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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3343

Question 3461

'Lysis' of a cell means the cell:

Divides
Bursts or dissolves✔️
Shrinks
Moves faster

Correct Answer Logic:

Bacteriophages (viruses) often cause lysis of their bacterial hosts.

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Physics QUESTION #1153

Question 3462

The zeroth law of thermodynamics helps to define the term:

Temperature✔️
Pressure
Volume
Density

Correct Answer Logic:

The zeroth law of thermodynamics states that if two systems are each in thermal equilibrium with a third system, they are in thermal equilibrium with each other. This law provides the basis for defining and measuring temperature.

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MCQs Section QUESTION #5185

Question 3463

ہندی صنفِ نظم 'دوہا' مشتمل ہوتا ہے؟

فقط ایک شعر پر✔️
دو اشعار پر
چار اشعار پر
طوالت پر پابندی نہیں

Correct Answer Logic:

دوہا ہندی نظم کی صنف ہے جس میں صرف ایک شعر ہوتا ہے۔

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5785

Question 3464

If a drug is an imitation of another drug or resembles another drug to deceive, it is:

Misbranded
Spurious✔️
Substandard
Counterfeit

Correct Answer Logic:

A drug that imitates another is classified as spurious[cite: 7].

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Physics QUESTION #7313

Question 3465

A particle moves such that $x = (t+5)^{-1}$. The acceleration of the particle is proportional to:

$(\text{velocity})^{2/3}$
$(\text{velocity})^{3/2}$✔️
$(\text{distance})^{2}$
$(\text{distance})^{-2}$

Correct Answer Logic:

$v = \dfrac{dx}{dt} = -(t+5)^{-2}$, so $(t+5) = (-v)^{-1/2}$

$a = \dfrac{dv}{dt} = 2(t+5)^{-3} = 2(-v)^{3/2}$

Therefore $a \propto \mathbf{(\text{velocity})^{3/2}}$

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Dairy Food Science and Technology QUESTION #5997

Question 3466

The 'water holding capacity' (WHC) of yoghurt gel is related to:

Total fat content of the milk used
The protein network density, degree of cross-linking, and porosity of the casein gel — determined by pre-heat treatment of milk (denatured $\beta$-Lg plugs gel pores), fermentation $\text{pH}$, and protein concentration✔️
The amount of starter culture added
Incubation temperature above $45^{\circ}\text{C}$

Correct Answer Logic:

WHC of yoghurt gel determines syneresis susceptibility. High WHC $=$ less syneresis. WHC is improved by: high heat treatment of milk ($90\text{–}95^{\circ}\text{C}/5\text{–}10\;\text{min}$) — denatured $\beta$-Lg associates with $\kappa$-casein increasing network density; higher protein concentration (SMP fortification); slower acidification; EPS-producing strains.

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Reading and Writing (Module-1) QUESTION #5405

Question 3467

Earth's atmosphere is bombarded by cosmic dust originating from several sources: short-period comets (SPCs), particles from the asteroid belt (ASTs), Halley-type comets (HTCs), and Oort cloud comets (OCCs). Some of the dust's material vaporizes in the atmosphere in a process called ablation, and the faster the particles move, the higher the rate of ablation. Astrophysicist Juan Diego Carrillo-Sánchez led a team that calculated average ablation rates for elements in the dust (such as iron and potassium) and showed that material in slower-moving SPC or AST dust has a lower rate than the same material in faster-moving HTC or OCC dust. For example, whereas the average ablation rate for iron from AST dust is 28%, the average rate for _______. Which choice most effectively uses data from the table to complete the example?

iron from SPC dust is 20%.
sodium from OCC dust is 100%.
iron from HTC dust is 90%.✔️
sodium from AST dust is 75%.

Correct Answer Logic:

The example illustrates lower ablation in slower-moving AST dust (28% for iron) versus higher ablation in faster-moving HTC dust (90% for iron).

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Math Physics Chemistry Biology QUESTION #554

Question 3468

Prophase, metaphase and telophase are subdivisions of

Mitosis
Karyokinesis✔️
Cytokinesis
None of these

Correct Answer Logic:

These are stages of karyokinesis (nuclear division)

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Psychology QUESTION #9745

Question 3469

Which model of health psychology proposes that health and illness are determined by a combination of biological, psychological, and social factors, replacing the traditional purely biomedical view?

General Adaptation Syndrome
Biopsychosocial Model✔️
Health Belief Model
Transtheoretical Model

Correct Answer Logic:

The Biopsychosocial Model, proposed by George Engel (1977), argues that health and illness result from the interaction of biological (genetics, physiology), psychological (thoughts, emotions, behavior), and social (relationships, culture, socioeconomic status) factors. It replaced the reductionist biomedical model (which viewed illness as purely physical). This model is the dominant framework in modern health psychology and clinical medicine.

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Chemistry QUESTION #474

Question 3470

100 m? of a gas at 3 atm pressure and 27?C is transferred to a chamber of 300 m? volume maintained at a temperature of 327?C. What will be the pressure in chamber?

6 atm
4 atm
2 atm✔️
1 atm

Correct Answer Logic:

Using ideal gas law: P?V?/T? = P?V?/T?

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Accounting & Finance QUESTION #6080

Question 3471

Identify the statement that is not correct regarding accounting ledgers and accounts:

Control accounts help identify errors within the sales and purchases ledgers.
Any credit balances remaining in a sales ledger are categorized as trade receivables.✔️
Debit balances found in a purchases ledger are treated as current assets.
Irrecoverable debts are included in the sales ledger control account.

Correct Answer Logic:

Statement B is incorrect because a credit balance in the sales ledger (usually due to overpayment or returns) represents a trade payable (liability), not a receivable. Debit balances in the purchases ledger are current assets (Statement C) and Statement D is correct as write-offs are recorded in the control account.

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Accounting & Finance QUESTION #9661

Question 3472

Under Single Entry System, an increase in Machinery by Rs. 14,000, an increase in Stocks by Rs. 6,000, a decrease in Debtors by Rs. 2,000, a decrease in Cash by Rs. 1,000, an increase in Creditors by Rs. 1,500, and a decrease in Accrued expenses by Rs. 300 — what is the net change in Owner's Equity before adjusting for drawings and fresh capital?

Rs. 15,800✔️
Rs. 17,200
Rs. 14,200
Rs. 20,800

Correct Answer Logic:

Change in Owner's Equity = Net change in Assets – Net change in Liabilities. Asset changes: +14,000 +6,000 –2,000 –1,000 = +17,000. Liability changes: +1,500 –300 = +1,200. Net change in equity = 17,000 – 1,200 = Rs. 15,800.

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General Knowledge QUESTION #4812

Question 3473

The lowest percentage of internet users globally is found in which region?

North America
Africa✔️
Australia
Latin America

Correct Answer Logic:

Africa has historically had the lowest internet penetration rate among all global regions, though the rate has been growing rapidly in recent years with mobile internet expansion.

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Nursing QUESTION #9298

Question 3474

A patient is prescribed digoxin 0.25 mg orally. Available tablets are 0.125 mg each. How many tablets should the nurse administer?

0.5 tablet
1 tablet
2 tablets
✔️
3 tablets

Correct Answer Logic:

Using the Desired-Available formula for drug dosage calculation:

\[ \text{Tablets} = \frac{\text{Desired dose}}{\text{Available dose per tablet}} = \frac{0.25 \text{ mg}}{0.125 \text{ mg per tablet}} = 2 \text{ tablets} \]

Critical nursing points for Digoxin:

Assess apical pulse for 1 full minute before administering
Withhold and notify physician if pulse < 60 bpm (adults) or < 100 bpm (infants)
Therapeutic range: $ 0.5\text{–}2.0 \text{ ng/mL} $
Toxicity signs: bradycardia, nausea/vomiting, visual disturbances (yellow-green halos), arrhythmias
Hypokalemia increases digoxin toxicity risk

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Pharmacokinetics and Pharmacodynamics QUESTION #3840

Question 3475

When plasma drug concentrations are described as being at 'steady state', what pharmacokinetic condition does this most precisely represent?

The rate of drug administration equals the rate of drug elimination✔️
The dosing interval of the drug remains constant
The therapeutically effective levels have been reached
The protein binding of a drug has come to equilibrium

Correct Answer Logic:

Steady state is the pharmacokinetic condition where the rate of drug input equals the rate of drug elimination, resulting in constant average plasma drug concentrations over time: $R_{\text{in}} = R_{\text{out}}$.

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Islamic Studies QUESTION #628

Question 3476

Meaning of the word "Zakat" is:

To Purify✔️
To Pay
To Sacrifice
To Clean

Correct Answer Logic:

Literally, Zakat means "to purify" or "to grow".

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General Knowledge QUESTION #4690

Question 3477

Which country manufactures the Entac anti-tank missile?

USA
England
France✔️
USSR

Correct Answer Logic:

The ENTAC (Engin Téléguidé Anti-Char) is a wire-guided anti-tank missile developed and manufactured by France.

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Urdu QUESTION #1407

Question 3478

اردو کی وہ کون سی کتاب ہے جس میں عربی فارسی کا ایک بھی لفظ شامل نہ ہو؟

مہر نیم روز
فسانۂ عجائب
پدماوت
رانی کیتکی کی کہانی✔️

Correct Answer Logic:

''رانی کیتکی کی کہانی'' منشی انشاء اللہ خاں انشا کی وہ مشہور تحریر ہے جس میں انہوں نے جان بوجھ کر صرف خالص ہندی (کھڑی بولی) کے الفاظ استعمال کیے اور عربی فارسی کا کوئی لفظ نہیں آنے دیا۔ یہ اردو نثر کا ایک منفرد تجربہ ہے۔

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Maths QUESTION #2812

Question 3479

A population increased from 50,000 to 65,000. What is the percentage increase?

20%
25%
30%✔️
35%

Correct Answer Logic:

Increase $= 65000 - 50000 = 15000$. Percentage increase $= \dfrac{15000}{50000} \times 100 = 30\%$.

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Math Physics Chemistry Biology QUESTION #7748

Question 3480

Malpighian tubules are excretory structures found in which organism?

Earthworm
Grasshopper✔️
Leech
Slug

Correct Answer Logic:

Malpighian tubules are the excretory organs in insects like grasshoppers. Earthworm has nephridia; leech has nephridia; slug (mollusk) has a kidney-like organ.

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