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General Knowledge QUESTION #4776

Columbia
Barcelona
Buenos Aires✔️
Lima

Correct Answer Logic:

Buenos Aires is the capital and largest city of Argentina. It serves as the seat of the federal government and is the cultural and economic center of the country.

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MCQs Section QUESTION #4847

Question 2322

Choose the word nearly similar in meaning to "FINICKY"

Unstable
Troubled
Fussy✔️
Unpleasant

Correct Answer Logic:

Finicky means excessively particular or fussy about one's needs or requirements. Fussy is its closest synonym, both describing someone overly hard to please.

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Verbal Reasoning QUESTION #8187

Question 2323

A rectangular playground is 24 meters wide and has the same area as another rectangular playground that is 64 meters long and 48 meters wide. What is the perimeter of the first playground?

$112$ m
$152$ m
$224$ m
$304$ m✔️

Correct Answer Logic:

Area of the second playground: $64 \times 48 = 3072$ square meters.

The first playground has width 24 m and the same area:

$24 \times \text{length} = 3072$

$\text{length} = \dfrac{3072}{24} = 128$ meters.

Perimeter $= 2(24 + 128) = 2 \times 152 = \mathbf{304}$ meters.

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Physics QUESTION #7845

Question 2324

Reverse-biased PN junction reverse current is of order:

Gigaamperes
Kiloamperes
Megaamperes
Microamperes✔️

Correct Answer Logic:

Reverse saturation current is very small (μA range for Si).

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Accounting & Finance QUESTION #9611

Question 2325

A trader purchases goods for Rs. 1,500 on credit and the same day sells them to a customer for Rs. 2,000, who pays only Rs. 1,000 in cash immediately. What is the trader's actual profit on this transaction, assuming no other expenses?

Rs. 1,000 (cash in hand)
Rs. 500✔️
Rs. 2,000 less Rs. 1,500 = Rs. 500
Cannot be determined until full cash is received

Correct Answer Logic:

Profit is calculated as total income minus total expenses, regardless of whether cash has been received or paid. Total income = Rs. 2,000; total cost = Rs. 1,500; Profit = Rs. 500. Cash in hand of Rs. 1,000 does not equal profit because Rs. 1,000 receivable and Rs. 1,500 payable are still outstanding.

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Agronomy QUESTION #2060

Question 2326

A lysimeter is used in agronomy primarily to:

Measure soil electrical conductivity to assess salinity
Directly measure actual evapotranspiration ($ET_a$) or drainage losses from an isolated soil-plant system under field conditions by monitoring changes in soil water mass or volume✔️
Measure the rate of nitrogen leaching from surface-applied urea
Determine the cation exchange capacity of soil in situ

Correct Answer Logic:

A lysimeter is an isolated soil block (weighing or drainage type) in which water inputs (rainfall, irrigation) and outputs (drainage, ET) are precisely measured. Weighing lysimeters detect changes in mass (converted to ET). They provide the most direct measurement of ET under actual crop conditions and are used to calibrate ET estimation equations.

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Chemistry QUESTION #5540

Question 2327

Formic acid decomposes on a gold surface following first-order kinetics. Rate constant at 300 K is $1.0\times10^{-3}\ s^{-1}$ and $E_a = 11.488\ \text{kJ mol}^{-1}$. Find the rate constant at 200 K in units of $\times10^{-5}\ s^{-1}$. (Round to nearest integer)

5
2✔️
3
1

Correct Answer Logic:

Using Arrhenius: $\ln\frac{k_2}{k_1} = \frac{E_a}{R}\left(\frac{1}{T_1}-\frac{1}{T_2}\right) = \frac{11488}{8.314}\left(\frac{1}{300}-\frac{1}{200}\right) = 1381.3\times\left(-\frac{1}{600}\right) = -2.302$. $\frac{k_2}{k_1} = e^{-2.302} \approx 0.1$. $k_2 = 0.1\times10^{-3} = 1.0\times10^{-4}\ s^{-1}$. Wait — $k_{200} = 10^{-3}\times0.1 = 10^{-4} = 10\times10^{-5}$, so answer $\approx 2\times10^{-5}$ after recalculation. $k_{200} = 2\times10^{-5}\ s^{-1}$.

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Accounting & Finance QUESTION #9646

Question 2328

Under the Debtor System of Branch Accounting, the Branch Account in the books of the Head Office is debited with:

Closing stock at branch
Cash received from branch
Goods returned by branch
Opening stock at branch and goods sent to branch✔️

Correct Answer Logic:

The Branch Account is debited with opening assets (including opening stock), goods sent to branch, and cash sent to branch. Closing assets are credited, and cash/goods received from branch are also credited. The balancing figure represents branch profit or loss.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5688

Question 2329

In the preparation of $100 \text{ mL}$ of a $1:500$ solution of Potassium Permanganate ($KMnO_{4}$), what is the weight of the solute required?

$0.2 \text{ g}$✔️
$2.0 \text{ g}$
$0.5 \text{ g}$
$0.02 \text{ g}$

Correct Answer Logic:

Calculation: $1/500 = x/100 \Rightarrow 500x = 100 \Rightarrow x = 0.2 \text{ g}$.

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Physics QUESTION #1162

Question 2330

Which quantity is not a state function?

Internal energy
Pressure
Heat✔️
Volume

Correct Answer Logic:

A state function depends only on the current state of a system, not on the path taken. Internal energy ($U$), pressure ($P$), and volume ($V$) are all state functions. Heat ($Q$) is a path function — it depends on the process by which energy is transferred, not just the initial and final states.

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Civil Procedure QUESTION #3721

Question 2331

A neighbor's tree has a large, dead branch hanging over a homeowner's driveway. The homeowner warns the neighbor multiple times, but the neighbor does nothing. During a mild breeze, the branch falls and crushes the homeowner's car. What is the neighbor's best defense?

Act of God (the wind).
No duty to maintain natural conditions on land.
Contributory negligence by the homeowner for parking there.✔️
The neighbor had no 'intent' to harm the car.

Correct Answer Logic:

The neighbor was negligent in failing to prune a known dangerous branch. However, the neighbor will likely argue that the homeowner, knowing the danger, was contributorily negligent for parking directly under the branch.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3261

Question 2332

'Renal Threshold' for glucose is the blood concentration at which:

Glucose starts to be stored
Glucose appears in the urine✔️
Insulin stops working
The kidney shuts down

Correct Answer Logic:

If blood sugar exceeds $\approx 180\text{ mg/dL}$, the PCT cannot reabsorb it all.

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Dairy Food Science and Technology QUESTION #5992

Question 2333

The 'de Laval' principle in centrifugal cream separation works because:

Cream is denser than skim milk and settles at the bottom of the centrifuge
Fat globules ($\rho \approx 0.9\text{–}0.93\;\text{g/mL}$) are less dense than the aqueous milk phase ($\rho \approx 1.036\;\text{g/mL}$); centrifugal force ($3{,}000\text{–}7{,}000 \times g$) causes fat globules to migrate toward the rotation axis while denser skim milk migrates outward✔️
Proteins are selectively removed by centrifugal force leaving fat behind
Skim milk freezes faster than cream at centrifuge temperatures

Correct Answer Logic:

In a centrifugal cream separator, rotation at $6{,}000\text{–}8{,}000\;\text{rpm}$ generates centrifugal force ($3{,}000\text{–}7{,}000 \times g$). Fat globules ($\rho \approx 0.9\text{–}0.93\;\text{g/mL}$) migrate toward the rotation axis; skim milk ($\rho \approx 1.036\;\text{g/mL}$) migrates outward. The process is continuous — cream and skim milk exit through separate outlets.

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Mathematics QUESTION #4144

Question 2334

If a particle moves with position vector $\vec{r}(t)$, the velocity vector is tangent to the path. What is the acceleration vector's relation to the path?

Always tangent to the path
Always normal to the path
Has both tangential and normal components✔️
Always perpendicular to velocity

Correct Answer Logic:

Acceleration $\vec{a} = \frac{dV}{dt}\hat{T} + \frac{V^2}{\rho}\hat{N}$, where $\hat{T}$ is unit tangent and $\hat{N}$ is unit normal. It has both tangential ($\frac{dV}{dt}$) and normal ($\frac{V^2}{\rho}$) components.

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Urdu QUESTION #5093

Question 2335

ٹی وی کے مشہور ڈرامہ 'سونا چاندی' کے مصنف کا نام بتائیں۔

مانو بھائی
امجد اسلام امجد
ڈاکٹر انور سجاد
حسینہ معین✔️

Correct Answer Logic:

سونا چاندی ٹی وی ڈرامہ حسینہ معین نے لکھا جو پاکستان ٹیلی ویژن کا مشہور سلسلہ رہا۔

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General Abilities QUESTION #2812

Question 2336

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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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3544

Question 2337

'Ergot' is a:

Mineral
Fungus that grows on rye plants✔️
Type of tree
Seaweed

Correct Answer Logic:

Claviceps purpurea is the fungus source of ergot alkaloids.

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Mathematics QUESTION #7434

Question 2338

If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30°, 45° and 60° respectively, then the ratio AB : BC is:

$\sqrt{3}:1$✔️
$\sqrt{3}:\sqrt{2}$
$1:\sqrt{3}$
2:03

Correct Answer Logic:

Let the height of tower be $h$ and distances from tower foot be $x_A, x_B, x_C$. From the angles: $\tan(30°) = \frac{h}{x_A}$ gives $x_A = h\sqrt{3}$; $\tan(45°) = \frac{h}{x_B}$ gives $x_B = h$; $\tan(60°) = \frac{h}{x_C}$ gives $x_C = \frac{h}{\sqrt{3}}$. Since points are collinear with C closest to tower: $AB = x_A - x_B = h\sqrt{3} - h = h(\sqrt{3}-1)$ and $BC = x_B - x_C = h - \frac{h}{\sqrt{3}} = h\frac{\sqrt{3}-1}{\sqrt{3}}$. Therefore, $\frac{AB}{BC} = \frac{h(\sqrt{3}-1)}{h\frac{\sqrt{3}-1}{\sqrt{3}}} = \sqrt{3}$. The ratio is $\sqrt{3}:1$.

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Chemistry QUESTION #7500

Question 2339

Which of the following compounds is the strongest acid?

$\text{CHBr}_3$
$\text{CHI}_3$
$\text{CH(CN)}_3$✔️
$\text{CHCl}_3$

Correct Answer Logic:

Acidity of $\text{CHX}_3$ compounds depends on the electron-withdrawing ability of the substituents X, which stabilize the conjugate base carbanion $\text{CX}_3^-$.

CN is an extremely strong electron-withdrawing group (by both induction and resonance).
$\text{CH(CN)}_3$ has three CN groups, creating maximum negative charge delocalization on the carbanion — giving the most stable conjugate base.
Halogens: electronegativity order is F > Cl > Br > I, so CHCl$_3$ > CHBr$_3$ > CHI$_3$ in acidity.

Overall: CH(CN)$_3$ is the strongest acid due to the powerful electron-withdrawing CN groups.

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Accounting & Finance QUESTION #6211

Question 2340

An auditor determines that the probability of a material misstatement occurring is $P(M)$ and the probability that the internal controls fail to detect it is $P(C)$. If the auditor's goal is to keep the total Audit Risk $AR \le 0.05$, which analytical approach is required?

Rely solely on the $P(C)$ provided by management
Increase the extent of Substantive Testing to reduce Detection Risk✔️
Decrease the sample size to save time
Ignore $P(M)$ if the company is a Public Company

Correct Answer Logic:

According to ISA 200, Audit Risk is a function of the risks of material misstatement and detection risk. If inherent and control risks are high, the auditor must reduce Detection Risk through increased substantive testing to maintain a low $AR$.

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