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Library Sciences QUESTION #1537

Which management theory, associated with Frederick Winslow Taylor, emphasized scientific analysis of work tasks to maximize efficiency and is sometimes criticized for treating workers as machines?

Human Relations Theory
Systems Theory
Scientific Management Theory✔️
Contingency Theory

Correct Answer Logic:

Scientific Management (Taylorism) focused on analyzing and optimizing work processes through time-and-motion studies to maximize efficiency. Stueart & Moran (2007) note its limited applicability to library settings due to its mechanistic view of workers, which ignores motivation and job satisfaction.

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General Abilities QUESTION #2826

Question 2

If $5(x - 3) = 2(x + 6)$, find $x$.

7
9
11✔️
13

Correct Answer Logic:

$5x - 15 = 2x + 12$. $5x - 2x = 12 + 15$. $3x = 27$. $x = 9$. Wait: $5(9-3)=5\times6=30$ and $2(9+6)=2\times15=30$ ✓. So $x=9$, which is option index 1 (option_2).

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Education QUESTION #6885

Question 3

Which of the following is the MOST accurate definition of 'benchmarking' in the context of behavioral record-keeping in schools?

The process of comparing a student's academic performance against national test score averages
Recording and monitoring student behavior against specific, pre-defined performance indicators at designated intervals✔️
A technique in which teachers rank students' behavioral outcomes relative to their classroom peers
A method of documenting teacher performance during classroom observations for appraisal purposes

Correct Answer Logic:

In behavioral record-keeping, benchmarks are specific reference points tied to observable levels of behavioral performance. They allow teachers and administrators to track whether a student is progressing, plateauing, or regressing in behavioral development over time — similar to how academic benchmarks track cognitive progress.

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General Knowledge QUESTION #8707

Question 4

The famous genetic disease associated with Queen Victoria and European royalty was:

Colour Blindness
Hemophilia✔️
Austrian lip
Down's Syndrome

Correct Answer Logic:

Hemophilia was prevalent among European royal families.

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Math Physics Chemistry Biology QUESTION #568

Question 5

The African sleeping sickness is caused by __________

Entamoeba histolytica
Trypanosoma✔️
Zooflagellates
Ciliates

Correct Answer Logic:

Trypanosoma causes sleeping sickness

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The Constitution of Pakistan QUESTION #9344

Question 6

A Bill to amend the Constitution that would alter the limits of a Province requires, in addition to two-thirds majorities in both Houses, what additional step?

Approval by a joint sitting by three-fourths majority
Approval by the Provincial Assembly concerned by not less than two-thirds of its total membership✔️
A referendum in the affected Province
A separate approval by the Senate alone

Correct Answer Logic:

Article 239(4) imposes this additional territorial integrity safeguard: no Bill altering provincial limits can be presented to the President for assent unless the affected Province's Assembly passes it by votes of not less than two-thirds of its total membership.

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Math Physics Chemistry Biology QUESTION #800

Question 7

The order of rate of diffusion is:

$\text{SO}_2 > \text{CO}_2 > \text{Br}_2 > \text{NH}_3$
$\text{Br}_2 < \text{SO}_2 < \text{CO}_2 < \text{NH}_3$✔️
$\text{Br}_2 > \text{SO}_2 > \text{CO}_2 > \text{NH}_3$
$\text{SO}_2 < \text{CO}_2 < \text{Br}_2 < \text{NH}_3$

Correct Answer Logic:

By Graham's law, rate of diffusion $\propto \dfrac{1}{\sqrt{M}}$. Molar masses: $\text{NH}_3=17 < \text{CO}_2=44 < \text{SO}_2=64 < \text{Br}_2=160$. So $\text{Br}_2 < \text{SO}_2 < \text{CO}_2 < \text{NH}_3$.

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English QUESTION #8408

Question 8

He is interested _______ coin collection.

at
of
with
in✔️

Correct Answer Logic:

'Interested in' is correct.

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Chemistry QUESTION #7407

Question 9

Which is the correct order for the first ionisation potential (IP₁)?

$\text{Na} > \text{Al}$
$\text{Mg} > \text{Al}$✔️
$\text{Ga} > \text{Ca}$
$\text{Mg} > \text{Be}$

Correct Answer Logic:

IE₁ irregularities:
Generally IE₁ increases left to right, but Al (3p¹) has lower IE₁ than Mg (3s²) because:

Mg has a full 3s² subshell (extra stability)
Al's 3p electron is shielded by 3s electrons and easier to remove

Therefore $\text{Mg} > \text{Al}$ is a correct and expected inequality. This is one of the classic exceptions to the smooth IE trend across period 3.

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General Knowledge QUESTION #8901

Question 10

It is dangerous to sleep under trees at night because plants release:

Carbon dioxide✔️
Oxygen
Nitrogen
Hydrogen

Correct Answer Logic:

Plants respire CO2 at night (no photosynthesis).

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Mathematics QUESTION #6953

Question 11

For each $t\in\mathbb{R}$, let $[t]$ denote the greatest integer $\leq t$. Evaluate: $\displaystyle\lim_{x\to1^+}\dfrac{(1-|x|+\sin|1-x|)\sin\!\left(\dfrac{\pi}{2}[1-x]\right)}{|1-x|\cdot[1-x]}$

Equals 1
Equals 0✔️
Equals $-1$
Does not exist

Correct Answer Logic:

As $x\to1^+$: let $h=x-1>0$, so $h\to0^+$. Then $|1-x|=h$, $[1-x]=[-h]=-1$.

$\sin\!\left(\dfrac{\pi}{2}[-h]\right)=\sin\!\left(\dfrac{\pi}{2}\cdot(-1)\right)=\sin(-\pi/2)=-1$

Numerator: $(1-|x|+\sin h)\cdot(-1)$. As $x\to1^+$: $|x|=x=1+h$, so $1-|x|=-h$.

Numerator $= (-h+\sin h)(-1) = h-\sin h$

Denominator: $h\cdot(-1)=-h$

Limit $= \dfrac{h-\sin h}{-h} = -(1-\dfrac{\sin h}{h})\to-(1-1)=\mathbf{0}$

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Geography QUESTION #1249

Question 12

Natural levees are associated with:

Alluvial fans
Flood plains✔️
Deltas
None of these

Correct Answer Logic:

Natural levees are low ridges of alluvial sediment built up along the banks of a river, formed when floodwaters overflow and deposit their heaviest sediment load immediately adjacent to the channel. They are characteristic features of flood plains. As the river repeatedly floods, these ridges grow higher and help confine the river channel.

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Administration QUESTION #9554

Question 13

Pakistan's federal structure creates a concurrent legislative list under the Constitution. What is the practical administrative implication when the Federal Government creates a welfare programme but relies on provincial governments to implement it?

It violates the principle of unity of direction — each programme must have one head and one plan within a single governmental tier
It creates overlapping authority that may produce inconsistency in implementation standards, accountability gaps and inter-governmental coordination challenges✔️
It requires that provincial civil servants involved in implementation be deputationed to the federal government for the duration of the programme
It necessitates that the National Economic Council formally approve the programme before provinces can begin implementation

Correct Answer Logic:

When federal policy is implemented provincially, administrative accountability becomes fragmented — the federal government sets policy but lacks direct control over delivery, while provinces implement but may not share the same objectives or resources. This produces the classic problem of federal-provincial coordination failure, inconsistent service delivery, and blurred accountability — a structural challenge unique to public (not private) administration.

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English QUESTION #8493

Question 14

Select the word SIMILAR in meaning to: Memorable

memorial impose
worth remembering✔️
mending
striking

Correct Answer Logic:

Memorable means worth remembering.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3198

Question 15

The 'Oxygen-Hemoglobin Dissociation Curve' shifts to the RIGHT (releasing more oxygen) due to:

Decreased temperature
Increased $pH$ (Alkalosis)
Increased $CO_2$ and Temperature✔️
Decreased altitude

Correct Answer Logic:

Increased acidity, $CO_2$, and heat (as in exercising tissue) facilitate the release of oxygen.

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Reading and Writing (Module-1) QUESTION #5315

Question 16

The following passage is from Sui Sin Far’s 1912 story 'The Story of One White Woman Who Married a Chinese.' The narrator describes her husband, Liu Kanghi: 'He was a man of ______ and gentle ways, and he had a great respect for all women.' Which choice completes the text with the most logical and precise word?

refined✔️
abrupt
distant
vigorous

Correct Answer Logic:

'Refined' pairs logically with 'gentle ways' and the description of a respectful man.

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Chemistry QUESTION #478

Question 17

Al?F?SiO? is named as

Gibbsite
Emerald✔️
Bauxite
Cryolite

Correct Answer Logic:

This is beryl/emerald composition

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Quantitative Reasoning QUESTION #8028

Question 18

Poe's _______ reviews of contemporary fiction, which often find great merit in otherwise _______ literary gems, must make us respect his critical judgment in addition to his well-known literary talent.

insightful .. unappreciated✔️
thorough .. completed
petulant .. unpopular
enthusiastic .. acclaimed

Correct Answer Logic:

The sentence says we should respect his critical judgment — implying he spotted value others missed. Insightful...unappreciated fits perfectly: his reviews were insightful (showing deep understanding) and he recognized unappreciated works. 'Enthusiastic...acclaimed' contradicts the idea of discovering overlooked gems.

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Electrical Engineering QUESTION #2180

Question 19

A full-wave bridge rectifier with capacitor filter has $V_s = 220\,\text{V}$ (rms) at $50\,\text{Hz}$, $R_L = 1\,\text{k}\Omega$, and $C = 1000\,\mu\text{F}$. The approximate peak-to-peak ripple voltage is:

$3.11\,\text{V}$✔️
$6.22\,\text{V}$
$1.56\,\text{V}$
$12.4\,\text{V}$

Correct Answer Logic:

$V_{peak} = 220\sqrt{2} \approx 311\,\text{V}$. For a full-wave rectifier: $V_r = \frac{V_{peak}}{2fR_LC} = \frac{311}{2\times50\times1000\times10^{-3}} = \frac{311}{100} \approx 3.11\,\text{V}$.

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General Abilities QUESTION #2816

Question 20

Find the average of the first 20 natural numbers.

9.5
10
10.5✔️
11

Correct Answer Logic:

Sum of first $n$ natural numbers $= \dfrac{n(n+1)}{2} = \dfrac{20 \times 21}{2} = 210$. Average $= \dfrac{210}{20} = 10.5$.

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