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Logical Reasoning QUESTION #3952

Question 2781

The increase in red meat intake has become a _____ and _____ issue in public health circles.

abated...dubious✔️
skyrocketed...stressful
abounded...divisive
stabilized...newsworthy

Correct Answer Logic:

4

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Therapeutics and Patient Care QUESTION #3880

Question 2782

Which adverse effect is most commonly reported with the SSRI antidepressant fluoxetine in clinical practice?

Hepatitis
Nose bleeds
Insomnia✔️
Taste disturbances

Correct Answer Logic:

Insomnia and activation (agitation, jitteriness) are among the most frequently reported side effects of fluoxetine, due to its serotonergic and activating properties.

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General Knowledge QUESTION #4780

Question 2783

The headquarters of Greenpeace International is located in which city?

Vancouver
Amsterdam✔️
London
Paris

Correct Answer Logic:

Greenpeace International's headquarters is located in Amsterdam, Netherlands, though the organization was originally founded in Vancouver, Canada in 1971.

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Journalism / Mass Communication QUESTION #6362

Question 2784

The Social Responsibility Theory of the press differs from Libertarianism primarily because it insists that media freedom must be accompanied by which of the following?

Absolute freedom of expression with no restrictions of any kind
Media ownership should be exclusively government-controlled
The media must be self-regulated, show truth/accuracy/objectivity/balance, and treat its ownership as a public trust with accountability to the audience✔️
The media must only publish content approved by a national ethics board

Correct Answer Logic:

The Social Responsibility Theory emerged as a critique of pure Libertarianism. It accepts that the press should be free, but argues that freedom without responsibility is dangerous. Its core features:

Media has obligations to society — it must be truthful, accurate, objective, and balanced
The press should be free but self-regulated through codes of conduct and ethics (not government censorship)
Media should be pluralistic — representing diversity of viewpoints and acting as a forum for ideas
Media ownership is a public trust — journalists are accountable to their audience

This theory recognises media's unique social function: unlike a bakery or factory, media shapes public opinion, educates citizens, and acts as the “fourth pillar of democracy.” Therefore, it must accept a higher standard of responsibility than an ordinary business enterprise.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3313

Question 2785

A 'Pure Culture' contains:

Multiple species of bacteria
Only a single species or strain of microorganism✔️
Only dead bacteria
Microbes and viruses mixed

Correct Answer Logic:

Pure cultures are essential for identifying pathogens and testing antibiotic sensitivity.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3069

Question 2786

Which 'Sugar' is commonly used in chewable tablets because of its sweet taste and cooling effect?

Glucose
Lactose
Mannitol✔️
Fructose

Correct Answer Logic:

Mannitol provides a pleasant mouthfeel and cooling effect for chewables.

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Disaster Management QUESTION #6550

Question 2787

What represents the primary value of integrating indigenous knowledge into risk assessments?

It's free
It provides local context, historical hazard patterns, traditional coping mechanisms, and community-validated understanding of risks✔️
It replaces scientific data
It satisfies stakeholders

Correct Answer Logic:

Section 5.1 emphasizes integrating indigenous knowledge with scientific assessments. Local communities possess generations of observations about hazard patterns, environmental changes, and effective coping strategies that complement but don't replace scientific data.

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Statistics QUESTION #1993

Question 2788

In a randomized complete block design (RCBD) with $t$ treatments and $b$ blocks, the error degrees of freedom is:

$tb - 1$
$(t-1)(b-1)$✔️
$t + b - 1$
$tb - t - b$

Correct Answer Logic:

In RCBD, total df $= tb-1$, treatments df $= t-1$, blocks df $= b-1$. By subtraction, error df $= (tb-1)-(t-1)-(b-1) = tb - t - b + 1 = (t-1)(b-1)$. This is also written as $tb - t - b + 1$, which is identical to $(t-1)(b-1)$.

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Education QUESTION #6906

Question 2789

According to research on lighting and student learning cited in classroom management principles, which of the following is an evidence-based claim?

All students learn best in brightly lit classrooms; dim classrooms should be avoided
Lighting preferences vary among students; bright light can make some students restless and hyperactive, while others learn best in low light✔️
Fluorescent lighting has no impact on student attention or behavioral outcomes
Natural lighting is always superior to artificial lighting for learning outcomes

Correct Answer Logic:

Research in educational psychology and environmental design indicates that students respond differently to lighting intensity. Some learners are more focused and productive in low-light conditions, while others require bright environments. Importantly, excessive brightness can induce restlessness and hyperactivity in some students — meaning lighting should be considered a flexible management variable, not a fixed setting.

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Agronomy QUESTION #2027

Question 2790

Drip irrigation is superior to furrow irrigation in terms of water use efficiency primarily because:

It applies water at higher pressure, forcing deeper percolation
Water is delivered directly to the root zone at low rates, minimizing evaporation, runoff, and deep percolation losses✔️
It requires no energy input unlike furrow irrigation
It can only be used with sandy soils that have high infiltration rates

Correct Answer Logic:

Drip (trickle) irrigation delivers water through emitters directly to the root zone at very low rates matching crop uptake, dramatically reducing evaporation from soil surface, runoff losses, and deep percolation. WUE under drip is typically 85–95% vs 50–60% for surface methods.

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Disaster Management QUESTION #6534

Question 2791

In the context of Pakistan's disaster landscape, what makes GLOFs particularly challenging compared to other flood hazards?

They occur in populated areas
They combine remote occurrence locations, rapid onset, limited monitoring infrastructure, and high destructive potential✔️
They affect larger areas
They happen more frequently

Correct Answer Logic:

Section 5.5 identifies GLOFs as climate-driven hazards requiring specific focus. Their challenges include remote mountain locations, rapid onset leaving little warning time, limited monitoring infrastructure in northern areas, and potentially catastrophic downstream impacts, requiring specialized early warning and community preparedness.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3119

Question 2792

Hydrochloric Acid (HCl) is secreted by which cells in the stomach?

Chief cells
Parietal cells✔️
Mucous cells
G-cells

Correct Answer Logic:

Parietal cells secrete HCl and intrinsic factor (necessary for Vitamin $B_{12}$ absorption).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3492

Question 2793

The botanical name of 'Senna' is:

Cassia angustifolia✔️
Aloe barbadensis
Digitalis lanata
Glycyrrhiza glabra

Correct Answer Logic:

Cassia angustifolia (Indian Senna) is commonly used in pharmacy.

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Mathematics QUESTION #1314

Question 2794

The Fourier series of a function $f(x)$ on $(-\pi,\pi)$ is given by $f(x)=\dfrac{a_0}{2}+\sum_{n=1}^\infty(a_n\cos nx+b_n\sin nx)$. The coefficient $a_0$ is:

$\dfrac{1}{\pi}\int_{-\pi}^{\pi}f(x)\,dx$✔️
$\dfrac{2}{\pi}\int_{-\pi}^{\pi}f(x)\,dx$
$\int_{-\pi}^{\pi}f(x)\,dx$
$\dfrac{1}{2\pi}\int_{-\pi}^{\pi}f(x)\,dx$

Correct Answer Logic:

$a_0=\dfrac{1}{\pi}\int_{-\pi}^{\pi}f(x)\,dx$. Then $a_n=\dfrac{1}{\pi}\int_{-\pi}^{\pi}f(x)\cos nx\,dx$ and $b_n=\dfrac{1}{\pi}\int_{-\pi}^{\pi}f(x)\sin nx\,dx$. The constant term in the series is $\dfrac{a_0}{2}$.

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Biology Zoology Botany QUESTION #1377

Question 2795

Which organelle is involved in modifying, sorting, and packaging proteins for secretion?

Endoplasmic reticulum
Golgi apparatus✔️
Lysosome
Peroxisome

Correct Answer Logic:

The Golgi apparatus (Golgi complex) is the cell's main processing and distribution centre for proteins and lipids. Proteins synthesised in the rough endoplasmic reticulum are transported to the Golgi where they are modified (glycosylation, phosphorylation), sorted, and packaged into vesicles for secretion, delivery to lysosomes, or incorporation into the plasma membrane.

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Pakistan Affairs QUESTION #323

Question 2796

A Supreme Court judge must have been a High Court judge for at least:

Five years✔️
Seven years
Nine years
Fifteen years

Correct Answer Logic:

According to the Constitution, five years of experience as a High Court judge is a prerequisite.

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General Abilities QUESTION #2807

Question 2797

Which of the following numbers is divisible by both 8 and 9?

504
576✔️
648
720

Correct Answer Logic:

For divisibility by 8, the last three digits must be divisible by 8. For divisibility by 9, the digit sum must be divisible by 9. $576 \div 8 = 72$ ✓ and digit sum $= 5+7+6 = 18$, divisible by 9 ✓.

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Boilers Mechanical Engineering QUESTION #4021

Question 2798

'Carryover' is a term used when:

The operator leaves the shift
Chemicals, solids, or water enter the steam line from the drum✔️
The boiler is moved to another site
The fuel tank is full

Correct Answer Logic:

Carryover can lead to scaling in superheaters and damage to turbine blades.

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Agronomy QUESTION #2046

Question 2799

Integrated Pest Management (IPM) in crop protection is best described as:

Exclusive reliance on biological control agents to eliminate all crop pests
A decision-based process using site-specific information to prevent pests from reaching economically damaging levels through coordinated use of multiple compatible tactics including biological, cultural, physical, and chemical methods✔️
Scheduled calendar-based pesticide application to prevent any pest damage
Total elimination of all pest populations from the farm ecosystem

Correct Answer Logic:

IPM is an ecosystem-based strategy that uses economic thresholds to decide when intervention is needed, then employs the most compatible combination of biological (natural enemies), cultural (crop rotation, resistant varieties), physical, and chemical (as last resort) tactics to manage pests below economically damaging levels with minimum environmental impact.

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Chemistry QUESTION #7418

Question 2800

In which of the following options does the arrangement NOT agree with the property variation indicated against it?

$\text{Al}^{3+} < \text{Mg}^{2+} < \text{Na}^+ < \text{F}^-$ (increasing ionic size)
B < C < N < O (increasing first ionisation enthalpy)✔️
$\text{I} < \text{Br} < \text{Cl} < \text{F}$ (increasing electron gain enthalpy)
Li < Na < K < Rb (increasing metallic radius)

Correct Answer Logic:

IE₁ trend in Period 2:
Generally increases left to right, but N (half-filled 2p³) has unexpectedly higher IE₁ than O (2p⁴, one electron paired → easier to remove). So:

Correct order: B < C < O < N (N before O is reversed)

The statement B < C < N < O suggests O has higher IE₁ than N — this is wrong. Option (2) is incorrect.

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