Reading Mode - Questions

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3473

Question 4721

'Essential Amino Acids' are those that:

The body can make itself
Must be supplied by the diet✔️
Are not needed
Are only in meat

Correct Answer Logic:

There are 9 essential amino acids for humans.

Uploaded by: Fani Warraich

Chemistry QUESTION #4363

Question 4722

Fischer esterification is which type of reaction?

Condensation✔️
Substitution
Elimination
Dehydrogenation

Correct Answer Logic:

Fischer esterification is: $RCOOH + R'OH \rightleftharpoons RCOOR' + H_2O$. It is a condensation reaction because two molecules combine with the elimination of a small molecule ($H_2O$).

Uploaded by: Fani Warraich

General Science and Ability QUESTION #201

Question 4723

Cement factory labourers are prone to:

Leukemia
Cytosilicosis✔️
Bone marrow
None of these

Correct Answer Logic:

Silicosis (specifically cytosilicosis in some contexts) is caused by inhaling silica dust.

Uploaded by: Fani Warraich

Contracts QUESTION #5840

Question 4724

A Seller agrees to sell a custom machine to a Buyer for $450$. Later, they orally agree to add a cooling unit, raising the total price to $550$. Is the oral modification enforceable?

Yes, because the original contract was under $500$.
Yes, because modifications never require a writing under the UCC.
No, because the contract as modified falls within the Statute of Frauds.✔️
No, because custom goods always require a signed writing.

Correct Answer Logic:

UCC §2-209(3) requires a writing if the contract as modified falls within the Statute of Frauds ($500$ or more).

Uploaded by: Fani Warraich

Civil Engineering QUESTION #2118

Question 4725

A thin-walled closed cylindrical pressure vessel of internal radius $r$, wall thickness $t$, and internal pressure $p$ has hoop (circumferential) stress $\sigma_h$ and longitudinal stress $\sigma_L$. Which relationship is correct?

$\sigma_h = \sigma_L = \dfrac{pr}{t}$
$\sigma_h = \dfrac{pr}{t}$ and $\sigma_L = \dfrac{pr}{2t}$✔️
$\sigma_h = \dfrac{pr}{2t}$ and $\sigma_L = \dfrac{pr}{t}$
$\sigma_h = \sigma_L = \dfrac{pr}{2t}$

Correct Answer Logic:

Hoop stress (resists diametral bursting): $\sigma_h = \dfrac{pr}{t}$. Longitudinal stress (resists end cap force): $\sigma_L = \dfrac{pr}{2t}$. Therefore hoop stress is exactly twice the longitudinal stress. This is why cylindrical pressure vessels fail by splitting longitudinally (hoop stress governs design), and why pipes are wound with more fibers circumferentially in filament-wound construction.

Uploaded by: Fani Warraich

Pakistan Affairs QUESTION #4667

Question 4726

What is the largest source of electricity generation in Pakistan?

Thermal✔️
Hydel
Coal
Nuclear

Correct Answer Logic:

Thermal power plants (using natural gas, oil, and coal) have been the largest source of electricity generation in Pakistan, accounting for a majority of total generation capacity.

Uploaded by: Fani Warraich

Professional QUESTION #1876

Question 4727

Under Rule 3(3), a surplus civil servant resulting from reorganization/abolition can be appointed to a post in which pay scale?

One scale lower than his previous BPS
Any available post
The basic pay scale to which he belonged✔️
One scale higher as compensation

Correct Answer Logic:

Rule 3(3) states a surplus person may be appointed to a post in the basic pay scale to which he belonged, if he possesses the qualifications and fulfills other conditions.

Uploaded by: Fani Warraich

Commerce QUESTION #6233

Question 4728

Which ethical principle prevents an auditor from using client information for personal gain?

Integrity
Professional Behavior
Confidentiality✔️
Due Care

Correct Answer Logic:

Confidentiality dictates that the auditor should not disclose info without permission nor use it for personal benefit.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #4017

Question 4729

'Convection' heat transfer in a boiler happens primarily when:

Heat travels through the metal wall
Hot gases flow over the tube surfaces✔️
The sun shines on the boiler
Chemicals are added to the water

Correct Answer Logic:

Radiation happens in the furnace; Conduction happens through the tube walls.

Uploaded by: Fani Warraich

Pakistan Affairs QUESTION #142

Question 4730

Who is the author of 'Diplomatic Footprints'?

G.W. Chaudhry
Aizaz Ahmad Chaudhry
Abdul Sattar✔️
Khurshid Kasuri

Correct Answer Logic:

Abdul Sattar, a former Foreign Minister, is the author of 'Pakistan's Foreign Policy 1947–2012: A Concise History' often associated with 'Diplomatic Footprints' contexts, but the specific book 'Diplomatic Footprints' is by Abdul Sattar.

Uploaded by: Fani Warraich

English QUESTION #2772

Question 4731

What does the phrase 'COST AN ARM AND A LEG' mean? (Note: An idiom expresses something beyond its literal meaning)

To cause physical injury
To be very cheap
To be extremely expensive✔️
To require hard work

Correct Answer Logic:

'Cost an arm and a leg' is an idiom meaning to be extremely expensive. It implies that the price is so high it is as if you are sacrificing body parts. Example: 'That new car cost an arm and a leg.'

Uploaded by: Fani Warraich

Sociology QUESTION #1675

Question 4732

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 theories✔️
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' — 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-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3457

Question 4733

'Folic Acid' (Vitamin B9) is crucial during pregnancy to prevent:

Scurvy
Neural Tube Defects (like Spina Bifida)✔️
Rickets
Goiter

Correct Answer Logic:

It is essential for DNA synthesis and cell division.

Uploaded by: Fani Warraich

Basic Mathematics QUESTION #2821

Question 4734

The ratio of milk to water in a mixture is $7:3$. If the mixture contains 60 litres total, how many litres of milk are there?

35
40
42✔️
45

Correct Answer Logic:

Total parts $= 7 + 3 = 10$. Milk $= \dfrac{7}{10} \times 60 = 42$ litres.

Uploaded by: Fani Warraich

Math (Module-1) QUESTION #5479

Question 4735

An isosceles right triangle has a hypotenuse of length $58$ inches. What is the perimeter, in inches, of this triangle?

$29\sqrt{2}$
$58\sqrt{2}$
$58 + 58\sqrt{2}$✔️
$58 + 116\sqrt{2}$

Correct Answer Logic:

Leg length $s = \frac{58}{\sqrt{2}} = 29\sqrt{2}$. Perimeter $= 2s + 58 = 2(29\sqrt{2}) + 58 = 58\sqrt{2} + 58$.

Uploaded by: Fani Warraich

Urdu QUESTION #1395

Question 4736

قرۃ العین حیدر کس مشہور افسانہ نگار کی بیٹی تھیں؟

منشی سجاد حسین
راشد الخیری
سجاد حیدر یلدرم✔️
ڈپٹی نذیر احمد

Correct Answer Logic:

قرۃ العین حیدر (عینی آپا) اردو کی عظیم ناول نگار تھیں۔ ان کے والد سجاد حیدر یلدرم اردو کے مشہور افسانہ نگار، ناول نگار اور مترجم تھے۔ یلدرم رومانوی اسلوب کے لیے جانے جاتے ہیں۔ قرۃ العین حیدر کا شاہکار ناول ''آگ کا دریا'' اردو ادب کا ایک بے مثال کارنامہ ہے۔

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3527

Question 4737

If a pharmacist finds that a sample of 'Digitalis' leaves has $20\%$ moisture, why is this a problem?

Moisture promotes enzyme activity and microbial growth, leading to drug deterioration✔️
Moisture makes the drug too heavy
Moisture turns the drug into a liquid
There is no problem

Correct Answer Logic:

Crude drugs must be dried to prevent chemical breakdown and spoilage.

Uploaded by: Fani Warraich

Biology QUESTION #4175

Question 4738

Which organelle give rise to primary lysosomes through budding in eukaryotic cells?

Smooth endoplasmic reticulum (SER)
Rough endoplasmic reticulum (RER)
Plasma membrane
Golgi apparatus✔️

Correct Answer Logic:

The Golgi apparatus packages enzymes and buds off to form primary lysosomes.

Uploaded by: Fani Warraich

Basic Mathematics QUESTION #4613

Question 4739

If $a = 3b - 2$ and $b = 4$, what is $a$?

$10$✔️
$14$
$6$
$5$

Correct Answer Logic:

Substitute $b=4$: $a = 3(4) - 2 = 12 - 2 = 10$

Uploaded by: Fani Warraich

City and Regional Planning QUESTION #4993

Question 4740

What is the primary limitation of the Concentric Zone Model (Burgess Model)?

Ignores transportation corridors
Assumes monocentric development only✔️
Overemphasizes industrial zones
Excludes residential areas

Correct Answer Logic:

The Burgess Concentric Zone Model (1925) assumes a single central business district with zones expanding outward in concentric circles, failing to account for multiple nuclei, sector development along transport routes, or polycentric urban forms common in modern cities.

Uploaded by: Fani Warraich

More Options

Suggest a Question