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Logical Reasoning QUESTION #3957

Question 4001

In the hierarchy of land animals, the size of the _____ is surpassed _____.

whale is only the✔️
only the whale is
is the whale only
only whale is the

Correct Answer Logic:

1

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Library Sciences QUESTION #1563

Question 4002

Which type of library circulation system uses barcodes or RFID tags on both library cards and items, and automates the charging and discharging process through an Integrated Library System (ILS)?

Browne system
Ledger system
Automated circulation system✔️
Dummy card system

Correct Answer Logic:

Automated circulation systems use barcodes or RFID technology on items and patron cards, linked to an Integrated Library System (ILS), to automatically record loans, returns, renewals, and holds — replacing manual systems like the Browne system or ledger-based methods.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5718

Question 4003

The minimum weighable quantity for a balance with a sensitivity requirement of $6 \text{ mg}$ and a permissible error of $5\%$ is:

$120 \text{ mg}$✔️
$300 \text{ mg}$
$60 \text{ mg}$
$12 \text{ mg}$

Correct Answer Logic:

Calculation: $(6 / 0.05) = 120 \text{ mg}$.

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Boilers Mechanical Engineering QUESTION #4056

Question 4004

'Corrosion' in a boiler can be categorized as:

External (from moisture/flue gases) and Internal (from water chemistry)✔️
Only external
Only internal
A sign of a good boiler

Correct Answer Logic:

Both sides of the metal must be protected.

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MCQs Section QUESTION #4897

Question 4005

A huge flying reptile that died out with the dinosaurs some 65 million years ago, the Quetzalcoatlus had a wingspan of 36 feet, _____ the largest flying creature the world has ever seen.

believed to be
and that is believed to be
and it is believed to have been✔️
which was, it is believed,

Correct Answer Logic:

It is believed to have been' uses the perfect infinitive 'to have been' to correctly reference a past state, consistent with the creature being extinct. Option A lacks a conjunction. Option B uses present tense incorrectly for an extinct creature. Option D is structurally awkward and incomplete.

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Chemistry QUESTION #791

Question 4006

Diamond is non-conductor due to:

Free electrons present
Giant structure
Absence of free electrons✔️
None

Correct Answer Logic:

In diamond, each carbon is covalently bonded to four others in a tetrahedral arrangement. There are no free electrons available to conduct electricity.

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Electrical Engineering QUESTION #2173

Question 4007

A half-wave dipole antenna has $R_{rad} = 73\,\Omega$, $R_{loss} = 7\,\Omega$, and directivity $D = 1.64$. Its radiation efficiency and gain are:

$\eta = 91.25\%$, $G \approx 1.497\,(1.75\,\text{dBi})$✔️
$\eta = 80\%$, $G = 1.31$
$\eta = 100\%$, $G = 1.64$
$\eta = 50\%$, $G = 0.82$

Correct Answer Logic:

$\eta = \frac{73}{73+7} = 0.9125 = 91.25\%$. $G = \eta \cdot D = 0.9125 \times 1.64 \approx 1.497 \approx 1.75\,\text{dBi}$.

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Chemistry QUESTION #5579

Question 4008

Iodoform ($CHI_3$) can be prepared by the iodoform test from all EXCEPT:

Ethyl methyl ketone ($CH_3COC_2H_5$)
Isopropyl alcohol ($(CH_3)_2CHOH$)
3-Methyl-2-butanone ($CH_3COCH(CH_3)_2$)
Isobutyl alcohol ($(CH_3)_2CHCH_2OH$)✔️

Correct Answer Logic:

The iodoform test is positive for compounds with $CH_3CO–$ or $CH_3CH(OH)–$ groups. Ethyl methyl ketone has $CH_3CO–$ → positive. Isopropyl alcohol has $CH_3CH(OH)–$ → positive. 3-Methyl-2-butanone has $CH_3CO–$ → positive. Isobutyl alcohol ($(CH_3)_2CHCH_2OH$) is a primary alcohol without $CH_3CH(OH)–$ group → does NOT give iodoform test.

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Architecture QUESTION #2345

Question 4009

In the Moment Distribution Method for indeterminate beams, the carry-over factor (COF) for a prismatic member with the far end FIXED is:

$\text{COF} = 0$
$\text{COF} = +\dfrac{1}{3}$
$\text{COF} = +\dfrac{1}{2}$✔️
$\text{COF} = -\dfrac{1}{2}$

Correct Answer Logic:

For a prismatic member with far end fixed, the carry-over factor is $+\dfrac{1}{2}$. When a moment $M$ is applied at the near end, $M/2$ is carried over to the far end (same sign). If the far end is pinned, COF = 0. If the far end is free, there is no carry-over meaningful definition since the member is statically determinate on one end.

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General Knowledge QUESTION #4486

Question 4010

In a new report, _____ urged leaders to halt obsession with fossil fuels.

Amnesty International
UN Environment Protection
IPCC✔️
None of these

Correct Answer Logic:

IPCC reports strongly warn against fossil fuel dependence.

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Adult Health [Medicine and Surgery] QUESTION #3918

Question 4011

A 58-year-old male is recovering from an acute myocardial infarction. He develops a heart rate of $40/ ext{min}$ with a blood pressure of $90/60 ext{ mmHg}$ and elevated jugular venous pressure. What is the most appropriate immediate intervention?

Atropine administration✔️
Epinephrine bolus
Temporary transvenous pacing
DC cardioversion

Correct Answer Logic:

No explanation provided for this question.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3055

Question 4012

The abbreviation 'o.u.' (oculus uterque) means:

Both eyes✔️
Left ear
Each hour
Once daily

Correct Answer Logic:

'o.u.' stands for both eyes.

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Physics QUESTION #1161

Question 4013

For the successful operation of a heat engine, which condition should be met?

Cyclic process
Operated at a certain temperature difference
Both (A) & (B)✔️
None of these

Correct Answer Logic:

A heat engine must: (1) operate in a cyclic process so that it can continuously perform work, and (2) operate between two temperature reservoirs (a hot source at $T_H$ and a cold sink at $T_C$) with $T_H > T_C$. Both conditions are essential as stated by the second law of thermodynamics.

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Civil Procedure QUESTION #5679

Question 4014

During a deposition, an attorney instructs a witness not to answer a question. Under Rule 30(c)(2), this is permissible ONLY when necessary to:

Prevent the witness from giving embarrassing testimony.
Preserve a privilege, enforce a limitation ordered by the court, or present a motion under Rule 30(d)(3).✔️
Object to the form of the question.
Avoid irrelevant information.

Correct Answer Logic:

Rule 30(c)(2) strictly limits when an attorney may instruct a deponent not to answer: only to preserve a privilege, enforce a court-ordered limitation, or move to terminate/limit the deposition.

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Urdu QUESTION #5161

Question 4015

قہوۂ عبارت سے کیا مراد ہے؟

عبارت کی تلخیص✔️
عبارت کا مفہوم
عبارت کا ترجمہ
ان میں سے کوئی نہیں

Correct Answer Logic:

قہوۂ عبارت سے مراد کسی عبارت کا خلاصہ یا تلخیص ہے۔

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Pakistan Affairs QUESTION #608

Question 4016

Whose behaviour disheartened M.A. Jinnah, leading him to decide to stay away from India?

M.K Gandhi
Jawahar Lal Nehru
Sardar Patel
None of these✔️

Correct Answer Logic:

Jinnah was disillusioned by the overall political atmosphere, specifically after the 1928 Nehru Report and the Lucknow Pact's failure .

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Agronomy QUESTION #2108

Question 4017

Agroecology as a scientific discipline and practice differs from conventional agronomy in that:

Agroecology advocates for higher synthetic input use to maximize ecosystem services
Agroecology applies ecological concepts and principles to the design and management of agricultural systems — emphasizing biodiversity, nutrient cycling, biological regulation of pests, and ecosystem resilience over external input-driven production, while also addressing social equity and food sovereignty dimensions✔️
Agroecology is exclusively applicable to subsistence farming systems in developing countries
Agroecology rejects all scientific research and relies entirely on traditional indigenous knowledge

Correct Answer Logic:

Agroecology (Altieri, Gliessman) integrates ecology, agronomy, and social sciences to design farming systems that mimic natural ecosystem functioning — maximizing internal biological processes (BNF, natural pest regulation, nutrient cycling through diversity) to reduce dependence on external inputs. It spans three dimensions: science (ecological principles), practice (farming methods), and movement (food systems transformation and farmer empowerment).

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Physics and Math QUESTION #743

Question 4018

Two resistances of 6Ω each are in parallel and third of 3Ω is connected in series:

10/3 Ω
15 Ω
9 Ω✔️
6 Ω

Correct Answer Logic:

Parallel combination of two 6Ω: R_p = (6x6)/(6+6) = 3Ω. Series with 3Ω: R_total = 3+3 = 6Ω. Answer is 6Ω but the marked answer in paper is 9Ω (C).

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Tourism & Hospitality Management QUESTION #1582

Question 4019

In the context of Pakistan's tourist destinations, which of the following categories correctly classifies the tourism resources covered in the course?

Only natural and cultural heritage resources
Natural resources (landforms, water bodies, biota), cultural heritage resources (Muslim, Buddhist, Sikh, Hindu), and neotourism (ecotourism, medical, MICE, pilgrimage)✔️
Adventure sports and gastronomic tourism only
National parks, hill stations, and urban commercial attractions only

Correct Answer Logic:

The Pakistan Tourist Destinations course systematically classifies resources into three categories: natural (mountains, deserts, beaches, flora-fauna), cultural heritage (multi-religious sites, fairs, museums), and neotourism destinations (ecotourism, camping, medical, MICE, pilgrimage tourism, and CPEC benefits).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3345

Question 4020

'Anaerobes' cannot grow in the presence of oxygen because they lack:

DNA
Cell walls
Enzymes like Superoxide Dismutase and Catalase✔️
Ribosomes

Correct Answer Logic:

These enzymes are needed to neutralize toxic oxygen byproducts.

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