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General Knowledge QUESTION #8959

Question 581

What does the term 'Intifada' mean?

Reconciliation
Uprising✔️
Offence
Negotiation

Correct Answer Logic:

Intifada means 'shaking off' or uprising in Arabic.

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Law QUESTION #9672

Question 582

Article 6 on 'Evidence as to affairs of State' — who decides whether to permit or withhold such evidence?

The presiding Judge
The Federal Government
The officer at the head of the concerned department✔️
The Attorney General

Correct Answer Logic:

Article 6 states that no one shall give evidence from unpublished official records relating to affairs of State except with permission of the officer at the head of the department concerned, who shall give or withhold permission as he thinks fit.

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Economics QUESTION #1710

Question 583

According to the World Bank's income classification using GNI per capita (Atlas method), Pakistan is currently placed in which income category?

Low-income developing economy
Upper-middle-income economy
Lower-middle-income developing economy✔️
None of these

Correct Answer Logic:

The World Bank classifies Pakistan as a lower-middle-income country (LMIC). As of recent classifications, Pakistan's GNI per capita falls within the lower-middle-income range (approximately USD 1,136–4,465). It is above the low-income threshold but well below the upper-middle-income threshold. This classification affects Pakistan's access to concessional lending (IDA blend status) and its obligations under various international agreements.

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Psychology QUESTION #9915

Question 584

Which psychologist developed the need/drive theory of motivation?

Clark Hull✔️
Abraham Maslow
Robert Plutchik
Walter Cannon

Correct Answer Logic:

Clark Hull developed the formal drive reduction theory of motivation in the 1940s–50s, mathematically formalizing relationships between biological needs, drives, habits, and behaviour. Maslow proposed hierarchy of needs; Plutchik an emotions model.

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Information Technology QUESTION #1140

Question 585

Which scheduling algorithm can lead to the 'Convoy Effect'?

Round Robin
Priority Scheduling
First-Come-First-Served (FCFS)✔️
Shortest Job First

Correct Answer Logic:

The Convoy Effect occurs in FCFS when a long-running process stays at the head of the queue, causing shorter processes to wait significantly longer.

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MBBS QUESTION #10340

Question 586

In the electron transport chain, NADH donates electrons at Complex I, whereas FADH2 (generated by succinate dehydrogenase, Complex II) enters at a point that bypasses Complex I entirely. This explains why oxidation of NADH yields more ATP than oxidation of an equivalent amount of FADH2, because:

FADH2 bypasses the proton-pumping step of Complex I, translocating fewer protons overall and thus generating less ATP per molecule oxidized✔️
Both NADH and FADH2 enter the chain at the identical point with identical ATP yield
NADH enters the chain directly at Complex IV, bypassing Complexes I-III
FADH2 enters at Complex I, the same site used by NADH

Correct Answer Logic:

Because FADH2 delivers electrons directly to Complex II (bypassing the proton-pumping activity of Complex I), fewer protons are ultimately translocated across the inner mitochondrial membrane per FADH2 oxidized compared with per NADH oxidized — the classical basis for NADH being assigned a higher ATP yield (traditionally ~2.5 ATP) than FADH2 (~1.5 ATP) in ATP-yield calculations.

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Pakistan Affairs QUESTION #4666

Question 587

Which Pakistani scientist was the sole Nobel Prize winner from Pakistan?

Dr. Ashfaq Ahmed
Dr. Abdus Salam✔️
Dr. Abdul Qadeer Khan
Dr. Salimuzzaman Siddiqui

Correct Answer Logic:

Dr. Abdus Salam was the first Pakistani Nobel Laureate, receiving the 1979 Nobel Prize in Physics for his work on the electroweak unification theory.

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Civil Engineering QUESTION #6566

Question 588

The resultant of a system of concurrent forces can be determined by:

Triangle law
Parallelogram law
Polygon law
All of the above✔️

Correct Answer Logic:

All three laws — Triangle, Parallelogram, and Polygon (Lami's extension) — are valid graphical and analytical methods for finding the resultant of a force system.

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Physics QUESTION #7304

Question 589

A body in one-dimensional motion has zero speed at some instant. At that instant it must have:

Zero velocity✔️
Zero acceleration
Non-zero velocity
Non-zero acceleration

Correct Answer Logic:

Speed is the magnitude of velocity. If speed $= 0$, then $|v| = 0 \Rightarrow v = 0$.

Acceleration need not be zero — for example, a ball at its highest point has $v = 0$ but acceleration $= g$ downward.

Guaranteed: zero velocity only.

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Chemistry QUESTION #7149

Question 590

Which of the following alkaline earth metal nitrates does not contain water of crystallization in its solid form?

$Mg(NO_{3})_{2}$
$Sr(NO_{3})_{2}$
$Ca(NO_{3})_{2}$
$Ba(NO_{3})_{2}$✔️

Correct Answer Logic:

The ability of alkaline earth metal ions to hydrate decreases as the size of the cation increases. Barium ($Ba^{2+}$) has the largest size and lowest charge density among the options provided, meaning it does not have enough polarizing power to hold water molecules. Consequently, $Ba(NO_{3})_{2}$ crystallizes as an anhydrous salt.

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Agronomy QUESTION #2029

Question 591

The Penman-Monteith equation is used in irrigation management to estimate:

Soil water holding capacity
Reference evapotranspiration ($ET_0$) as the standard for computing crop water requirements✔️
The hydraulic conductivity of soil
The critical period of water requirement for a crop

Correct Answer Logic:

The FAO Penman-Monteith equation is the globally accepted standard for computing reference evapotranspiration ($ET_0$) using climatic variables (temperature, humidity, wind speed, solar radiation). Actual crop ET is then computed as $ET_c = K_c \times ET_0$, where $K_c$ is the crop coefficient.

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General Knowledge QUESTION #8726

Question 592

The most abundant mineral in the human body is:

Calcium✔️
Magnesium
Iron
None above

Correct Answer Logic:

Calcium is the most abundant mineral (bones/teeth).

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General Knowledge QUESTION #4814

Question 593

In international relations, a world order dominated by exactly two major powers is termed?

Bipolar✔️
Nationalist
Isolationist
Multipolar

Correct Answer Logic:

A bipolar world order is characterized by two dominant powers that are roughly equal in strength and compete for global influence. The Cold War era (1945–1991) is the classic example of bipolarity.

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Planning QUESTION #4989

Question 594

What does the 'Marchetti constant' suggest about urban form?

Cities should be circular
Average commute time remains stable at ~30 minutes✔️
Population density decreases exponentially
Building heights should be uniform

Correct Answer Logic:

Cesare Marchetti observed that throughout history, people budget approximately 30-60 minutes (average ~30) for one-way commuting, regardless of transportation mode. This constrains city size and influences urban sprawl patterns as speeds increase.

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Education QUESTION #1491

Question 595

The first Educational Conference held in Pakistan after independence took place in:

Lahore, 1948
Karachi, December 1947✔️
Islamabad, 1950
Dacca, 1949

Correct Answer Logic:

Under the leadership of Quaid-e-Azam Muhammad Ali Jinnah, the first educational conference was held in Karachi in December 1947, soon after the creation of Pakistan.

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Social Studies QUESTION #10064

Question 596

The process by which the operating principles of fast-food chains are applied globally is known as:

Globalization
McDonaldization✔️
Westernization
None of these

Correct Answer Logic:

McDonaldization refers to the spread of fast-food-style efficiency, predictability, and standardization worldwide.

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Logical Reasoning QUESTION #3956

Question 597

The meeting was quite jarring because the serious nature of the subject matter was at odds with the _____ of the speaker's delivery.

uniqueness✔️
rapidity
lightness
precision

Correct Answer Logic:

2

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Economics QUESTION #1689

Question 598

The Human Development Index (HDI), published by the UNDP, ranks countries on a normalised scale of:

0 to 1✔️
1 to 100
$-1$ to $+1$
None of these

Correct Answer Logic:

The Human Development Index (HDI) is a composite index measuring average achievements in three key dimensions of human development: (1) long and healthy life (life expectancy), (2) knowledge (education), and (3) decent standard of living (GNI per capita). It is normalised on a scale from 0 (lowest) to 1 (highest). Countries are classified as very high, high, medium, or low human development based on their HDI score.

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General Knowledge QUESTION #11555

Question 599

Which keyboard shortcut recalculates formulas on the active worksheet in Excel?

Ctrl + F9
Shift + F9✔️
F9
F7

Correct Answer Logic:

Shift+F9 recalculates only the active/current worksheet in MS Excel. F9 recalculates all open workbooks; Ctrl+Alt+F9 forces recalculation of all workbooks; Ctrl+F9 minimises the workbook window. This distinction matters for large spreadsheets where full recalculation is time-consuming.

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Physics QUESTION #7857

Question 600

Car hits tree: what is NOT conserved?

Kinetic energy alone✔️
Momentum alone
Momentum and kinetic energy
Neither

Correct Answer Logic:

Inelastic collision: momentum conserved, kinetic energy not.

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