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General Abilities QUESTION #7992

Question 2021

One billion is equal to:

100 Lacs
100 Crores✔️
100 Millions
100 Thousands

Correct Answer Logic:

1 billion $= 1{,}000{,}000{,}000 = 100 \times 10{,}000{,}000 = 100$ Crores (in South Asian counting system).

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Pharmacology and Toxicology QUESTION #3857

Question 2022

What is the principal pharmacological action of isoprenaline when administered therapeutically?

Blocks alpha adrenoceptors
Stimulates beta adrenoceptors✔️
Releases noradrenaline from noradrenergic nerves
Blocks dopaminergic receptors

Correct Answer Logic:

Isoprenaline (isoproterenol) is a non-selective beta adrenoceptor agonist, stimulating both $\beta_1$ and $\beta_2$ receptors, resulting in bronchodilation and positive cardiac chronotropy.

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Accounting & Finance QUESTION #6101

Question 2023

A business creates an allowance for irrecoverable debts at the year end. Which accounting concepts have been applied?

Matching / accruals
Materiality
Prudence
Substance over form

1 and 2
1 and 3✔️
2, 3 and 4
3 and 4 only

Correct Answer Logic:

Option B (1 and 3) is correct.

Matching/Accruals (1): The allowance is recorded in the same period as the related sales revenue.
Prudence (3): The business anticipates a possible future loss and recognises it now, avoiding overstating assets and profits.

Materiality (2) and Substance over form (4) are not specifically relevant here.

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Chemistry QUESTION #1067

Question 2024

Identify the suitable reagent for the conversion of $\text{PhCOCH}_2\text{OCH}_3$ (an ester/ketone) to $\text{PhCH}_2\text{CHO}$ (an aldehyde):

(i) $\text{NaBH}_4$, (ii) $\text{H}^+/\text{H}_2\text{O}$
$\text{H}_2/\text{Pd-BaSO}_4$
(i) $\text{LiAlH}_4$, (ii) $\text{H}^+/\text{H}_2\text{O}$
(i) $\text{AlH(iBu)}_2$, (ii) $\text{H}_2\text{O}$✔️

Correct Answer Logic:

DIBAL-H [$\text{AlH(iBu)}_2$] at low temperature selectively reduces esters to aldehydes by stopping at the aldehyde stage. $\text{LiAlH}_4$ would over-reduce to alcohol and $\text{NaBH}_4$ does not reduce esters. $\text{H}_2/\text{Pd-BaSO}_4$ (Rosenmund) applies to acid chlorides, not esters/ketones.

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Physics QUESTION #7303

Question 2025

The displacement of a particle is given by $s = t^3 - 6t^2 + 3t + 4$ metres. The velocity when acceleration is zero is:

$3\text{ m/s}$
$-12\text{ m/s}$
$42\text{ m/s}$
$-9\text{ m/s}$✔️

Correct Answer Logic:

$v = \dfrac{ds}{dt} = 3t^2 - 12t + 3$

$a = \dfrac{dv}{dt} = 6t - 12$

Setting $a = 0$: $t = 2\text{ s}$

$v\big|_{t=2} = 3(4) - 12(2) + 3 = 12 - 24 + 3 = \mathbf{-9\text{ m/s}}$

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Education QUESTION #6783

Question 2026

The National Education Assessment System (NEAS) was established in Pakistan primarily with funding from the World Bank and DfID in 2003. What was its PRIMARY assessment purpose — and how does this differ from the purpose of the Board of Intermediate and Secondary Education (BISE)?

NEAS certifies individual student performance for promotion; BISE monitors national education standards
NEAS conducts large-scale national assessments to inform policy, monitor curriculum implementation standards, and identify achievement correlates at the system level; BISE conducts high-stakes individual certification examinations (SSC, HSSC) at grades 10 and 12✔️
NEAS administers competitive entrance examinations for public sector jobs; BISE focuses on diagnostic assessment
Both serve identical purposes but operate at different administrative levels

Correct Answer Logic:

NEAS is a system-level monitoring body. It conducts large-scale assessments to give federal policymakers a picture of education quality, monitor curriculum translation into learning, and identify factors affecting achievement. It does not certify individual students. BISE, in contrast, conducts individual-certification high-stakes examinations (SSC at grade 10, HSSC at grade 12) that directly determine students' academic credentials.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3229

Question 2027

'Edema' (tissue swelling) can be caused by:

Increased capillary hydrostatic pressure
Decreased plasma colloid osmotic pressure
Lymphatic obstruction
All of these✔️

Correct Answer Logic:

Any imbalance in Starling forces or lymph drainage can lead to fluid accumulation.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3030

Question 2028

Glycero-gelatin bases are commonly used for:

Rectal suppositories
Vaginal pessaries
Urethral bougies
Both B and C✔️

Correct Answer Logic:

Gelatin-based suppositories are common for vaginal and urethral use.

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Pakistan Affairs QUESTION #9094

Question 2029

Pakistan recognized the People's Republic of China in which year?

1951✔️
1949
1950
1948

Correct Answer Logic:

Pakistan recognized China on May 21, 1951.

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Agronomy QUESTION #2101

Question 2030

Leghemoglobin in legume root nodules serves the critical function of:

Providing carbon skeleton for amide synthesis and nitrogen export to shoots
Maintaining microaerophilic conditions within the infected nodule cells — binding O₂ at high affinity to supply it to bacteroid respiration while keeping free O₂ concentration low enough to protect the oxygen-sensitive nitrogenase enzyme from irreversible inactivation✔️
Transporting fixed nitrogen (as ureides or amides) from nodule to xylem
Synthesizing ATP required for the high energy demand of the nitrogenase reaction

Correct Answer Logic:

Leghemoglobin (a plant-encoded heme protein, heme supplied by bacteroid) maintains the paradox of nodule metabolism: bacteroids need O₂ for ATP production (nitrogenase is highly energy-demanding: 16 ATP/N₂) but nitrogenase is irreversibly destroyed by O₂. Leghemoglobin buffers O₂ at ~10⁻⁸ M (vs atmospheric ~0.2 mM), supplying O₂ for respiration while keeping free O₂ below inhibitory levels — the pink nodule color indicates active BNF.

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Civil Procedure QUESTION #3739

Question 2031

During a trial, a lawyer wants to show a witness a document to help them remember a detail they have forgotten. After looking at the document, the witness says, 'Oh yes, I remember now.' The lawyer then tries to introduce the document itself into evidence. Is the document admissible?

Yes, as 'Past Recollection Recorded.'
No, under 'Refreshing Recollection,' the document itself is not usually admissible as evidence by the party using it to refresh.✔️
Yes, because the witness authenticated it.
No, unless it's a 'Business Record.'

Correct Answer Logic:

Under Rule 612 (Refreshing Recollection), the adverse party can have the writing produced and introduced, but the party using it to refresh the witness's memory generally cannot introduce it as an exhibit (unless it meets another exception like 803(5)).

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The Elections Act 2017 QUESTION #9437

Question 2032

Section 70 fixes minimum polling hours. The Commission shall fix hours which shall not be less than how many hours, and may extend them in exceptional circumstances provided the extension decision is taken at least how long before close of poll?

Six hours; two hours before close
Ten hours; four hours before close
Eight hours; three hours before close✔️
Twelve hours; six hours before close

Correct Answer Logic:

Section 70 states: 'The Commission shall fix the hours, which shall not be less than eight' and the proviso states the extension decision shall be taken 'at least three hours before the close of the poll'.

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Boilers Mechanical Engineering QUESTION #2523

Question 2033

The instantaneous center (IC) of zero velocity for a rigid body in planar motion is the point at which:

Velocity is maximum
Acceleration is zero
The body has zero instantaneous velocity — every other point's velocity is perpendicular to the line joining it to the IC✔️
Angular velocity is zero

Correct Answer Logic:

The instantaneous center of zero velocity is a point where the velocity is zero at that instant. Every point on the body moves perpendicular to its line connecting to the IC, with speed proportional to its distance: $v_P=\omega\cdot r_{P/IC}$.

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Physics QUESTION #7015

Question 2034

A block of mass $m$ is positioned on a surface defined by the vertical cross-section $y = \frac{x^3}{6}$. If the coefficient of static friction is $0.5$, determine the maximum height above the ground at which the block can remain at rest without slipping.

$\frac{1}{3} m$
$\frac{1}{2} m$
$\frac{1}{6} m$✔️
$m$

Correct Answer Logic:

To find the maximum height, we use the condition for slipping: $\tan \theta = \mu$. Since $\tan \theta$ is the slope $\frac{dy}{dx}$, we differentiate $y = \frac{x^3}{6}$ to get $\frac{dy}{dx} = \frac{x^2}{2}$. Setting $\frac{x^2}{2} = 0.5$ gives $x = 1$. Substituting $x=1$ back into the original equation $y = \frac{1^3}{6}$ gives $y = \frac{1}{6}$.

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Islamic Studies QUESTION #7899

Question 2035

Which Nafil Namaz is most liked by Allah?

Ishraq
Zawaal
Chasht
Tahajjud✔️

Correct Answer Logic:

Tahajjud (Night Prayer) is the most beloved Nafil prayer to Allah. It is offered in the last third of the night after sleeping. Allah descends to the lowest heaven during this time and asks, "Is there anyone to invoke Me, that I may respond to his invocation?" The Prophet (PBUH) never missed Tahajjud.

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General Abilities QUESTION #2804

Question 2036

Find the LCM of 12, 18, and 24.

36
48
72✔️
144

Correct Answer Logic:

Prime factorization: $12 = 2^2 \times 3$, $18 = 2 \times 3^2$, $24 = 2^3 \times 3$. LCM = $2^3 \times 3^2 = 8 \times 9 = 72$.

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Mathematics QUESTION #1274

Question 2037

The residue of $\dfrac{5Z-2}{Z(Z-1)}$ at $Z=0$ is:

$5$
$-2$
$2$✔️
$3$

Correct Answer Logic:

Using the residue formula for a simple pole: $\text{Res}_{Z=0}=\lim_{Z\to0}Z\cdot\dfrac{5Z-2}{Z(Z-1)}=\lim_{Z\to0}\dfrac{5Z-2}{Z-1}=\dfrac{-2}{-1}=2$.

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General Abilities QUESTION #4550

Question 2038

What is $30\%$ of $200$?

$30$
$60$✔️
$600$
$230$

Correct Answer Logic:

$30\%$ of $200 = \frac{30}{100} \times 200 = 0.3 \times 200 = 60$

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Nursing QUESTION #9210

Question 2039

A Head Nurse reads a study where the researchers interviewed 12 nurses until no new themes emerged. What sampling method was used?

Quota sampling
Purposive sampling until theoretical saturation✔️
Snowball sampling
Stratified random sampling

Correct Answer Logic:

Correct Answer: B — Purposive sampling until theoretical saturation

In qualitative research, the concept of theoretical (or data) saturation refers to the point at which no new information or themes are emerging from additional data collection.

Why 'purposive sampling'? Qualitative researchers deliberately select participants based on specific characteristics relevant to the research question — this is purposive (or purposeful) sampling.

Comparison of qualitative sampling methods:

Method	Description
Purposive	Deliberate selection based on specific criteria
Snowball	Participants recruit other participants (used for hard-to-reach populations)
Theoretical	Sampling continues until saturation — guided by emerging theory (Grounded Theory)

Sample size in qualitative research is determined by saturation, not pre-calculated formulas.

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Islamic Studies QUESTION #231

Question 2040

Hudaybiyyah peace document was written from the Muslims' side by:

Abu Bakar Siddiq
Zaid bin Thabit
Ali bin Abi Talib✔️
None of these

Correct Answer Logic:

Hazrat Ali (RA) served as the scribe for the Treaty of Hudaybiyyah.

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