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Chemistry QUESTION #438

Question 6301

The process of filtration is used to separate __________ particles from liquids.

Radial
Angular
Insoluble✔️
Soluble

Correct Answer Logic:

Filtration separates insoluble particles

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Accounting & Finance QUESTION #6153

Question 6302

Units produced and sold: 48,000; Direct materials ($3/kg): $298,000; Direct labour ($4/hr): $240,000; Fixed selling costs: $150,000; Variable selling costs: $24,000. Fixed production overheads absorbed at $10 per labour hour. What is the total absorption cost per unit?

$14.83
$23.71✔️
$26.83
$27.33

Correct Answer Logic:

Option B ($23.71) is correct.

Labour hours = $240,000 ÷ $4 = 60,000 hours

Fixed production overhead = 60,000 × $10 = $600,000

Total production cost = $298,000 + $240,000 + $600,000 = $1,138,000

Absorption cost per unit = $1,138,000 ÷ 48,000 = $23.71

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Math (Module-1) QUESTION #5463

Question 6303

Nasir bought $9$ identical storage bins. He used a $\$63$ coupon off the total price. After the coupon, the total was $\$27$. What was the original price of one bin?

9
10✔️
11
12

Correct Answer Logic:

Let $p$ be the price per bin. $9p - 63 = 27 \implies 9p = 90 \implies p = 10$.

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Quantitative Reasoning QUESTION #8141

Question 6304

Just as the authors' work on eels serves as a foundational text for marine vertebrate zoology courses, their ideas on animal development and phylogeny _______ teaching in this area.

prevent
defy
replicate
inform✔️

Correct Answer Logic:

The analogy is that the book serves as a key text — it guides and shapes courses. Their ideas similarly inform (guide, shape, provide intellectual substance to) teaching. 'Inform' means to give essential character or substance to something — exactly how foundational ideas work in education. 'Prevent' means to block. 'Defy' means to resist. 'Replicate' means to copy — none capture the idea of shaping educational content.

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Education QUESTION #7568

Question 6305

The logical order of content organization means arranging the content according to:

Course
Behavior
Design
Logical sequence✔️

Correct Answer Logic:

Logical sequence means organizing content in a step-by-step manner that follows natural progression, from simple to complex or from concrete to abstract.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3639

Question 6306

'Saffron' (Zafran) consists of the dried:

Leaves
Stigmas and styles of the flower✔️
Seeds
Roots

Correct Answer Logic:

Crocus sativus stigmas are the most expensive spice/drug.

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Statistics QUESTION #1959

Question 6307

For a certain event (sure event), the value of probability is:

1✔️
0.5
0.2

Correct Answer Logic:

A sure or certain event is one that will definitely occur. By the axioms of probability, $P(S) = 1$, where $S$ is the sample space or sure event.

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Chemistry QUESTION #4358

Question 6308

For the reaction $2A + B \rightarrow 3C + D$, which of the following does NOT express the reaction rate?

$-\dfrac{d[B]}{dt}$
$\dfrac{d[D]}{dt}$
$-\dfrac{1}{2}\dfrac{d[A]}{dt}$
$-\dfrac{1}{3}\dfrac{d[C]}{dt}$✔️

Correct Answer Logic:

Rate $= -\dfrac{1}{2}\dfrac{d[A]}{dt} = -\dfrac{d[B]}{dt} = +\dfrac{1}{3}\dfrac{d[C]}{dt} = +\dfrac{d[D]}{dt}$. The expression $-\dfrac{1}{3}\dfrac{d[C]}{dt}$ is wrong because C is a product so its rate should be positive: $+\dfrac{1}{3}\dfrac{d[C]}{dt}$.

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Political Science QUESTION #6659

Question 6309

Who authored the famous political treatise 'The Republic'?

Aristotle
Plato✔️
Socrates
None of these

Correct Answer Logic:

Plato's 'The Republic' explores justice and the concept of the Philosopher King.

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Civil Procedure QUESTION #3711

Question 6310

A plaintiff sues a defendant for patent infringement. The court enters a final judgment in favor of the defendant. A year later, the plaintiff sues the same defendant for trade secret misappropriation based on the exact same set of facts and product development. The defendant moves to dismiss. What is the most likely result?

The motion is denied because the legal theories (patent vs trade secret) are different.
The motion is granted based on issue preclusion.
The motion is granted based on claim preclusion (res judicata).✔️
The motion is denied because the plaintiff did not 'actually litigate' the trade secret claim in the first case.

Correct Answer Logic:

Claim preclusion (res judicata) prevents a party from re-litigating a claim that was or *could have been* brought in a prior action between the same parties that resulted in a final judgment on the merits, provided the new claim arises from the same transaction or occurrence.

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General Ability and Fire Fighting QUESTION #5597

Question 6311

Class D fires involve which type of fuel?

Cooking fats and oils
Flammable liquids
Combustible metals✔️
Ordinary combustibles

Correct Answer Logic:

Class D fires involve combustible metals such as magnesium and potassium. They require specialized dry powder extinguishing agents.

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Mathematics QUESTION #6931

Question 6312

How many integers greater than $6000$ can be formed using the digits $3, 5, 6, 7, 8$ without repeating any digit?

216
192✔️
120
72

Correct Answer Logic:

Numbers greater than 6000 can be 4-digit or 5-digit.

5-digit numbers: All arrangements of 5 digits $= 5! = 120$.

4-digit numbers $> 6000$: The leading digit must be $6, 7,$ or $8$ (3 choices). Remaining 3 positions filled from 4 remaining digits: $3 \times 4 \times 3 \times 2 = 72$.

Total $= 120 + 72 = \mathbf{192}$

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Math Physics Chemistry Biology QUESTION #4223

Question 6313

Which competitive inhibitor blocks the enzyme responsible for bacterial cell wall synthesis?

Sulphonamide
Streptomycin
Tetracycline
Penicillin✔️

Correct Answer Logic:

Penicillin inhibits cell wall synthesis enzymes.

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MCQs Section QUESTION #4859

Question 6314

Choose the correct synonym of "GROTTO"

Statue
Cavern✔️
Neighbourhood
Type of moth

Correct Answer Logic:

A grotto is a small picturesque cave or an artificial ornamental cave. Cavern is its closest synonym, both referring to a cave-like structure.

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Physics QUESTION #1057

Question 6315

A sphere of radius $R$ is cut from a larger sphere of radius $2R$. Ratio of moment of inertia of smaller sphere to rest part about Y-axis:

$\dfrac{7}{57}$
$\dfrac{7}{64}$
$\dfrac{7}{8}$
$\dfrac{7}{40}$✔️

Correct Answer Logic:

Let density $=\rho$. Mass of large sphere: $M=\frac{4}{3}\pi(2R)^3\rho=\frac{32\pi R^3\rho}{3}$. Mass of small sphere: $m=\frac{4}{3}\pi R^3\rho=\frac{M}{8}$. $I_{small}=\frac{2}{5}mR^2$. Small sphere center is at $R$ from Y-axis (it's cut from side). $I_{small,Y}=\frac{2}{5}mR^2+mR^2=\frac{7mR^2}{5}$. $I_{large,Y}=\frac{2}{5}M(2R)^2=\frac{8MR^2}{5}$. $I_{rest}=I_{large}-I_{small,Y}=\frac{8MR^2}{5}-\frac{7mR^2}{5}=\frac{8MR^2-7(M/8)R^2}{5}=\frac{MR^2(8-7/8)}{5}=\frac{57MR^2}{40}$. Ratio $=\frac{7mR^2/5}{57MR^2/40}=\frac{7M/5\times40}{8\times57M}=\frac{7\times40}{5\times8\times57}=\frac{280}{2280}=\frac{7}{57}$.

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Islamic Studies QUESTION #326

Question 6316

Who is the author of the book "Al-Hisbah fil Islam"?

Ibn e Rushd
Ibn Abdul Bar
Ibn e Taymiyya✔️
Ibn e Qayyim

Correct Answer Logic:

The book was written by the famous scholar Ibn e Taymiyya.

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Math Physics Chemistry Biology QUESTION #4268

Question 6317

Which component of a reflex arc connects the sensory neuron to the motor neuron within the spinal cord?

Receptor
Effector
Muscle fiber
Associative neuron✔️

Correct Answer Logic:

The associative neuron (interneuron) is located in the spinal cord and connects the sensory (afferent) neuron to the motor (efferent) neuron in a reflex arc.

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Geography QUESTION #6350

Question 6318

In settlement geography, 'primacy' occurs when:

The largest city is disproportionately larger than the second city✔️
Cities are evenly distributed by size
Small towns dominate the settlement hierarchy
Rural population exceeds urban population

Correct Answer Logic:

Primacy describes urban systems where the largest city far exceeds the second city (e.g., Bangkok is over 40 times larger than Thailand's second city). Primate cities dominate economically, politically, and culturally, contrasting with rank-size rule distributions.

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Accounting & Finance QUESTION #6050

Question 6319

Given: Quick (acid-test) ratio $= 2.0$; Current assets $= \text{Rs. }5{,}000$; Inventory $= \text{Rs. }2{,}000$; Prepaid expenses $= 0$. Find the value of current liabilities.

Rs. 1,500✔️
Rs. 2,500
Rs. 3,500
Rs. 6,000

Correct Answer Logic:

The Quick Ratio formula is:

$\text{Quick Ratio} = \dfrac{\text{Current Assets} - \text{Inventory} - \text{Prepaid Expenses}}{\text{Current Liabilities}}$

$2.0 = \dfrac{5{,}000 - 2{,}000 - 0}{\text{CL}} = \dfrac{3{,}000}{\text{CL}}$

$\text{CL} = \dfrac{3{,}000}{2.0} = \mathbf{Rs.\ 1{,}500}$

The quick ratio excludes inventory and prepaid expenses from current assets since these are less liquid. Dividing quick assets by the ratio gives current liabilities.

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General Abilities QUESTION #4615

Question 6320

Which number is both even and prime?

$4$
$6$
$2$✔️
No such number

Correct Answer Logic:

$2$ is the only even prime number. All other even numbers are divisible by $2$, so they have more than two factors.

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