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Correct Answer Logic:
The text shows the shop owner both frustrated ("Don't belong in here") and proud of the new picture, revealing his conflicted feelings.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering QUESTION #4033
Question 2
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.
Uploaded by: Fani Warraich
Quantitative Reasoning QUESTION #3962
Question 3
Determine the angle in degrees that the hour hand of a clock traverses over a period of $2$ hours and $12$ minutes.
  • $66^{\circ}$✔️
  • $72^{\circ}$
  • $73.2^{\circ}$
  • $72.3^{\circ}$
Correct Answer Logic:
No explanation provided for this question.
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Mathematics QUESTION #1322
Question 4
For a particle moving with uniform speed along a curved path, which statement is correct?
  • Both tangential and normal accelerations are zero
  • Tangential acceleration is zero; normal acceleration is non-zero✔️
  • Normal acceleration is zero; tangential acceleration is non-zero
  • Both tangential and normal accelerations are non-zero
Correct Answer Logic:
Acceleration has two components: tangential \(a_T=\dfrac{dV}{dt}\) and normal \(a_N=\dfrac{V^2}{\rho}\). If speed \(V\) is constant, \(a_T=0\). However, if the path curves (\(\rho\) finite), \(a_N=\dfrac{V^2}{\rho}\neq0\). So only normal acceleration is present for uniform speed on a curved path.
Uploaded by: Fani Warraich
Pakistan Affairs QUESTION #299
Question 5
What event led to the initiation of Pervez Musharraf's trial under Article 6?
  • Removal and house arrest of Judges✔️
  • Suspension of Constitution (1999 coup)
  • Assassination of Benazir Bhutto
  • Lal Masjid Operation
Correct Answer Logic:
The High Treason case was primarily based on the emergency and judge removal in Nov 2007.
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Chemistry QUESTION #1069
Question 6
Which one of the following reactions does NOT belong to Lassaigne's test?
  • \(\text{Na} + \text{X} \xrightarrow{\Delta} \text{NaX}\)
  • \(2\text{CuO} + \text{C} \xrightarrow{\Delta} 2\text{Cu} + \text{CO}_2\)✔️
  • \(\text{Na} + \text{C} + \text{N} \xrightarrow{\Delta} \text{NaCN}\)
  • \(2\text{Na} + \text{S} \xrightarrow{\Delta} \text{Na}_2\text{S}\)
Correct Answer Logic:
Lassaigne's test involves fusing the organic compound with sodium metal to convert covalent elements (N, S, halogens) into ionic sodium salts (NaCN, Na\(_2\)S, NaX). The reaction \(2\text{CuO} + \text{C} \to 2\text{Cu} + \text{CO}_2\) is the copper oxide test used to detect carbon/hydrogen, and does NOT belong to Lassaigne's test.
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Statistics QUESTION #1965
Question 7
An ordinal (ranking) scale inherently includes all properties of which other measurement scale?
  • Nominal scale✔️
  • Interval scale
  • Ratio scale
  • All of the above
Correct Answer Logic:
An ordinal scale includes the classification property of the nominal scale, and adds ordering. Hence it always includes all properties of the nominal scale.
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Reading and Writing (Module-1) QUESTION #5451
Question 8
Notes: Gregorian calendar (365 days) causes dates to fall on different weekdays each year. Hanke-Henry calendar (364 days) has dates on same weekday each year, supporting predictable scheduling. Which choice explains an advantage of Hanke-Henry?
  • Gregorian has 365 days, one day longer than Hanke-Henry.
  • Adopting Hanke-Henry would help solve a problem with Gregorian.
  • Designed so dates occur on same weekday each year, Hanke-Henry supports more predictable scheduling than Gregorian.✔️
  • Hanke-Henry was developed as an alternative to Gregorian, which is most-used.
Correct Answer Logic:
Option C directly states the advantage (same weekday ? predictable scheduling) and compares to Gregorian.
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Correct Answer Logic:
'Can' is used to express physical or mental ability.
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Correct Answer Logic:
Automated circulation systems use barcodes or RFID technology on items and patron cards, linked to an Integrated Library System (ILS), to automatically record loans, returns, renewals, and holds — replacing manual systems like the Browne system or ledger-based methods.
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Boilers Mechanical Engineering QUESTION #4042
Question 11
'Neutralizing Amines' are added to steam to:
  • Make it smell better
  • Control corrosion in the condensate return lines by adjusting $pH$✔️
  • Increase pressure
  • Stop the boiler
Correct Answer Logic:
They travel with the steam and protect the entire system.
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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2980
Question 12
In which year was the first edition of the British Pharmacopoeia (BP) published?
  • 1858
  • 1864✔️
  • 1898
  • 1914
Correct Answer Logic:
The first BP was published in 1864, merging the London, Edinburgh, and Dublin pharmacopoeias.
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Correct Answer Logic:
Daily $\text{FeSO}_4 = 300\ \text{mg} \times 3 = 900\ \text{mg}$. Moles $= \dfrac{900}{278} = 3.237\ \text{mmol}$. Elemental Fe $= 3.237 \times 55.9 = 181\ \text{mg}$.
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Library Sciences QUESTION #1495
Question 14
Which of the following best describes a 'surrogate record' in the context of information organization?
  • The original document stored in a library
  • A metadata record that represents and provides access to an information resource✔️
  • A backup copy of a digital file
  • A printed index of journal articles
Correct Answer Logic:
A surrogate record (also called a metadata record) is a representation of an information resource — not the item itself — that enables description and access. It includes bibliographic details, subject headings, and classification numbers.
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English QUESTION #4419
Question 15
Identify the sentence with no spelling error:
  • Imtiaz Invited me on a diner party at restaurant.
  • Imtiaz Invited me on a dinner party at restaurant.✔️
  • Imtiaz Invited me on a dinner party at resturant.
  • Imtiaz Invited me on a dinnar party at restaurent.
Correct Answer Logic:
The correct spellings are 'dinner' (an evening meal) and 'restaurant' (a place to eat). Option A has 'diner' (a small restaurant or person eating), Option C has 'resturant', and Option D has both 'dinnar' and 'restaurent' — all misspelled.
Uploaded by: Fani Warraich
Biology Zoology Botany QUESTION #1352
Question 16
The portion of the digestive tract of a pigeon that produces 'pigeon's milk' used in feeding young is the:
  • Proventriculus
  • Gizzard
  • Crop✔️
  • None of these
Correct Answer Logic:
The crop is the enlarged pouch in the oesophagus of pigeons and doves. During the breeding season, the crop lining of both parents proliferates under the influence of prolactin to produce 'pigeon milk' — a protein- and fat-rich secretion regurgitated to feed nestlings. The proventriculus is the glandular stomach and the gizzard is the muscular grinding stomach.
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Statistics QUESTION #1990
Question 17
For the Poisson distribution with parameter \(\lambda\), which of the following statements is INCORRECT?
  • Mean = Variance = \(\lambda\)
  • The distribution is always positively skewed for finite \(\lambda\)
  • The mgf is \(M(t) = e^{\lambda(e^t - 1)}\)
  • As \(\lambda \to \infty\), the Poisson distribution approaches the t-distribution✔️
Correct Answer Logic:
The mean, variance, and mgf statements are all correct properties of the Poisson distribution. As \(\lambda \to \infty\), the Poisson distribution approaches the NORMAL distribution (not the t-distribution), by the Central Limit Theorem. This is what makes statement (D) incorrect.
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Correct Answer Logic:
Critical temperature is for liquid-gas transition
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Chemistry QUESTION #1451
Question 19
Which type of substitution occurs predominantly in benzene?
  • Nucleophilic substitution
  • Electrophilic substitution✔️
  • Free radical substitution
  • None of these
Correct Answer Logic:
Benzene undergoes electrophilic aromatic substitution (EAS) predominantly. The high electron density of the aromatic \(\pi\) system makes benzene an electron donor that attracts electrophiles. The reaction proceeds via a carbocation intermediate (arenium ion/Wheland intermediate), followed by deprotonation to restore aromaticity. Nucleophilic substitution on benzene requires special conditions (e.g., very strong electron-withdrawing groups).
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Islamic Studies QUESTION #243
Question 20
The aim of the Silk Handkerchief (Reshmi Rumal) Movement was freedom for:
  • Afghanistan
  • Subcontinent✔️
  • Turkey
  • None of these
Correct Answer Logic:
Led by Deobandi scholars, it aimed to liberate India from British rule with foreign aid.
Uploaded by: Fani Warraich