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Basic Mathematics QUESTION #4630

Question 3221

If $5$ workers complete a job in $6$ days, how many days for $3$ workers (at same rate)?

$10$ days✔️
$3.6$ days
$9$ days
$18$ days

Correct Answer Logic:

Total work = $5 \times 6 = 30$ worker-days. For $3$ workers: $\frac{30}{3} = 10$ days

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Library Sciences QUESTION #1519

Question 3222

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.

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Islamic Studies QUESTION #359

Question 3223

The first Caliph of the Abbasid Caliphate was:

Saffah✔️
Haroon UR Rasheed
Mansoor
Mamoon

Correct Answer Logic:

Abu al-Abbas al-Saffah was the founder and first caliph of the Abbasid dynasty.

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Biology QUESTION #4180

Question 3224

The envelop in a virus is derived from

Host cell ribosomes
Host cell membrane✔️
Viral capsid proteins
Viral genome replication

Correct Answer Logic:

The viral envelope is derived from the host cell membrane during budding.

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Pakistan Affairs QUESTION #584

Question 3225

Jallianwala Bagh Massacre took place on:

13th April 1919✔️
22nd December 1918
18th March 1918
None of These

Correct Answer Logic:

The massacre occurred in Amritsar on April 13, 1919.

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Mathematics QUESTION #4143

Question 3226

For uniform circular motion with speed $V$ and radius $R$, what is the normal component of acceleration?

$\frac{V}{R}$
$\frac{V^2}{R}$✔️
$\frac{dV}{dt}$
$0$

Correct Answer Logic:

Normal (centripetal) acceleration $a_n = \frac{V^2}{R}$ directed toward the center of curvature.

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Chemistry QUESTION #4344

Question 3227

The element with smallest value of ionization energy is:

U
Al
Ca
Ba✔️

Correct Answer Logic:

Ionization energy decreases down a group and across a period (left to right increases). Ba (Barium) is in Group 2, Period 6, so it has the lowest ionization energy among the given options.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3009

Question 3228

Which of the following is a 'Flocculating Agent' used in suspensions?

Electrolytes
Surfactants
Polymers
All of these✔️

Correct Answer Logic:

Electrolytes, surfactants, and polymers can all be used to form 'flocs' to improve suspension stability.

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Physics and Math QUESTION #735

Question 3229

If the radius of circle is doubled then centripetal force becomes:

Doubled
Remains same
Half✔️
Reduces four times

Correct Answer Logic:

Centripetal force F = mv²/r. If r is doubled F becomes mv²/2r = F/2. So the force is halved.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3298

Question 3230

'IgE' antibodies are primarily involved in which physiological process?

Blood clotting
Allergic reactions and parasite defense✔️
Digestion
Oxygen transport

Correct Answer Logic:

IgE binds to mast cells and triggers the release of histamine.

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Basic Mathematics QUESTION #2866

Question 3231

Find the value of $x$ if $\sqrt{x} + 12 = 20$.

8
64✔️
16
400

Correct Answer Logic:

Subtract $12$ from both sides: $\sqrt{x} = 8$. Square both sides: $x = 8^2 = 64$.

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Therapeutics and Patient Care QUESTION #3872

Question 3232

Among the benzodiazepines listed, which one does NOT have an approved indication for treating epileptic seizures?

Clonazepam
Oxazepam✔️
Diazepam
Lorazepam

Correct Answer Logic:

Oxazepam is used primarily for anxiety and alcohol withdrawal. Clonazepam, diazepam, and lorazepam all have established uses in epilepsy management.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3453

Question 3233

'Steroids' like estrogen and testosterone are derived from:

Amino acids
Glucose
Cholesterol✔️
Phosphate

Correct Answer Logic:

Cholesterol is the parent compound for all steroid hormones.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3519

Question 3234

An 'Allergen' is a substance that:

Causes a disease
Triggers an allergic reaction (hypersensitivity)✔️
Cures a headache
Increases energy

Correct Answer Logic:

Allergens stimulate the immune system to react excessively.

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Islamic Studies QUESTION #329

Question 3235

"Do not raise your voice above the voice of the Prophet (ﷺ)." This order is in:

Al-Ahzab
Al-Maidah
Al-Hujurat✔️
Al-Najm

Correct Answer Logic:

This etiquette is commanded in the opening verses of Surah Al-Hujurat.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2978

Question 3236

The British Pharmacopoeia (BP) is updated and published annually by the:

British Medical Association
British Pharmacopoeia Commission✔️
Royal Pharmaceutical Society
World Health Organization

Correct Answer Logic:

The BP Commission is responsible for the annual publication of the British Pharmacopoeia.

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Urdu QUESTION #5210

Question 3237

رسالہ 'اسبابِ بغاوتِ ہند' کس کی تحریر ہے؟

سید امیر علی
سر سید احمد خان✔️
علامہ اقبال
ظفر علی خان

Correct Answer Logic:

اسبابِ بغاوتِ ہند سر سید احمد خان کی تصنیف ہے جس میں 1857ء کی جنگِ آزادی کے اسباب بیان کیے گئے ہیں۔

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Mathematics QUESTION #4103

Question 3238

If $T:\mathbb{R}^3\to\mathbb{R}^2$ is a linear transformation with $\text{rank}(T)=2$, then by the Rank-Nullity Theorem, the dimension of the kernel is:

$0$
$1$✔️
$2$
$3$

Correct Answer Logic:

Rank-Nullity Theorem: $\dim(\ker T)+\text{rank}(T)=\dim(\mathbb{R}^3)=3$. Given $\text{rank}(T)=2$: $\dim(\ker T)=3-2=1$.

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Library Sciences QUESTION #1556

Question 3239

In information science, Shannon and Weaver's Mathematical Theory of Communication (1949) contributed to library science by providing a framework for understanding:

How to classify books using decimal notation
The transmission, noise, and channel capacity of information signals and systems✔️
How to conduct reference interviews
The historical development of library catalogues

Correct Answer Logic:

Shannon and Weaver's model introduced concepts of information transmission, signal noise, entropy, and channel capacity. These concepts informed the development of information retrieval systems and helped quantify information — foundational to the information science dimension of LIS.

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Administration QUESTION #2931

Question 3240

What is considered a vital component of successful decision-making in the field of general management?

Focusing on how decisions impact long-term organizational goals✔️
Handing over all decision-making tasks to lower-level staff
Basing decisions exclusively on numerical data
None of these

Correct Answer Logic:

Effective management requires a strategic perspective, ensuring that immediate choices align with the organization's future objectives.

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