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MCQs Section QUESTION #5130

Question 7701

دل رکھنا کا کیا مطلب ہے؟

کسی کو ناراض کرنا
کسی کی دل آزاری کرنا
دل کی بیماری کا شکار ہونا
تسلی دینا✔️

Correct Answer Logic:

دل رکھنا محاورے کا مطلب ہے کسی کی تسلی کرنا یا خوش کرنا۔

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Planning QUESTION #4988

Question 7702

In cost-benefit analysis, if Benefit-Cost Ratio (BCR) is 0.85, the project should be:

Immediately approved
Rejected✔️
Modified and reanalyzed
Implemented with subsidies

Correct Answer Logic:

BCR = $\frac{\text{PV of Benefits}}{\text{PV of Costs}}$ < 1.0 indicates costs exceed benefits, making the project economically unviable from a welfare perspective. Projects should only proceed if BCR ≥ 1.0, meaning benefits justify costs.

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Psychology QUESTION #9887

Question 7703

In general, children who score well on IQ tests tend to have parents who:

Pay for tutors and special schools
Have very high IQs
Punish them if they fail to do well
Spend time with them and actively encourage their development✔️

Correct Answer Logic:

Research consistently shows high-IQ children tend to have parents who actively engage with them, provide stimulating environments, read to them, and offer emotional support. Parental involvement is a stronger predictor than paying for tutors or parental IQ.

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Urdu QUESTION #1410

Question 7704

علامہ اقبال کی مشہور نظمیں شمع و شاعر، خضرِ راہ، طلوعِ اسلام کس ہیئت میں لکھی گئیں؟

مخمس
ترکیب بند✔️
ترجیع بند
مستزاد

Correct Answer Logic:

یہ نظمیں ترکیب بند میں لکھی گئی ہیں۔ ترکیب بند وہ صنف ہے جس میں بندوں کے آخر میں ایک الگ شعر (وصل یا بند) آتا ہے جو ہر بند کے بعد بدلتا ہے۔ ترجیع بند میں یہ شعر ہر بند کے بعد دہرایا جاتا ہے۔ اقبال نے اپنی طویل فلسفیانہ نظموں کے لیے ترکیب بند کو خاص طور پر پسند کیا۔

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Math Physics Chemistry Biology QUESTION #514

Question 7705

When your finger accidentally gets caught in a door, the pain message is sent to your brain through __________.

Homeostasis
Sensory receptors✔️
Caffeine
The medulla

Correct Answer Logic:

Sensory receptors transmit pain signals

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Physics QUESTION #1061

Question 7706

An unpolarized light beam is incident on medium of refractive index 1.73 at Brewster's angle. Then:

Both reflected and transmitted light are perfectly polarized at 60° and 30°
Transmitted light is completely polarized with refraction angle close to 30°
Reflected light is completely polarized and angle of reflection is close to 60°✔️
Reflected light is partially polarized and angle of reflection is close to 30°

Correct Answer Logic:

Brewster's angle: $\tan\theta_B=n=1.73\approx\sqrt{3}\Rightarrow\theta_B=60°$. At Brewster's angle, reflected light is completely polarized (in the plane perpendicular to incidence). Angle of reflection $=60°$. Transmitted light is partially polarized (not completely). Answer: option (3).

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Agronomy QUESTION #2066

Question 7707

The response of crops to micronutrient application follows which relationship, making diagnosis and management more complex than macronutrients?

A linear response with no upper toxicity threshold
A Mitscherlich-type diminishing returns curve identical to macronutrients
A 'Piper-Steenbjerg effect' or Gaussian curve — deficiency at low concentrations, optimum growth at adequate supply, and toxicity (reduced growth) at high concentrations — with a very narrow sufficiency range✔️
A step function where deficiency disappears immediately at the critical concentration

Correct Answer Logic:

Micronutrient response follows a bell-shaped or Gaussian curve: deficiency → optimum → toxicity over a narrow concentration range. This is particularly pronounced for B, Mn, Cu, and Mo. The narrow window between deficiency and toxicity makes micronutrient management far more precise and challenging than macronutrient management.

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MCQs Section QUESTION #5033

Question 7708

علامہ اقبال کی کس فارسی کتاب کا دیباچہ اردو میں ہے؟

ارمغانِ حجاز✔️
پیامِ مشرق
ضربِ کلیم
ان میں سے کوئی نہیں

Correct Answer Logic:

علامہ اقبال کی فارسی کتاب 'ارمغانِ حجاز' کا دیباچہ اردو زبان میں لکھا گیا ہے۔

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HR and Management QUESTION #6423

Question 7709

Which of the following best describes the fundamental difference between Personnel Management and Human Resource Management?

Personnel Management is reactive and administrative; HRM is proactive and strategic✔️
Personnel Management focuses on employee welfare; HRM focuses on cost reduction
Personnel Management is used in manufacturing; HRM is used in services
Personnel Management is centralized; HRM is decentralized

Correct Answer Logic:

The key distinction is that Personnel Management was primarily reactive and administrative (handling records, payroll, compliance), while HRM is proactive and strategic - aligning human resources with organizational goals, focusing on development, and treating people as valuable assets rather than costs.

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English QUESTION #2757

Question 7710

Which sentence uses the COMMA correctly?

I like apples✔️
oranges and
bananas.
I like apples oranges and bananas.

Correct Answer Logic:

oranges

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General Knowledge QUESTION #4800

Question 7711

The International Day of Peace is observed globally on which date each year?

21st September✔️
23rd September
12th October
1st November

Correct Answer Logic:

The International Day of Peace is observed every year on September 21, established by the United Nations in 1981 (and set to this specific date in 2001) to promote peace and non-violence worldwide.

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Chemistry QUESTION #4379

Question 7712

Number of unpaired electrons present in the ground state of $Fe^{3+}$ are (Atomic number of $Fe = 26$):

Three
Four
Five✔️
Six

Correct Answer Logic:

Ground state of $Fe$: $[Ar]\ 3d^6\ 4s^2$. $Fe^{3+}$ loses 3 electrons (first from $4s$, then from $3d$): $[Ar]\ 3d^5$. In $3d^5$, all five $3d$ orbitals have one electron each (Hund's rule), giving $\mathbf{5}$ unpaired electrons.

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Physics QUESTION #416

Question 7713

If inductance is denoted by L and resistance by R

which of the following is true for a choke?✔️
R is large, L is very small
R is very small, L is large
Both R and L are large

Correct Answer Logic:

1

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Education QUESTION #7593

Question 7714

Which is the most appropriate method for obtaining insight into hidden or underlying motivations of individuals?

Non-directive interview✔️
Unstandardized interview
Structured interview
None of these

Correct Answer Logic:

Non-directive (or unstructured) interviews allow respondents to express themselves freely, revealing deeper motivations and feelings that might not emerge in structured formats.

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Quantitative Reasoning QUESTION #8041

Question 7715

PERTAIN: Choose the word most nearly opposite in meaning to this word.

be apathetic
be illegitimate
be irrevocable
be irrelevant✔️

Correct Answer Logic:

PERTAIN means to be relevant or related to something. Its antonym is be irrelevant — having no connection or bearing. 'Be apathetic' means showing no emotion (unrelated). 'Be illegitimate' means unauthorized. 'Be irrevocable' means cannot be undone. None of these are antonyms of 'pertain' except 'be irrelevant.'

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Maths QUESTION #4591

Question 7716

Simplify: $7y - 2y + 4y$

$3y$
$9y$✔️
$14y$
$5y$

Correct Answer Logic:

Combine like terms: $7y - 2y + 4y = (7-2+4)y = 9y$

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Administration QUESTION #9554

Question 7717

Pakistan's federal structure creates a concurrent legislative list under the Constitution. What is the practical administrative implication when the Federal Government creates a welfare programme but relies on provincial governments to implement it?

It violates the principle of unity of direction — each programme must have one head and one plan within a single governmental tier
It creates overlapping authority that may produce inconsistency in implementation standards, accountability gaps and inter-governmental coordination challenges✔️
It requires that provincial civil servants involved in implementation be deputationed to the federal government for the duration of the programme
It necessitates that the National Economic Council formally approve the programme before provinces can begin implementation

Correct Answer Logic:

When federal policy is implemented provincially, administrative accountability becomes fragmented — the federal government sets policy but lacks direct control over delivery, while provinces implement but may not share the same objectives or resources. This produces the classic problem of federal-provincial coordination failure, inconsistent service delivery, and blurred accountability — a structural challenge unique to public (not private) administration.

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Physics QUESTION #7319

Question 7718

A stone dropped from height $h$ hits the ground with momentum $P$. If the same stone is dropped from height $2h$ (100% more), the momentum on hitting the ground changes by approximately:

200%
100%
68%
41%✔️

Correct Answer Logic:

$v = \sqrt{2gh}$, so $P = mv = m\sqrt{2gh}$

New momentum: $P' = m\sqrt{2g(2h)} = \sqrt{2}\,P$

Percentage change $= (\sqrt{2}-1)\times 100 \approx 0.414 \times 100 = \mathbf{41\%}$

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Boilers Mechanical Engineering QUESTION #4033

Question 7719

The 'Saturation Temperature' of steam is:

The temperature at which it starts to freeze
The temperature at which water and steam coexist at a given pressure✔️
Always $200^\circ\text{C}$
The temperature of the chimney

Correct Answer Logic:

Adding more heat at this point turns more water into steam without raising the temperature.

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Psychology QUESTION #9798

Question 7720

The presence of others can interfere with individual performance due to:

Social inhibition
Social loafing
Distraction
All of these✔️

Correct Answer Logic:

All three mechanisms operate: social inhibition (impaired performance on complex tasks), social loafing (reduced effort in groups), and distraction (divided attention). All are documented social facilitation/inhibition effects.

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