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Contracts QUESTION #5853

A Buyer purchases a toaster 'as is' from a Department Store. The toaster catches fire due to a manufacturing defect. Can the Buyer sue for breach of the Implied Warranty of Merchantability?

Yes, manufacturing defects cannot be disclaimed.
No, 'as is' effectively disclaims the implied warranty of merchantability.✔️
Yes, because the Store is a merchant.
No, because the Buyer should have tested it first.

Correct Answer Logic:

Under UCC §2-316(3)(a), expressions like 'as is' or 'with all faults' exclude all implied warranties.

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Chemistry QUESTION #7528

Question 1162

Two liquids A and B form an ideal solution. At 350 K, the vapour pressures of pure A and pure B are $7\times10^3$ Pa and $12\times10^3$ Pa respectively. For a solution with 40 mol% A, what is the composition of the vapour in equilibrium?

$x_A=0.37;\ x_B=0.63$
$x_A=0.28;\ x_B=0.72$✔️
$x_A=0.4;\ x_B=0.6$
$x_A=0.76;\ x_B=0.24$

Correct Answer Logic:

Mole fraction in liquid: $x_A = 0.40,\ x_B = 0.60$

By Raoult's Law:

$P_A = x_A \cdot P_A^0 = 0.40 \times 7000 = 2800\ \text{Pa}$

$P_B = x_B \cdot P_B^0 = 0.60 \times 12000 = 7200\ \text{Pa}$

$P_{\text{total}} = 2800 + 7200 = 10000\ \text{Pa}$

In vapour phase: $y_A = \dfrac{P_A}{P_{\text{total}}} = \dfrac{2800}{10000} = \mathbf{0.28}$

$y_B = 1 - 0.28 = \mathbf{0.72}$

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English QUESTION #2652

Question 1163

Convert to passive: 'Who wrote this book?'

By whom was this book written?
This book was written by whom?
Who was this book written by?
All of the above✔️

Correct Answer Logic:

All three forms are grammatically correct ways to turn an interrogative sentence into passive voice.

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Chemistry QUESTION #1020

Question 1164

Arrange $\text{HBr}$, $\text{H}_2\text{S}$, $\text{NF}_3$ and $\text{CHCl}_3$ in increasing order of their dipole moment:

$\text{H}_2\text{S} < \text{HBr} < \text{NF}_3 < \text{CHCl}_3$
$\text{NF}_3 < \text{HBr} < \text{H}_2\text{S} < \text{CHCl}_3$✔️
$\text{HBr} < \text{H}_2\text{S} < \text{NF}_3 < \text{CHCl}_3$
$\text{CHCl}_3 < \text{NF}_3 < \text{HBr} < \text{H}_2\text{S}$

Correct Answer Logic:

Dipole moments (approx): $\text{NF}_3\approx0.24\ \text{D}$ (F pulls away from N lone pair, net dipole is small); $\text{HBr}\approx0.82\ \text{D}$; $\text{H}_2\text{S}\approx0.97\ \text{D}$; $\text{CHCl}_3\approx1.87\ \text{D}$. Increasing order: $\text{NF}_3 < \text{HBr} < \text{H}_2\text{S} < \text{CHCl}_3$.

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Quantitative Reasoning QUESTION #8014

Question 1165

Choose the word that is most nearly opposite in meaning to FALLACY

personal philosophy
imaginative idea
unconfirmed theory
valid argument✔️

Correct Answer Logic:

FALLACY means a false or mistaken belief, or flawed reasoning. The opposite would be sound, correct reasoning. Valid argument is the correct opposite: a fallacy is faulty reasoning, while a valid argument is sound, logical reasoning based on truth.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3171

Question 1166

The 'Diaphysis' of a long bone is its:

End
Shaft✔️
Growth plate
Marrow cavity

Correct Answer Logic:

The diaphysis is the long central shaft; the ends are called epiphyses.

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Verbal Reasoning QUESTION #8085

Question 1167

In how many of the years shown was the average number of pages per newspaper at least twice as much as the average in 1940?

[Note: This refers to a graph showing average daily circulation for Newspaper X over years 1940-1980, with values: 1940: 30 pages, 1950: 55 pages, 1960: 82 pages, 1970: 70 pages, 1980: 74 pages]

Four
Three✔️
Two
One

Correct Answer Logic:

The average number of pages in 1940 was 30. Twice this amount is $2 \times 30 = 60$ pages.

Check each year:

1940: 30 pages (not $\geq 60$) ✗
1950: 55 pages (not $\geq 60$) ✗
1960: 82 pages ($\geq 60$) ✓
1970: 70 pages ($\geq 60$) ✓
1980: 74 pages ($\geq 60$) ✓

Three years (1960, 1970, and 1980) had at least twice the 1940 average.

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General Knowledge QUESTION #8974

Question 1168

Which planet has the shortest day (shortest rotation period)?

Earth
Jupiter✔️
Venus
Pluto

Correct Answer Logic:

Jupiter rotates in about 10 hours.

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Math Physics Chemistry Biology QUESTION #7728

Question 1169

The wings of birds and the wings of flying lizards (like pterosaurs) are examples of:

Convergent evolution✔️
Divergent evolution
No evolution
Same origin

Correct Answer Logic:

Convergent evolution occurs when unrelated species evolve similar traits due to similar environmental pressures. Wings in birds and flying lizards are analogous structures (similar function, different evolutionary origin).

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General Knowledge QUESTION #8670

Question 1170

Who published the newspaper 'Al-Halal'?

Ali Johar
Maulana Abul Kalam Azad
Zafar Ali Khan✔️
None of above

Correct Answer Logic:

Zafar Ali Khan published 'Al-Halal'.

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General Knowledge QUESTION #8952

Question 1171

'Anemometer' is an instrument used for measuring:

Wind speed✔️
Electric current
Temperature
Air pressure

Correct Answer Logic:

Anemometers measure wind speed.

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MBBS QUESTION #10270

Question 1172

A patient develops obstructive (post-hepatic) jaundice due to a pancreatic head tumor compressing the distal common bile duct. Which bilirubin pattern, and associated clinical findings, would be expected?

Predominantly unconjugated hyperbilirubinemia with normal-colored stools
Predominantly conjugated (direct) hyperbilirubinemia, with dark urine, pale (clay-colored) stools, and absent urinary urobilinogen✔️
Normal total bilirubin with markedly elevated urobilinogen
Isolated elevation of unconjugated bilirubin only, with no change in stool or urine color

Correct Answer Logic:

In obstructive jaundice, bilirubin is normally conjugated by the liver but cannot reach the intestine, so it regurgitates into the blood as conjugated (water-soluble) bilirubin — appearing in urine (dark urine) while stools become pale from lack of intestinal bilirubin/stercobilin, and urinary urobilinogen (formed from intestinal bacterial action on bilirubin) is characteristically absent or reduced.

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Academic/Professional (Social Sciences) QUESTION #10133

Question 1173

A society shows high division of labour, weak collective conscience, but strong economic interdependence among members. Durkheim would classify its solidarity as:

Mechanical solidarity
Organic solidarity✔️
Asabiya-based solidarity
No solidarity exists

Correct Answer Logic:

High division of labour with interdependence rather than shared beliefs is characteristic of organic solidarity.

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Pakistan Affairs QUESTION #9036

Question 1174

The largest share of revenue receipts for the Pakistani Federal Government comes from:

General Sales Tax (GST/VAT)✔️
Income Tax
Wealth Tax
Central Excise Duty

Correct Answer Logic:

Sales tax/GST is the largest source of federal revenue.

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MBBS QUESTION #10158

Question 1175

A 2-year-old presents with painless rectal bleeding. Imaging identifies a Meckel's diverticulum. This anomaly represents persistence of which embryonic structure?

Urachus
Vitelline (omphalomesenteric) duct✔️
Processus vaginalis
Allantois

Correct Answer Logic:

Meckel's diverticulum is the most common congenital GI anomaly, resulting from incomplete regression of the vitelline (omphalomesenteric) duct, which normally connects the midgut to the yolk sac. It classically follows the 'rule of 2s' (about 2% of the population, 2 feet from the ileocaecal valve, 2 inches long).

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Bio-Technology QUESTION #10560

Question 1176

Catabolite repression in microorganisms typically results in:

Simultaneous utilisation of all available carbon sources
Preferential use of the most favourable carbon source (e.g. glucose over lactose)✔️
Induction of all catabolic enzymes at equal rates
Irreversible repression of all biosynthetic operons

Correct Answer Logic:

Catabolite repression (glucose effect) occurs when a preferred carbon source (e.g. glucose) suppresses expression of enzymes needed to catabolise alternative substrates (e.g. lactose). In E. coli, glucose lowers cAMP levels, reducing activation of the CAP/CRP complex needed to transcribe the lac operon. This causes diauxic growth — sequential substrate utilisation.

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Ability / HR / Governance / Special Education QUESTION #1804

Question 1177

Under Rule 13(1), what is the minimum response time for international competitive bidding from the date of publication of the advertisement or notice?

Fifteen days
Twenty-one days
Thirty days✔️
Forty-five days

Correct Answer Logic:

Rule 13(1) sets a minimum response time of fifteen days for national competitive bidding and thirty days for international competitive bidding from the date of first publication of the advertisement or notice, with no time limit applicable in cases of emergency.

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Therapeutics and Patient Care QUESTION #3893

Question 1178

Which of the following statements about the management of gout is INCORRECT?

Allopurinol should not be used to treat acute attacks
Thiazide diuretics can precipitate gout
Paracetamol is the preferred medication for an acute attack✔️
A common side-effect of colchicine is diarrhoea

Correct Answer Logic:

Paracetamol has no anti-inflammatory activity and is not the preferred treatment for acute gout. NSAIDs, colchicine, or corticosteroids are first-line options for acute gout attacks.

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Security Measures to Maintain Law and Order QUESTION #921

Question 1179

In security terms, what does 'situational awareness' involve?

Knowing the employee handbook
Being alert to one's environment✔️
Focusing only on assigned tasks
Following the daily schedule

Correct Answer Logic:

It requires constant monitoring of the environment to detect anomalies or potential security threats early.

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Islamic Studies QUESTION #7925

Question 1180

What is the oldest Mosque on the Earth?

Ka'aba Bait Ullah✔️
Masjid-i-Zarrar
Masjid-i-Nabvi
Masjid-i-Aqsa

Correct Answer Logic:

Ka'aba Bait Ullah is the oldest mosque on Earth. It was originally built by Prophet Adam (AS), then rebuilt by Prophet Ibrahim (AS) and his son Prophet Ismail (AS) around 2000 BCE. It is the holiest site in Islam and the direction (Qibla) Muslims face during prayer worldwide.

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