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Professional QUESTION #1854

In Intelligence Bureau, who is the appointing authority for posts in BPS 1 to 16?

Director-General, Intelligence Bureau
Secretary Interior
PM Office
Officer(s) notified by the Director-General, Intelligence Bureau✔️

Correct Answer Logic:

Rule 6(2) Table entry 2(ii) specifies officer(s) notified by the Director-General, Intelligence Bureau as appointing authority for BPS 1-16 in IB.

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Psychology QUESTION #1459

Question 842

Which type of learning occurs through observing others and imitating their behaviors?

Classical conditioning
Operant conditioning
Observational learning✔️
Latent learning

Correct Answer Logic:

Observational learning (also called social learning or modelling) occurs by watching and imitating others. Albert Bandura's Social Learning Theory (1977) demonstrated this through his Bobo doll experiments, showing children imitated aggressive behaviour modelled by adults. Classical conditioning involves stimulus-response associations; operant conditioning involves reinforcement/punishment; latent learning occurs without immediate reinforcement.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3046

Question 843

'Child-resistant' packaging is primarily intended for:

Medicines used by children
Preventing accidental poisoning in children✔️
High-cost medicines
Medicines that taste like candy

Correct Answer Logic:

Child-resistant closures are designed to be difficult for young children to open.

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Professional QUESTION #1796

Question 844

Which of the following is NOT listed as a component of 'corrupt and fraudulent practices' under Rule 2(f) of the PPRA Rules 2004?

Collusive practices
Coercive practices
Speculative practices✔️
Obstructive practices

Correct Answer Logic:

Rule 2(f) defines corrupt and fraudulent practices as comprising five specific categories: coercive practices, collusive practices, corrupt practices, fraudulent practices, and obstructive practices. 'Speculative practices' is not among the defined categories.

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Library Sciences QUESTION #1568

Question 845

In research methodology for librarians, a 'systematic review' differs from a traditional literature review primarily because it:

Covers fewer sources to save time
Follows a rigorous, pre-specified, and reproducible protocol to identify, appraise, and synthesize all relevant evidence on a question✔️
Is conducted only for medical research
Relies exclusively on unpublished grey literature

Correct Answer Logic:

A systematic review follows a strict, pre-registered methodology — including comprehensive database searching, defined inclusion/exclusion criteria, quality appraisal of studies, and transparent synthesis — to minimize bias. Traditional literature reviews are less structured and more susceptible to selective reporting.

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Others section QUESTION #4790

Question 846

According to Rousseau, legitimate political authority is based on which concept?

Slavery
Force
Social Contract✔️
Divine Right

Correct Answer Logic:

Jean-Jacques Rousseau argued in 'The Social Contract' (1762) that legitimate political authority derives from a social contract among citizens, not from divine right or force.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3675

Question 847

'Phytochemistry' is the study of:

Plant classification
Plant chemicals (phytochemicals)✔️
Plant growth
Soil

Correct Answer Logic:

It focuses on the extraction and identification of plant constituents.

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Logical Reasoning QUESTION #3946

Question 848

Select the pair with a similar relationship to PERMEATE : RUEFUL

Truculent : Merciful✔️
Sadden : Pitiful
Evaporate : Mournful
Penetrate : Sorrowful

Correct Answer Logic:

3

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Electrical Engineering QUESTION #2183

Question 849

In AM with modulation index $\mu = 0.5$, the efficiency (ratio of useful sideband power to total transmitted power) is:

$11.1\%$✔️
$25.0\%$
$33.3\%$
$20.0\%$

Correct Answer Logic:

$\eta = \frac{\mu^2/2}{1+\mu^2/2}\times100 = \frac{0.125}{1.125}\times100 \approx 11.1\%$. At $\mu=1$ (100% modulation), efficiency peaks at only $33.3\%$, illustrating DSB-FC inefficiency.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3417

Question 850

'Galactosemia' is an inherited disorder involving the inability to metabolize:

Glucose
Fructose
Galactose✔️
Sucrose

Correct Answer Logic:

It can cause liver damage and cataracts if not managed with a galactose-free diet.

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Library Sciences QUESTION #1494

Question 851

The intellectual foundation of information organization, as argued by Svenonius (2000), rests primarily on which discipline?

Computer Science
Linguistics and Logic✔️
Sociology and Anthropology
Political Science

Correct Answer Logic:

Svenonius (2000) in 'The Intellectual Foundation of Information Organization' argues that the theoretical basis of information organization rests on linguistics and logic — the principles of how meaning is structured and communicated.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3361

Question 852

'Halophilic' bacteria are those that 'love':

Heat
Cold
Salt✔️
Acid

Correct Answer Logic:

They thrive in high-salinity environments like the Dead Sea.

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Professional QUESTION #1846

Question 853

Which authority constitutes the Selection Board for promotion/transfer to posts in BPS 19 to 21?

Establishment Division
Federal Public Service Commission
Federal Government✔️
Prime Minister

Correct Answer Logic:

Rule 2(b) defines Selection Board as a Board constituted by the Federal Government for selection for promotion or transfer to posts in BPS 19 to 21 and equivalent.

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City and Regional Planning QUESTION #4958

Question 854

Which technique is most effective for reducing urban heat island effect?

Increasing building density
Expanding asphalt surfaces
Green infrastructure and tree planting✔️
Removing vegetation

Correct Answer Logic:

Green infrastructure (green roofs, urban forests, parks) reduces urban heat island effect through evapotranspiration, shading, and lower surface temperatures compared to concrete and asphalt.

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Tourism & Hospitality Management QUESTION #1622

Question 855

In the Tourism Marketing course, the 'marketing mix' for tourism services is complicated by which unique characteristics of services as identified in the curriculum?

Tangibility, Standardization, Storability, and Separability
Intangibility, Inseparability, Variability (heterogeneity), and Perishability✔️
Flexibility, Visibility, Durability, and Affordability
Locality, Seasonality, Profitability, and Scalability

Correct Answer Logic:

The Tourism Marketing course (Module 3) specifically identifies the four distinguishing characteristics of services that complicate the marketing mix: Intangibility (cannot be inspected before purchase), Inseparability (production and consumption occur simultaneously), Variability (quality varies with each delivery), and Perishability (unsold capacity cannot be stored) — all with direct marketing implications.

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Mathematics QUESTION #4154

Question 856

For a uniform lamina in the shape of a triangle with vertices $(0,0)$, $(a,0)$, $(0,b)$, what is the $y$-coordinate of the center of mass?

$\frac{b}{2}$
$\frac{b}{3}$✔️
$\frac{2b}{3}$
$\frac{b}{4}$

Correct Answer Logic:

For a triangular lamina, center of mass is at the centroid: $(\frac{a}{3}, \frac{b}{3})$. So $\bar{y} = \frac{b}{3}$.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3587

Question 857

The 'Taxonomical' classification of drugs is based on:

Natural relationship and phylogeny✔️
Alphabetical order
Healing properties
Physical appearance

Correct Answer Logic:

Taxonomical classification follows the biological hierarchy (Family, Genus, Species).

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Agronomy QUESTION #2044

Question 858

In the context of integrated nutrient management (INM), the concept of 'nutrient budget' refers to:

The financial cost of purchasing fertilizers per cropping season
Quantitative accounting of all nutrient inputs (fertilizers, manures, BNF, irrigation water, atmospheric deposition) versus nutrient outputs (crop removal, leaching, volatilization, runoff) to determine the net soil nutrient balance✔️
The ratio of organic to inorganic fertilizer inputs on a farm
The recommended fertilizer dose published in government guidelines

Correct Answer Logic:

A nutrient budget is a mass balance: Inputs (fertilizers + manures + BNF + deposition + irrigation) − Outputs (grain + straw removal + leaching + volatilization + runoff) = Net balance. A negative balance indicates soil nutrient mining; a positive balance may indicate over-application risk. INM aims to achieve a balanced or slightly positive budget.

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CISA QUESTION #1789

Question 859

Which document is best suited to formally define the relationship between an independent auditor and the engaging organization, and to record the mutually agreed-upon terms?

Audit charter
Annual audit plan
Engagement letter✔️
Auditor's report

Correct Answer Logic:

The engagement letter is used specifically with independent auditors to document the agreed-upon terms of the audit relationship. It records the mutual understanding between the audit committee and the independent auditor, and formally establishes the auditor's responsibility, accountability, and authority to conduct the engagement.

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Boilers Mechanical Engineering QUESTION #4067

Question 860

'Oxygen Scavengers' like Sodium Sulfite are added to:

The fuel
The boiler feed water to remove the last traces of dissolved oxygen✔️
The chimney
The cooling tower

Correct Answer Logic:

This prevents internal corrosion.

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