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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3151

Question 3341

The 'Olfactory' receptors are located in the upper part of the:

Mouth
Nasal cavity✔️
Throat
Ear

Correct Answer Logic:

Smell is detected in the roof of the nasal cavity.

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Mathematics QUESTION #6013

Question 3342

The solution of the differential equation $\dfrac{dy}{dx} = (x-y)^2$, subject to $y(1)=1$, is:

$\ln\left|\dfrac{2-x}{2-y}\right| = x-y$
$-\ln\left|\dfrac{1-x+y}{1+x-y}\right| = 2(x-1)$✔️
$\ln\left|\dfrac{1+x-y}{1-x+y}\right| = x+y-2$
$-\ln\left|\dfrac{2-y}{2-x}\right| = 2(y-1)$

Correct Answer Logic:

Let $v = x - y$, so $\frac{dv}{dx} = 1 - \frac{dy}{dx} = 1 - v^2$.

Separate: $\frac{dv}{1-v^2} = dx \Rightarrow \frac{1}{2}\ln\left|\frac{1+v}{1-v}\right| = x + C$

i.e. $\ln\left|\frac{1+x-y}{1-x+y}\right| = 2x + C'$

At $(1,1)$: $v=0$, $\ln(1)=2+C' \Rightarrow C'=-2$

Final: $-\ln\left|\dfrac{1-x+y}{1+x-y}\right| = 2(x-1)$ which matches option B.

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Library Sciences QUESTION #1535

Question 3343

According to Stueart and Moran (2007), which type of planning establishes an organization's long-term direction, mission, and broad goals, typically covering a 3–5 year horizon?

Operational planning
Contingency planning
Strategic planning✔️
Tactical planning

Correct Answer Logic:

Strategic planning in library management sets the long-term direction of the institution — defining mission, vision, and broad goals over a multi-year horizon. Operational planning deals with day-to-day activities, while tactical planning addresses medium-term implementation steps.

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Pakistan Affairs QUESTION #584

Question 3344

Jallianwala Bagh Massacre took place on:

13th April 1919✔️
22nd December 1918
18th March 1918
None of These

Correct Answer Logic:

The massacre occurred in Amritsar on April 13, 1919.

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Chemistry QUESTION #4377

Question 3345

Which of the following situations most clearly demonstrates a key characteristic of a redox reaction?

Water boiling to steam
Hydrogen gas reacting with chlorine to form hydrogen chloride gas✔️
Sodium chloride dissolving in water
Ethanol evaporating at room temperature

Correct Answer Logic:

$H_2 + Cl_2 \rightarrow 2HCl$: Hydrogen is oxidized ($0 \rightarrow +1$) and chlorine is reduced ($0 \rightarrow -1$). This is a clear redox reaction involving electron transfer.

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General Knowledge QUESTION #4684

Question 3346

Andrei Sakharov is correctly described as which of the following?

Anti-Soviet Polish Leader
Secretary General of the Hungarian Communist Party
Soviet Nuclear Scientist✔️
Soviet Diplomat

Correct Answer Logic:

Andrei Sakharov was a prominent Soviet nuclear physicist and dissident who advocated for civil liberties and nuclear disarmament; he received the Nobel Peace Prize in 1975.

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Quantitative Reasoning QUESTION #8125

Question 3347

The (i)_______ of Vladimir Nabokov as one of North America's literary giants has redirected attention to his secondary activities and has thus served to (ii)_______ his efforts as an amateur entomologist.

lionization .. foreground
stigmatization .. foreground
marginalization .. obscure
lionization .. obscure✔️

Correct Answer Logic:

Being celebrated as a literary giant (lionization = treating someone as a celebrity) would draw attention to his main literary work — which in turn pushes his minor hobby into the background. Therefore his entomology work gets obscured (hidden/overshadowed). 'Stigmatization' means being disgraced — opposite of being a celebrated giant. 'Foreground' would mean highlighting his entomology, which contradicts the logic of the sentence.

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Accounting & Finance QUESTION #6052

Question 3348

Which one of the following qualifies as a capital expenditure?

Paying for renovations that upgrade and improve a building✔️
Paying carriage-outward charges related to delivering sold goods
Paying legal fees to recover outstanding amounts from customers
Paying performance bonuses to production workers

Correct Answer Logic:

Capital expenditure is spending that improves, extends the life of, or adds value to a long-term asset. Renovating and upgrading a building increases its value and useful life — this is capital expenditure. The other options are all revenue expenditures: carriage outwards, legal recovery fees, and wage bonuses are period costs that appear on the income statement and do not create lasting assets.

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Physics and Math QUESTION #769

Question 3349

$\int x\cos x\, dx = ?$

$x\sin x - \cos x + c$
$x\sin x - \cos x - c$✔️
$x\cos x - \sin x + c$
None

Correct Answer Logic:

Using integration by parts: $\int x\cos x\, dx = x\sin x - \int \sin x\, dx = x\sin x + \cos x + c$. Note: The paper marks option B ($x\sin x - \cos x - c$) but the standard result is $x\sin x + \cos x + c$.

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English QUESTION #2762

Question 3350

Find the word SIMILAR IN MEANING to 'Abundant'.

Scarce
Plentiful✔️
Rare
Deficient

Correct Answer Logic:

'Abundant' means existing in large quantities. 'Plentiful' also means existing in great quantities or more than enough. So 'Plentiful' is the correct synonym. The others (Scarce, Rare, Deficient) are antonyms.

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English QUESTION #2799

Question 3351

Complete the ANALOGY: 'Hot : Cold :: Day : ___'

Sun
Warm
Night✔️
Week

Correct Answer Logic:

This is an 'antonym' analogy (opposites). Hot is the opposite of Cold; Day is the opposite of Night. The relationship is one of direct opposition.

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Pakistan Affairs QUESTION #9050

Question 3352

The first Pakistani to hoist the Pakistani flag at both the North Pole and South Pole was:

Nazir Sabir
Salma Salim
Namira Salim✔️
Ashraf Aman

Correct Answer Logic:

Namira Salim achieved this feat.

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General Knowledge QUESTION #4682

Question 3353

General Augusto Pinochet is best identified as which of the following?

Leader of Contras in Nicaragua
Military Dictator of El Salvador
President of Chile✔️
Prime Minister of Argentina

Correct Answer Logic:

General Augusto Pinochet was the military dictator who ruled Chile from 1973 to 1990 following a coup against Salvador Allende.

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Logical Reasoning QUESTION #3952

Question 3354

The increase in red meat intake has become a _____ and _____ issue in public health circles.

abated...dubious✔️
skyrocketed...stressful
abounded...divisive
stabilized...newsworthy

Correct Answer Logic:

4

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MCQs Section QUESTION #5288

Question 3355

پاکستان میں اردو کو قومی زبان کب قرار دیا گیا؟

1953
1954
1955
1956✔️

Correct Answer Logic:

پاکستان میں اردو کو 1956ء کے آئین کے ذریعے قومی زبان کا درجہ دیا گیا۔

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Physics QUESTION #7219

Question 3356

Match the physical quantities in List I with their correct dimensional formulas in List II:

List I	List II
(A) Spring constant	(1) $M^1L^2T^{-2}$
(B) Pascal (unit of pressure)	(2) $M^0L^0T^{-1}$
(C) Hertz (unit of frequency)	(3) $M^1L^0T^{-2}$
(D) Joule (unit of energy)	(4) $M^1L^{-1}T^{-2}$

Choose the correct matching:

A-3, B-4, C-2, D-1
A-4, B-3, C-1, D-2
A-4, B-3, C-2, D-1✔️
A-3, B-4, C-1, D-2

Correct Answer Logic:

Spring constant $k$: $F = kx \Rightarrow [k] = \frac{[F]}{[x]} = \frac{MLT^{-2}}{L} = MT^{-2} = M^1L^0T^{-2}$ → (3)
Pascal (pressure): $[P] = \frac{Force}{Area} = \frac{MLT^{-2}}{L^2} = ML^{-1}T^{-2} = M^1L^{-1}T^{-2}$ → (4)
Hertz (frequency): $[f] = T^{-1} = M^0L^0T^{-1}$ → (2)
Joule (energy): $[E] = ML^2T^{-2} = M^1L^2T^{-2}$ → (1)

Correct match: A-3, B-4, C-2, D-1

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Home Economics QUESTION #6269

Question 3357

What is the biological value of a protein a measure of?

The amount of nitrogen retained for growth and maintenance✔️
The number of calories per gram of protein
The speed of digestion in the stomach
The total weight of the protein in grams

Correct Answer Logic:

Biological value (BV) measures how efficiently the body utilizes protein from the diet.

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General Knowledge QUESTION #4730

Question 3358

The book 'The Spirit of Islam' was authored by which of the following?

Sir Syed Ahmad Khan
Syed Ameer Ali✔️
Allama Iqbal
Maulana Abul Kalam Azad

Correct Answer Logic:

'The Spirit of Islam' was written by Syed Ameer Ali (1849–1928), a prominent Indian Muslim lawyer, jurist, and author who sought to present Islam in a positive light to Western audiences.

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Tourism & Hospitality Management QUESTION #1628

Question 3359

In the Event Management course, the 'AIDA' framework referenced under feasibility analysis refers to which concept?

An advanced inventory and distribution assessment for event catering
A marketing communication model: Attention, Interest, Desire, and Action — used to structure event marketing and promotional strategy✔️
A financial analysis tool: Assets, Income, Debt, and Allocation
A risk assessment tool: Assessment, Identification, Decision, and Action

Correct Answer Logic:

The Event Management course (Module 2: Concept & Design) lists AIDA alongside SWOT, PEST, and SMART as feasibility and analytical tools used in event planning. AIDA (Attention, Interest, Desire, Action) is a foundational marketing communication model that guides how promotional messages for events are structured to move audiences from awareness to ticket purchase or attendance.

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Dairy Food Science and Technology QUESTION #5883

Question 3360

Sweetened condensed milk (SCM) is preserved by:

Heat sterilization at $121^{\circ}\text{C}$ for $15$ minutes
High osmotic pressure created by sucrose addition, reducing water activity to $a_w \approx 0.83$✔️
Addition of chemical preservatives like sodium benzoate
Vacuum packaging with nitrogen flushing

Correct Answer Logic:

SCM preservation relies on high osmotic pressure. Sucrose is added to achieve $a_w \approx 0.83$ and sucrose concentration of $\approx 43\text{–}45\%$ in the final product, inhibiting microbial growth without sterilization which would cause browning and gelling.

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