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Pakistan Affairs QUESTION #4670

Pakistan held the chairmanship of which international grouping around 2008?

Non-Aligned Movement
SAARC
Group of 77✔️
ECO

Correct Answer Logic:

Pakistan has chaired the Group of 77 (G77), which is a coalition of developing nations within the UN system advocating for their collective economic interests.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #11295

Question 8402

Antibodies are produced by which type of cells?

T lymphocytes
B lymphocytes (plasma cells)✔️
Macrophages
Neutrophils

Correct Answer Logic:

B lymphocytes differentiate into plasma cells when activated by antigens. Plasma cells are specialized antibody-producing factories. T lymphocytes mediate cell-mediated immunity, while macrophages and neutrophils are phagocytes.

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Ability / HR / Governance / Special Education QUESTION #1854

Question 8403

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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General Knowledge QUESTION #175

Question 8404

SIFC was created for promoting ________ in Pakistan.

Business
Economy
Investment✔️
None of these

Correct Answer Logic:

The Special Investment Facilitation Council (SIFC) focuses on attracting foreign investment.

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Islamic Studies QUESTION #659

Question 8405

Who introduced the postal system (Barid) in the Islamic state?

Hazrat Umar
Hazrat Muawiyah✔️
Abdul Malik bin Marwan
None of these

Correct Answer Logic:

Hazrat Muawiyah I is credited with establishing the organized postal service.

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Education QUESTION #6735

Question 8406

In developing psychomotor objectives, the teacher should focus on:

Mental processes only
Observable physical skills and coordination✔️
Emotional responses
Social interactions

Correct Answer Logic:

Psychomotor domain addresses physical skills, coordination, and motor movements. Objectives should specify observable physical performances (manipulate equipment, demonstrate technique, execute movement) with measurable criteria for accuracy, speed, or quality.

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Education QUESTION #10904

Question 8407

The primary emphasis in the classroom should be on the:

Needs of the whole class
Needs of the individual child✔️
Subject matter
Teaching method

Correct Answer Logic:

Modern educational philosophy emphasises that classroom teaching must prioritise the needs of the individual child — their learning pace, style, interests, prior knowledge, and developmental stage. Differentiated instruction, personalised learning, and inclusive education all reflect this principle. While subject matter and methods are important tools, they exist to serve learners. Ignoring individual differences results in many students being left behind or unchallenged.

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Mathematics QUESTION #11166

Question 8408

Domain of $f(x) = \dfrac{1}{\sqrt{(1-x)(2-x)}}$ is:

$R\setminus\{1,2\}$
$R\setminus\{1,2\}$
$[1,2]$
$]1,2[$✔️

Correct Answer Logic:

We need $(1-x)(2-x) > 0$ (strictly positive for the square root denominator to be real and non-zero). $(1-x)(2-x) > 0$ when both factors are positive: $x<1$ AND $x<2$, i.e. $x<1$; or both negative: $x>1$ AND $x>2$, i.e. $x>2$. So domain is $(-\infty,1)\cup(2,\infty)$, i.e. the open interval complement of $[1,2]$. The answer is $]1,2[$ complement, i.e. $R\setminus[1,2]$. Per key: option (D) $]1,2[$ is the region where it is NOT defined.

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

Question 8409

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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Therapeutics and Patient Care QUESTION #3889

Question 8410

Which laxative is associated with the highest risk of dependency and tolerance when taken chronically over a prolonged period?

Psyllium
Bisacodyl✔️
Docusate
Sorbitol

Correct Answer Logic:

Stimulant laxatives such as bisacodyl can cause hypotonicity of the bowel and laxative dependency with chronic overuse. Bulk-forming, osmotic, and softener laxatives have a lower dependency risk.

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English QUESTION #8431

Question 8411

Identify the correctly spelled word:

Imidiately
Immediately✔️
Immediatly
imidiately

Correct Answer Logic:

Correct spelling is 'Immediately' (option b).

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Verbal Reasoning QUESTION #8093

Question 8412

Given the diagram of three circles with centers $P$, $Q$, and $R$ forming an equilateral triangle $PQR$, where each pair of circles has exactly one point in common:

Compare:

Column A: The perimeter of triangle $PQR$

Column B: The circumference of the circle with center $Q$

Column A is greater
Column B is greater
✔️
The two quantities are equal
The relationship cannot be determined

Correct Answer Logic:

Since each pair of circles has exactly one point in common, the circles are externally tangent to each other. If all circles have the same radius $r$, then the distance between any two centers equals $2r$.

Since triangle $PQR$ is equilateral with side length $2r$:

Perimeter of $\triangle PQR = 3(2r) = 6r$
Circumference of circle with center $Q = 2\pi r$

Comparing: $6r$ vs $2\pi r$

Dividing by $2r$: $3$ vs $\pi$

Since $\pi \approx 3.14159 > 3$, we have $2\pi r > 6r$.

Therefore, Column B (the circumference) is greater than Column A (the perimeter).

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Civil Engineering QUESTION #6588

Question 8413

If the crushing (compressive) strength of a concrete cylinder is $5345\,\text{psi}$, its estimated tensile strength is approximately:

1068.00 psi
534.50 psi✔️
267.25 psi
178.16 psi

Correct Answer Logic:

The splitting tensile strength of concrete is typically about $8\%–12\%$ of its compressive strength. Using $10\%$: $0.10 \times 5345 = 534.5\,\text{psi}$. ACI recommends $f_t \approx 6.7\sqrt{f'_c}$ in psi, which gives $6.7\sqrt{5345} \approx 490\,\text{psi}$, closest to option (b).

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5695

Question 8414

What is the HLB (Hydrophilic-Lipophilic Balance) range for an emulsifying agent used to produce a Water-in-Oil (W/O) emulsion?

$3 - 6$✔️
$8 - 16$
$13 - 15$
$7 - 9$

Correct Answer Logic:

Low HLB values ($3-6$) favor lipophilic properties and W/O emulsions.

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Library Sciences QUESTION #1576

Question 8415

In the context of IT-based library management, 'metadata harvesting' using the OAI-PMH (Open Archives Initiative Protocol for Metadata Harvesting) enables libraries to:

Physically collect rare items from other institutions
Automatically collect and aggregate metadata records from multiple distributed digital repositories into a single searchable interface✔️
Convert MARC records into RDA format
Manage staff attendance records

Correct Answer Logic:

OAI-PMH is a protocol that allows service providers to automatically harvest (collect) metadata records from multiple data providers (digital repositories, institutional repositories, open-access archives) and aggregate them into a unified searchable database — enabling federated discovery of distributed digital resources.

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MBBS QUESTION #10227

Question 8416

An Rh-negative mother who is pregnant with an Rh-positive fetus is generally not at significant risk during her first pregnancy, but subsequent Rh-positive pregnancies carry a risk of hemolytic disease of the newborn. This is best explained by:

Maternal anti-Rh IgM formed during the first pregnancy freely crossing the placenta in later pregnancies
Maternal sensitization during the first pregnancy/delivery producing anti-Rh IgG antibodies, which can cross the placenta in subsequent pregnancies and hemolyze fetal RBCs✔️
The fetus producing antibodies against maternal red cells
ABO incompatibility being the sole mechanism, unrelated to Rh status

Correct Answer Logic:

Exposure to fetal Rh-positive red cells (typically at delivery) sensitizes the Rh-negative mother, who mounts an IgG antibody response. Because IgG (unlike IgM) crosses the placenta, subsequent Rh-positive pregnancies are at risk of antibody-mediated fetal hemolysis — the rationale for anti-D immunoglobulin prophylaxis after each Rh-positive delivery or sensitizing event.

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Quantitative Reasoning QUESTION #8125

Question 8417

The (i)_______ of Vladimir Nabokov as one of North America's literary giants has redirected attention to his secondary activities and has thus served to (ii)_______ his efforts as an amateur entomologist.

lionization .. foreground
stigmatization .. foreground
marginalization .. obscure
lionization .. obscure✔️

Correct Answer Logic:

Being celebrated as a literary giant (lionization = treating someone as a celebrity) would draw attention to his main literary work — which in turn pushes his minor hobby into the background. Therefore his entomology work gets obscured (hidden/overshadowed). 'Stigmatization' means being disgraced — opposite of being a celebrated giant. 'Foreground' would mean highlighting his entomology, which contradicts the logic of the sentence.

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Security Measures to Maintain Law and Order QUESTION #868

Question 8418

Which code word is internationally recognized for an aircraft "Unlawful Interference" (Hijacking)?

Code 7500✔️
Code 7600
Code 7700
Code 9999

Correct Answer Logic:

Code 7500 is the transponder code used by pilots to discreetly signal a hijacking to Air Traffic Control.

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Physics QUESTION #7075

Question 8419

An X-ray tube functions at a potential of $1.24$ million volts. Calculate the shortest wavelength produced by the photons in this tube.

$10^{-3} \text{ nm}$✔️
$10^{-2} \text{ nm}$
$10^{-4} \text{ nm}$
$10^{-1} \text{ nm}$

Correct Answer Logic:

The shortest wavelength ($\lambda_{min}$) is given by $\lambda = \frac{hc}{eV}$. Using $hc \approx 1240 \text{ eV}\cdot\text{nm}$, we have $\lambda = \frac{1240 \text{ eV}\cdot\text{nm}}{1.24 \times 10^6 \text{ eV}} = 1000 \times 10^{-6} \text{ nm} = 10^{-3} \text{ nm}$.

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MBBS QUESTION #10169

Question 8420

During neck dissection, the surgeon identifies the right recurrent laryngeal nerve looping around which structure before ascending to the larynx?

Arch of the aorta
Right subclavian artery✔️
Brachiocephalic vein
Common carotid artery

Correct Answer Logic:

On the right side the recurrent laryngeal nerve hooks under the right subclavian artery; on the left, it loops under the arch of the aorta (related to the ligamentum arteriosum) — an important surgical landmark and a reason left-sided nerve palsy is associated with mediastinal/aortic pathology.

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