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Physics QUESTION #4384

When an object attains terminal velocity, its acceleration is:

$9.8\ m/s^2$
Zero✔️
$1\ m/s^2$
$9.8\ m/s^2$ downward

Correct Answer Logic:

At terminal velocity, the net force on the object is zero — drag force equals gravitational force. By Newton's second law: $F_{net} = ma = 0$, so acceleration $a = 0$.

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Reading and Writing (Module-1) QUESTION #10473

Question 6722

The novel was criticized as -------, its plot bearing an uncomfortably close ------- to a dozen earlier bestsellers.

novel . . departure
derivative . . resemblance✔️
inventive . . contrast
groundbreaking . . deviation

Correct Answer Logic:

An unoriginal plot ('derivative') bears a close 'resemblance' to earlier works.

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MCQs Section QUESTION #5208

Question 6723

'اندلس میں اجنبی' اور 'خانہ بدوش' کس کی تصانیف ہیں؟

ابنِ انشا
مستنصر حسین تارڑ✔️
اشفاق احمد
سعادت حسن منٹو

Correct Answer Logic:

اندلس میں اجنبی اور خانہ بدوش مستنصر حسین تارڑ کے مشہور سفر نامے ہیں۔

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Physics QUESTION #7063

Question 6724

A thin convex lens made of crown glass ($\mu = 3/2$) has a focal length $f$ in air. It is subsequently measured in two different liquids with refractive indices $4/3$ and $5/3$, yielding focal lengths $f_1$ and $f_2$ respectively. Which relationship correctly describes these focal lengths?

$f_2 > f$ and $f_1$ becomes negative
$f_1$ and $f_2$ both become negative
$f_1 = f_2 < f$
$f_1 > f$ and $f_2$ becomes negative✔️

Correct Answer Logic:

Using the Lens Maker's Formula: $\frac{1}{f} = \left( \frac{\mu_{lens}}{\mu_{medium}} - 1 \right) \left( \frac{1}{R_1} - \frac{1}{R_2} \right)$.

In Liquid 1 ($\mu = 4/3$): Since $3/2 > 4/3$, the lens remains converging. However, the term $(\frac{\mu_l}{\mu_m} - 1)$ decreases compared to air, so the focal length increases ($f_1 > f$).
In Liquid 2 ($\mu = 5/3$): Since $3/2 < 5/3$, the refractive index of the medium is greater than the lens. This makes the term $(\frac{\mu_l}{\mu_m} - 1)$ negative, meaning the lens becomes diverging ($f_2$ is negative).

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Urdu QUESTION #1406

Question 6725

یوسف خاں کمبل پوش کی وجہِ شہرت بتائیے؟

داستان نویسی
شاعری
سیاحت✔️
تذکرہ نویسی

Correct Answer Logic:

یوسف خاں کمبل پوش (اصل نام: مرزا محمد حسین) اردو کے مشہور سیاح اور سفرنامہ نگار تھے۔ ان کا سفرنامہ ''عجائبات فرنگ'' (یورپ کی سیاحت کا بیان) اردو سفرنامہ نویسی کی ابتدائی اہم مثالوں میں شمار ہوتا ہے۔ وہ انیسویں صدی کے اہم نثر نگار تھے۔

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Aptitude QUESTION #10925

Question 6726

A 3D object has the following orthographic views: Front view is a triangle, Side view is a triangle, Top view is a square. What is the most likely solid?

Cone
Square pyramid✔️
Triangular prism
Cylinder

Correct Answer Logic:

Square Pyramid analysis:

Top view: A square base with diagonals → appears as a square ✓
Front view: Triangular elevation ✓
Side view: Triangular elevation ✓

A cone would give a circular top view. A triangular prism would give a rectangular side view. A cylinder gives circular front/side views.

All three views match a square pyramid perfectly.

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Ability / HR / Governance / Special Education QUESTION #1882

Question 6727

Under Rule 4 which penalties disqualify a government servant from future employment?

Both removal and dismissal from service
Only removal from service
Only dismissal from service✔️
Compulsory retirement and dismissal both

Correct Answer Logic:

Rule 4(2) explicitly states: removal from service does NOT disqualify for future employment but dismissal from service DOES disqualify.

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Math Physics Chemistry Biology QUESTION #11396

Question 6728

During photosynthesis, $CO_2$ works as:

Proton donor✔️
Electron donor
Proton acceptor
Electron acceptor

Correct Answer Logic:

In photosynthesis, $CO_2$ acts as a proton donor (hydrogen acceptor) in the Calvin cycle. $CO_2$ is fixed by RuBisCO and combined with hydrogen (from NADPH) to form glucose. In this reduction process, $CO_2$ receives protons (H⁺) and electrons from NADPH, being reduced to carbohydrate. So $CO_2$ is reduced — it accepts protons/electrons.

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Boilers Mechanical Engineering QUESTION #2501

Question 6729

Poisson's ratio $\nu$ is defined as the ratio of:

$\text{Axial strain}/\text{Lateral strain}$
$\text{Lateral strain}/\text{Axial strain}$ (magnitude)✔️
$\text{Shear strain}/\text{Normal strain}$
$\text{Normal stress}/\text{Lateral stress}$

Correct Answer Logic:

Poisson's ratio: $\nu = -\varepsilon_{lateral}/\varepsilon_{axial}$ (the negative sign makes $\nu$ positive). For most metals, $\nu \approx 0.25\text{–}0.35$.

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Medicinal Chemistry and Biopharmaceutics QUESTION #3820

Question 6730

What organic functional group is produced when a secondary alcohol undergoes oxidation?

Ketone✔️
Primary alcohol
Aldehyde
Ether

Correct Answer Logic:

Oxidation of a secondary alcohol $(\text{R-CHOH-R}')$ yields a ketone $(\text{R-CO-R}')$, because both carbon substituents are retained.

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Reading and Writing (Module-1) QUESTION #10420

Question 6731

The critic's review was ------- , praising the film's cinematography while dismissing its plot as trite.

uniform
mixed✔️
unanimous
glowing

Correct Answer Logic:

Praising one aspect while dismissing another shows a 'mixed' review.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3066

Question 6732

'Isotonic' solutions have the same osmotic pressure as:

Pure water
Blood and tears✔️
Syrup
Oil

Correct Answer Logic:

Isotonic solutions (like $0.9\%~NaCl$) are compatible with body fluids.

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Islamic Studies QUESTION #7894

Question 6733

What is the total number of types of Qias (Analogy)?

Two
Three✔️
Four
Five

Correct Answer Logic:

There are four types of Qias (Analogical Reasoning) in Islamic jurisprudence: (1) Qiyas al-'Illah (reasoning by effective cause), (2) Qiyas al-Dalalah (reasoning by indication), (3) Qiyas al-Shabah (reasoning by resemblance), and (4) Qiyas al-Tard (reasoning by co-existence). Qias is the fourth source of Islamic law after Quran, Sunnah, and Ijma.

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Quantitative Reasoning QUESTION #8003

Question 6734

Since 1813 reaction to Jane Austen's novels has oscillated between ------- and condescension; but in general later writers have esteemed her works more highly than did most of her literary -------.

dismissal...admirers
adoration...contemporaries✔️
disapproval...readers
indifference...followers

Correct Answer Logic:

The sentence indicates that reactions have varied over time, with later writers valuing Austen more than those of her own time. The first blank should pair with 'condescension' to show contrasting reactions. The second blank refers to writers from her own era. Adoration...contemporaries is correct: reactions ranged from adoration to condescension, and later writers valued her more than her contemporaries (those living at the same time) did.

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Administration QUESTION #9563

Question 6735

The concept of 'span of control' and 'organizational levels' are inversely related. A government ministry decides to increase the span of control of its Joint Secretaries from 4 to 8 subordinates. What organizational consequence necessarily follows?

The organization becomes taller with more hierarchical levels to maintain effective supervision
The organization becomes flatter with fewer hierarchical levels, reducing communication layers but increasing supervisory load✔️
The organization requires more managers to maintain the same ratio of supervision across all levels
The organization shifts from functional to geographic departmentalization to manage the wider supervisory responsibility

Correct Answer Logic:

Span of control and organizational levels are inversely related: wider span = fewer levels (flatter structure); narrower span = more levels (taller structure). Increasing span from 4 to 8 means each manager supervises more people, reducing the need for additional management tiers — producing a flatter hierarchy with fewer intermediary levels.

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Psychology QUESTION #1458

Question 6736

Which monocular cue is involved when objects that are farther away appear smaller in size?

Motion parallax
Linear perspective
Texture gradient
Relative size✔️

Correct Answer Logic:

Relative size is the monocular depth cue in which objects that are farther away appear smaller than closer objects of the same type. When we see two identical objects, we perceive the smaller one as farther away. This is distinct from linear perspective (parallel lines converging in the distance) and texture gradient (texture becomes finer with distance). Motion parallax involves objects appearing to move at different speeds based on distance.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3188

Question 6737

'Saltatory Conduction' occurs in:

Unmyelinated fibers
Myelinated fibers✔️
Muscle fibers
Bone cells

Correct Answer Logic:

The impulse 'jumps' between nodes of Ranvier, greatly increasing conduction speed.

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Pakistan Affairs QUESTION #9035

Question 6738

Pakistan has recently been granted observer status in which international organization?

Gulf Cooperation Council (GCC)
Shanghai Cooperation Organization (SCO)✔️
Organization for Economic Cooperation and Development (OECD)
None of the above

Correct Answer Logic:

Pakistan became an SCO observer in 2005 and later a full member in 2017.

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Psychology QUESTION #9864

Question 6739

To mark the onset and termination of adolescence:

Physiological measures are usually used for both boys and girls✔️
Physiological measures are usually used for girls but not for boys
Physiological measures are usually used for onset but not for the end
Psychological measurements are usually used for both boys and girls

Correct Answer Logic:

The beginning of adolescence is marked by physiological measures (menarche for girls; testicular development and voice changes for boys) for both sexes. The end of adolescence is less clearly marked physiologically.

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Bio-Technology QUESTION #10570

Question 6740

Pulsed-field gel electrophoresis (PFGE) is specifically designed to separate:

Proteins by isoelectric point
Very large DNA fragments (30–2000 kbp) that co-migrate in standard gels✔️
RNA transcripts by size under denaturing conditions
Small oligonucleotides (<100 bp) with single-base resolution

Correct Answer Logic:

PFGE separates very large DNA molecules (30–2000 kbp) that cannot be resolved in conventional agarose gels (where all large molecules migrate at the same rate). An alternating/oscillating electric field causes DNA molecules to reorient — larger molecules reorient more slowly, achieving size-based separation. PFGE is used for physical mapping of bacterial chromosomes and epidemiological strain typing.

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