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General Knowledge QUESTION #2590
Question 4201
UTF-8 is preferred over ASCII for modern office documents primarily because:
  • UTF-8 compresses files to a smaller size than ASCII
  • UTF-8 supports characters from virtually all written languages, while ASCII only covers basic English charactersβœ”οΈ
  • UTF-8 is faster to load on older computers
  • UTF-8 was developed before ASCII and is therefore more reliable
Correct Answer Logic:
UTF-8 is the most prevalent encoding standard used today because it can represent characters from virtually every written language in the world. ASCII is limited to English letters, digits, and basic punctuation, making it insufficient for multilingual documents.
Uploaded by: Fani Warraich
Chemistry QUESTION #7801
Question 4202

Homolytic fission of the C–H bond in an alkane produces:
  • Alkyl free radicalβœ”οΈ
  • Carbonation
  • Carbocation
  • Methylpropane
Correct Answer Logic:

Homolytic bond cleavage: each atom takes one electron, forming free radicals (e.g., methyl radical β€’CH₃). Heterolytic fission gives carbocations or carbanions.

Uploaded by: Fani Warraich
General Knowledge QUESTION #8741
Question 4203
Which town in Balochistan is located nearest to the Iran border?
  • Dalbandin
  • Nok Kundiβœ”οΈ
  • Mastung
  • Nushki
Correct Answer Logic:
Nok Kundi is very close to the Iran-Pakistan border.
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3036
Question 4204
'Geometric Dilution' is a method used to:
  • Measure the volume of a liquid
  • Mix a small amount of potent drug with a large amount of diluentβœ”οΈ
  • Increase the boiling point
  • Calculate the dose for children
Correct Answer Logic:
Geometric dilution ensures uniform distribution when mixing a potent drug with a larger amount of powder base.
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Urdu QUESTION #5096
Question 4205
Ω†ΨΈΩ… 'Ω…Ω†Ψ§Ψ¬Ψ§Ψͺِ بیوہ' Ϊ©Ψ³ Ω†Ϋ’ Ω„Ϊ©ΪΎΫŒΨŸ
  • الطاف Ψ­Ψ³ΫŒΩ† Ψ­Ψ§Ω„ΫŒβœ”οΈ
  • Ω…ΫŒΨ± ΨͺΩ‚ΫŒ Ω…ΫŒΨ±
  • Ω…Ψ±Ψ²Ψ§ ΨΊΨ§Ω„Ψ¨
  • Ψ§Ω† Ω…ΫŒΪΊ Ψ³Ϋ’ کوئی Ω†ΫΫŒΪΊ
Correct Answer Logic:
Ω…Ω†Ψ§Ψ¬Ψ§Ψͺِ بیوہ Ω…ΩˆΩ„Ψ§Ω†Ψ§ الطاف Ψ­Ψ³ΫŒΩ† Ψ­Ψ§Ω„ΫŒ کی Ω†ΨΈΩ… ہے جو بیوہ عورΨͺ کی Ψ―Ψ±Ψ― بھری Ϊ©ΫΨ§Ω†ΫŒ Ψ¨ΫŒΨ§Ω† Ϊ©Ψ±Ψͺی ہے۔
Uploaded by: Fani Warraich
Chemistry QUESTION #478
Question 4206
Al?F?SiO? is named as
  • Gibbsite
  • Emeraldβœ”οΈ
  • Bauxite
  • Cryolite
Correct Answer Logic:
This is beryl/emerald composition
Uploaded by: Fani Warraich
English QUESTION #2659
Question 4207
Convert to indirect: 'He said, "What a beautiful scene!"'
  • He said that it was a beautiful scene.
  • He exclaimed that it was a very beautiful scene.βœ”οΈ
  • He exclaimed what a beautiful scene it was.
  • He said what a beautiful scene.
Correct Answer Logic:
Exclamatory sentences use 'exclaimed with joy/wonder' and change 'What a...' to 'very'.
Uploaded by: Fani Warraich
The Constitution of Pakistan QUESTION #9343
Question 4208
Which Article states that the validity of the President's election 'shall not be called in question by or before any court or other authority'?
  • Article 44
  • Article 47
  • Article 41(6)βœ”οΈ
  • Article 48(2)
Correct Answer Logic:
Article 41(6) explicitly ousts the jurisdiction of all courts and other authorities to question the validity of the President's election. This is a constitutional exclusion clause, distinct from the general principle of judicial review.
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General Abilities QUESTION #4492
Question 4209
What is the prime factorization of $48$?
  • $2^3 \times 3$
  • $2^4 \times 3$βœ”οΈ
  • $2^2 \times 12$
  • $6 \times 8$
Correct Answer Logic:
$48 = 2 \times 24 = 2 \times 2 \times 12 = 2 \times 2 \times 2 \times 6 = 2 \times 2 \times 2 \times 2 \times 3 = 2^4 \times 3$
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Mathematics QUESTION #4140
Question 4210
If $\vec{a} \cdot (\vec{b} \times \vec{c}) = 0$, what does this imply?
  • $\vec{a}$ is perpendicular to $\vec{b}$
  • $\vec{a}$, $\vec{b}$, $\vec{c}$ are coplanarβœ”οΈ
  • $\vec{b}$ is parallel to $\vec{c}$
  • $\vec{a} = \vec{0}$
Correct Answer Logic:
The scalar triple product $\vec{a} \cdot (\vec{b} \times \vec{c})$ equals the volume of the parallelepiped formed by the three vectors. If zero, the vectors are coplanar (linearly dependent).
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General Abilities QUESTION #2895
Question 4211
Find Simple Interest on $\$1000$ at $5\%$ for $3$ years.
  • $\$50$
  • $\$150$βœ”οΈ
  • $\$300$
  • $\$100$
Correct Answer Logic:
S.I. $= (P \times R \times T)/100 = (1000 \times 5 \times 3)/100 = 150$.
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General Abilities QUESTION #4493
Question 4212
What is the LCM of $6$ and $9$?
  • $54$
  • $3$
  • $18$βœ”οΈ
  • $36$
Correct Answer Logic:
The LCM is the smallest number divisible by both. Multiples of $6$: $6, 12, 18, 24...$. Multiples of $9$: $9, 18, 27...$. LCM = $18$
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Sociology QUESTION #1675
Question 4213
Robert K. Merton proposed a methodological and theoretical middle path between abstract grand theory and atheoretical empiricism in sociology, advocating for formal, logically interconnected propositions of limited scope that could be empirically tested. He called these:
  • Macro-sociological paradigms
  • Grand unified theories of social action
  • Middle-range theoriesβœ”οΈ
  • Grounded theoretical frameworks
Correct Answer Logic:
In 'Social Theory and Social Structure' (1949), Merton criticized both Parsonian grand theory (too abstract to test) and raw empiricism (too disconnected from theory). He advocated for 'theories of the middle range' β€” formal, testable theories of limited scope (e.g., relative deprivation, reference group theory) that bridge empirical research and broader theoretical frameworks.
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3603
Question 4214
'Fennel' (Saunf) belongs to which family?
  • Lamiaceae
  • Umbelliferae (Apiaceae)βœ”οΈ
  • Myrtaceae
  • Lauraceae
Correct Answer Logic:
Plants in the Umbelliferae family typically have umbrella-shaped flower clusters (umbels).
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Ability / HR / Governance / Special Education QUESTION #5646
Question 4215
A Financial Adviser disagrees with a Ministry's financial decision within the delegated field. The Secretary of that Ministry also disagrees with the FA's view. What is the CORRECT escalation path?
  • The Secretary may take up the case with Additional Finance Secretary (Expenditure)/Finance Secretary or the Minister may take it up with the Finance Ministerβœ”οΈ
  • The CFAO's view prevails since he is the internal financial control authority
  • The PAO's decision is final within the Ministry and the FA cannot override it
  • The matter must be referred directly to the Finance Secretary bypassing AFS(E)
Correct Answer Logic:
In case of a difference of opinion with the Financial Adviser the Secretary of the Ministry/Division may take up the case with the Additional Finance Secretary (Expenditure)(AFS-E)/Finance Secretary or the Minister may take it up with the Finance Minister (FM).
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Dairy Food Science and Technology QUESTION #5937
Question 4216
In cheese making, the role of \(\text{CaCl}_2\) added to pasteurized milk is to:
  • Provide flavor to the cheese
  • Restore ionic calcium (\(\text{Ca}^{2+}\)) levels reduced during pasteurization, improving gel firmness and reducing coagulation timeβœ”οΈ
  • Act as a preservative against spoilage bacteria
  • Lower the \(\text{pH}\) to the isoelectric point of casein
Correct Answer Logic:
Pasteurization shifts calcium from ionic (\(\text{Ca}^{2+}\)) to colloidal/casein-bound forms, reducing ionic calcium concentration. This impairs rennet gel formation. \(\text{CaCl}_2\) addition (\(0.01\text{–}0.02\%\) w/v) restores \(\text{Ca}^{2+}\) levels, improving gel firmness and cutting properties.
Uploaded by: Fani Warraich
Islamic Studies QUESTION #637
Question 4217
The Messenger of Allah (ο·Ί) stood in respect for the funeral of a:
  • Polytheist
  • Jewβœ”οΈ
  • Christian
  • None of these
Correct Answer Logic:
A famous Hadith records the Prophet (ο·Ί) standing for the funeral of a Jew out of respect for humanity.
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Boilers Mechanical Engineering QUESTION #4015
Question 4218
'Low Water Cut-Off' (LWCO) is an electrical device that:
  • Starts the pump
  • Shuts down the fuel supply if water falls to a dangerous levelβœ”οΈ
  • Measures the $pH$ of water
  • Cleans the tubes
Correct Answer Logic:
It is a primary safety device to prevent 'Dry Firing' the boiler.
Uploaded by: Fani Warraich
Mathematics QUESTION #4149
Question 4219
For $y'' + y = \sec(x)$, using variation of parameters, what is $u_1'$ where $y_p = u_1\cos(x) + u_2\sin(x)$?
  • $-\sin(x)\sec(x)$
  • $-\sin(x)\sec(x) = -\tan(x)$βœ”οΈ
  • $\cos(x)\sec(x) = 1$
  • $\tan(x)$
Correct Answer Logic:
$u_1' = -\frac{y_2 f(x)}{W} = -\frac{\sin(x) \sec(x)}{1} = -\tan(x)$.
Uploaded by: Fani Warraich
Chemistry QUESTION #7796
Question 4220

Third period element that forms a protective oxide coating preventing further reaction:
  • Alβœ”οΈ
  • Mg
  • Na
  • Si
Correct Answer Logic:

Aluminium forms a thin, adherent Alβ‚‚O₃ layer that is passivating. MgO is also protective but less complete; Na oxide is reactive; SiOβ‚‚ is not typical for rapid reaction.

Uploaded by: Fani Warraich
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