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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3267

Question 1

'Hemolysis' refers to the:

Production of blood
Destruction of Red Blood Cells✔️
Clotting of blood
Filtering of blood

Correct Answer Logic:

Hemolysis releases hemoglobin into the plasma.

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Physics QUESTION #7020

Question 2

A vessel contains $15\text{ g}$ of Nitrogen gas at $27^\circ\text{ C}$. How much heat must be transferred to the gas so that the $rms$ velocity of the molecules is doubled? (Use $R = 8.3\text{ J/K mole}$)

$0.9\text{ kJ}$
$6\text{ kJ}$
$10\text{ kJ}$
$14\text{ kJ}$✔️

Correct Answer Logic:

To double the $rms$ velocity, the absolute temperature $T$ must increase four times because $v_{rms} \propto \sqrt{T}$. Initial $T = 300\text{ K}$, final $T = 1200\text{ K}$, so $\Delta T = 900\text{ K}$. Heat $Q = n C_v \Delta T$. For $N_2$ (diatomic), $C_v = \frac{5}{2}R$. Number of moles $n = \frac{15}{28}$. $Q = (\frac{15}{28}) \times (\frac{5}{2} \times 8.3) \times 900 \approx 10,000\text{ J}$ or $10\text{ kJ}$.

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Geology QUESTION #10675

Question 3

The apparent dip of a bed measured in any vertical section other than the true dip direction is always:

Greater than the true dip
Equal to the true dip
Less than the true dip✔️
Depends on the exact dip angle

Correct Answer Logic:

The apparent dip is always less than or equal to the true dip. The relationship is: $\tan(\alpha) = \tan(\delta) \cdot \cos(\beta)$, where $\alpha$ = apparent dip, $\delta$ = true dip, and $\beta$ = angle between the measured section and the true dip direction. When $\beta = 0°$ (section perpendicular to strike), $\cos\beta = 1$ and apparent dip equals true dip. For any other section orientation, $\cos\beta < 1$, so apparent dip $< $ true dip.

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MBBS QUESTION #10301

Question 4

Hemoglobin is one of the most important intracellular/protein buffers in the body, particularly within red blood cells buffering the hydrogen ions generated from CO2 hydration. This buffering capacity is largely attributable to which amino acid's side chain, whose pKa lies close to physiological pH?

Histidine (imidazole side chain)✔️
Glycine
Alanine
Leucine

Correct Answer Logic:

The imidazole ring of histidine has a pKa close to physiological pH, making histidine-rich proteins like hemoglobin excellent physiological buffers — a property exploited by red blood cells to buffer H+ generated as carbonic anhydrase converts CO2 and water to carbonic acid during tissue CO2 uptake.

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Psychology QUESTION #11362

Question 5

Psychophysics is the study of the relationship between:

psychology & physics
sensory attributes & physical energies✔️
stimuli & physical energies
perception & physical process

Correct Answer Logic:

Psychophysics is the study of the relationship between sensory attributes and physical energies.

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Psychology QUESTION #9897

Question 6

Studies show that an 'authoritarian' family environment tends to produce an adolescent who is:

Dependent and obedient✔️
Independent but reserved
Surface-compliant but rebellious underneath
Self-reliant

Correct Answer Logic:

Baumrind's research shows authoritarian parenting (high control, low warmth) tends to produce obedient and dependent children — compliant around authority but showing lower self-esteem, less autonomy, and less independent thinking.

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Tourism & Hospitality Management QUESTION #1621

Question 7

The Tourism Management course covers 'managing urban tourism.' Which of the following is identified as a key challenge specific to urban tourism management?

Lack of accommodation in rural areas
Balancing the needs of resident populations with the demands of tourists, managing heritage sites in urban contexts, and addressing overcrowding and infrastructure strain✔️
The absence of natural attractions in cities
The high cost of adventure sports in urban environments

Correct Answer Logic:

Module 3 of the Tourism Management course — 'Managing Tourism in Its Environment' — covers urban tourism and identifies key challenges including: integrating tourism within existing urban infrastructure, managing heritage sites, balancing resident quality of life against tourist demand, and addressing overcrowding — issues that differ fundamentally from rural or natural-area tourism management.

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Islamic Studies QUESTION #633

Question 8

To whom did Haroon Al-Rashid give the responsibility of writing a book on finance?

Imam Awza'i
Imam Abu Yusuf✔️
Imam Muhammad bin Hasan
None of these

Correct Answer Logic:

He commissioned Imam Abu Yusuf to write Kitab-ul-Kharaj.

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Math Physics Chemistry Biology QUESTION #11343

Question 9

Which of the following is a type of cell that lacks a nucleus?

Eukaryotic cell
Prokaryotic cell✔️
Plant cell
Animal cell

Correct Answer Logic:

Prokaryotic cells lack a nucleus.

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ETAG General Aptitude QUESTION #3760

Question 10

A manager noted: 'He often ________ the figures. False data won't assist. Honesty ________ trust.' Pick the pair that correctly fills these gaps.

overstates; produces✔️
excels; promotes
worsens; reduces
lessens; removes

Correct Answer Logic:

'Exaggerate/overstate' fits the context of false claims, and 'engender/produce' fits the outcome of honesty.

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MCQs Section QUESTION #5045

Question 11

'سودیشی ریل' کس کا مزاحیہ مضمون ہے؟

شوکت تھانوی
مجید لاہوری
پطرس بخاری✔️
مشتاق احمد یوسفی

Correct Answer Logic:

'سودیشی ریل' پطرس بخاری کا مشہور مزاحیہ مضمون ہے جو اردو مزاح نگاری میں سنگِ میل کی حیثیت رکھتا ہے۔

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MBBS QUESTION #10317

Question 12

Oxidative damage to membrane polyunsaturated fatty acids, driven by free radicals and implicated in aging, atherosclerosis, and tissue injury, is termed:

Saponification
Lipid peroxidation✔️
Esterification
Beta-oxidation

Correct Answer Logic:

Lipid peroxidation is a chain-reaction process in which free radicals abstract hydrogen atoms from unsaturated fatty acid side chains, generating reactive lipid peroxides that damage membrane integrity; antioxidants such as vitamin E help limit this process.

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Boilers Mechanical Engineering QUESTION #2380

Question 13

For a closed-loop (negative feedback) control system with forward path transfer function $Y_1(s)$ and feedback path $Y_2(s)$, the closed-loop transfer function is:

$Y(s) = Y_1(s) \cdot Y_2(s)$
$Y(s) = \frac{Y_1(s)}{1 + Y_1(s) \cdot Y_2(s)}$✔️
$Y(s) = \frac{Y_1(s)}{1 - Y_1(s) \cdot Y_2(s)}$
$Y(s) = \frac{1}{1 + Y_1(s)}$

Correct Answer Logic:

The closed-loop (negative feedback) transfer function: $Y(s)=\frac{Y_1(s)}{1+Y_1(s)Y_2(s)}$. For unity feedback ($Y_2=1$): $Y(s)=\frac{Y_1(s)}{1+Y_1(s)}$. This is the fundamental closed-loop formula.

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Reading and Writing (Module-1) QUESTION #10480

Question 14

The board's decision to cut funding was met with ------- protest, as employees who depended on the program grew increasingly -------.

muted . . content
vociferous . . outraged✔️
silent . . satisfied
indifferent . . calm

Correct Answer Logic:

Employees who relied on the program would protest loudly ('vociferous') and become 'outraged.'

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Math Physics Chemistry Biology QUESTION #11257

Question 15

The oxygen-carrying capacity of blood is primarily determined by:

The number of white blood cells
The hemoglobin concentration✔️
The plasma protein level
The platelet count

Correct Answer Logic:

Hemoglobin is the iron-containing protein in red blood cells that binds and transports oxygen. Each hemoglobin molecule can carry up to 4 oxygen molecules. The oxygen-carrying capacity is directly proportional to hemoglobin concentration.

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Islamic Studies QUESTION #8220

Question 16

The Prophet Mohammad (PBUH) named "Ahmad" which Surah of Holy Quran?

Surah Al-Saff✔️
Surah Al-Mohammad
Surah Al-Ambia
Surah AL-Baqarah

Correct Answer Logic:

The name 'Ahmad' (another name of Prophet Muhammad PBUH) is mentioned in Surah As-Saff (61:6). The verse quotes Prophet Isa (Jesus AS) giving glad tidings to the Children of Israel about a messenger to come after him whose name would be Ahmad. This prophecy refers to Prophet Muhammad (PBUH). 'Muhammad' means 'the praised one' and 'Ahmad' means 'the most praised one'—both derived from the same root 'h-m-d' meaning praise.

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Math Physics Chemistry Biology QUESTION #4311

Question 17

An oligosaccharide is made up of at least:

Two saccharide units✔️
Ten saccharide units
Three to ten saccharide units
More than ten saccharide units

Correct Answer Logic:

Oligosaccharides consist of a small number of monosaccharide units, typically 2–10. The minimum is 2 units, making a disaccharide the simplest oligosaccharide.

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Psychology QUESTION #9719

Question 18

Which division of the autonomic nervous system conserves energy by slowing heart rate, stimulating digestion, and promoting a 'rest and digest' state?

Somatic nervous system
Sympathetic division
Parasympathetic division✔️
Central nervous system

Correct Answer Logic:

The parasympathetic division of the autonomic nervous system promotes the 'rest and digest' state. It slows heart rate, lowers blood pressure, stimulates digestive activity, and conserves bodily resources. This contrasts with the sympathetic division, which triggers the 'fight or flight' response by mobilizing energy in threatening situations.

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Accounting & Finance QUESTION #6106

Question 19

A suspense account was opened after a trial balance failed to agree. Errors found:

Sales invoice for $1,240 completely omitted.
Purchases entered as $85,600 instead of $87,580.
Rent paid $2,600 posted as $6,200 in rent account.

What was the original balance on the suspense account?

$1,620 credit✔️
$1,620 debit
$5,580 credit
$5,580 debit

Correct Answer Logic:

Option A ($1,620 credit) is correct.

Only one-sided errors affect the suspense account:

Error 1 (complete omission): Does NOT affect suspense.
Error 2: Purchases understated by $1,980 → Debit Purchases, Credit Suspense $1,980.
Error 3: Rent overposted by $3,600 → Debit Suspense, Credit Rent $3,600.

Net: Dr $3,600 − Cr $1,980 = Dr $1,620 needed → original balance was $1,620 credit.

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Nursing QUESTION #9303

Question 20

A patient is suspected to have meningitis. The nurse performs a Kernig's sign test. Kernig's sign is positive when:

The patient's neck stiffens on passive flexion
The patient cannot straighten the knee when the hip is flexed at 90 degrees✔️
The pupil fails to react to light
Plantar flexion occurs on stroking the sole

Correct Answer Logic:

Kernig's Sign — assessment for meningeal irritation:

Position: Patient supine, flex hip and knee to 90 degrees
Attempt to extend (straighten) the knee
Positive sign: Resistance and pain on knee extension (patient cannot straighten leg) — indicates meningeal irritation/meningitis

Other signs of meningitis:

Sign	Test	Positive Finding
Brudzinski's sign	Passive neck flexion	Involuntary hip and knee flexion
Kernig's sign	Hip flexed, extend knee	Resistance/pain on extension
Nuchal rigidity	Passive neck flexion	Resistance/pain (stiff neck)

Classic triad of bacterial meningitis: fever, neck stiffness, altered consciousness.

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