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While Trojans can do many things, they are primarily designed to provide a "backdoor" to hackers to steal sensitive information like passwords and credit card data.

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Physics QUESTION #368

Question 4344

What is emitted by a hot metal filament in a cathode ray tube?

X-ray
Proton
Electron✔️
Photon

Correct Answer Logic:

Hot metal filaments emit electrons through thermionic emission

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Mechanical Engineering QUESTION #2523

Question 4345

The instantaneous center (IC) of zero velocity for a rigid body in planar motion is the point at which:

Velocity is maximum
Acceleration is zero
The body has zero instantaneous velocity — every other point's velocity is perpendicular to the line joining it to the IC✔️
Angular velocity is zero

Correct Answer Logic:

The instantaneous center of zero velocity is a point where the velocity is zero at that instant. Every point on the body moves perpendicular to its line connecting to the IC, with speed proportional to its distance: $v_P=\omega\cdot r_{P/IC}$.

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Tourism & Hospitality Management QUESTION #1584

Question 4346

According to the Sustainable Tourism course, which of the following correctly identifies the THREE dimensions of sustainable tourism that must be managed simultaneously?

Economic, Political, and Technological dimensions
Socio-cultural, Environmental, and Economic dimensions✔️
Marketing, Operations, and Financial dimensions
Community, Government, and Private Sector dimensions

Correct Answer Logic:

The Sustainable Tourism course explicitly defines the three pillars of sustainable tourism management as: the Socio-cultural Dimension, the Environmental Dimension, and the Economic Dimension — each requiring distinct indicators, strategies, and management approaches.

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Others section QUESTION #4718

Question 4347

Reuters news agency belongs to which country?

USA
Germany
UK✔️
France

Correct Answer Logic:

Reuters is a British multinational news agency founded in 1851 by Paul Julius Reuter, headquartered in London, United Kingdom.

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Pakistan Affairs QUESTION #149

Question 4348

Why was the Indian National Congress immediately accepted by the intelligentsia in 1885?

Its objectives aligned with nationalist aspirations
It promised rapid political reforms
It was founded by A.O. Hume, a distinguished ex-official✔️
None of these

Correct Answer Logic:

G.K. Gokhale noted that Hume's status as a Briton provided the necessary legitimacy and safety for the group.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5756

Question 4349

Which enzyme is permanently inactivated by organophosphate compounds like Echothiophate?

Monoamine Oxidase
Angiotensin Converting Enzyme
Acetylcholinesterase✔️
Carbonic Anhydrase

Correct Answer Logic:

Echothiophate is an organophosphate that covalently binds and permanently inactivates acetylcholinesterase.

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Others section QUESTION #4743

Question 4350

Hugo Chávez was the President of which country?

Venezuela✔️
Brazil
Bolivia
Cuba

Correct Answer Logic:

Hugo Chávez served as President of Venezuela from 1999 until his death in 2013. He was known for his socialist Bolivarian Revolution policies.

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Islamic Studies QUESTION #660

Question 4351

The Great Mosque of Cordoba was built by:

Abdur Rehman I✔️
Al-Walid I
Harun al-Rashid
None of these

Correct Answer Logic:

Abdur Rehman I founded the mosque after establishing the Umayyad Emirate in Spain.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3102

Question 4352

The average lifespan of a Red Blood Cell (Erythrocyte) is approximately:

10 days
30 days
120 days✔️
1 year

Correct Answer Logic:

RBCs circulate for about 120 days before being destroyed by the spleen and liver.

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Contracts QUESTION #5840

Question 4353

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).

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Mathematics QUESTION #4120

Question 4354

Using the definition of limit, what is $\lim_{x \to 2} \frac{x^3 - 4}{x^2 + 1}$?

$\frac{4}{5}$✔️
$\frac{4}{3}$
$2$
$0$

Correct Answer Logic:

Direct substitution: $\frac{2^3 - 4}{2^2 + 1} = \frac{8-4}{4+1} = \frac{4}{5}$. The function is continuous at $x=2$.

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Urdu QUESTION #1400

Question 4355

شہرِ آشوب کس نوعِ صنف کی شاعری ہے؟

معاشرتی بدحالی✔️
قومی ترقی
ہجر و فراق
عشق و محبت

Correct Answer Logic:

شہرِ آشوب ایک ایسی شعری صنف ہے جس میں کسی شہر یا معاشرے کی تباہی، بربادی، اور معاشرتی بدحالی کو بیان کیا جاتا ہے۔ اس میں مختلف پیشوں سے تعلق رکھنے والے لوگوں کی تنزلی اور زوال کا ذکر ہوتا ہے۔ میر تقی میر اور سودا اس صنف کے نمایاں شعرا ہیں۔

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Ability / HR / Governance / Special Education QUESTION #5656

Question 4356

A CFAO discovers that departmental accounts have not been reconciled with CGA/AGPR figures for three consecutive months. Under his duties what is the MOST SERIOUS institutional risk this creates?

Risk of salary delays for government servants
Risk of undetected unauthorized expenditure going unreported to Parliament and the PAC because the liability register and actual figures will diverge — rendering financial control and audit ineffective✔️
Risk of loss of budget allocation for the next year
Risk that the Financial Adviser will be held personally liable

Correct Answer Logic:

The CFAO must systematize maintenance of accounts and their timely reconciliation with CGA/AGPR figures and maintenance of the Liability Register. Failure to reconcile means that unauthorized expenditure excess spending and liabilities cannot be detected compared against the actual figures — this fundamentally undermines the entire financial control architecture including audit PAC accountability and the PAO's personal answerability. This is analytically the most serious institutional risk.

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General Knowledge QUESTION #4485

Question 4357

_____ will co-host the next COP-31.

Indonesia and Turkey
Australia and Turkey✔️
Turkey and Thailand
None of these

Correct Answer Logic:

COP31 is planned to be jointly hosted by Australia and Turkey.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2994

Question 4358

The primary difference between a Syrup and an Elixir is:

Syrups are always alcoholic
Elixirs are less sweet and less viscous than syrups✔️
Syrups contain no water
Elixirs are only for external use

Correct Answer Logic:

Elixirs contain alcohol for solubility and are typically less viscous than sucrose-heavy syrups.

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Basic Mathematics QUESTION #4567

Question 4359

Simplify the ratio $12:18$:

$6:9$
$4:6$
$2:3$✔️
All of these

Correct Answer Logic:

Divide both by GCD $(12,18) = 6$: $\frac{12}{6}:\frac{18}{6} = 2:3$

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Reading and Writing (Module-1) QUESTION #5344

Question 4360

While researching a topic, a student has taken the following notes: The US Fish and Wildlife Service (FWS) keeps a list of all at-risk species. Species on the list are classified as either endangered or threatened. A species that is likely to soon become endangered is classified as threatened. The California red-legged frog is likely to soon become endangered, according to the FWS. The student wants to indicate the frog’s FWS classification category. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Likely to soon become endangered, the California red-legged frog is classified as threatened by the FWS.✔️
Species on the FWS list, which includes the California red-legged frog, are classified as either endangered or threatened.
The California red-legged frog appears on the FWS list of at-risk species.
According to the FWS, the California red-legged frog is in the endangered category.

Correct Answer Logic:

This choice correctly identifies the category ('threatened') based on the specific definition provided (likely to soon become endangered).

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