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Library Sciences QUESTION #1574

According to standard library procedures, 'write-off' of library material is most appropriately initiated when an item meets which condition?

The item has been on loan for more than two weeks
The item is lost, permanently damaged beyond repair, stolen and unrecoverable, or obsolete and beyond economic repair after following due process✔️
The item has not been circulated for one year
The item's subject matter is no longer taught in the curriculum

Correct Answer Logic:

Write-off (stock withdrawal) is a formal administrative procedure initiated when materials are lost, irreparably damaged, stolen, or obsolete. It requires documentation, approval from competent authority, and removal from the catalogue and inventory records — following institutional rules and audit requirements.

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Electrical Engineering QUESTION #2186

Question 4342

A Wien bridge oscillator uses $R = 10\,\text{k}\Omega$ and $C = 10\,\text{nF}$. The oscillation frequency and op-amp closed-loop gain required for sustained oscillation are:

$f_0 \approx 1.59\,\text{kHz}$, $A_v = 3$✔️
$f_0 \approx 1.59\,\text{kHz}$, $A_v = 2$
$f_0 \approx 15.9\,\text{kHz}$, $A_v = 3$
$f_0 \approx 159\,\text{Hz}$, $A_v = 1$

Correct Answer Logic:

$f_0 = \frac{1}{2\pi RC} = \frac{1}{2\pi\times10^4\times10^{-8}} \approx 1591\,\text{Hz} \approx 1.59\,\text{kHz}$. Barkhausen criterion for Wien bridge requires loop gain $= 1$; feedback factor $\beta = 1/3$ at $f_0$, so $A_v = 3$ (i.e., $R_f = 2R_1$).

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Geology QUESTION #10664

Question 4343

A Lowstand Systems Tract (LST) in sequence stratigraphy typically develops during a period of:

Rapid relative sea-level rise
Maximum flooding (maximum transgression)
Relative sea-level fall and lowstand✔️
Stable highstand conditions

Correct Answer Logic:

The Lowstand Systems Tract (LST) develops during and immediately after a relative fall in sea level, when the shoreline is displaced basinward to its lowest position. It is characterised by incised valley fills, basin floor fans, slope fans, and lowstand prograding wedges. It overlies the sequence boundary (unconformity on the shelf) and is overlain by the Transgressive Systems Tract (TST) as sea level rises again.

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Pakistan Affairs QUESTION #9121

Question 4344

May 28th is celebrated as 'Yaum-e-Takbeer' in Pakistan because of which event?

Start of Kargil conflict
Successful nuclear tests (Youm-e-Takbeer)✔️
Ojhi Camp tragedy
Uprising in Kashmir

Correct Answer Logic:

May 28, 1998, Pakistan conducted nuclear tests.

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The Constitution of Pakistan QUESTION #9352

Question 4345

The Council of Common Interests established under Article 153 is responsible for formulating and regulating policies in relation to matters in which part of the Fourth Schedule?

Part I (Federal Legislative List)
Part II (now abolished Concurrent List)
Certain specific entries of the Federal Legislative List as listed in Article 154✔️
The entire Fourth Schedule

Correct Answer Logic:

Article 154(1) charges the Council of Common Interests with formulating and regulating policies in relation to matters in Part II of the Federal Legislative List and exercising supervision and control over related institutions. Post-18th Amendment, the Concurrent List was abolished and relevant matters were distributed.

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Chemistry QUESTION #7128

Question 4346

Which of the following reagent systems is specifically used to produce trans-alkenes from the reduction of alkynes?

$H_{2}$ with $Pd/C$ and $BaSO_{4}$
$NaBH_{4}$
$Na$ in liquid $NH_{3}$✔️
$Sn$ and $HCl$

Correct Answer Logic:

The reduction of non-terminal alkynes using sodium ($Na$) or lithium ($Li$) in liquid ammonia ($NH_3$) follows a free-radical mechanism that leads to the formation of the more stable trans-alkene (Birch reduction). Conversely, Lindlar's catalyst ($H_2, Pd/C, BaSO_4$) would yield a cis-alkene.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3475

Question 4347

Which branch of Pharmacognosy deals with the history, commerce, selection, and preservation of crude drugs?

Ethnobotany
General Pharmacognosy✔️
Phytochemistry
Zoology

Correct Answer Logic:

General Pharmacognosy covers the broader aspects of crude drug management and history.

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General Knowledge QUESTION #8876

Question 4348

Who was the first president of the All India Muslim League?

Sir Aga Khan✔️
Nawab Salim Ullah
Mohammad Ali Jinnah
Raja Sahib Mahmood

Correct Answer Logic:

Sir Aga Khan III was the first president.

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Verbal Reasoning QUESTION #8111

Question 4349

If $0 < st < 1$, which of the following could be true?

$s < -1$ and $t > 0$
$s < -1$ and $t < -1$✔️
$s > -1$ and $t < -1$
$s > 1$ and $t < -1$

Correct Answer Logic:

We need $0 < st < 1$, meaning $st$ is a small positive number. This requires $s$ and $t$ to have the same sign.

Option A: $s < -1, t > 0$ → $st < 0$. Not possible.
Option B: $s < -1, t < -1$ → both negative, so $st > 0$. For example $s = -2, t = -0.3$: $st = 0.6$, which satisfies $0 < st < 1$. ✓
Option C: $s > -1, t < -1$ → could give $st$ negative or positive depending on sign of $s$. If $s = 0.5, t = -2$: $st = -1 < 0$. Not valid for all cases.
Option D: $s > 1, t < -1$ → $st < -1 < 0$. Not possible.

Option B is the one that can satisfy the condition.

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Accounting & Finance QUESTION #6223

Question 4350

If a Public Company has a paid-up capital of $Rs. 5,000,000$, who can be appointed as its auditor?

A Cost and Management Accountant
Any person with a Master's degree in Finance
The Company Secretary
A Chartered Accountant within the meaning of the CA Ordinance 1961✔️

Correct Answer Logic:

For public companies or private companies with paid-up capital of three million rupees or more, the auditor must be a Chartered Accountant.

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General Knowledge QUESTION #11485

Question 4351

Which Word tool assists in decreasing spelling inaccuracies during typing?

AutoFormat
AutoCorrect✔️
Smart Tags
AutoText

Correct Answer Logic:

AutoCorrect automatically corrects common spelling mistakes and typos as you type (e.g. 'teh' → 'the'). It maintains a correction list and also auto-capitalises sentence beginnings. Spell Check (F7) catches errors after typing; AutoCorrect fixes them in real time.

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Reading and Writing (Module-1) QUESTION #5421

Question 4352

While researching a topic, a student has taken the following notes: • Soo Sunny Park is a Korean American artist who uses light as her primary medium of expression. • She created her work Unwoven Light in 2013. • Unwoven Light featured a chain-link fence fitted with iridescent plexiglass tiles. • When light passed through the fence, colorful prisms formed. The student wants to describe Unwoven Light to an audience unfamiliar with Soo Sunny Park. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Park's 2013 installation Unwoven Light, which included a chain-link fence and iridescent tiles made from plexiglass, featured light as its primary medium of expression.
Korean American light artist Soo Sunny Park created Unwoven Light in 2013.
The chain-link fence in Soo Sunny Park's Unwoven Light was fitted with tiles made from iridescent plexiglass.
In Unwoven Light, a 2013 work by Korean American artist Soo Sunny Park, light formed colorful prisms as it passed through a fence Park had fitted with iridescent tiles.✔️

Correct Answer Logic:

This choice identifies Park, dates the work, and describes what made it distinctive (colorful prisms from light through iridescent tiles).

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2956

Question 4353

How many grains are equivalent to $1\text{ gram}$ in the Apothecaries' system (approximate)?

10 grains
15.43 grains✔️
60 grains
437.5 grains

Correct Answer Logic:

In the conversion between metric and apothecary systems, $1\text{ gram}$ is approximately $15.432$ grains.

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MCQs Section QUESTION #5030

Question 4354

غلط املا کا انتخاب کریں۔

جنہوں✔️
تمہیں
انہوں
ان میں سے کوئی نہیں

Correct Answer Logic:

درست املا 'جنھوں' ہے، 'جنہوں' غلط ہے۔ 'انھوں' اور 'تمھیں' درست ہیں۔

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English QUESTION #2763

Question 4355

Find the word SIMILAR IN MEANING to 'Diligent'.

Lazy
Careless
Hardworking✔️
Idle

Correct Answer Logic:

'Diligent' means showing steady and careful effort in work. 'Hardworking' has the same meaning. 'Lazy', 'Careless', and 'Idle' are opposite in meaning.

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Pakistan Affairs QUESTION #604

Question 4356

Who gave the statement: "There should not be contradiction between the words of God and works of God"?

Allama Iqbal
Sir Sayyed Ahmad Khan✔️
Allama Inayatullah Mashriqi
None of these

Correct Answer Logic:

This was a core philosophical principle of Sir Sayyed Ahmad Khan to reconcile religion and science .

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Civil Engineering QUESTION #2119

Question 4357

In the moment distribution method for analyzing indeterminate structures, the distribution factor (DF) for a member at a joint is defined as:

The ratio of the member stiffness to the sum of stiffnesses of all members meeting at the joint✔️
The ratio of the fixed-end moment in the member to the total applied moment at the joint
The carry-over factor multiplied by the member stiffness
The ratio of span length to total length of all members at the joint

Correct Answer Logic:

Distribution Factor $DF = \dfrac{K_{member}}{\sum K_{members\,at\,joint}}$, where $K = \dfrac{4EI}{L}$ for far-end fixed and $K = \dfrac{3EI}{L}$ for far-end pinned. The sum of DFs at any joint always equals 1.0 (except at fixed supports where DF = 0). The DF determines what fraction of the unbalanced moment is distributed to each member at a joint.

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Civil Procedure QUESTION #3747

Question 4358

A public school principal bans students from wearing black armbands to protest a war. The Supreme Court's ruling in Tinker v. Des Moines suggests that this ban is:

Constitutional, because schools have a right to prevent any political speech.
Unconstitutional, unless the school can prove the armbands caused a substantial disruption to the educational environment.✔️
Constitutional, if the armbands were made of silk.
Unconstitutional, because students have the same First Amendment rights as adults in all settings.

Correct Answer Logic:

Tinker established that students do not 'shed their constitutional rights to freedom of speech or expression at the schoolhouse gate.' Speech can only be restricted if it causes a 'substantial disruption.'

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Medicinal Chemistry and Biopharmaceutics QUESTION #3816

Question 4359

Wool fat is unavailable and must be replaced by lanolin ($28\%$ water, $72\%$ wool fat). What amounts of lanolin and water are needed for the prescription: zinc oxide $2$ g, calamine $2$ g, wool fat $36$ g, water to $60$ g?

$34$ g lanolin and $22$ mL water
$40$ g lanolin and $16$ mL water
$46$ g lanolin and $10$ mL water
$50$ g lanolin and $6$ mL water✔️

Correct Answer Logic:

Lanolin needed $= \dfrac{36}{0.72} = 50$ g. Water from lanolin $= 50 \times 0.28 = 14$ mL. Total water in formula $= 60 - 2 - 2 - 36 = 20$ mL. Additional water $= 20 - 14 = 6$ mL.

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English QUESTION #8426

Question 4360

I was annoyed _______ my mistake.

on
up
at✔️
in

Correct Answer Logic:

'Annoyed at' something is correct.

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