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Administration QUESTION #9542

Elton Mayo's Hawthorne experiments began as a study of physical conditions (lighting) on productivity but produced a result that invalidated the original hypothesis. What was the theoretical conclusion, and why did it matter for public administration specifically?

Productivity is maximized through scientific determination of optimal physical conditions for work
Group dynamics, social relationships and the feeling of being 'noticed' are more powerful drivers of productivity than physical variables✔️
Workers are fundamentally motivated by economic incentives and respond to wage-linked performance systems
Informal organizations always conflict with formal structures and must be managed through authority

Correct Answer Logic:

Both the control and experimental groups increased performance regardless of lighting changes. Mayo concluded that productivity was driven by social factors — morale, group belonging, managerial attention. For public administration, this shifted focus from mechanical efficiency (Classical School) to the human and social dimensions of organizational life.

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General Knowledge QUESTION #2597

Question 3542

Linux OS is best described as:

A paid operating system for personal home use only
One of the largest open source operating systems used heavily in business infrastructure and the consumer space✔️
A mobile operating system developed by Apple Inc.
A word processing application similar to Microsoft Word

Correct Answer Logic:

Linux is one of the largest open source operating systems used heavily in business infrastructure and in the consumer space. It powers web servers, supercomputers, many smartphones (via Android), and countless office servers worldwide.

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Reading and Writing (Module-1) QUESTION #10386

Question 3543

The diplomat's ------- remarks, carefully vague on every controversial issue, revealed nothing of her government's actual position.

forthright
equivocal✔️
candid
blunt

Correct Answer Logic:

Remarks that are 'carefully vague' and reveal nothing are 'equivocal.'

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Bio-Technology QUESTION #10572

Question 3544

A cDNA library differs from a genomic library in that it:

Contains only regulatory sequences from the genome
Is constructed from mRNA reverse-transcribed into DNA and lacks introns✔️
Represents only coding sequences from the chromosome without replication
Contains larger DNA inserts than a genomic library

Correct Answer Logic:

A cDNA library is constructed by reverse-transcribing mRNA into complementary DNA (cDNA) using reverse transcriptase. Because mRNA is already processed (spliced), cDNA lacks introns and represents only expressed genes. This is critical when cloning eukaryotic genes into prokaryotic hosts (which lack splicing machinery). A genomic library contains all DNA (exons + introns + non-coding regions).

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General Knowledge QUESTION #4736

Question 3545

How many players are there in each team during a basketball game?

5✔️
7
9
11

Correct Answer Logic:

A standard basketball team has 5 players on the court at any given time, as established by the rules of FIBA and NBA.

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Therapeutics and Patient Care QUESTION #3899

Question 3546

What is the most clinically important advantage of angiotensin II receptor blockers (ARBs) over ACE inhibitors in terms of tolerability?

There is a decreased incidence of hyperkalaemia
They are less likely to cause adverse effects such as dizziness
There is a reduced incidence of cough✔️
They do not interact with non-steroidal anti-inflammatory medications

Correct Answer Logic:

ACE inhibitors cause a dry persistent cough in up to $20\%$ of patients by increasing bradykinin levels. ARBs do not inhibit ACE and therefore have a significantly lower incidence of cough.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3376

Question 3547

Which disaccharide is composed of one molecule of 'Glucose' and one molecule of 'Fructose'?

Maltose
Lactose
Sucrose✔️
Cellulose

Correct Answer Logic:

Sucrose is common table sugar.

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English QUESTION #4443

Question 3548

The repeated breakdown of negotiations only ____ the view that the two sides were not truly committed to the goal of ____ a military confrontation.

established, escalating
reinforced, averting✔️
undermined, avoiding
None of these

Correct Answer Logic:

Failures in negotiation 'reinforce' (strengthen) the idea that the parties aren't trying to 'avert' (prevent) war.

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Federal Rules of Evidence (US) QUESTION #3781

Question 3549

A defendant is on trial for a drive-by shooting. A witness testifies she saw the car but couldn't see the driver. The prosecution then offers a recording of a 911 call made by a bystander (who has since died) 30 seconds after the shooting, saying, 'I just saw [Defendant] driving that car!' Is the recording admissible?

No, because it violates the Confrontation Clause.
Yes, as a Present Sense Impression under Rule 803(1).✔️
No, it is hearsay not subject to an exception.
Yes, as a Dying Declaration under Rule 804(b)(2).

Correct Answer Logic:

Rule 803(1) allows statements describing or explaining an event or condition, made while or immediately after the declarant perceived it. 30 seconds after the event usually qualifies. (Note: Crawford/Confrontation Clause issues may exist, but purely under FRE, 803(1) is the fit).

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Math Physics Chemistry Biology QUESTION #745

Question 3550

Emf = VBL sinθ (related to that):

Volts✔️
Ohm
Newton's
Joules

Correct Answer Logic:

EMF (electromotive force) is measured in Volts. The formula VBL sinθ gives the induced EMF in a conductor moving in a magnetic field.

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General Knowledge QUESTION #4759

Question 3551

One US oil barrel is equivalent to approximately how many litres?

20 litres
30 litres
50 litres
159 litres✔️

Correct Answer Logic:

One US barrel of petroleum is equal to 42 US gallons or approximately 158.987 litres (commonly rounded to 159 litres).

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Math Physics Chemistry Biology QUESTION #4236

Question 3552

Osmoreceptors that detect the osmotic pressure of blood are primarily located in the:

Cerebellum
Medulla oblongata
Hypothalamus✔️
Cerebral cortex

Correct Answer Logic:

Osmoreceptors are in hypothalamus.

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Maths QUESTION #4616

Question 3553

What is $|{-7}|$?

$-7$
$7$✔️
$0$
$\frac{1}{7}$

Correct Answer Logic:

Absolute value is always non-negative. $|{-7}| = 7$

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Biology Zoology Botany QUESTION #10771

Question 3554

Minerals required by the body in relatively large amounts are called:

Macrominerals✔️
Non-Essential minerals
Trace minerals
Microminerals

Correct Answer Logic:

Macrominerals (major minerals) are required in amounts greater than 100 mg/day. They include calcium (Ca), phosphorus (P), magnesium (Mg), sodium (Na), potassium (K), chloride (Cl), and sulfur (S). In contrast, trace minerals (microminerals) are needed in amounts less than 100 mg/day and include iron, zinc, copper, iodine, selenium, and manganese.

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Disaster Management QUESTION #6555

Question 3555

In the context of disaster risk governance, what makes the DMCF (Disaster Management Coordination Forum) essential?

It increases bureaucracy
It provides institutional mechanism for federal-provincial coordination in Pakistan's devolved governance structure✔️
It reduces provincial autonomy
It centralizes decision-making

Correct Answer Logic:

Section 4.1 emphasizes supporting full operationalization of DMCF for federal-provincial coordination. In Pakistan's 18th Amendment context with devolved disaster management, DMCF provides the essential institutional platform for coordinating across governmental levels while respecting provincial mandates.

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Maths QUESTION #4571

Question 3556

If average of $5$ numbers is $20$, what is their sum?

$25$
$100$✔️
$15$
$4$

Correct Answer Logic:

Sum = Average $\times$ Count = $20 \times 5 = 100$

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Accounting & Finance QUESTION #9641

Question 3557

From the Creditors Account: Opening Creditors Rs. 7,600; Cash Paid to Creditors Rs. 20,000; Discount Received Rs. 500; Returns Outward Rs. 2,400; Closing Creditors Rs. 9,500. What is the amount of Credit Purchases?

Rs. 24,800✔️
Rs. 24,300
Rs. 22,000
Rs. 26,400

Correct Answer Logic:

Credit Purchases = Closing Creditors + Cash Paid + Discount Received + Returns Outward – Opening Creditors = 9,500 + 20,000 + 500 + 2,400 – 7,600 = Rs. 24,800.

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English QUESTION #8573

Question 3558

What does the idiom 'to husband one's resources' mean?

to manage one's means with frugality✔️
to hand over everything to husband
to take household expenses from husband
to leave all affairs to life partner

Correct Answer Logic:

'Husband' as a verb means to manage resources carefully.

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The Constitution of Pakistan QUESTION #9377

Question 3559

Article 184 on the Original Jurisdiction of the Supreme Court was omitted by:

The 18th Amendment 2010
The 26th Amendment 2024
The 27th Amendment 2025✔️
The 21st Amendment 2015

Correct Answer Logic:

Article 184, which previously granted the Supreme Court original jurisdiction in certain matters (including suo motu jurisdiction via Article 184(3)), was omitted by the Constitution (Twenty-Seventh Amendment) Act, 2025. Its counterpart jurisdiction was transferred to the newly created Federal Constitutional Court under Articles 175B-175L.

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Boilers Mechanical Engineering QUESTION #2386

Question 3560

The steady-state error for a unit step input applied to a type-zero closed-loop system (with unity feedback) is:

$E_s = 0$
$E_s = \frac{1}{1+K_p}$ where $K_p = \lim_{s\to 0} Y_1(s)$✔️
$E_s = 1$
$E_s = \infty$

Correct Answer Logic:

For a type-zero system with unit step input: $E_s=\frac{1}{1+Y_1(0)}=\frac{1}{1+K_p}$ where $K_p$ is the position error constant. For a type-one system (pole at origin), $E_s=0$ for a step input.

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