina

The value of critical angle for glass is_______________?

1 Mark(s)

Your Answer:

42° 42°
47° 47°
52° 52°
50° 50°

The force exerted by a charged body on another charged body

1 Mark(s)

Your Answer:

A) gravitational force A) gravitational force
B) electrostatic force B) electrostatic force
C) non-contact force C) non-contact force
D) contact force D) contact force

Which sentence uses correct article placement?

1 Mark(s)

Your Answer:

She is a best student. She is a best student.
He has an umbrella. He has an umbrella.
They saw a elephants. They saw a elephants.
I need an water. I need an water.

A trader owes a merchant Rs. 10,028 due 1 year hence. The trader wants to settle the account after 3 months. If the rate of interest 12% per annum, how much cash should he pay?

1 Mark(s)

Your Answer:

Rs. 9025.20 Rs. 9025.20
Rs. 9200 Rs. 9200
Rs. 9600 Rs. 9600
Rs. 9560 Rs. 9560

Which of the following is correct when dividing fractions?

1 Mark(s)

Your Answer:

A) Convert the second fraction and multiply
B) Convert fractions to whole numbers first
C) Subtract denominators before dividing
D) Multiply both fractions separately D) Multiply both fractions separately

Which term represents “someone motivated by desires for sensual pleasures”?

1 Mark(s)

Your Answer:

Hypothesis Hypothesis
Hedonist Hedonist
Impetuous Impetuous
Impute Impute

Evaluating Your Answers

PIEAS Entry Mock Test 6 : Question 1 of 74