PIEAS Entry Mock Test 3 - Online MCQ Exam

Which of the following is further classified as trioses, tetroses, pentoses, hexoses, etc.?

1 Mark(s)

Your Answer:

monosaccharides monosaccharides
oligosaccharides oligosaccharides
polysaccharides polysaccharides
starch starch

Despite of their differences on matters of principles, they all agree on the demand of hike is salary?

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Your Answer:

Despite their Despite their
Despite of the Despite of the
Despite for their Despite for their
Despite off their Despite off their
No correction required No correction required

0.07 + 0.008 is equal to

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Your Answer:

A) 0.15 A) 0.15
B) 0.015 B) 0.015
C) 0.078 C) 0.078
D) 0.78 078 D) 0.78 078

P can do a work in the same time in which Q and R together can do it. If P and Q work together, the work can be completed in 10 days. R alone needs 50 days to complete the same work. then Q alone can do it in__________?

1 Mark(s)

Your Answer:

30 days 30 days
25 days 25 days
20 days 20 days
15 days 15 days

Which gives positive Fehling's test?

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Your Answer:

Acetone Acetone
Formaldehyde Formaldehyde
Benzaldehyde Benzaldehyde
All ketones All ketones

The hardness that cannot be removed by boiling is called:

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Your Answer:

temporary hardness temporary hardness
permanent hardness permanent hardness
semi temporary hardness semi temporary hardness
semi permanent hardness semi permanent hardness

At magnetic poles, the angle of dip is:

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Your Answer:

$0^\circ$ $0^\circ$
$90^\circ$ $90^\circ$
$45^\circ$ $45^\circ$
$180^\circ$ $180^\circ$

“The ball was kicked by John” → Change to active.

1 Mark(s)

Your Answer:

John kicks the ball. John kicks the ball.
The ball kick John. The ball kick John.
The ball kicks John. The ball kicks John.
John kicked the ball. John kicked the ball.

action of killing King is called____________?

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Your Answer:

regicide regicide
suicide suicide
patricide patricide
parricide parricide

A magnet which retains its magnetic properties for a long period is called a

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Your Answer:

A) magnetic substance A) magnetic substance
B) non-magnetic substance B) non-magnetic substance
C) temporary magnet C) temporary magnet
D) permanent magnet D) permanent magnet

The angle of a minor segment is

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Your Answer:

A) acute A) acute
B) right B) right
C) obtuse C) obtuse
D) straight. D) straight.

Illiteracy : Education : : Flood : ________?

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Your Answer:

Rain Rain
Bridge Bridge
Dam Dam
River River

The anti-matter is composed of: __________________?

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Your Answer:

Anti-electrons Anti-electrons
Anti-proton Anti-proton
Anti-neutron Anti-neutron
All of these All of these

A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?

1 Mark(s)

Your Answer:

3.46% 3.46%
4.5% 4.5%
5% 5%
6% 6%

A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?

1 Mark(s)

Your Answer:

20% 20%
45% 45%
44% 44%
48% 48%

Joe is afraid_______ cats.

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Your Answer:

of of
by by
to to
from from

Choose the most suitable option to fill in the blank: We must do something soon before it ______(be) too late.

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Your Answer:

was was
will be will be
is is
has been has been

The fastest enzyme known is

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Your Answer:

A) DNA polymerase A) DNA polymerase
B) carbonic anhydrase B) carbonic anhydrase
C) carbonic dehydrogenase C) carbonic dehydrogenase
D) DNA ligase D) DNA ligase

In forced oscillations, the amplitude is maximum when:

1 Mark(s)

Your Answer:

$\omega_{driving} = \omega_{natural}$ $\omega_{driving} = \omega_{natural}$
$\omega_{driving} = 0$ $\omega_{driving} = 0$
$\omega_{driving} = 2\omega_{natural}$ $\omega_{driving} = 2\omega_{natural}$
$\omega_{driving} = \omega_{natural}/2$ $\omega_{driving} = \omega_{natural}/2$

Catching the earlier train will give us the ...... to do some shopping.

1 Mark(s)

Your Answer:

chance chance
luck luck
possibility possibility
occasion occasion

If fo is the focal length of the objective and fe is the focal length of the eyepiece, then magnification of a refracting (M) telescope can be determined as:

1 Mark(s)

Your Answer:

M = fo/fe M = fo/fe
M = fo + fe M = fo + fe
M = fo - fe M = fo - fe
M = fe/fo M = fe/fo

At sea level, the atmospheric pressure is about:

1 Mark(s)

Your Answer:

101,300 Pa 101,300 Pa
125,000 Pa 125,000 Pa
163,000 Pa 163,000 Pa
200,300 Pa 200,300 Pa

The path difference produced by a glass slab of thickness $t$ and index $\mu$ is:

1 Mark(s)

Your Answer:

$(\mu - 1)t$ $(\mu - 1)t$
$\mu t$ $\mu t$
$(1 - 1/\mu)t$ $(1 - 1/\mu)t$
$(\mu+1)t$ $(\mu+1)t$

“Brain Drain” means__________?

1 Mark(s)

Your Answer:

Mad Person Mad Person
Migration Of Skilled Person To Other Country
Emigration Of Intellectuals Emigration Of Intellectuals
None None

If $7x = 56$, find $x$

1 Mark(s)

Your Answer:

6 6
7 7
8 8
9 9

In a group ionic radius ?

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Your Answer:

Increases Increases
Decreases Decreases
No change No change
Variable trend Variable trend

A group consists of 4 men, 6 women and 5 children. In how many ways can 2 men , 3 women and 1 child selected from the given group?

1 Mark(s)

Your Answer:

300 300
600 600
750 750
900 900

Green Revolution is related to Plants in the same way as Silver Revolution is related to?

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Your Answer:

Poultry Poultry
Rubber Rubber
Animals Animals
Forest Forest

Which of the following are characterized by the presence of the hydroxyl group attached to a hydrocarbon chain?

1 Mark(s)

Your Answer:

halo alkanes halo alkanes
phenols phenols
ethers ethers
alcohols alcohols

What does the term “reconciliation” mean?

1 Mark(s)

Your Answer:

The act of improving by renewing and restoring
The reestablishment of cordial relations
Under control Under control
A feeling of profound respect for someone or something

5kg food is consumed by 50 chickens in 2 days. 60 chickens will consume how much food in 6 days.

1 Mark(s)

Your Answer:

2 kg 2 kg
6 kg 6 kg
15 kg 15 kg
18 kg 18 kg

Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much ?

1 Mark(s)

Your Answer:

Rs. 992 Rs. 992
Rs. 1112 Rs. 1112
Rs. 1056 Rs. 1056
Rs. 1182 Rs. 1182

A sound wave of frequency 500 Hz travels in air at 340 ms -1 . Its wavelength is

1 Mark(s)

Your Answer:

A) 0.68m A) 0.68m
B) 1.47m B) 1.47m
C) 170m C) 170m
D) 840m. 68m D) 840m. 68m

If the temperature of any gas is increased its volume:

1 Mark(s)

Your Answer:

increases increases
decreases decreases
remains same remains same
none of above none of above

An ideal gas is taken through cycle $A \to B \to C \to A$. If Net Heat supplied is 5J, then Work done by the gas is:

1 Mark(s)

Your Answer:

$5 J$ $5 J$
$-5 J$ $-5 J$
Zero Zero
$10 J$ $10 J$

The Moment of Inertia plays the same role in rotational motion as ______ does in linear motion.

1 Mark(s)

Your Answer:

Mass Mass
Force Force
Speed Speed
Acceleration Acceleration

In an AC circuit with pure Resistance, phase difference between V and I is:

1 Mark(s)

Your Answer:

Zero Zero
$90^\circ$ $90^\circ$
$180^\circ$ $180^\circ$
$45^\circ$ $45^\circ$

For the successful operation of Heat engine which condition should be met ?

1 Mark(s)

Your Answer:

cyclic process cyclic process
operated at certain temperature difference
both A and B both A and B
none of these none of these

Allotropic form of phosphorus that is poisonous is___________________?

1 Mark(s)

Your Answer:

White White
Red Red
Black Black
Violet Violet

(energy/charge) is equal to:

1 Mark(s)

Your Answer:

conventional current conventional current
capacity capacity
potential difference potential difference
electromotive force electromotive force

Why are digital thermometers replacing mercury thermometers?

1 Mark(s)

Your Answer:

A) They are cheaper A) They are cheaper
B) They are easier to break B) They are easier to break
C) They pose no risk of mercury exposure and are easier to read
D) They are less accurate Fill in the blanks with appropriate words : 1. The device that measures temperature is called a ____________ Answer: Thermometer 2. Clinical thermometers generally use a scale called the ____________ scale. Answer: Celsius 3. The normal temperature of a healthy human body is taken to be ____________ °C. Answer: 37 4. The liquid used in laboratory thermometers is generally alcohol or ____________ Answer: Mercury 5. A digital clinical thermometer measures temperature using ____________ densors. Answer: Heat 6. Non-contact thermometers are also known as ____________ thermometers. Answer: Infrared 7. The unit of temperature in the Kelvin scale is ____________ Answer: Kelvin 8. Mercury thermometers are being replaced by ____________ thermometers due to safety concerns. Answer: Digital 9. The temperature difference between the two bodies tells us how ____________ one body is in comparison to another. Answer: Hot 10. The Fahrenheit scale is not commonly used ____________ in ____________ studies. Answer: Scientific 11. The normal temperature of a human body in Fahrenheit is ____________ °F. Answer: 98.6 12. Laboratory thermometers typically have a temperature range from -10°C to ____________°C. Answer: 110 13. The lowest and the highest temperature a laboratory thermometer can measure is known as its ____________ Answer: Range 14. The temperature of a body tells us how ____________ or ____________ cold it is. Answer: Hot 15. During the COVID-19 pandemic, special thermometers called ____________ were used to measure temperature from a distance. Answer: infrared 3. State whether the statements given below are True or False: (i) Clinical thermometers are used for measuring the temperature of boiling water. Answer: False (ii) Digital thermometers are safer than mercury thermometers because they do not contain toxic substances. Answer: True (iii) The Kelvin scale is primarily used for everyday temperature measurements. Answer: False (iv) The normal temperature of a healthy human body is 37.0 °C. Answer: True (v) Infrared thermometers can measure temperature without making contact with the body. Answer: True (vi) Laboratory thermometers typically have a temperature range from 0 °C to 100 °C. Answer: False (vii) The Fahrenheit scale sets the freezing point of water at 0 °F. Answer: False (viii) Anna Mani made significant contributions to the field of meteorology in India. Answer: True (ix) Mercury thermometers are being replaced by digital thermometers due to ease of reading and safety concerns. Answer: True (x) Absolute zero is the point where molecular’ motion ceases and is equivalent to -273.15 °C. Answer: True 4. Assertion-Reason Questions For the following questions, two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to questions from the codes (a), (b),

A prima facie case is such

1 Mark(s)

Your Answer:

As it seems at first sight As it seems at first sight
As it is made to seem at first sight As it is made to seem at first sight
As it turns out to be at the end As it turns out to be at the end
As it seems to the court after a number of hearings

The efficiency of the Carnot engine working between 150°C and 50°C is__________?

1 Mark(s)

Your Answer:

50% 50%
100% 100%
23.6% 23.6%
29.4% 29.4%

The government should not spend money on helping “lame ducks”. Here lame ducks means:

1 Mark(s)

Your Answer:

Needy Needy
Unsuccessful Unsuccessful
Powerless Powerless
Inactive Inactive

The value of the expression 100 – (60 + 30) is

1 Mark(s)

Your Answer:

A) 20 A) 20
B) 10 B) 10
C) 110 C) 110
D) None of these D) None of these

Choose analogous pair: Land : Cape

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Your Answer:

House : Gate House : Gate
Foot : Toe Foot : Toe
Hand : Glove Hand : Glove
Finger : Nails Finger : Nails

I shall look _________ the matter.

1 Mark(s)

Your Answer:

in in
about about
into into
after after

Electric motors works on the principle of:

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Your Answer:

capacitors capacitors
friction friction
couple couple
torque torque

Stocks “eke out” gains amid growing political noise. Here “eke out” means?

1 Mark(s)

Your Answer:

Obtain something only with difficulty Obtain something only with difficulty
Be ruined Be ruined
Skyrocket without effort Skyrocket without effort
Remain stable Remain stable

He sat P : through the Town Hall Park Q : which flanked a path running R : under the boughs S : of a spreading tamarind tree The Proper sequence should be:

1 Mark(s)

Your Answer:

PQSR PQSR
RSQP RSQP
RSPQ RSPQ
PRSQ PRSQ

He sold his house for a song.

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Your Answer:

at a reasonable price at a reasonable price
at a discount at a discount
very cheaply very cheaply
at a premium at a premium

Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.

1 Mark(s)

Your Answer:

1 : 3 1 : 3
2 : 3 2 : 3
3 : 4 3 : 4
4 : 5 4 : 5

The first law of thermodynamics is:

1 Mark(s)

Your Answer:

$\Delta H = \Delta U + \Delta nRT$ $\Delta H = \Delta U + \Delta nRT$
$\Delta U = q + w$ $\Delta U = q + w$
$\Delta G = \Delta H - T\Delta S$ $\Delta G = \Delta H - T\Delta S$
$\Delta S = \frac{q_{rev}}{T}$ $\Delta S = \frac{q_{rev}}{T}$

Make the largest product possible using digits 2, 3, and 5.

1 Mark(s)

Your Answer:

A) 115 A) 115
B) 172 B) 172
C) 106 C) 106
D) 160 D) 160

I. x2 + 11x + 30 = 0, II. y2 + 15y + 56 = 0 to solve both the equations to find the values of x and y?

1 Mark(s)

Your Answer:

If x < y If x < y
If x > y If x > y
If x ≤ y If x ≤ y
If x ≥ y If x ≥ y

Evaluating Your Answers

PIEAS Entry Mock Test 3 : Question 1 of 55