NUST Entry Mock Test 6 - Online MCQ Exam

Assertion (A) A kite is not a quadrilateral. Reason (R) A quadrilateral has 2 diagonals.

1 Mark(s)

Your Answer:

A) Both A and R are true and R is the correct explanation of A.
B) Both A and R are true but R is not the correct explanation of A.
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.

Let $f(x)=\frac{x-1}{x+1}$, then f(f(x)) is

1 Mark(s)

Your Answer:

A) $\frac{1}{x}$ A) $\frac{1}{x}$
B) $-\frac{1}{x}$ B) $-\frac{1}{x}$
C) $\frac{1}{x+1}$ C) $\frac{1}{x+1}$
D) $\frac{1}{x-1}$ (-\frac{1}{x}\) D) $\frac{1}{x-1}$ (-\frac{1}{x}\)

Don’t make me __ hurt you.

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Your Answer:

to to
over over
at at
none none

Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali?

1 Mark(s)

Your Answer:

A) CH ≡ C-CHO A) CH ≡ C-CHO
B) CH 2 = CHCHO B) CH 2 = CHCHO
C) C 6 H 5 CHO C) C 6 H 5 CHO
D) CH 3 CH 2 CHO D) CH 3 CH 2 CHO

Which of the following is not true about sulfur dioxide?

1 Mark(s)

Your Answer:

it is colorless it is colorless
it is odourless it is odourless
it is an air pollutant it is an air pollutant
it causes breathing difficulties it causes breathing difficulties

Who wrote "Harry Potter" series?

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Your Answer:

J.K. Rowling J.K. Rowling
Roald Dahl Roald Dahl
C.S. Lewis C.S. Lewis
Philip Pullman Philip Pullman

If the temperature difference between hold and cold faces of the solids is greater, the rate of flow of heat will be:

1 Mark(s)

Your Answer:

zero zero
constant constant
smaller smaller
greater greater

A comb attracts tiny bits of paper due to :

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Your Answer:

friction friction
electrostatic force electrostatic force
gravitational force gravitational force
magnetic force magnetic force

What is the Roman numeral for 1000?

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Your Answer:

D D
M M
C C
X X

Four dice are thrown simultaneously. What will be the probability that all of them have the same face?

1 Mark(s)

Your Answer:

1/6 1/6
1/36 1/36
1/216 1/216
None of the above None of the above

100 people had food provision for 24 days. If 20 persons left the place, the provision will last for

1 Mark(s)

Your Answer:

A) 30 days A) 30 days
B) 96 days B) 96 days
C) 120 days C) 120 days
D) 40 days D) 40 days

The following question is based on Assertion/Reason.

1 Mark(s)

Your Answer:

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Assertion is correct but Reason is incorrect.
Both Assertion and Reason are incorrect.

Which method can be used to prevent rancidity?

1 Mark(s)

Your Answer:

Adding antioxidants to the food Adding antioxidants to the food
Storing food at low temperature Storing food at low temperature
Replace the air with nitrogen in the packing material
All of the above Answer All of the above Answer

Which expression always gives an even number?

1 Mark(s)

Your Answer:

A) 4a + 3b A) 4a + 3b
B) a 2 + 1 B) a 2 + 1
C) 3x + 5 y C) 3x + 5 y
D) 2x + 2y D) 2x + 2y

B can work 3 times faster than A. They work together on a task and complete it in a day. How long does it take for B alone to complete the task?

1 Mark(s)

Your Answer:

32 hours 32 hours
48 hours 48 hours
3 days 3 days
4 days 4 days

The process in which heat is transferred in form of waves is called:

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Your Answer:

Conduction Conduction
convection convection
thermal climbing thermal climbing
radiation radiation

A sum was put a simple interest at a certain rate for 2 years. Had it been put at 4% higher rate, it would have fetched Rs. 60 more. The sum is:

1 Mark(s)

Your Answer:

Rs.750 Rs.750
Rs.700 Rs.700
Rs.940 Rs.940
Rs.820 Rs.820

Largest cricket stadium in the world:

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Your Answer:

Narendra Modi Stadium Narendra Modi Stadium
MCG MCG
Eden Gardens Eden Gardens
Lord's Lord's

The radius of the sphere of which spherical mirror is a part is known as:

1 Mark(s)

Your Answer:

radius of curvature radius of curvature
pole pole
center of curvature center of curvature
focal length focal length

The first fraction obtained during the fractionation of petroleum is:

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Your Answer:

A) Gasoline A) Gasoline
B) Diesel Oil B) Diesel Oil
C) Hydrocarbon Gases C) Hydrocarbon Gases
D) Kerosene Oil D) Kerosene Oil

Choose analogous pair: Cream : Cosmetics

1 Mark(s)

Your Answer:

Tiger : Forest Tiger : Forest
Magazine : Editor Magazine : Editor
Teak : Wood Teak : Wood
Mountain : Valley Mountain : Valley

Which one of the following function is not invertible?

1 Mark(s)

Your Answer:

A) f : R → R, f(x) = 3x + 1 A) f : R → R, f(x) = 3x + 1
B) f : R → [0, ∞), f(x) = x 2 B) f : R → [0, ∞), f(x) = x 2
C) f : R + → R + , f(x) = $\frac{1}{x^{3}}$
D) None of these D) None of these

In a dry cell, chemical energy changes into:

1 Mark(s)

Your Answer:

heat energy heat energy
electrical energy electrical energy
atomic energy atomic energy
light energy light energy

Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

1 Mark(s)

Your Answer:

60% 60%
50% 50%
52% 52%
8% 8%

To add or subtract a positive number from both sides of any inequality without any change in the inequality sign is called:

1 Mark(s)

Your Answer:

distributive property of inequality distributive property of inequality
multiplicative property of inequality multiplicative property of inequality
additive property of inequality additive property of inequality
transitive property of inequality transitive property of inequality

Rickets is to Children as Osteomalacia is to?

1 Mark(s)

Your Answer:

Infants Infants
Mother Mother
Adults Adults
Old Old

Some people __________ to the officer against him about his mis-deeds

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Your Answer:

asked asked
complained complained
question question
informed informed

If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?

1 Mark(s)

Your Answer:

C2H2O4 C2H2O4
CH2 CH2
CH2O CH2O
CHO2 CHO2

I will come ___ you call me.

1 Mark(s)

Your Answer:

when when
if if
while while
until until

S1: The Bhagavadgita recognises the nature of man and the needs of man. P : All these three aspects constitute the nature of man. Q : It shows how the human being is rational one, an ethical one and a spiritual one. R : More than all, it must be a spiritual experience. S : Nothing can give him fulfilment unless it satisfies his reason, his ethical conscience. S6: A man whom does not harmonise them, is not truly human. The Proper sequence should be:

1 Mark(s)

Your Answer:

PSRQ PSRQ
RSPQ RSPQ
QPSR QPSR
PSQR PSQR

Molecularity is:

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Your Answer:

Overall reaction order Overall reaction order
Molecules in elementary step Molecules in elementary step
Number of products Number of products
Number of reactants Number of reactants

By solving the equation 3(3x - 6) + 4(4x + 3) = 45x - 166, the value of 'x' is:

1 Mark(s)

Your Answer:

16 16
8 8
12 12
14 14

He said to her, "May you succeed!"

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Your Answer:

He told her that she might succeed. He told her that she might succeed.
He prayed to God that she may succeed. He prayed to God that she may succeed.
He wished her success. He wished her success.
He said to her that she might succeed. He said to her that she might succeed.

Which of the following is widely used in the oxy-acetylene welding and cutting metals?

1 Mark(s)

Your Answer:

ethylene ethylene
acetylene acetylene
phenol phenol
methanol methanol

Meta-directing groups are:

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Your Answer:

Electron-donating Electron-donating
Activating Activating
Electron-withdrawing Electron-withdrawing
Neutral Neutral

Two stars of mass $m_1$ and $m_2$ distance $r$ apart revolve about their common center of mass. The period of revolution is:

1 Mark(s)

Your Answer:

$2\pi \sqrt{\frac{r^3}{G(m_1+m_2)}}$ $2\pi \sqrt{\frac{r^3}{G(m_1+m_2)}}$
$2\pi \sqrt{\frac{r^3}{Gm_1}}$ $2\pi \sqrt{\frac{r^3}{Gm_1}}$
$2\pi \sqrt{\frac{r^3}{Gm_2}}$ $2\pi \sqrt{\frac{r^3}{Gm_2}}$
$2\pi \sqrt{\frac{r^3}{G(m_1-m_2)}}$ $2\pi \sqrt{\frac{r^3}{G(m_1-m_2)}}$

The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?

1 Mark(s)

Your Answer:

5km/hr 5km/hr
8 km/hr 8 km/hr
10 km/hr 10 km/hr
15 km/hr 15 km/hr

Material which gives light as a result of bombardment of fast-moving electrons is:

1 Mark(s)

Your Answer:

Carbon Carbon
Graphene Graphene
Potassium Potassium
Phosphorus Phosphorus

Step of sewage water treatment in which effluent from a sewage plant is treated with chlorine is called:

1 Mark(s)

Your Answer:

primary sewage treatment primary sewage treatment
secondary sewage treatment secondary sewage treatment
activated sludge treatment activated sludge treatment
chlorination chlorination

On contact with oxygen, Rubidium forms:

1 Mark(s)

Your Answer:

normal oxide normal oxide
per oxide per oxide
super oxide super oxide
trioxide trioxide

Considering alkyl radicals, what is the term used for the group obtained by removing terminal hydrogen atom?

1 Mark(s)

Your Answer:

Iso-propyl Iso-propyl
n-propyl n-propyl
neo-propyl neo-propyl
propyl propyl

The memory which starts the computer is:

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Your Answer:

Read only memory (ROM) Read only memory (ROM)
Random access memory (RAM) Random access memory (RAM)
local-area network?(LAN) local-area network?(LAN)
operating system operating system

I was studying English _______ my brother was watching a drama.

1 Mark(s)

Your Answer:

When When
although although
While While
because because

The synonym of “Emancipate” is_________?

1 Mark(s)

Your Answer:

Emanate Emanate
Incorporate Incorporate
Defame Defame
Release Release

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NUST Entry Mock Test 6 : Question 1 of 44