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Agronomy QUESTION #2061

Question 2001

Fertigation is agronomically superior to conventional fertilizer broadcasting because:

It eliminates the need for irrigation entirely
Nutrients are dissolved in irrigation water and delivered directly to the active root zone in synchrony with crop demand, improving nutrient use efficiency, reducing losses, and enabling precise timing and placement✔️
It can only be used with drip irrigation and is therefore limited to horticultural crops
Fertigated nutrients are immediately fixed by soil colloids, preventing any leaching

Correct Answer Logic:

Fertigation — applying dissolved fertilizers through the irrigation system — achieves high NUE by placing nutrients at the root zone when and where needed. It allows split applications synchronized with crop uptake patterns, reduces volatilization and surface runoff losses, and is compatible with drip (most efficient) and sprinkler systems.

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Urdu QUESTION #5033

Question 2002

علامہ اقبال کی کس فارسی کتاب کا دیباچہ اردو میں ہے؟

ارمغانِ حجاز✔️
پیامِ مشرق
ضربِ کلیم
ان میں سے کوئی نہیں

Correct Answer Logic:

علامہ اقبال کی فارسی کتاب 'ارمغانِ حجاز' کا دیباچہ اردو زبان میں لکھا گیا ہے۔

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Agronomy QUESTION #2019

Question 2003

Seed certification ensures that:

Seeds are chemically treated with fungicides before packaging
Varieties maintain their genetic identity, physical purity, and germination standards through a regulated multiplication chain✔️
Seeds are produced exclusively on government farms
All certified seeds are hybrid and thus superior to open-pollinated varieties

Correct Answer Logic:

Seed certification is a quality assurance system that verifies genetic purity (true-to-type), physical purity, germination percentage, moisture content, and freedom from seed-borne diseases. It governs the multiplication chain: Breeder → Foundation → Registered → Certified seed.

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English QUESTION #8488

Question 2004

Select the word SIMILAR in meaning to: Dainty

Cute
Delicate✔️
Doll
Perfect

Correct Answer Logic:

Dainty means delicately small and pretty.

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General Abilities QUESTION #4537

Question 2005

If $x \geq 5$, which is true?

$x > 5$ only
$x = 5$ only
$x = 5$ or $x > 5$✔️
$x < 5$

Correct Answer Logic:

The symbol $\geq$ means 'greater than or equal to', so $x$ can be $5$ or any value greater than $5$

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Home Economics QUESTION #6271

Question 2006

Which term describes the 'head-to-toe' pattern of physical development in infants?

Hierarchical
Proximodistal
Differentiation
Cephalocaudal✔️

Correct Answer Logic:

Cephalocaudal development means growth and motor control proceed from the head downward to the feet.

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Agronomy QUESTION #2098

Question 2007

Soil salinity is measured as electrical conductivity of saturated paste extract ($EC_e$) in dS/m. A soil with $EC_e > 4$ dS/m is classified as saline because:

It exceeds the threshold for salt precipitation in the soil profile
Most sensitive crops (rice, beans, citrus) begin to show yield reduction above 4 dS/m — this threshold was established by the USDA salinity laboratory as the boundary between non-saline and saline soils affecting sensitive crop species✔️
All crops show complete yield loss at this salinity level
The osmotic pressure at 4 dS/m equals the root pressure of most crops

Correct Answer Logic:

The USDA classification: non-saline (<2 dS/m), slightly saline (2–4), moderately saline (4–8), strongly saline (8–16), very strongly saline (>16). The 4 dS/m threshold is agronomically significant because sensitive crops (beans, strawberry, rice) show measurable yield loss above this level. Tolerant crops (barley, cotton, sugar beet) withstand much higher levels — salt tolerance is crop-specific.

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Nursing QUESTION #9301

Question 2008

A patient with peptic ulcer disease suddenly develops board-like rigidity of the abdomen and severe generalized pain. The nurse should suspect:

Acute gastritis
Perforated peptic ulcer with peritonitis✔️
Intestinal obstruction
Acute appendicitis

Correct Answer Logic:

Perforated peptic ulcer is a surgical emergency. The classic presentation is:

Sudden, severe, generalized abdominal pain
Board-like rigidity (involuntary guarding) — contents spill into peritoneal cavity causing chemical peritonitis
Rebound tenderness (positive Blumberg's sign)
Absent bowel sounds
Tachycardia, hypotension (shock)
Free air under diaphragm on chest X-ray (pathognomonic)

Priority nursing actions:

Keep patient NPO immediately
Insert IV lines — large-bore cannulas
IV fluids to maintain hemodynamic stability
Insert urinary catheter — monitor urine output hourly
IV antibiotics as ordered
Prepare for emergency laparotomy
Do NOT give analgesics until surgeon has assessed (may mask signs)

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English QUESTION #8287

Question 2009

Honest poverty is better than dishonest _______ .

Riches✔️
Person
Wealth
Work

Correct Answer Logic:

The comparison is between 'poverty' (lack of riches) and 'riches'.

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General Knowledge QUESTION #8277

Question 2010

A computer system is primarily composed of electronic ________.

Connections
Diodes
Circuits✔️
Chips

Correct Answer Logic:

Computers consist of electronic circuits that process and transmit signals.

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Math Physics Chemistry Biology QUESTION #805

Question 2011

At which point is heat absorbed without change in temperature?

Melting point
Both✔️
Boiling point
None

Correct Answer Logic:

At both the melting point and boiling point, heat is absorbed (as latent heat) without any change in temperature during the phase transition.

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Tourism & Hospitality Management QUESTION #1593

Question 2012

In the context of sustainable tourism, the 'triple bottom line' refers to which three areas of accountability for tourism businesses?

Profit, Marketing, and Operations
Economic viability, Social equity, and Environmental responsibility✔️
Government policy, Industry standards, and NGO oversight
Quality, Safety, and Sustainability

Correct Answer Logic:

The triple bottom line (TBL) framework — covered in the Sustainable Tourism course — holds tourism businesses accountable across three dimensions: Economic viability (financial sustainability), Social equity (community benefit), and Environmental responsibility (ecological protection) — not just financial profit.

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Chemistry QUESTION #7350

Question 2013

If uncertainty in position $\Delta x$ equals uncertainty in momentum $\Delta p$, then the uncertainty in velocity $\Delta v$ is:

$\sqrt{\dfrac{h}{\pi}}$
$\dfrac{1}{2m}\sqrt{\dfrac{h}{\pi}}$✔️
$\sqrt{\dfrac{h}{2\pi}}$
$\dfrac{1}{m}\sqrt{\dfrac{h}{\pi}}$

Correct Answer Logic:

Heisenberg's Uncertainty Principle: $\Delta x \cdot \Delta p \geq \dfrac{h}{4\pi}$

Given $\Delta x = \Delta p$, so $(\Delta p)^2 = \dfrac{h}{4\pi}$

$\Delta p = \sqrt{\dfrac{h}{4\pi}} = \dfrac{1}{2}\sqrt{\dfrac{h}{\pi}}$

Since $\Delta p = m \cdot \Delta v$:
$\Delta v = \dfrac{\Delta p}{m} = \dfrac{1}{2m}\sqrt{\dfrac{h}{\pi}}$

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Ability / HR / Governance / Special Education QUESTION #5654

Question 2014

Under the principle of 'Allowances Not To Be A Source of Profit' a government servant is granted a travelling allowance that consistently exceeds his actual travel costs making it a net financial gain. Analytically what is the correct regulatory response?

The surplus allowance is treated as miscellaneous income and taxed accordingly
The allowance must be so regulated that on the whole it is not a source of profit to the recipient — the amounts should be recalibrated to prevent profit✔️
The government servant may retain the surplus as it was formally sanctioned
The PAO may allow it if the total is within the budget allocation

Correct Answer Logic:

Per GFR Vol. I the amount of allowances such as travelling allowance is so regulated that the allowances are not on the whole a source of profit to the recipient. This is one of the eight core principles the PAO must enforce. The allowances must be recalibrated to ensure they only meet the actual expenditure of a particular type.

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Mathematics QUESTION #6935

Question 2015

A class has 5 girls and 7 boys. Teams of 2 girls and 3 boys are to be formed. However, two specific boys A and B cannot both be on the same team. How many valid teams can be formed?

500
200
300✔️
350

Correct Answer Logic:

Total teams (no restriction): $\binom{5}{2}\binom{7}{3} = 10 \times 35 = 350$

Teams where both A and B are included: Choose remaining 1 boy from 5 others: $\binom{5}{2}\binom{5}{1} = 10 \times 5 = 50$

Valid teams $= 350 - 50 = \mathbf{300}$

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Security Measures to Maintain Law and Order QUESTION #950

Question 2016

How should 'VIP Security' be handled without compromising general order?

By ignoring other passengers
Through discreet, pre-planned coordination✔️
By closing the entire terminal
By letting them skip all security

Correct Answer Logic:

VIPs must be secured through specialized protocols that do not interfere with the overall security of the airport.

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Reading and Writing (Module-1) QUESTION #5323

Question 2017

Despite the harsh conditions of the Arctic, several species of plants have adapted to thrive there by growing close to the ground, which ______ them from the chilling winds. Which choice completes the text with the most logical and precise word?

shields✔️
exposes
weakens
forces

Correct Answer Logic:

Growing low to the ground protects or 'shields' the plants from wind.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5770

Question 2018

Fluoxetine belongs to which class?

TCAs
MAOIs
SSRIs✔️
Atypical Antidepressants

Correct Answer Logic:

Fluoxetine is a prototype Selective Serotonin Re-uptake Inhibitor (SSRI).

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Islamic Studies QUESTION #8234

Question 2019

What is the primary subject or theme and thesis of the Quran?

The man/human beings✔️
The battles and their effects
The functions of Prayer (Nimaz) Zakat and Hajj
The narration of Devil's disobedience

Correct Answer Logic:

The primary theme of the Holy Quran is the guidance of mankind. The Quran addresses human beings, their relationship with Allah, their purpose in life, moral and ethical conduct, and the path to success in this world and the Hereafter. While it contains laws, stories, and descriptions of events, all these serve the central purpose of guiding humanity toward righteousness and submission to Allah.

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General Knowledge QUESTION #184

Question 2020

The 2024 Summer Olympics were held in:

London
Tokyo
Paris✔️
None of these

Correct Answer Logic:

The XXXIII Olympiad took place in Paris, France.

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