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Ability / HR / Governance / Special Education QUESTION #5644

Under the GFR principles enforced by the PAO the principle of 'Prudence' requires that expenditure must not be prima facie more than the occasion demands. A government servant incurs lavish hospitality expenditure at a public function claiming it is within the budget allocation. Which principle is MOST directly violated even if funds are available?

Limitations — because actual expenditure may approach the budget allocation
Prudence — because every government servant must exercise the same vigilance over public funds as a person of ordinary prudence would over their own money✔️
Public Advantage — because the expenditure benefits a section of the community
Propriety — because high standards of financial propriety require formal approval

Correct Answer Logic:

Prudence directly applies: expenditure must not be prima facie more than the occasion demands and every government servant must exercise the same vigilance over public funds as a person of ordinary prudence would over their own money. Lavish hospitality directly contradicts this standard even if within budget.

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English QUESTION #2687

Question 2

Identify the correct modal for 'prohibition': 'You ___ park your car in front of the gate.'

could not
must not✔️
may not
need not

Correct Answer Logic:

'Must not' is used to express a strong prohibition or rule.

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Chemistry QUESTION #7788

Question 3

What mass of $\mathrm{Al}_2\mathrm{O}_3$ is produced from 18.5 g Al? $4\mathrm{Al} + 3\mathrm{O}_2 \rightarrow 2\mathrm{Al}_2\mathrm{O}_3$

30.8 g
32.6 g
34.9 g✔️
36.5 g

Correct Answer Logic:

Molar mass Al = 27 g/mol: moles Al = 18.5/27 = 0.685 mol. From stoichiometry: 4 mol Al → 2 mol Al₂O₃, so mol Al₂O₃ = 0.685/2 = 0.3425 mol. Molar mass Al₂O₃ = 102 g/mol: mass = 0.3425×102 = 34.94 g ≈ 34.9 g.

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Geography QUESTION #1245

Question 4

The point in the sky directly over the observer is called:

Horizon
Zenith✔️
Aphelion
None of these

Correct Answer Logic:

The zenith is the point in the celestial sphere directly above an observer — the point at exactly 90° from all points on the observer's horizon. The horizon is the line where the sky meets the Earth. Aphelion is the point in Earth's orbit farthest from the Sun. The zenith is used as a reference point in astronomy and navigation.

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Boilers Mechanical Engineering QUESTION #2495

Question 5

Hooke's Law in shear relates shear stress $\tau$ and shear strain $\gamma$ via the modulus of rigidity $G$. The relationship between $E$, $G$, and Poisson's ratio $\nu$ is:

$E = G(1 + \nu)$
$E = 2G(1 - \nu)$
$E = 2G(1 + \nu)$✔️
$E = G/(2\nu)$

Correct Answer Logic:

From elasticity theory, the three elastic constants are related by $E = 2G(1+\nu)$. For steel: $E \approx 207$ GPa, $G \approx 79.3$ GPa, $\nu \approx 0.292$.

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Ability / HR / Governance / Special Education QUESTION #1899

Question 6

Under Rule 6(4) an Inquiry Officer must hear a case from day to day. In case of adjournment what is normally the maximum period of a single adjournment?

3 days
1 month
1 week✔️
2 weeks

Correct Answer Logic:

Rule 6(4) provides that normally no adjournment shall be for more than a week and every adjournment with reasons shall be reported forthwith to the authorized officer.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3271

Question 7

The 'Buffering System' of the body (like Bicarbonate) works to:

Keep blood sugar constant
Minimize changes in $pH$✔️
Increase energy
Stop bleeding

Correct Answer Logic:

Buffers absorb or release $H^+$ ions to prevent drastic $pH$ swings.

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Chemistry QUESTION #1071

Question 8

Statement I: A hypothetical diatomic molecule with bond order zero is quite stable. Statement II: As bond order increases, the bond length increases.

Statement I is true but Statement II is false
Statement I is false but Statement II is true
Both Statement I and Statement II are true
Both Statement I and Statement II are false✔️

Correct Answer Logic:

Statement I is false — a bond order of zero means no net bonding, so the molecule is NOT stable (e.g., He$_2$ does not exist). Statement II is false — as bond order increases, bond length DECREASES (stronger, shorter bonds). Both statements are false.

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Boilers Mechanical Engineering QUESTION #2401

Question 9

The continuity equation for steady, incompressible flow through a conduit states:

$A_1 V_1 + A_2 V_2 = \text{const}$
$A_1 V_1 = A_2 V_2 = Q = \text{const}$✔️
$\rho_1 V_1 = \rho_2 V_2$
$A_1 / V_1 = A_2 / V_2$

Correct Answer Logic:

For steady incompressible flow, the continuity equation from conservation of mass: $Q=A_1V_1=A_2V_2=\text{const}$ where $Q$ is volumetric flow rate (m³/s).

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Mathematics QUESTION #6019

Question 10

Let $S$ be the set of distinct values of $b$ for which the linear system $x+y+z=1$, $x+ay+z=1$, $ax+by+z=0$ has no solution. Describe the set $S$.

An empty set
An infinite set
A finite set with two or more elements
A singleton✔️

Correct Answer Logic:

Subtract equation 1 from equation 2: $(a-1)y = 0$.

Case $a\neq1$: $y=0$. Then from eq.1 and eq.3: $x+z=1$ and $ax+z=0$, giving $(a-1)x=-1$, so $x=\frac{-1}{a-1}$. This always has a solution for $a\neq1$.

Case $a=1$: System becomes $x+y+z=1$, $x+y+z=1$, $x+by+z=0$. The third equation forces $-1=by-... $ i.e. subtracting eq.1: $(b-1)y=-1$. For no solution we need $b=1$.

So $S=\{1\}$ — a single value. Hence $S$ is a singleton.

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General Knowledge QUESTION #4480

Question 11

_____ authored the book “Prisoner of Geography”.

Tim Marshall✔️
Henry Kissinger
Samuel P. Huntington
None of these

Correct Answer Logic:

Tim Marshall wrote 'Prisoners of Geography'.

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Civil Procedure QUESTION #5683

Question 12

A plaintiff files a notice of voluntary dismissal under Rule 41(a)(1)(A)(i). When is this dismissal with prejudice?

Always, unless the notice states otherwise.
Never, voluntary dismissals are always without prejudice.
If the plaintiff has previously dismissed any federal- or state-court action based on or including the same claim.✔️
Only if the court orders it so.

Correct Answer Logic:

Rule 41(a)(1)(B) contains the 'two-dismissal rule': if the plaintiff has previously dismissed any action based on the same claim, a second notice of dismissal operates as an adjudication on the merits (with prejudice).

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Urdu QUESTION #5238

Question 13

جس سے کسی چیز کو تشبیہ دی جائے اسے کہتے ہیں؟

مشبہ
مشبہ بہ✔️
وجہِ شبہ
حرفِ تشبیہ

Correct Answer Logic:

مشبہ بہ وہ ہے جس سے تشبیہ دی جائے۔ مشبہ وہ ہے جسے تشبیہ دی جائے۔

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Education QUESTION #6782

Question 14

A test developer notices that one MCQ option is consistently longer and more qualified than the other three options, and it is also the correct answer. What test construction error has occurred and how should it be corrected?

The stem does not present a definite problem; rewrite the stem to be a direct question
The relative length of the correct answer provides an unintentional clue; revise distractors to be approximately equal in length to the correct answer by adding qualifying phrases✔️
There are too few distractors; add a fifth option
The item uses a negative stem; convert to a positive format

Correct Answer Logic:

Suggestion 8 in MCQ construction states: the relative length of alternatives should not provide a clue to the answer. Correct answers tend to require qualification to be unambiguously true, making them longer. The fix is to deliberately add similar qualifying phrases to the distractors to equalize length, removing the length clue while preserving plausibility.

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Law QUESTION #5660

Question 15

Which of the following statements is true regarding burden of proof in criminal cases?

General principle is that the witness is to prove the case against the accused.
General principle is that the prosecution is to prove the case against the accused beyond reasonable doubt.✔️
Burden to prove the case beyond doubt often shifts from the prosecution to the accused or the witness.
General principle is that the judge has the power to dispose of the case as he best understands it.

Correct Answer Logic:

The fundamental principle of criminal law is that the prosecution must prove the case against the accused beyond reasonable doubt. The burden of proof rests primarily on the prosecution.

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Ability / HR / Governance / Special Education QUESTION #1871

Question 16

Vacancies in posts in BPS 1 and 2 shall ordinarily be filled on what basis?

All-Pakistan basis
Provincial basis
Regional basis
Local basis✔️

Correct Answer Logic:

Rule 16 states vacancies in posts in BPS 1 and 2 and equivalent shall ordinarily be filled on local basis.

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Egnlish QUESTION #713

Question 17

Which character in "Hamlet" says, "To thine own self be true"?

Hamlet
Polonius✔️
Horatio
Laertes

Correct Answer Logic:

Polonius gives this advice to his son Laertes before he leaves for France.

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Islamic Studies QUESTION #624

Question 18

The Holy Prophet Muhammad (ﷺ) performed Hajjat-ul-Wada'a in:

8th Hijri
9th Hijri
10th Hijri✔️
11th Hijri

Correct Answer Logic:

The Farewell Pilgrimage took place in 10 AH (632 CE).

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Library Sciences QUESTION #1523

Question 19

A 'current awareness service' using serials guides is designed primarily to:

Archive old periodical issues
Keep users informed about new publications and developments in their field of interest✔️
Convert print serials to digital format
Provide interlibrary loan services

Correct Answer Logic:

A current awareness service uses serials guides and periodical indexes to systematically notify users — especially researchers and professionals — about new articles, issues, or publications relevant to their specific subject interests as they are published.

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Physics QUESTION #366

Question 20

Beta ray emitted by a radioactive substance is:

An electron which was existing outside the nucleus
An electron which was existing inside the nucleus
An electron emitted by the nucleus as a result of the decay of neutron inside the nucleus✔️
A pulse of electromagnetic wave

Correct Answer Logic:

Beta decay occurs when a neutron converts to a proton and emits an electron from the nucleus

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