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Math Physics Chemistry Biology QUESTION #4235

Question 3381

Arthritis is a disease that primarily affects the

Kidneys
Lungs
Joints✔️
Muscles

Correct Answer Logic:

Arthritis affects joints.

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Professional QUESTION #1843

Question 3382

Under Section 22(2), where no provision for appeal or review exists under the rules, a civil servant aggrieved by any order may make a representation to the authority next above the authority which made the order. However, no representation shall lie on matters relating to what?

Determination of pay or allowances
Determination of fitness to hold a particular post or to be promoted to a higher post or grade✔️
Disciplinary action taken against the civil servant
Transfer orders issued by the appointing authority

Correct Answer Logic:

The proviso to Section 22(2) explicitly bars representations on matters relating to the determination of fitness of a person to hold a particular post or to be promoted to a higher post or grade. Fitness determinations are matters of discretion reserved for the competent authority and are not subject to representational challenge.

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Egnlish QUESTION #689

Question 3383

In "Hamlet," what does the "Ghost" represent?

A hallucination
A literal spirit✔️
Symbol of past sins
None of these

Correct Answer Logic:

The Ghost of King Hamlet is a literal supernatural entity that sets the plot in motion by demanding revenge.

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Pakistan Affairs QUESTION #9114

Question 3384

In which year did Pakistan recognize the People's Republic of China?

1951✔️
1949
1950
1948

Correct Answer Logic:

Pakistan recognized China on May 21, 1951.

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The Elections Act 2017 QUESTION #9422

Question 3385

Section 47(2) requires the Commission to take special measures to reduce gender disparity in voter registration when the variation in registered men and women voters in a constituency exceeds:

Fifteen percent
Five percent
Ten percent✔️
Twenty percent

Correct Answer Logic:

Section 47(2) states: 'Where the variation in the disaggregated data under sub-section (1) is more than ten percent in a constituency, the Commission shall take special measures to reduce such variation.'

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Boilers Mechanical Engineering QUESTION #2379

Question 3386

The transfer function of a PID (Proportional-Integral-Derivative) controller is:

$Y(s) = K + K_I s + K_D s^2$
$Y(s) = K + \frac{K_I}{s} + K_D s$✔️
$Y(s) = \frac{K_I}{s} + K_D s$
$Y(s) = K \cdot K_I \cdot K_D \cdot s$

Correct Answer Logic:

The PID controller combines all three actions: $Y(s)=K+\frac{K_I}{s}+K_D s$. P provides immediate response, I eliminates steady-state error, D adds damping and predictive action.

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General Knowledge QUESTION #4705

Question 3387

Which organization is considered the world's oldest international human rights body?

Amnesty International
Freedom House
Anti-Slavery International✔️
Human Rights Watch

Correct Answer Logic:

Anti-Slavery International, founded in 1839, is the world's oldest international human rights organization, predating Amnesty International (1961) and Freedom House (1941).

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General Knowledge QUESTION #8757

Question 3388

Which of the following countries is situated partly below sea level?

New Zealand
Japan
Turkey
Netherlands✔️

Correct Answer Logic:

The Netherlands has large areas below sea level.

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Pakistan Affairs QUESTION #613

Question 3389

What principle was supported by Bengali politicians for representation in the legislature and executive?

Population✔️
Area
Revenue
None of these

Correct Answer Logic:

Bengal, being the most populous province, advocated for representation based on population .

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2975

Question 3390

Industrial Pharmacy is mainly concerned with:

Hospital drug distribution
Mass production of dosage forms✔️
Retail selling of medicines
Direct patient counseling

Correct Answer Logic:

Industrial pharmacy involves the design, development, and large-scale manufacturing of pharmaceutical products.

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Verbal Reasoning QUESTION #8154

Question 3391

Runner A completed a distance of $\dfrac{4}{5}$ kilometer, while Runner B ran 800 meters. Compare the distances covered by each runner.

Quantity A: The distance Runner A ran

Quantity B: The distance Runner B ran

Quantity A is greater
Quantity B is greater
The two quantities are equal✔️
The relationship cannot be determined from the information given

Correct Answer Logic:

Convert both distances to the same unit.

Runner A ran $\dfrac{4}{5}$ km $= 0.8$ km $= 800$ meters.

Runner B ran $800$ meters.

Both runners covered exactly the same distance: 800 meters.

Therefore the two quantities are equal.

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Mathematics QUESTION #1299

Question 3392

The solution of $\sqrt{1-y^2}\,dx-\sqrt{1-x^2}\,dy=0$ with $y(0)=\dfrac{\sqrt{3}}{2}$ is:

$\arcsin x - \arcsin y = \dfrac{\pi}{3}$
$\arcsin x = \arcsin y - \dfrac{\pi}{3}$✔️
$x + y = \sqrt{3}$
$\arcsin x + \arcsin y = \pi$

Correct Answer Logic:

Integrating: $\arcsin x = \arcsin y + C$. At $x=0$, $y=\dfrac{\sqrt{3}}{2}$: $0=\arcsin\dfrac{\sqrt{3}}{2}+C=\dfrac{\pi}{3}+C\Rightarrow C=-\dfrac{\pi}{3}$. So $\arcsin x=\arcsin y-\dfrac{\pi}{3}$.

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Urdu QUESTION #5028

Question 3393

محاورے کے لیے کم از کم کتنے الفاظ کا ہونا ضروری ہے؟

دو✔️
ایک
تین
ان میں سے کوئی نہیں

Correct Answer Logic:

محاورہ کم از کم دو الفاظ پر مشتمل ہوتا ہے جو مل کر ایک خاص معنی دیتے ہیں۔

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Reading and Writing (Module-1) QUESTION #5361

Question 3394

Climate models suggest that while total rain in the US West might stay the same, it will likely happen in fewer but heavier storms. Scientist Geeta Persad simulated how this would impact aquifers and irrigation. The study found that fewer rain events would lead to more dry days and more irrigation, though this impact depends heavily on the current precipitation levels of the area. Which choice best describes data from the table that support Persad and her colleagues' conclusion?

If baseline precipitation is somewhat concentrated, the amount of water being used for irrigation will increase 0.4% for surface water and 0.9% for groundwater, whereas the amount of water entering aquifers will increase 11.0% if baseline precipitation is evenly distributed.
If baseline precipitation is somewhat concentrated, water use for irrigation will increase only slightly, whereas it will increase 9.0% for surface water and 7.9% for groundwater if baseline precipitation is evenly distributed.✔️
If baseline precipitation is somewhat concentrated, the amount of water entering aquifers will increase 4.9%, while the amount being used for irrigation will increase 0.4% for surface water and 0.9% for groundwater.
If baseline precipitation is somewhat concentrated, water use for irrigation will decline by a small amount, whereas it will increase 11.0% for surface water and 9.0% for groundwater if baseline precipitation is evenly distributed.

Correct Answer Logic:

The conclusion states that irrigation needs are 'highly sensitive' to baseline distribution. Option B contrasts the small 0.4%-0.9% increase (concentrated baseline) with the much larger 9.0%-7.9% increase (even baseline).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3404

Question 3395

'Thyroxine' ($T_4$) contains which essential trace element?

Iron
Zinc
Iodine✔️
Magnesium

Correct Answer Logic:

Iodine deficiency can lead to goiter (enlarged thyroid).

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General Knowledge QUESTION #2591

Question 3396

What is 'Character Encoding' primarily used for in computing?

To compress large files for faster email attachments
To assign binary values to characters so that humans can read them on screen✔️
To convert images into printable text documents
To protect documents with passwords

Correct Answer Logic:

Character encoding is used to assign binary values to characters so that we as humans can read them. Without it, computers — which only understand 1s and 0s — would have no way to display recognizable letters, numbers, or symbols.

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