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General Knowledge QUESTION #8702

Question 2681

Who administers the oath to the Governor of a province?

Chief Minister
President
Chief Justice of Pakistan
Chief Justice of the High Court✔️

Correct Answer Logic:

The Chief Justice of the respective High Court administers the oath.

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HR and Management QUESTION #6456

Question 2682

The text suggests that increased complexity of the manager's job stems from:

Foreign competition
New technology
Expanding scientific information
Rapid change

Only items 1 and 2
Only items 3 and 4
Items 1, 2, and 3 only
All four items✔️

Correct Answer Logic:

Management has become increasingly complex and demanding for all four reasons: foreign competition, new technology, expanding scientific information, and rapid change. This complexity leads organizations to ask HR managers for assistance in strategic decisions.

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English QUESTION #7877

Question 2683

Which word is a synonym for 'elated'?

Confused
Disappointed
Nervous
Overjoyed✔️

Correct Answer Logic:

'Elated' means extremely happy and excited. 'Overjoyed' is the closest synonym. 'Confused', 'disappointed', and 'nervous' are unrelated emotions.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3365

Question 2684

The 'Resolution' of a microscope is its ability to:

Magnify the image
Distinguish two close points as separate✔️
Change color
Make the specimen live

Correct Answer Logic:

High resolution is more important than high magnification for clear details.

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Security Measures to Maintain Law and Order QUESTION #870

Question 2685

The "Emergency Operations Center" (EOC) is activated during a crisis to:

Sell tickets
Centralize command and communication✔️
Evacuate the city
Interview witnesses

Correct Answer Logic:

The EOC is the nerve center where ASF, Civil Aviation, and other agencies coordinate their response to an ongoing crisis.

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Mathematics QUESTION #6012

Question 2686

Let $f$ be differentiable with $f'(x)=7-\dfrac{3}{4}\dfrac{f(x)}{x}$ for $x>0$ and $f(1)\neq 4$. Find $\displaystyle\lim_{x\to 0^+} x\,f\!\left(\dfrac{1}{x}\right)$.

Exists and equals $\dfrac{4}{7}$
Exists and equals $4$✔️
Does not exist
Exists and equals $0$

Correct Answer Logic:

Let $g(x) = f(x)/x$. Substituting $t = 1/x$ (so $x\to 0^+$ means $t\to\infty$):

$x\cdot f(1/x) = \frac{f(t)}{t} = g(t)$ as $t\to\infty$.

From $f'(x) = 7 - \frac{3}{4}\frac{f(x)}{x}$, the equilibrium $g = f(x)/x$ satisfies: as $x\to\infty$, $g\to 4$ (the fixed point where $g' = 0$, i.e., $7 - \frac{7}{4}g = 0 \Rightarrow g = 4$). Since $f(1)\neq 4$, the limit still converges to $\mathbf{4}$.

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Library Sciences QUESTION #1532

Question 2687

A subject thesaurus, such as the ERIC Thesaurus, is primarily used to:

Define the spelling and grammar of technical terms
Identify preferred and related indexing terms for searching subject databases accurately✔️
Provide encyclopaedic articles on educational topics
List bibliographies of books in a subject field

Correct Answer Logic:

A subject thesaurus like the ERIC Thesaurus lists controlled vocabulary terms — preferred descriptors, broader terms, narrower terms, and related terms — used for indexing and searching subject-specific databases, improving both precision and recall in literature searches.

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Nursing QUESTION #9227

Question 2688

In a patient with Acute Respiratory Distress Syndrome (ARDS), what is the PRIMARY ventilation strategy supported by the ARDSNet trial?

High tidal volume ventilation at $10-12 \text{ mL/kg}$ IBW to ensure adequate oxygenation
Low tidal volume ventilation at $6 \text{ mL/kg}$ IBW with plateau pressure $\leq 30 \text{ cmH}_2\text{O}$✔️
Pressure control ventilation with PEEP set at $20 \text{ cmH}_2\text{O}$
Synchronized intermittent mandatory ventilation (SIMV) with pressure support of $15 \text{ cmH}_2\text{O}$

Correct Answer Logic:

Correct Answer: B — Lung-protective ventilation (ARDSNet Protocol)

The landmark ARDSNet trial (2000) demonstrated a 22% reduction in mortality using low tidal volume ventilation.

ARDSNet Lung-Protective Ventilation Strategy:

Parameter	Target
Tidal Volume ($V_T$)	$6 \text{ mL/kg}$ IBW (can range $4-8 \text{ mL/kg}$)
Plateau Pressure	$\leq 30 \text{ cmH}_2\text{O}$
PEEP	Titrated based on FiO$_2$/PEEP table
SpO$_2$ target	$88 - 95\%$
pH	$\geq 7.30$ (permissive hypercapnia allowed)

Rationale: High $V_T$ causes volutrauma and barotrauma — key mechanisms of VILI. Low $V_T$ limits overdistension while accepting mild hypercapnia (permissive hypercapnia).

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Law QUESTION #9496

Question 2689

In execution proceedings, the judgment-debtor B claims that the decree has been satisfied by an agreement between himself and the original decree-holder, who has since died. B seeks to raise this in the execution proceedings. The legal representative of the deceased decree-holder insists a separate suit is required. Which forum is correct?

The High Court must certify the satisfaction
The question must be decided by the Court that passed the original decree
B can raise the plea of discharge or satisfaction of the decree in the execution proceedings themselves; all questions relating to execution, discharge or satisfaction of the decree are to be determined by the executing Court under Section 47 CPC✔️
B must file a separate suit to prove discharge of the decree

Correct Answer Logic:

Section 47(1) CPC provides that all questions arising between the parties to a suit in which the decree was passed, or their representatives, relating to the execution, discharge or satisfaction of the decree, shall be determined by the Court executing the decree and not by a separate suit.

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Boilers Mechanical Engineering QUESTION #4017

Question 2690

'Convection' heat transfer in a boiler happens primarily when:

Heat travels through the metal wall
Hot gases flow over the tube surfaces✔️
The sun shines on the boiler
Chemicals are added to the water

Correct Answer Logic:

Radiation happens in the furnace; Conduction happens through the tube walls.

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Accounting & Finance QUESTION #1218

Question 2691

Which of the following statements is generally correct about the reliability of audit evidence?

To be reliable, evidence should be conclusive rather than persuasive
Effective internal control system provides reliable audit evidence✔️
Evidence obtained from outside sources routed through the client
All of these

Correct Answer Logic:

An effective internal control system reduces the risk of material misstatement, making the audit evidence obtained in a well-controlled environment more reliable. Option (A) is incorrect — audit evidence is generally persuasive, not conclusive. Option (C) is incorrect — evidence from outside sources routed through the client is less reliable than direct external confirmation.

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Physics QUESTION #7869

Question 2692

Police car moving towards stationary listener: received frequency:

Decreases
Increases✔️
Stays same
Varies randomly

Correct Answer Logic:

Doppler effect: source towards listener → frequency increases.

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Islamic Studies QUESTION #7886

Question 2693

In which year did Zakat become obligatory (Farz)?

1 A.H.
2 A.H.✔️
3 A.H.
4 A.H.

Correct Answer Logic:

Zakat was made obligatory in 2 A.H. (After Hijrah) in Medina. It is one of the Five Pillars of Islam and represents a mandatory charitable contribution of 2.5% of a Muslim's savings annually, purifying wealth and helping the poor and needy.

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MCQs Section QUESTION #4873

Question 2694

Correct antonym of "COVENANT" is

Prayer
Debate✔️
Garden
Agreement

Correct Answer Logic:

A covenant is a formal, solemn agreement or contract. Its antonym here is 'debate,' implying disagreement or dispute rather than a settled agreement.

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Agronomy QUESTION #2029

Question 2695

The Penman-Monteith equation is used in irrigation management to estimate:

Soil water holding capacity
Reference evapotranspiration ($ET_0$) as the standard for computing crop water requirements✔️
The hydraulic conductivity of soil
The critical period of water requirement for a crop

Correct Answer Logic:

The FAO Penman-Monteith equation is the globally accepted standard for computing reference evapotranspiration ($ET_0$) using climatic variables (temperature, humidity, wind speed, solar radiation). Actual crop ET is then computed as $ET_c = K_c \times ET_0$, where $K_c$ is the crop coefficient.

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Psychology QUESTION #9889

Question 2696

When psychological tests are used in personnel selection, an important concern is:

Cost
Ease of administration
Validity✔️
Objectivity

Correct Answer Logic:

Validity — whether the test predicts job performance and measures relevant competencies — is paramount in employment testing. An invalid test, however cheap or easy, fails its purpose and may create legal liability.

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English QUESTION #2793

Question 2697

Choose the word that BEST COMPLETES the sentence: 'Despite working hard

she could not ___ the target.'✔️
achieve
achieving
achieved

Correct Answer Logic:

No explanation provided for this question.

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Urdu QUESTION #5255

Question 2698

وہ اسم جو اسم یا اسم کی جگہ پر استعمال ہوتا ہے کہلاتا ہے؟

اسمِ ضمیر✔️
اسمِ جامد
اسمِ نکرہ
ان میں سے کوئی نہیں

Correct Answer Logic:

اسمِ ضمیر وہ لفظ ہے جو اسم کی جگہ استعمال ہو، جیسے میں، تم، وہ۔

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Physics QUESTION #1173

Question 2699

Alpha particles and electrons having the same energy — their associated De Broglie wavelengths are:

Equal
Longer than electrons (alpha has longer wavelength)
Smaller than electrons (alpha has shorter wavelength)✔️
None of these

Correct Answer Logic:

De Broglie wavelength: $\lambda = \frac{h}{\sqrt{2mE}}$. At the same kinetic energy $E$, $\lambda \propto \frac{1}{\sqrt{m}}$. Since $m_\alpha \gg m_e$ (alpha particle is ~7294 times heavier), $\lambda_\alpha \ll \lambda_e$. So alpha particles have a much shorter De Broglie wavelength than electrons at the same energy.

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Physics QUESTION #7073

Question 2700

Radioactive substance $A$ has a half-life $T$ and transforms into substance $B$. At $t = 0$, the sample contains only $A$. At a specific time $t$, the ratio of the quantity of $B$ to $A$ is found to be $0.3$. Which of the following expressions correctly defines $t$ in terms of $T$?

$t = \frac{T}{\log(1.3)}$
$t = \frac{T}{2} \frac{\log 2}{\log 1.3}$
$t = T \frac{\log 1.3}{\log 2}$✔️
$t = T \log(1.3)$

Correct Answer Logic:

Let $N_A$ be the remaining nuclei of $A$ and $N_B$ be the produced nuclei of $B$. $N_B/N_A = 0.3 \implies (N_0 - N_A)/N_A = 0.3$. This gives $N_0/N_A = 1.3$, or $N_A = N_0/1.3$. Using the decay law $N = N_0 2^{-t/T}$, we get $1/1.3 = 2^{-t/T}$. Taking logs: $\log(1.3) = (t/T)\log 2$. Solving for $t$ gives $t = T \frac{\log 1.3}{\log 2}$.

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Parameter	Target
Tidal Volume (\(V_T\))	\(6 \text{ mL/kg}\) IBW (can range \(4-8 \text{ mL/kg}\))
Plateau Pressure	\(\leq 30 \text{ cmH}_2\text{O}\)
PEEP	Titrated based on FiO\(_2\)/PEEP table
SpO\(_2\) target	\(88 - 95\%\)
pH	\(\geq 7.30\) (permissive hypercapnia allowed)

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