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Chemistry QUESTION #461

Question 1

Hydrogen passed through phenol at 150?C in the presence of __________ catalyst gives cyclohexanol.

Tin
Nickel✔️
Iron
Sodium

Correct Answer Logic:

Nickel catalyst is used for hydrogenation

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Accounting Finance and Punjab Sales Tax on Services QUESTION #2571

Question 2

Under section 52(2)(b), a notice for recovery of a refund that was not due (obtained through fraud, forgery, false documents etc.) must be served within:

Three years from the date of receipt of refund
Five years from the end of the financial year in which the refund was received✔️
Eight years of the relevant tax period
Ten years from the date of erroneous refund

Correct Answer Logic:

Section 52(2)(b) as amended by Punjab Finance Act, 2022 provides that the show-cause notice for recovery of wrongly obtained refund must be issued within FIVE YEARS FROM THE END OF THE FINANCIAL YEAR IN WHICH THE REFUND WAS RECEIVED.

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Urdu QUESTION #5232

Question 3

ہو بہو کھینچے گا لیکن عشق کی تصویر کو، اٹھ گیا نوکِ فغاں، مارے گا دل پر تیر کون؟ علامہ اقبال کا یہ شعر کس کے بارے میں ہے؟

مرزا غالب
داغ دہلوی✔️
ناصر کاظمی
ان میں سے کوئی نہیں

Correct Answer Logic:

علامہ اقبال کا یہ شعر داغ دہلوی کے بارے میں ہے (آپشن 1 'داغ دہلوی' ہے)۔

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Civil Procedure QUESTION #3749

Question 4

The 'Full Faith and Credit' Clause of the Constitution requires that:

Congress must pay all national debts.
States must respect the public acts, records, and judicial proceedings of every other state.✔️
The President must believe in the Supreme Court.
Citizens must pay their taxes to the federal government before state governments.

Correct Answer Logic:

Article IV, Section 1 ensures that a judgment or record from one state is recognized and enforceable in others.

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Accounting & Finance QUESTION #6049

Question 5

For a levered firm (a firm that uses debt financing), which of the following ratios would ideally indicate the highest return to equity shareholders?

Return on Assets (ROA)
Return on Invested Capital (ROIC)
Return on Capital Employed (ROCE)
Return on Common Equity (ROE)✔️

Correct Answer Logic:

A levered firm uses debt, which creates a financial leverage effect. When a firm earns more on borrowed funds than it pays in interest, the surplus accrues to equity shareholders — amplifying returns. Return on Common Equity (ROE) $= \dfrac{\text{Net Income}}{\text{Shareholders' Equity}}$ captures this magnified return because the denominator (equity) is smaller when the firm uses debt. ROA and ROCE use total assets or capital employed (including debt) as the base, which dilutes the leverage effect.

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Education QUESTION #7571

Question 6

Useful culture and practical skills are emphasized in which educational philosophy?

Perennialism
Essentialism✔️
Progressivism
Reconstructionism

Correct Answer Logic:

Essentialism focuses on teaching essential knowledge, useful skills, and cultural fundamentals that students need to become productive members of society.

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Biology QUESTION #7245

Question 7

Myxomycetes are:

Saprobes or parasites, having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes
Slimy mass of multinucleate protoplasm, having pseudopodia-like structures for engulfing food, reproduction through fragmentation or zoospores✔️
Prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission
Eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by division of haploid individuals, sexual reproduction by fusion of two cells or their nuclei

Correct Answer Logic:

Myxomycetes (slime moulds) exist as a slimy, multinucleate plasmodium that moves like an amoeba using pseudopodia-like extensions to engulf food particles. They reproduce asexually by fragmentation or zoospores. They are acellular and belong to kingdom Protista.

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Civil Engineering QUESTION #6634

Question 8

The modulus of rupture ($f_r$) of concrete is used to estimate:

The ultimate compressive strength
The cracking moment of a section✔️
The shear capacity of the web
The bond strength of the bars

Correct Answer Logic:

The modulus of rupture is the theoretical maximum tensile stress at the bottom fiber of a beam that causes the concrete to crack.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5759

Question 9

The mechanism of action for Tubocurarine involves:

Persistent depolarization
Irreversible inhibition of Acetylcholinesterase
Competitive blockade of nicotinic receptors✔️
Activation of Muscarinic receptors

Correct Answer Logic:

Tubocurarine is a non-depolarizing (competitive) blocker of nicotinic receptors.

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Reading and Writing (Module-1) QUESTION #5411

Question 10

In many of her landscape paintings from the 1970s and 1980s, Lebanese American artist Etel Adnan worked to capture the essence of California's fog-shrouded Mount Tamalpais region through abstraction, using splotches of color to represent the area's features. Interestingly, the triangle representing the mountain itself _______ among the few defined figures in her paintings. Which choice completes the text so that it conforms to the conventions of Standard English?

are
have been
were
is✔️

Correct Answer Logic:

Singular verb 'is' agrees with the singular subject 'the triangle.'

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Civil Procedure QUESTION #3709

Question 11

A plaintiff (State A) sues a defendant (State B) in federal court in State A for $\text{\$50,000}$ for a car accident. The plaintiff also sues the same defendant for $\text{\$30,000}$ for an unrelated breach of contract. Does the court have subject matter jurisdiction?

No, because the claims are unrelated and neither meets the amount in controversy.
Yes, because a single plaintiff may aggregate all claims against a single defendant to meet the amount in controversy.✔️
No, aggregation is only allowed for claims arising from the same transaction.
Yes, because the total is over $\text{\$75,000}$ and there is diversity.

Correct Answer Logic:

Under the aggregation rules for 28 U.S.C. $\S 1332$, a single plaintiff may aggregate any and all claims they have against a single defendant, regardless of whether the claims are related.

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Political Science QUESTION #6671

Question 12

Who wrote 'Siyasatnama' (The Book of Government)?

Al-Ghazali
Nizam-ul-Mulk Tusi✔️
Ibn-e-Khaldun
None of these

Correct Answer Logic:

Nizam-ul-Mulk Tusi wrote this Persian work on kingship and administration.

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Education QUESTION #6711

Question 13

In differentiated instruction, 'ability diversity' refers PRIMARILY to:

Different IQ levels among students✔️
Variations in exceptionality across intellectual
communicative
sensory

Correct Answer Logic:

and physical dimensions

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MCQs Section QUESTION #4842

Question 14

Pick the word nearly opposite in meaning to "DELETERIOUS"

Nourishing✔️
Injurious
Vital
Fatal

Correct Answer Logic:

Deleterious means harmful or damaging to health or wellbeing. Its antonym is 'nourishing,' which means providing nourishment and promoting health and growth.

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English QUESTION #7639

Question 15

Change the narration: He said, "May I open the window? It's rather hot in here."

He said might he open the window. It was rather hot in there.
He asked if he might open the window. He mentioned it was rather hot in there.✔️
He asked if he might open the window as it was rather hot in there?
None of these

Correct Answer Logic:

When converting direct speech requesting permission to indirect speech, 'may' changes to 'might', and the reporting verb 'said' changes to 'asked'. The statement about temperature is reported separately using 'mentioned' or 'said'. Both parts need to be connected appropriately.

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Physics QUESTION #4398

Question 16

The time in which half of the given number of radioactive nuclei decay is known as:

$\dfrac{1}{2}$ life of radioactive element✔️
$\dfrac{2}{3}$ life of radioactive element
$\dfrac{1}{4}$ life of radioactive element
$\dfrac{2}{5}$ life of radioactive element

Correct Answer Logic:

Half-life ($t_{1/2}$) is defined as the time required for half ($50\%$) of the radioactive nuclei in a sample to decay. It is given by $t_{1/2} = \dfrac{0.693}{\lambda}$ where $\lambda$ is the decay constant.

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Boilers Mechanical Engineering QUESTION #2523

Question 17

The instantaneous center (IC) of zero velocity for a rigid body in planar motion is the point at which:

Velocity is maximum
Acceleration is zero
The body has zero instantaneous velocity — every other point's velocity is perpendicular to the line joining it to the IC✔️
Angular velocity is zero

Correct Answer Logic:

The instantaneous center of zero velocity is a point where the velocity is zero at that instant. Every point on the body moves perpendicular to its line connecting to the IC, with speed proportional to its distance: $v_P=\omega\cdot r_{P/IC}$.

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Ability / HR / Governance / Special Education QUESTION #1920

Question 18

Under Rule 11 consultation with the Establishment Division is mandatory before issuing orders involving appointment to a post at which grade and above?

BPS-18 and above
BPS-19 and above
BPS-20 and above whether by initial appointment promotion or transfer✔️
BPS-21 and above

Correct Answer Logic:

Rule 11(c) specifically requires prior consultation with the Establishment Division for appointment to a post in BPS-20 and above and equivalent whether by initial appointment or promotion or transfer.

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Islamic Studies QUESTION #626

Question 19

How many years did Hazrat Muhammad (ﷺ) stay in Makkah after the first Revelation?

10 years
11 years
12 years
13 years✔️

Correct Answer Logic:

He remained in Makkah for 13 years before migrating to Madina.

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Chemistry QUESTION #5528

Question 20

At $518°C$, the rate of decomposition of gaseous acetaldehyde (initially at 363 Torr) was $1.00\ \text{Torr s}^{-1}$ when 5% had reacted and $0.5\ \text{Torr s}^{-1}$ when 33% had reacted. Determine the order of this reaction.

1
2✔️
3

Correct Answer Logic:

Using pressure method: initial pressure $P_0 = 363$ Torr. At 5% reacted: $P = 363 \times 0.95 = 344.85$ Torr, rate = 1.00. At 33% reacted: $P = 363 \times 0.67 = 243.2$ Torr, rate = 0.5. For order $n$: $\frac{r_1}{r_2} = \left(\frac{P_1}{P_2}\right)^n \Rightarrow \frac{1.00}{0.5} = \left(\frac{344.85}{243.2}\right)^n \Rightarrow 2 = (1.418)^n$. Solving: $n = \frac{\ln 2}{\ln 1.418} \approx 2$. The reaction is second order.

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