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Education QUESTION #7579

The proposition that language shapes how individuals of a particular culture understand the world is known as which hypothesis?

Sapir-Whorf hypothesis✔️
Leah and Harry hypothesis
Brown and Gilman hypothesis
None of these

Correct Answer Logic:

The Sapir-Whorf hypothesis proposes linguistic relativity, suggesting that the structure of a language influences its speakers' worldview and cognition.

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Boilers Mechanical Engineering QUESTION #2456

Question 2702

The torque $T_r$ required to raise a load $F$ with a square-threaded power screw (pitch diameter $d_m$, lead $l$, friction $\mu$) is:

$T_r = \frac{Fd_m}{2}\left(\frac{l - \pi\mu d_m}{\pi d_m + \mu l}\right)$
$T_r = \frac{Fd_m}{2}\left(\frac{l + \pi\mu d_m}{\pi d_m - \mu l}\right)$✔️
$T_r = \frac{F l}{2\pi}$
$T_r = \mu F d_m$

Correct Answer Logic:

From force equilibrium on the unrolled thread diagram for raising: $T_r = \frac{Fd_m}{2}\cdot\frac{l+\pi\mu d_m}{\pi d_m - \mu l}$. The ideal torque (no friction, $\mu=0$) is $T_0=Fl/(2\pi)$, and screw efficiency $e=T_0/T_r=Fl/(2\pi T_r)$.

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Chemistry QUESTION #7806

Question 2703

Which alcohol has the highest boiling point?

Ethyl alcohol
Isopropyl alcohol
n-Propyl alcohol✔️
tert-Butyl alcohol

Correct Answer Logic:

n-Propyl alcohol (linear) has higher boiling point than branched (isopropyl, tert-butyl) due to greater surface area and stronger London forces. Ethyl alcohol has lower molar mass.

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English QUESTION #8509

Question 2704

The fire was finally brought _______ control.

to
on
under✔️
at

Correct Answer Logic:

'Brought under control' means subdued.

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Psychology QUESTION #9799

Question 2705

Psychology has been most comprehensively defined by psychologists as:

The study of behavior
The study of mental activity
The science that studies behavior and mental processes✔️
All of these

Correct Answer Logic:

The most comprehensive modern definition: the science that studies behaviour and mental processes. This integrates behaviourism (observable actions) and cognitive psychology (internal processes like thought and emotion).

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MCQs Section QUESTION #5291

Question 2706

اردو شعراء میں سب سے پہلے تصوف کس کے ہاں ملتا ہے؟

ذوق
میر درد✔️
غالب
مومن

Correct Answer Logic:

اردو شاعری میں تصوف سب سے پہلے خواجہ میر درد کے ہاں ملتا ہے جو دہلی کے بڑے صوفی شاعر تھے۔

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Nursing QUESTION #9157

Question 2707

A community health nurse is assessing a village. According to the PRECEDE-PROCEED model, which phase involves identifying predisposing, reinforcing, and enabling factors?

Administrative and policy diagnosis
Social diagnosis
Educational and ecological diagnosis✔️
Epidemiological diagnosis

Correct Answer Logic:

In the PRECEDE-PROCEED Model (Green & Kreuter), the phases are:

Social assessment
Epidemiological assessment
Educational and ecological assessment — This phase identifies:

Predisposing factors: knowledge, attitudes, beliefs, values
Enabling factors: skills, resources, barriers
Reinforcing factors: rewards, feedback, social support

This model is widely used in community health nursing to plan and evaluate health education programmes — essential knowledge for Head Nurse and Charge Nurse positions.

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English QUESTION #8486

Question 2708

Select the word SIMILAR in meaning to: chair

Pedestal
Boasting
Seat✔️
Prid

Correct Answer Logic:

A chair is a seat.

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Business, Public administration and Policy QUESTION #10528

Question 2709

Which of the following is not a recognized principle of New Public Management (NPM)?

Privatization of public services
Competition among service providers
Empowerment of citizens as stakeholders✔️
None of these

Correct Answer Logic:

Empowerment of Citizens as a broad participatory principle is more associated with New Public Governance (NPG) and democratic governance models than with NPM. NPM's core principles include: privatization, competition, performance measurement, managerial autonomy, customer orientation, decentralization, and results-based management. While NPM treats citizens as 'customers,' it does not emphasize political empowerment or co-governance.

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MCQs Section QUESTION #5116

Question 2710

انتظار حسین کا کون سا افسانہ ہے جس میں تصوف کو بنیاد بنایا گیا؟

زرو کتا
کایا پلٹ✔️
اکڑی
آخری آدمی

Correct Answer Logic:

کایا پلٹ انتظار حسین کا افسانہ ہے جس میں تصوف کے تصورات کو مرکزی حیثیت دی گئی ہے۔

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11067

Question 2711

A species that can inhabit different geographical areas, with its populations separated by geographic barriers, is known as:

Sympatric
Allopatric✔️
Sibling species
Biospecies

Correct Answer Logic:

Allopatric (Greek: 'other country') describes a species or populations that are geographically separated by physical barriers (mountains, oceans, rivers). Allopatric speciation is the most common mode of speciation — populations separated by geographic barriers evolve independently and may eventually become reproductively isolated. Sympatric species occupy the same geographic area; sibling species are morphologically similar but reproductively isolated; biospecies are defined by reproductive isolation.

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MCQs Section QUESTION #5265

Question 2712

'فاختہ اڑانا' محاورہ ہے، اس کا مطلب ہے:

بانگ لگانا
مزے اڑانا✔️
شور مچانا
تمہیں نہیں کرنا

Correct Answer Logic:

فاختہ اڑانا محاورے کا مطلب ہے مزے کرنا یا عیش کرنا۔

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Math Physics Chemistry Biology QUESTION #571

Question 2713

How many grams of nitrogen can be eliminated in form of uric acid by 50 ml of water?

20
25
30
50✔️

Correct Answer Logic:

50 ml water can eliminate ~50g nitrogen as uric acid

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Pakistan Affairs QUESTION #9034

Question 2714

'Bala Hissar' (The Elevated Fort) is situated in which Pakistani city?

Quetta
Peshawar✔️
Swat
Hyderabad

Correct Answer Logic:

Bala Hissar is an ancient fort in Peshawar.

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Physics QUESTION #7027

Question 2715

A point particle with mass $m$ and velocity $v_0$ undergoes a collision with a stationary particle of the same mass. Following the impact, the total kinetic energy of the system is observed to be $50\%$ greater than the initial kinetic energy. Determine the magnitude of the relative velocity between the two particles after the collision.

$\frac{v_{0}}{2}$
$\frac{v_{0}}{\sqrt{2}}$
$\frac{v_{0}}{4}$
$\sqrt{2}v_{0}$✔️

Correct Answer Logic:

Initial $KE = \frac{1}{2}mv_0^2$. Final $KE = 1.5 \times (\frac{1}{2}mv_0^2)$. Let final velocities be $v_1$ and $v_2$. By conservation of momentum, $mv_0 = m(v_1 + v_2)$, so $v_0 = v_1 + v_2$. The relative velocity is $|v_2 - v_1|$. Using the relation $2(v_1^2 + v_2^2) = (v_1 + v_2)^2 + (v_1 - v_2)^2$ and substituting energy and momentum values, we find the relative velocity is $\sqrt{2}v_0$.

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English QUESTION #4419

Question 2716

Identify the sentence with no spelling error:

Imtiaz Invited me on a diner party at restaurant.
Imtiaz Invited me on a dinner party at restaurant.✔️
Imtiaz Invited me on a dinner party at resturant.
Imtiaz Invited me on a dinnar party at restaurent.

Correct Answer Logic:

The correct spellings are 'dinner' (an evening meal) and 'restaurant' (a place to eat). Option A has 'diner' (a small restaurant or person eating), Option C has 'resturant', and Option D has both 'dinnar' and 'restaurent' — all misspelled.

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Accounting & Finance QUESTION #6205

Question 2717

What does a high 'Price-Earnings (PE) Ratio' typically suggest?

The firm is currently losing money.
Investors expect significant future growth.✔️
The stock is undervalued.
The firm has too much debt.

Correct Answer Logic:

A high PE ratio often indicates that the market expects high future earnings growth [cite: 43].

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General Knowledge QUESTION #8968

Question 2718

Chile has its longest coastline along which ocean?

Atlantic Ocean
Black Sea
Pacific Ocean✔️
Mediterranean Sea

Correct Answer Logic:

Chile's Pacific coast is very long.

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Aptitude QUESTION #10972

Question 2719

The building element that transfers loads from the roof and upper floors to the foundation, and works primarily in axial compression, is called:

Beam
Column✔️
Slab
Lintel

Correct Answer Logic:

A column is a vertical structural member that transfers compressive loads (from floors, roof, beams) downward to the foundation.

Columns work primarily in axial compression.
A beam is a horizontal member that carries loads in bending and shear.
A slab is a flat horizontal plate transferring loads to beams/walls.
A lintel is a horizontal beam over an opening (door, window) carrying the load above it.

In architectural design, column proportioning and spacing (bay size) fundamentally shapes the spatial layout of a building.

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General Knowledge QUESTION #4704

Question 2720

How many Wimbledon singles titles did Martina Navratilova win in total?

Six
Eight
Nine✔️
Eleven

Correct Answer Logic:

Martina Navratilova won 9 Wimbledon singles titles (1978–79, 1982–87, 1990), making her the most successful player in Wimbledon singles history at the time.

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