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Math Physics Chemistry Biology QUESTION #4235

Question 5541

Arthritis is a disease that primarily affects the

Kidneys
Lungs
Joints✔️
Muscles

Correct Answer Logic:

Arthritis affects joints.

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The Elections Act 2017 QUESTION #9468

Question 5542

Section 180(3)(c) prohibits a specific form of election publicity. Which of the following is expressly prohibited as election publicity under this provision?

Broadcasting political advertisements on state television
Affixing hoardings or panaflexes of any size✔️
Printing election manifestos without the Commission's approval
Holding public gatherings exceeding a prescribed number of attendees

Correct Answer Logic:

Section 180(3)(c) expressly states: 'No person or a political party shall — affix hoardings or panaflexes of any size' — this is an absolute prohibition regardless of size.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3023

Question 5543

The most common base used for rectal suppositories is:

Glycerin
Cocoa Butter (Theobroma Oil)✔️
Polyethylene Glycol
Gelatin

Correct Answer Logic:

Cocoa butter is the classic suppository base due to its melting point near body temperature.

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Academic/Professional (Social Sciences) QUESTION #10085

Question 5544

Informal mechanisms of social control primarily operate through:

Legal codification
Socialization and community norms✔️
Judicial punishment
Police enforcement

Correct Answer Logic:

Informal control relies on norms, customs, and socialization rather than codified law.

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Reading and Writing (Module-1) QUESTION #10468

Question 5545

The report's conclusions were -------, supported by so much data that even skeptics found them -------.

dubious . . questionable
irrefutable . . convincing✔️
speculative . . doubtful
contentious . . debatable

Correct Answer Logic:

Conclusions no one can challenge are 'irrefutable' and thus 'convincing' even to skeptics.

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MCQs Section QUESTION #5163

Question 5546

اردو براج بھاشا سے نکلی ہے، یہ کس ادیب سے منسوب ہے؟

مولانا محمد حسین آزاد✔️
مولانا الطاف حسین حالی
مقصود حسین
ان میں سے کوئی نہیں

Correct Answer Logic:

یہ نظریہ مولانا محمد حسین آزاد کے ساتھ منسوب کیا جاتا ہے۔

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Disaster Management QUESTION #6523

Question 5547

Which gender-sensitive DRR intervention addresses root causes rather than symptoms of vulnerability?

Providing separate relief distribution lines for women
Ensuring women's participation in disaster risk governance and decision-making✔️
Offering gender-specific emergency supplies
Creating women-only evacuation centers

Correct Answer Logic:

Section 13.1 emphasizes equal representation in DRR decision-making processes. While targeted relief measures are important, systemic gender equity in governance addresses the root causes of vulnerability by ensuring women's perspectives shape policies, resource allocation, and risk reduction strategies.

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Physics QUESTION #4406

Question 5548

An incompressible fluid flows through a pipe that becomes narrower in one section. The fluid speed increases in that region to maintain:

Constant pressure
Constant energy
Constant mass flow rate✔️
Constant volume

Correct Answer Logic:

By the equation of continuity: $A_1v_1 = A_2v_2$. For an incompressible fluid, the volume flow rate (and hence mass flow rate) must remain constant. When area decreases, velocity increases to maintain $\dot{m} = \rho Av = $ constant.

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Pakistan Affairs QUESTION #9064

Question 5549

The country located to the east of Pakistan is:

Iran
India✔️
China
Afghanistan

Correct Answer Logic:

India is east of Pakistan.

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Chemistry QUESTION #7385

Question 5550

The four orbitals 4d, 5p, 5f, and 6p, arranged in order of decreasing energy, give the correct sequence:

5f > 6p > 5p > 4d✔️
6p > 5f > 5p > 4d
6p > 5f > 4d > 5p
5f > 6p > 4d > 5p

Correct Answer Logic:

Using $(n + \ell)$ rule:

5f: $n+\ell = 5+3 = 8$
6p: $n+\ell = 6+1 = 7$
5p: $n+\ell = 5+1 = 6$
4d: $n+\ell = 4+2 = 6$, but lower $n$ so lower energy than 5p

Decreasing energy order: 5f > 6p > 5p > 4d

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The Constitution of Pakistan QUESTION #9364

Question 5551

Article 77 prohibits levying of taxes for purposes of the Federation except by or under authority of an Act of Parliament. This rule is different from Article 73 in that:

Article 73 deals with taxes at provincial level
Article 73 deals with the procedure for Money Bills; Article 77 prevents taxes outside legislative authority entirely✔️
Article 77 allows the President to levy taxes by ordinance
They are identical provisions

Correct Answer Logic:

Article 77 is a substantive prohibition — no federal tax without parliamentary authority. Article 73 is a procedural provision governing how Money Bills (including tax bills) must originate (in the National Assembly only) and the limited role of the Senate. They address distinct constitutional concerns.

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Chemistry QUESTION #429

Question 5552

The process of effusion is best understood by __________ law.

Graham's✔️
Charles's
Boyle's
None of these

Correct Answer Logic:

Graham's law describes effusion rates

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Planning QUESTION #4970

Question 5553

What is the primary limitation of Euclidean Zoning in modern urban planning?

It allows mixed-use development
It separates incompatible uses too rigidly✔️
It provides too much flexibility
It ignores environmental concerns

Correct Answer Logic:

Euclidean Zoning (named after Village of Euclid v. Ambler Realty Co.) rigidly separates land uses into single-use zones, leading to sprawl, increased travel distances, and reduced walkability—contradicting contemporary mixed-use and sustainable development principles.

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General Knowledge QUESTION #11490

Question 5554

Which key removes the character located directly to the right of the insertion point?

End
Backspace
Home
Delete✔️

Correct Answer Logic:

The Delete key removes the character to the right of the cursor (forward deletion). The Backspace key removes the character to the left (backward deletion). Ctrl+Delete deletes the word to the right; Ctrl+Backspace deletes the word to the left.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3037

Question 5555

'Autoclaving' uses which type of heat for sterilization?

Dry heat
Moist heat (Steam under pressure)✔️
Radiant heat
Chemical heat

Correct Answer Logic:

Autoclaving is the most effective method of moist heat sterilization.

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General Knowledge QUESTION #8825

Question 5556

Which country has been declared a 'major non-NATO ally' of the United States?

Turkey
Pakistan✔️
India
Italy

Correct Answer Logic:

Pakistan is a major non-NATO ally.

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Math Physics Chemistry Biology QUESTION #4193

Question 5557

Which of the following statement is incorrect with reference to the enzyme action?

Substrate binds with the enzyme at its active site
Non-competitive inhibitor binds the enzyme at a site distinct from that of active site
Addition of a lot of succinate do not reverse the inhibition of succinic dehydrogenase by malonate✔️
malonate is a competitive inhibitor of succinic dehydrogenase

Correct Answer Logic:

Adding excess succinate can reverse competitive inhibition by malonate, so this statement is incorrect.

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Chemistry QUESTION #7816

Question 5558

Which sub-shell does not exist?

1p✔️
1s
5d
6f

Correct Answer Logic:

For n=1, l can be 0 only (s orbital). 1p would require l=1, not possible. 1s exists; 5d and 6f exist for higher n.

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Agronomy QUESTION #2104

Question 5559

The 'compensation point' in crop photosynthesis refers to:

The temperature at which photosynthesis equals the maximum theoretical rate
The light intensity (light compensation point) or CO₂ concentration (CO₂ compensation point) at which gross photosynthesis exactly equals total respiration — net carbon exchange is zero, representing the minimum light or CO₂ level for positive carbon balance✔️
The point at which stomatal conductance equals mesophyll conductance, maximizing CO₂ diffusion into chloroplasts
The crop growth stage at which leaf area index reaches its maximum and canopy photosynthesis is saturated

Correct Answer Logic:

The light compensation point (LCP) is the irradiance where photosynthetic CO₂ fixation = respiratory CO₂ release (net photosynthesis = 0). Shade-adapted species have lower LCPs than sun plants. The CO₂ compensation point (Γ) differs between C3 (~40–50 ppm CO₂) and C4 plants (~5–10 ppm) due to C4 CO₂ concentrating mechanism eliminating photorespiration — explaining C4 superiority in hot, high-light environments.

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Electronics Engineering QUESTION #11744

Question 5560

A DMM on resistance range is connected to a powered circuit (even a low-voltage one). The consequence is:

The circuit provides reference current improving measurement accuracy
Possible damage to the DMM's internal reference resistors and false readings✔️
The DMM auto-ranges to the current mode safely
No effect — modern DMMs are protected against up to 1000 V on all ranges

Correct Answer Logic:

A DMM in resistance mode applies its own internal current source (~0.5–1 mA) through the internal reference resistors. Applying external voltage while in resistance mode causes excessive current through the precision resistor network, producing false readings and permanent damage to internal components. Always de-energise and discharge circuits before resistance measurements.

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