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Biology Zoology Botany QUESTION #1342

Sympathetic and parasympathetic limbs of the Autonomic Nervous System that mostly work opposite to each other are responsible for regulating body homeostasis by:

Involuntary internal process✔️
Involuntary external process
Voluntary internal process
None of these

Correct Answer Logic:

The Autonomic Nervous System (ANS) regulates involuntary internal processes such as heart rate, digestion, glandular secretions, smooth muscle activity, and respiration. The sympathetic division prepares the body for 'fight or flight' and the parasympathetic for 'rest and digest' — both acting automatically without conscious control on internal organs.

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Education QUESTION #6879

Question 5362

According to the socio-emotional management approach, which of the following teacher behaviors is MOST likely to reduce classroom management problems?

Maintaining strict emotional neutrality so that students perceive the teacher as objective
Smiling, showing empathy, capitalizing on student interests, and ensuring active participation by all✔️
Applying consistent punitive consequences for every rule violation without exception
Delivering highly structured lectures with minimal student interaction to maintain focus

Correct Answer Logic:

Socio-emotional management is grounded in the idea that healthy interpersonal relationships and a positive classroom climate significantly reduce management problems. Teachers who smile, are emotionally supportive, show genuine interest in students, and foster participation create pro-social environments that naturally inhibit disruptive behavior.

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Mathematics QUESTION #1307

Question 5363

The D'Alembert solution of the wave equation $u_{xx}=\dfrac{1}{c^2}u_{tt}$ with $u(x,0)=f(x)$ and $u_t(x,0)=g(x)$ is:

$u(x,t)=\dfrac{f(x+ct)+f(x-ct)}{2}+\dfrac{1}{2c}\int_{x-ct}^{x+ct}g(s)\,ds$✔️
$u(x,t)=f(x+ct)+f(x-ct)$
$u(x,t)=\dfrac{f(x+ct)-f(x-ct)}{2}+\dfrac{1}{c}\int_0^x g(s)\,ds$
$u(x,t)=f(x)g(t)$

Correct Answer Logic:

D'Alembert's formula gives the general solution of the 1D wave equation: $u(x,t)=\dfrac{f(x+ct)+f(x-ct)}{2}+\dfrac{1}{2c}\int_{x-ct}^{x+ct}g(s)\,ds$. It represents two travelling waves moving in opposite directions.

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Islamic Studies QUESTION #209

Question 5364

Which was a key feature of the governance of Caliph Umar (رضي الله عنه)?

Centralization of power
Introduction of a judicial system
Creation of a standing army
All of these✔️

Correct Answer Logic:

He is credited with professionalizing the judiciary, army, and administration.

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Logical Reasoning QUESTION #3941

Question 5365

Select the pair with a similar relationship: SOLDIER : REGIMENT

Colonel : Army✔️
Star : Constellation
Worker : Factory
Student : School

Correct Answer Logic:

4

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Urdu QUESTION #5151

Question 5366

مولانا حالی کی طویل نظم مسدسِ حالی کا اصل عنوان کیا ہے؟

مدّ و جزرِ اسلام✔️
مسلمانوں کا تابناک ماضی
حیاتِ طیبہ
مسلمانوں کے عروج و زوال کی داستان

Correct Answer Logic:

مسدسِ حالی کا مکمل عنوان 'مدّ و جزرِ اسلام' ہے جو اسلام کی ترقی اور زوال کی تاریخ پر مبنی ہے۔

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General Knowledge QUESTION #8955

Question 5367

The world-famous Madame Tussauds wax museum is situated in which city?

Paris
London✔️
Rome
New York

Correct Answer Logic:

The original Madame Tussauds is in London.

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Agronomy QUESTION #2030

Question 5368

Crop rotation is defined as the practice of:

Growing the same high-yielding crop continuously on the same land to maximize production
Growing different crops on the same land in a preplanned sequence over successive seasons or years✔️
Intercropping two or more crops simultaneously in the same field
Rotating irrigation schedules among fields in a farm

Correct Answer Logic:

Crop rotation involves growing different crop species on the same piece of land in a defined sequence over time. Benefits include breaking pest and disease cycles, improving soil fertility (especially with legumes), reducing weed pressure, improving soil structure, and distributing labor and market risks.

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General Knowledge QUESTION #8611

Question 5369

Which country is the largest by land area in Africa?

Sudan✔️
Nigeria
Libya
None of these

Correct Answer Logic:

Sudan was the largest until South Sudan split; currently Algeria is largest. Based on old key, Sudan is correct.

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Islamic Studies QUESTION #7907

Question 5370

The Holy Prophet Muhammad (May Peace Be Upon Him) started preaching Islam in public in the year:

613 A.D✔️
610 A.D
606 A.D
609 A.D

Correct Answer Logic:

The Holy Prophet Muhammad (PBUH) started public preaching in 613 CE, three years after receiving the first revelation in 610 CE. The initial three years were spent in secret preaching (Dawah Khafiyah) among close friends and family. Public preaching began when Allah commanded him to "warn your nearest kinsmen."

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Pakistan Affairs QUESTION #4677

Question 5371

The AFPAK policy was announced by the Obama administration in which year?

2008
2009✔️
2007
2010

Correct Answer Logic:

The AFPAK (Afghanistan-Pakistan) policy was announced by President Barack Obama in March 2009. It combined the US strategies for Afghanistan and Pakistan into a single regional policy framework.

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Civil Engineering QUESTION #6585

Question 5372

Railway stations at which a main line or one of its branch lines terminates are classified as:

Terminal Stations✔️
Junction Stations
Halt Stations
None of the above

Correct Answer Logic:

Terminal stations (or terminus stations) are endpoints of a railway line where trains cannot proceed further and must reverse or terminate service. Junction stations are where lines intersect/branch.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3451

Question 5373

'Hormones' are generally transported in the body via:

Nerves
Bloodstream✔️
Lungs
Digestive tract

Correct Answer Logic:

They travel to distant target organs to exert their effects.

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Journalism / Mass Communication QUESTION #6404

Question 5374

The oldest newspaper still in circulation, according to the timeline in the textbook, was published in which country and in which year?

France, 1631 (La Gazette)
Britain, 1621 (The Corrant)
Sweden, 1645 (Post-och Inrikes Tidningar)✔️
Germany, 1605 (Relation)

Correct Answer Logic:

The textbook's historical timeline of newspaper development includes this entry: “1645 — World's oldest newspaper still in circulation, Post-och Inrikes Tidningar, is published in Sweden.” This Swedish newspaper (whose name translates roughly as “Post and Domestic News”) holds the Guinness World Record as the world's oldest continuously published newspaper. Sweden is also home to the world's oldest freedom of information legislation (Freedom of the Press Act, 1766), suggesting Sweden's exceptional historical commitment to a free press. The other dates given — Relation (France, 1605), The Corrant (London, 1621), La Gazette (France, 1631) — are all earlier publications but are no longer in circulation. The distinction between “first newspaper ever” and “oldest newspaper still in circulation” is an important factual nuance.

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Accounting & Finance QUESTION #6125

Question 5375

Sales $800,000; Variable costs $480,000; Fixed costs $280,000. What sales revenue is required for a profit of $200,000?

$520,000
$960,000
$1,000,000✔️
$1,200,000

Correct Answer Logic:

Option C ($1,000,000) is correct.

CS ratio = ($800,000 − $480,000) ÷ $800,000 = 40%

Required sales = (Fixed costs + Target profit) ÷ CS ratio = ($280,000 + $200,000) ÷ 0.40 = $1,000,000

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Education QUESTION #7607

Question 5376

The question 'What subject matter is of value?' is concerned with which foundation of curriculum?

Philosophical foundation✔️
Psychological foundation
Sociological foundation
None of these

Correct Answer Logic:

Philosophical foundations address fundamental questions about what knowledge is most valuable, what truth is, and what purposes education should serve.

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Boilers Mechanical Engineering QUESTION #2524

Question 5377

Poisson's relations for a rotating reference frame with angular velocity $\boldsymbol{\omega}$ give the time derivatives of unit vectors $\hat{i},\hat{j},\hat{k}$ as:

$\dot{\hat{i}}=\hat{i}+\boldsymbol{\omega}$
$\dot{\hat{i}}=\boldsymbol{\omega}\times\hat{i}$✔️
$\dot{\hat{i}}=\boldsymbol{\omega}\cdot\hat{i}$
$\dot{\hat{i}}=\hat{i}/\omega$

Correct Answer Logic:

Poisson's relations state that the time derivatives of the rotating unit vectors are: $\dot{\hat{i}}=\boldsymbol{\omega}\times\hat{i}$, $\dot{\hat{j}}=\boldsymbol{\omega}\times\hat{j}$, $\dot{\hat{k}}=\boldsymbol{\omega}\times\hat{k}$.

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Electrical Engineering QUESTION #2141

Question 5378

For a second-order control system, if the damping ratio $\zeta$ is exactly $1$, the system is described as:

Underdamped
Overdamped
Critically damped✔️
Undamped

Correct Answer Logic:

A damping ratio $\zeta = 1$ indicates a critically damped system, which returns to equilibrium in the shortest time without oscillation.

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Psychology QUESTION #1465

Question 5379

According to Sigmund Freud, which part of the personality is responsible for the moral and ethical aspects of behavior?

Id
Ego
Superego✔️
Libido

Correct Answer Logic:

In Freud's structural model of personality: the Id (unconscious, pleasure principle — drives and impulses), the Ego (reality principle — mediates between id and reality), and the Superego (the moral and ethical conscience — internalized societal rules and values, includes the conscience and ego-ideal). The superego develops around age 5–6 through the resolution of the Oedipus/Electra complex. Libido is psychosexual energy, not a structural component.

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English QUESTION #8530

Question 5380

The synonym of 'Fugitive' is:

Absconder✔️
Vain
Enduring
Weak

Correct Answer Logic:

Fugitive means a person who flees; absconder.

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