Reading Mode - Questions

Yes, as an admission by a party-opponent.
No, because it is hearsay and also violates the spousal privilege.✔️
Yes, if the statement was an 'Excited Utterance.'
No, because the wife is 'unavailable' and her statement is not against her own interest.

Correct Answer Logic:

The statement is hearsay. It is not an admission because the wife is not a party. Furthermore, marital privileges often prevent such testimony if the communication was confidential or if the spouse refuses to testify.

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Mechanical Engineering QUESTION #2423

Question 445

The Biot number (Bi) in transient heat conduction is defined as \(Bi = hL_c/k\). It represents:

Convective resistance at surface divided by conductive resistance inside body
Internal conductive resistance to external convective resistance: \(Bi = hL_c/k = \frac{L_c/(kA)}{1/(hA)}\)✔️
Thermal diffusivity to kinematic viscosity
Inertial forces to viscous forces

Correct Answer Logic:

Biot number: \(Bi=hL_c/k\), the ratio of internal conductive resistance \(L_c/(kA)\) to external convective resistance \(1/(hA)\). When \(Bi\ll 0.1\), the lumped capacitance method is valid.

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General Science and Ability QUESTION #193

Question 446

The process of preserving meat by stewing in a covered earthenware jug is called:

Burial
Jugging✔️
Curing
None of these

Correct Answer Logic:

Jugging is a traditional method of slow-cooking meat inside a tightly sealed jug.

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English QUESTION #2676

Question 447

Find the relationship similar to: 'Doctor : Hospital'

Teacher : School✔️
Farmer : City
Chef : Office
Writer : Store

Correct Answer Logic:

A doctor works in a hospital; a teacher works in a school.

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Computer Science QUESTION #1151

Question 448

What is the primary role of a 'Foreign Key' in a relational database?

To uniquely identify a row
To ensure referential integrity✔️
To speed up searches
To sort data

Correct Answer Logic:

A Foreign Key is a field that links to the Primary Key of another table, ensuring that the relationship between data in the two tables remains consistent.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3474

Question 449

The term 'Pharmacognosy' was first coined by Seydler in 1815. It is derived from which Greek words?

'Pharmakon' (drug) and 'gnosis' (knowledge)✔️
'Physis' (nature) and 'logos' (study)
'Pharmakon' and 'logos'
'Gnosis' and 'logos'

Correct Answer Logic:

Pharmacognosy literally means 'knowledge of drugs'.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3512

Question 450

The 'Stomata' and 'Trichomes' of a leaf are studied during which type of evaluation?

Chemical
Microscopical✔️
Physical
Organoleptic

Correct Answer Logic:

Microscopy is essential for identifying cellular characteristics of organized drugs.

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Biology QUESTION #551

Question 451

_____ did not have the adaptations to remove the flooding of their cells in fresh water.

Both B, D
Hydrophytes✔️
None of B, D
Xerophytes

Correct Answer Logic:

Hydrophytes are adapted to prevent flooding

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Chemistry QUESTION #1007

Question 452

RBr undergoes Grignard reaction (Mg, dry ether) followed by hydrolysis (\(\text{H}_2\text{O}\)) to give 2-methylbutane. The maximum number of structural isomers of RBr that can produce 2-methylbutane is:

5
4✔️
3
1

Correct Answer Logic:

2-Methylbutane is \(\text{CH}_3\text{CH(CH}_3\text{)CH}_2\text{CH}_3\). The Grignard reagent RMgBr reacts with water to give R–H. So R– must be a fragment of 2-methylbutane: 1-methylbutyl, 2-methylbutyl, 1-methyl-1-propyl, neopentyl, and isobutyl radicals. Counting distinct structural isomers of RBr gives 4.

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Security Measures to Maintain Law and Order QUESTION #866

Question 453

The ultimate goal of combining "Security Measures" with "Ethics" is to ensure:

Total fear
Public Trust and Safety✔️
Faster boarding
Higher fines

Correct Answer Logic:

Effective law and order are only sustainable if the public trusts that security measures are applied fairly, legally, and ethically.

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Logical Reasoning QUESTION #3931

Question 454

A journalist working to correct legal errors would logically oppose a ruling that was _____ appeals for prisoners who might be _____.

barring...guilty✔️
restricting...innocent
encouraging...culpable
scrutinizing...eligible

Correct Answer Logic:

1

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English QUESTION #2641

Question 455

Which of the following words is a 'collective noun'?

Flock✔️
Beautiful
Run
Slowly

Correct Answer Logic:

A collective noun refers to a group of individuals; 'flock' refers to a group of birds or sheep.

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Economics QUESTION #1713

Question 456

Among the structural inefficiencies plaguing Pakistan's electricity sector, which specific operational failure has been most directly responsible for the sector's financial losses and the accumulation of circular debt?

Excess installed generation capacity relative to actual demand (overcapacity)
High transmission and distribution (T&D) losses combined with electricity theft and under-recovery✔️
Prohibitively high electricity tariffs that suppress industrial and household demand
None of these

Correct Answer Logic:

Pakistan's power sector inefficiency is primarily driven by high transmission and distribution (T&D) losses — officially around 17–20% but effectively higher when electricity theft (kundas) is included — combined with poor bill recovery rates from distribution companies (DISCOs). These losses mean that significant electricity is generated and distributed but not paid for, creating a cash flow shortfall that cascades into the circular debt. Overcapacity (capacity payments) is a contributing but secondary factor.

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Chemistry QUESTION #1422

Question 457

The Nernst equation relates electrode potential to:

Pressure
Temperature and concentration✔️
Surface area
None of these

Correct Answer Logic:

The Nernst equation: \(E = E^\circ - \dfrac{RT}{nF}\ln Q\) relates the electrode potential \(E\) to the standard electrode potential \(E^\circ\), temperature \(T\), number of electrons \(n\), Faraday constant \(F\), and the reaction quotient \(Q\) (which depends on concentration). So electrode potential depends on both temperature and concentration of the species involved.

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Security Measures to Maintain Law and Order QUESTION #853

Question 458

If an AD ASF detains a suspect beyond the legal time limit without producing them before a magistrate, it is a violation of:

Section 13
Fundamental Rights (Article 10)✔️
Section 5
Airport Regulations

Correct Answer Logic:

Article 10 of the Constitution of Pakistan (and standard legal ethics) protects against arbitrary detention, which ASF must respect under Section 7(3).

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Security Measures to Maintain Law and Order QUESTION #927

Question 459

Why is training in First Aid essential for ASF personnel?

To replace professional doctors
To provide immediate help during emergencies✔️
To reduce insurance premiums
To pass the time between shifts

Correct Answer Logic:

Security officers are often the first on the scene and must be able to stabilize victims until medical help arrives.

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English QUESTION #820

Question 460

Spot the error: 'The duties of the new secretary are (A)to answer the telephone, (B)to type letters, and (C)book (D)keeping.'

to answer the telephone
to type letters
book✔️
keeping

Correct Answer Logic:

The error is at (C). To maintain parallel structure with 'to answer' and 'to type', it should be 'to keep books' or 'bookkeeping' as one word. The list breaks parallelism at 'book keeping'.

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