Reading Mode - Questions

Civil Engineering QUESTION #2132

In transportation engineering, the California Bearing Ratio (CBR) test is used to:

Measure the compressive strength of subgrade soil for designing airport runways only
Evaluate the bearing capacity of subgrade and sub-base materials relative to a standard crushed stone material — the CBR value is used as input to empirical pavement thickness design methods (IRC, AASHTO) to determine required pavement structure depth✔️
Measure the permeability of road base materials for drainage design
Determine the optimum moisture content of subgrade soils for compaction

Correct Answer Logic:

CBR = (load to cause 2.5mm or 5.0mm penetration in test soil / load for same penetration in standard crushed stone) × 100%. It was developed by California Division of Highways and adopted worldwide for flexible pavement design. High CBR (>80%): excellent subgrade; medium (20–50%): fair; low (<5%): poor, requiring thick pavement. It is used in IRC:37, AASHTO, and most national pavement design guides.

Uploaded by: Fani Warraich

Urdu QUESTION #5090

Question 4262

میر تقی میر کی مشہور مثنوی کون سی ہے؟

خوابِ خیال
شعلۂ عشق
دریائے عشق✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

دریائے عشق میر تقی میر کی مشہور مثنوی ہے۔

Uploaded by: Fani Warraich

Chemistry QUESTION #796

Question 4263

Which of the following is least reactive?

$\text{H}_2\text{O}$
Alcohol
Ether✔️
$\text{H}_2\text{SO}_4$

Correct Answer Logic:

Ethers are very stable and relatively unreactive compared to water, alcohols, and strong acids like $\text{H}_2\text{SO}_4$.

Uploaded by: Fani Warraich

Biology QUESTION #4320

Question 4264

Which one of the following biomolecules is a polymer (polysaccharide)?

Sucrose
Pentose
Lactose
Glycogen✔️

Correct Answer Logic:

Glycogen is a polysaccharide (polymer of glucose) that serves as the main carbohydrate storage in animals. Sucrose and lactose are disaccharides; pentose is a monosaccharide.

Uploaded by: Fani Warraich

Verbal Reasoning QUESTION #3952

Question 4265

The increase in red meat intake has become a _____ and _____ issue in public health circles.

abated...dubious✔️
skyrocketed...stressful
abounded...divisive
stabilized...newsworthy

Correct Answer Logic:

4

Uploaded by: Fani Warraich

Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5762

Question 4266

Which adrenergic agonist is known for its 'Mixed Action'?

Epinephrine
Amphetamine
Ephedrine✔️
Dopamine

Correct Answer Logic:

Ephedrine acts directly on receptors and indirectly by releasing stored norepinephrine.

Uploaded by: Fani Warraich

Islamic Studies QUESTION #658

Question 4267

The period of the "Rightly Guided Caliphs" (Khilafat-e-Rashida) lasted for about:

20 years
30 years✔️
40 years
None of these

Correct Answer Logic:

The combined reigns of the first four caliphs lasted from 632 to 661 CE.

Uploaded by: Fani Warraich

Economics QUESTION #1718

Question 4268

Given Pakistan's current fossil-fuel-dominated energy mix, low per capita income, large informal economy, and governance deficits, which Sustainable Development Goal presents the most multidimensionally challenging target for the country to achieve?

SDG 7: Affordable and Clean Energy — transitioning to renewable energy while ensuring universal affordable access
SDG 13: Climate Action — meeting emissions reduction and climate adaptation commitments
SDG 8: Decent Work and Economic Growth — sustaining inclusive growth and full employment in a fragile economy
All of these✔️

Correct Answer Logic:

Pakistan faces intersecting challenges across all three SDGs simultaneously: (1) SDG 7 — the energy mix is fossil-fuel dependent, millions lack electricity access, and renewable transition requires massive capital unavailable domestically; (2) SDG 13 — Pakistan is among the top 10 most climate-vulnerable countries (Germanwatch index) yet contributes less than 1% of global emissions, creating an adaptation-mitigation dilemma; (3) SDG 8 — youth unemployment (26%+), informality (73% of employment), and low productivity growth make decent work targets extremely difficult. All three are simultaneously and acutely challenging.

Uploaded by: Fani Warraich

Professional QUESTION #1818

Question 4269

Under Rule 48(6), the Grievance Redressal Committee (GRC) is required to investigate and decide upon a complaint within how many days of its receipt?

Five days
Seven days
Ten days✔️
Fifteen days

Correct Answer Logic:

Rule 48(6) inserted via S.R.O. 834(I)/2021 explicitly requires the GRC to investigate and decide upon the complaint within ten days of its receipt. Any party unsatisfied with the GRC's decision may subsequently file an appeal before the Authority within thirty days of communication of that decision.

Uploaded by: Fani Warraich

Mathematics QUESTION #4162

Question 4270

Using Newton-Raphson method for $f(x) = \cos(x) - x = 0$ starting with $x_0 = \frac{\pi}{4}$, what is $x_1$?

$\frac{\pi}{4} - \frac{\cos(\pi/4) - \pi/4}{-\sin(\pi/4) - 1}$✔️
$\frac{\pi}{4} - \frac{\cos(\pi/4) - \pi/4}{-\sin(\pi/4)}$
$\frac{\pi}{4} + \frac{\cos(\pi/4) - \pi/4}{\sin(\pi/4) + 1}$
$\frac{\pi}{4} - \frac{\cos(\pi/4)}{\sin(\pi/4)}$

Correct Answer Logic:

Newton-Raphson: $x_{n+1} = x_n - \frac{f(x_n)}{f'(x_n)}$. Here $f'(x) = -\sin(x) - 1$. So $x_1 = x_0 - \frac{\cos(x_0) - x_0}{-\sin(x_0) - 1}$.

Uploaded by: Fani Warraich

Biology QUESTION #4226

Question 4271

The hormone, when overproduced can lead to hypercalcemia and stone formation is:

Insulin
Thyroxine
Parathyroid hormone✔️
Antidiuretic hormone

Correct Answer Logic:

Parathyroid hormone excess increases blood $\text{Ca}^{2+}$ leading to stones.

Uploaded by: Fani Warraich

English QUESTION #823

Question 4272

Pick the correct sentence about catching a first glimpse:

A day later he reached his first glimpse of Lahore.
A day later he took his first glimpse of Lahore.
A day later he found his first glimpse of Lahore.
A day later he caught his first glimpse of Lahore.✔️

Correct Answer Logic:

The correct collocation is 'catch a glimpse'. You catch a glimpse of something — not reach, take, or find it.

Uploaded by: Fani Warraich

English QUESTION #2647

Question 4273

Select the correct past tense: 'I ___ my keys on the table an hour ago.'

Leave
Left✔️
Had left
Was leaving

Correct Answer Logic:

The Simple Past ('left') is used for actions completed at a specific time in the past.

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3539

Question 4274

'Fixed Oils' differ from 'Volatile Oils' because fixed oils:

Can be saponified (made into soap)✔️
Evaporate at room temperature
Are always liquid
Do not contain fat

Correct Answer Logic:

Fixed oils are esters of fatty acids and glycerol; volatile oils are not.

Uploaded by: Fani Warraich

Agronomy QUESTION #2104

Question 4275

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.

Uploaded by: Fani Warraich

Security Measures to Maintain Law and Order QUESTION #897

Question 4276

"Landside Security" measures primarily focus on maintaining order in:

The Runway
The Cockpit
Public areas & Car parks✔️
The Cargo hold

Correct Answer Logic:

Landside refers to areas open to the public; maintaining order here is key to preventing attacks before the security checkpoint.

Uploaded by: Fani Warraich

Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3643

Question 4277

Which chemical reagent is used to detect the presence of 'Starch'?

Iodine solution✔️
Benedict's reagent
Mayer's reagent
Millon's reagent

Correct Answer Logic:

Iodine turns blue-black in the presence of starch.

Uploaded by: Fani Warraich

Library Sciences QUESTION #1519

Question 4278

Indexes and abstracts differ primarily in that abstracts:

Are always published annually while indexes are monthly
Provide a brief summary of the content of each document in addition to the citation✔️
Cover only books while indexes cover journals
Are restricted to government publications

Correct Answer Logic:

While both indexes and abstracts provide citations to documents, abstracts additionally include a brief summary (abstract) of each document's content, helping users assess relevance before retrieving the full text — saving time and effort.

Uploaded by: Fani Warraich