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Library Sciences
QUESTION #1537
Question 1
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?
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 \(x\).
Correct Answer Logic:
\(5x - 15 = 2x + 12\). \(5x - 2x = 12 + 15\). \(3x = 27\). \(x = 9\). Wait: \(5(9-3)=5\times6=30\) and \(2(9+6)=2\times15=30\) β. 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?
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 β 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:
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 __________
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?
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:
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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Chemistry
QUESTION #7407
Question 9
Which is the correct order for the first ionisation potential (IPβ)?
Correct Answer Logic:
IEβ irregularities:
Generally IEβ increases left to right, but Al (3pΒΉ) has lower IEβ than Mg (3sΒ²) because:
Generally IEβ increases left to right, but Al (3pΒΉ) has lower IEβ than Mg (3sΒ²) because:
- Mg has a full 3sΒ² subshell (extra stability)
- Al's 3p electron is shielded by 3s electrons and easier to remove
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General Knowledge
QUESTION #8901
Question 10
It is dangerous to sleep under trees at night because plants release:
Mathematics
QUESTION #6953
Question 11
For each $t\in\mathbb{R}$, let $[t]$ denote the greatest integer $\leq t$. Evaluate: $\displaystyle\lim_{x\to1^+}\dfrac{(1-|x|+\sin|1-x|)\sin\!\left(\dfrac{\pi}{2}[1-x]\right)}{|1-x|\cdot[1-x]}$
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:
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?
Correct Answer Logic:
When federal policy is implemented provincially, administrative accountability becomes fragmented β 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 β a structural challenge unique to public (not private) administration.
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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:
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 Farβs 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?
Correct Answer Logic:
'Refined' pairs logically with 'gentle ways' and the description of a respectful man.
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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.
Correct Answer Logic:
The sentence says we should respect his critical judgment β 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:
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.
Correct Answer Logic:
Sum of first \(n\) natural numbers \(= \dfrac{n(n+1)}{2} = \dfrac{20 \times 21}{2} = 210\). Average \(= \dfrac{210}{20} = 10.5\).
Uploaded by: Fani Warraich
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