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General Knowledge QUESTION #8923

Question 1361

Neil Armstrong was the first human to set foot on the Moon in which year?

1966
1967
1968
1969✔️

Correct Answer Logic:

Apollo 11 landed in 1969.

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Mathematics QUESTION #4098

Question 1362

For \(f(Z)=\dfrac{1}{Z}\), writing \(Z=re^{i\theta}\) gives \(f(Z)=\dfrac{e^{-i\theta}}{r}=\dfrac{\cos\theta}{r}-i\dfrac{\sin\theta}{r}\). So \(u=\dfrac{\cos\theta}{r}\). Verifying the polar C-R equation \(\dfrac{\partial u}{\partial r}=\dfrac{1}{r}\dfrac{\partial v}{\partial\theta}\) where \(v=-\dfrac{\sin\theta}{r}\): the left side equals:

\(-\dfrac{\cos\theta}{r}\)
\(\dfrac{\cos\theta}{r^2}\)
\(-\dfrac{\cos\theta}{r^2}\)✔️
\(\dfrac{\sin\theta}{r^2}\)

Correct Answer Logic:

\(\dfrac{\partial u}{\partial r}=\dfrac{\partial}{\partial r}\left(\dfrac{\cos\theta}{r}\right)=-\dfrac{\cos\theta}{r^2}\). Right side: \(\dfrac{1}{r}\dfrac{\partial}{\partial\theta}\left(-\dfrac{\sin\theta}{r}\right)=\dfrac{1}{r}\cdot\left(-\dfrac{\cos\theta}{r}\right)=-\dfrac{\cos\theta}{r^2}\). ✓ Both sides equal \(-\dfrac{\cos\theta}{r^2}\).

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Education QUESTION #6702

Question 1363

A teacher designs a lesson where students investigate a real-world environmental problem, integrate knowledge from science, social studies, and mathematics, and produce a community action plan. This approach PRIMARILY exemplifies:

Direct instruction with authentic context
Problem-based learning with interdisciplinary integration✔️
Project learning focused on final product
Guided inductive inquiry

Correct Answer Logic:

The scenario describes problem-based learning (PBL) characteristics: authentic real-world problem, interdisciplinary integration, investigation process, and artifact production. While similar to project learning, PBL emphasizes the problem-solving process and inquiry, not just the final product.

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Ability / HR / Governance / Special Education QUESTION #5646

Question 1364

A Financial Adviser disagrees with a Ministry's financial decision within the delegated field. The Secretary of that Ministry also disagrees with the FA's view. What is the CORRECT escalation path?

The Secretary may take up the case with Additional Finance Secretary (Expenditure)/Finance Secretary or the Minister may take it up with the Finance Minister✔️
The CFAO's view prevails since he is the internal financial control authority
The PAO's decision is final within the Ministry and the FA cannot override it
The matter must be referred directly to the Finance Secretary bypassing AFS(E)

Correct Answer Logic:

In case of a difference of opinion with the Financial Adviser the Secretary of the Ministry/Division may take up the case with the Additional Finance Secretary (Expenditure)(AFS-E)/Finance Secretary or the Minister may take it up with the Finance Minister (FM).

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HR and Management QUESTION #6450

Question 1365

In the context of HRM challenges, 'consistency' is particularly important in:

Marketing and branding decisions
Compensation and promotion decisions✔️
Technology adoption choices
Customer service protocols

Correct Answer Logic:

HR policies help maintain consistency and equity, which is particularly important in compensation and promotion decisions. Without HR department coordination, salary structures become uneven and unfair, and promotion decisions may be handled inequitably.

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Mathematics QUESTION #1304

Question 1366

For \(\vec{F}=\left(\dfrac{1}{2}xy^4,\;\dfrac{1}{2}x^4y\right)\), the quantity \(\dfrac{\partial Q}{\partial x}-\dfrac{\partial P}{\partial y}\) needed for Green's Theorem equals:

\(2x^3y-2xy^3\)✔️
\(x^3y-xy^3\)
\(2x^3y+2xy^3\)
\(x^3y+xy^3\)

Correct Answer Logic:

Here \(P=\dfrac{1}{2}xy^4\) and \(Q=\dfrac{1}{2}x^4y\). \(\dfrac{\partial Q}{\partial x}=\dfrac{1}{2}\cdot4x^3y=2x^3y\). \(\dfrac{\partial P}{\partial y}=\dfrac{1}{2}\cdot4xy^3=2xy^3\). So \(\dfrac{\partial Q}{\partial x}-\dfrac{\partial P}{\partial y}=2x^3y-2xy^3\).

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Pakistan Affairs QUESTION #9110

Question 1367

The Sir Creek channel is a disputed area between Pakistan and India. Where is it located?

Punjab & Indian Punjab
Punjab & Himachal Pradesh
Sindh & Indian Gujarat✔️
None of above

Correct Answer Logic:

Sir Creek is in the Rann of Kutch between Sindh and Gujarat.

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Education QUESTION #6726

Question 1368

When a teacher focuses exclusively on left-hemisphere activities (logical, verbal, sequential), students are MOST likely to:

Develop balanced cognitive abilities
Show limited development in creativity and spatial reasoning✔️
Excel in all academic areas
Demonstrate superior problem-solving

Correct Answer Logic:

Left-hemisphere dominance develops verbal, logical, and analytical skills but neglects right-hemisphere functions (creativity, spatial reasoning, intuition, holistic thinking). Balanced instruction should engage both hemispheres to develop complete cognitive capabilities.

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General Knowledge QUESTION #8833

Question 1369

Beijing is the modern name for which former city?

Hiroshima
Yokohama
Peking✔️
Seoul

Correct Answer Logic:

Beijing was formerly known as Peking in the West.

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Mathematics QUESTION #1293

Question 1370

If \(\vec{r} = x\hat{i} + y\hat{j} + z\hat{k}\) and \(r = |\vec{r}|\), then \(\nabla r^n\) equals:

\(nr^{n-2}\)
\(nr^{n-1}\vec{r}\)
\(nr^{n-2}\vec{r}\)✔️
\(nr^n\vec{r}\)

Correct Answer Logic:

Using the chain rule: \(\nabla r^n = n r^{n-1}\nabla r\). Since \(\nabla r = \dfrac{\vec{r}}{r}\), we get \(\nabla r^n = n r^{n-1}\cdot\dfrac{\vec{r}}{r} = nr^{n-2}\vec{r}\).

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Professional QUESTION #1819

Question 1371

Under Section 4 of the Civil Servants Act 1973, every civil servant holds office during the pleasure of whom?

The Prime Minister
The Federal Cabinet
The President✔️
The Chairman Federal Public Service Commission

Correct Answer Logic:

Section 4 of the Civil Servants Act 1973 explicitly states that every civil servant shall hold office during the pleasure of the President. This is an overriding constitutional principle that governs the tenure of all civil servants in the service of Pakistan.

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Library Sciences QUESTION #1552

Question 1372

In the context of time management for library managers, which technique involves categorizing tasks into four quadrants based on urgency and importance?

PERT Chart Analysis
SWOT Analysis
The Eisenhower Matrix✔️
Gantt Chart Scheduling

Correct Answer Logic:

The Eisenhower Matrix (also called the Urgent-Important Matrix) divides tasks into four quadrants: urgent and important (do immediately), important but not urgent (schedule), urgent but not important (delegate), and neither (eliminate). It is widely recommended in library management literature for prioritizing managerial workload.

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Information Technology QUESTION #1136

Question 1373

Which of the following is a characteristic of RISC architecture?

Large instruction set
Variable length instructions
Single-cycle instruction execution✔️
Complex addressing modes

Correct Answer Logic:

Reduced Instruction Set Computer (RISC) focuses on simple instructions that can be executed in a single clock cycle to improve efficiency.

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Physics QUESTION #1001

Question 1374

A force \(\vec{F} = 2\hat{i}+b\hat{j}+\hat{k}\) is applied on a particle and it undergoes displacement \(\hat{i}-2\hat{j}-\hat{k}\). If work done is zero, the value of \(b\) is:

\(\dfrac{1}{2}\)✔️
2
\(\dfrac{1}{3}\)

Correct Answer Logic:

\(W = \vec{F}\cdot\vec{d} = (2)(1)+(b)(-2)+(1)(-1) = 2-2b-1 = 1-2b = 0 \Rightarrow b = \dfrac{1}{2}\).

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Math Physics Chemistry Biology QUESTION #4327

Question 1375

Which type of neurons stimulate muscles to contract in a reflex arc?

Motor neurons✔️
Sensory neurons
Interneurons
Afferent neurons

Correct Answer Logic:

Motor neurons (efferent neurons) carry impulses from the CNS to effectors (muscles and glands), causing muscles to contract in response to a reflex stimulus.

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Geography QUESTION #6319

Question 1376

In the context of sustainable agriculture, the concept of 'ecological footprint' for food production measures:

Land area required to produce food and absorb waste✔️
Carbon emissions per kilogram of food produced
Water usage per calorie of food energy
Pesticide residues in agricultural products

Correct Answer Logic:

Ecological footprint measures the biologically productive land and water area required to: (1) produce the resources consumed and (2) absorb the wastes generated. For agriculture, it accounts for crop/pasture land plus the area needed to sequester CO2 and process other wastes.

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Reading and Writing (Module-1) QUESTION #5354

Question 1377

This text is adapted from Ann Petry’s 1946 novel The Street. Lutie is at her home in Harlem. The sunset was casting a radiant glow over the neighborhood. The street is nice in this light, [Lutie] thought. Children were everywhere, playing ball or darting across the pavement in tag. Girls were jumping rope with great rhythm, moving through the center of the double ropes. Which choice best describes what is happening in the text?

Lutie is observing the appearance of the street at a particular time of day and the events occurring on it.✔️
Lutie is annoyed by the noise of children playing games on her street.
Lutie is puzzled by the rules of certain children's games.
Lutie is spending time alone in her apartment because she doesn't want to interact with her neighbors.

Correct Answer Logic:

The passage focuses on Lutie's thoughts about the 'nice' light and her observations of the children playing outside.

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Pakistan Affairs QUESTION #9089

Question 1378

To the south of Pakistan lies which body of water?

China
Iran
Afghanistan
The Arabian Sea✔️

Correct Answer Logic:

The Arabian Sea is to the south.

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Psychology QUESTION #9756

Question 1379

The concept of 'n-Ach' (need for achievement) was introduced by:

Mc Cleland✔️
Jung
Maslow
None of these

Correct Answer Logic:

David McClelland introduced the concept of n-Ach through his research in the 1950s-60s and developed the TAT to measure it. Jung and Maslow had different theoretical contributions unrelated to n-Ach.

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Contracts QUESTION #5844

Question 1380

A Seller in New York and a Buyer in London agree to the sale of goods. The contract is silent on the choice of law. Does UCC Article 2 apply?

Yes, because the Seller is located in the US.
No, the CISG (Convention on Contracts for the International Sale of Goods) likely applies unless opted out.✔️
Yes, the UCC applies to all international sales.
No, because Article 2 only applies to domestic transactions within a single state.

Correct Answer Logic:

Under Article 2, if a transaction is international and involves signatory nations, the CISG typically preempts the UCC unless the parties explicitly agree otherwise.

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