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English QUESTION #2702

Question 1741

What do we call: 'A place where birds are kept'?

Apiary
Aviary✔️
Zoo
Aquarium

Correct Answer Logic:

An 'aviary' is for birds; an 'apiary' is for bees.

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Civil Procedure QUESTION #5682

Question 1742

In a non-jury trial, the court finds for the plaintiff but fails to state findings of fact and conclusions of law. Is this a violation of the rules?

No, findings are only required if a party requests them.
Yes, Rule 52(a)(1) requires the court to find the facts specially and state its conclusions of law separately in an action tried on the facts without a jury.✔️
No, because the judgment itself is sufficient.
Yes, but only if the case involves more than $75,000.

Correct Answer Logic:

Rule 52(a)(1) explicitly requires findings of fact and conclusions of law in non-jury trials.

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Mathematics QUESTION #6940

Question 1743

Find the number of surjective (onto) functions $f$ from $\{1,2,3,\ldots,20\}$ to $\{1,2,3,\ldots,20\}$ such that $f(k)$ is a multiple of 3 whenever $k$ is a multiple of 4.

$6^5 \times (15)!$
$5! \times 6!$
$(15)! \times 6!$✔️
$5^6 \times 15$

Correct Answer Logic:

Multiples of 4 in $\{1,\ldots,20\}$: $\{4,8,12,16,20\}$ — 5 elements. Their images must be multiples of 3 in $\{1,\ldots,20\}$: $\{3,6,9,12,15,18\}$ — 6 elements.

Assign the 5 multiples-of-4 to 5 of the 6 multiples-of-3 (injectively, since $f$ is onto): $6 \times 5 \times 4 \times 3 \times 2 = 6!/(6-5)! = 720$... but we need surjection on all 20 elements.

The remaining 15 domain elements map to the remaining 15 codomain elements (after fixing the 5 images above): $(15)!$ ways. But 1 multiple-of-3 is unused by the multiples-of-4, so it must be covered by remaining 15 elements.

Total $= 6! \times (15)! = (15)! \times 6!$

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Chemistry QUESTION #4366

Question 1744

The value of Planck's constant is:

$6.6262 \times 10^{-30}\ J\cdot s$
$6.6262 \times 10^{-32}\ J\cdot s$
$6.6262 \times 10^{+34}\ J\cdot s$
$6.6262 \times 10^{-34}\ J\cdot s$✔️

Correct Answer Logic:

Planck's constant $h = 6.626 \times 10^{-34}\ J\cdot s$. It relates the energy of a photon to its frequency: $E = h\nu$.

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General Knowledge QUESTION #4478

Question 1745

The development that meets present needs without compromising future generations is called:

Sustainable Development✔️
Green Development
Positive Development
None of these

Correct Answer Logic:

Definition of sustainable development from Brundtland Report.

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Biology QUESTION #7260

Question 1746

Which of the following is a flowering plant with root nodules containing filamentous nitrogen-fixing microorganisms?

Cicer arietinum
Casuarina equisetifolia✔️
Crotalaria juncea
Cycas revoluta

Correct Answer Logic:

Casuarina equisetifolia (a flowering plant/angiosperm) forms root nodules with Frankia, a filamentous actinomycete (not a typical rod-shaped bacterium). Cicer and Crotalaria form nodules with Rhizobium (non-filamentous). Cycas is a gymnosperm with coralloid roots harbouring cyanobacteria.

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Chemistry QUESTION #7502

Question 1747

Match the compounds in Item I with their correct detection reagents in Item II:

Item I (Compound)	Item II (Reagent)
(A) Lysine	(P) 1-naphthol
(B) Furfural	(Q) Ninhydrin
(C) Benzyl alcohol	(R) KMnO$_4$
(D) Styrene	(S) Ceric ammonium nitrate

(A)→(Q); (B)→(P); (C)→(S); (D)→(R)✔️
(A)→(Q); (B)→(P); (C)→(R); (D)→(S)
(A)→(R); (B)→(P); (C)→(Q); (D)→(S)
(A)→(Q); (B)→(R); (C)→(S); (D)→(P)

Correct Answer Logic:

Matching logic:

Lysine is an amino acid — detected by ninhydrin (Q), which gives a purple colour with primary amines/amino acids.
Furfural is an aldehyde from furan — detected by 1-naphthol (P) via the Tollens-type or colour reaction specific to furfural.
Benzyl alcohol (PhCH$_2$OH) is a primary alcohol — detected by ceric ammonium nitrate (S), which gives a red colour with alcohols.
Styrene (Ph–CH=CH$_2$) has a C=C bond — oxidized by KMnO$_4$ (R), which gets decolourized.

Correct match: (A)→(Q), (B)→(P), (C)→(S), (D)→(R)

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Accounting & Finance QUESTION #6162

Question 1748

Which financial indicator is considered a 'cumulative' measure of management's success in adding value since the firm's inception?

Economic Value Added (EVA)
Net Income
Market Value Added (MVA)✔️
Return on Equity (ROE)

Correct Answer Logic:

According to Lesson 03, MVA is a cumulative measure of wealth added to equity capital since inception, whereas EVA is for a specific year.

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Physics QUESTION #1060

Question 1749

A body weighs 48 N on Earth surface. Gravitational force at height $h = R/3$ from surface is:

32 N
36 N
16 N
27 N✔️

Correct Answer Logic:

At height $h$: $g_h = \frac{GM}{(R+h)^2} = \frac{g}{(1+h/R)^2}$. $h=R/3\Rightarrow 1+h/R=4/3$. $g_h=\frac{g}{(4/3)^2}=\frac{9g}{16}$. Weight $=48\times\frac{9}{16}=27\ \text{N}$.

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Professional QUESTION #1824

Question 1750

Under Section 3(3) added by Act No. IX of 2016, when a civil servant of a devolved Ministry is transferred to a Province under the Eighteenth Amendment, on what terms and conditions does he become a provincial civil servant?

On terms and conditions as may be determined by the Provincial Government
On terms and conditions as may be prescribed by the Federal Government
On the same terms and conditions as were applicable to him before such transfer✔️
On terms and conditions to be negotiated between the Federal and Provincial Governments

Correct Answer Logic:

Section 3(3) specifically provides that when a civil servant of a devolved Ministry or Division working in an Attached Department or Subordinate Office situated in a Province is transferred to that Province, he shall become a civil servant of the respective Province on the same terms and conditions of service as were applicable to him before such transfer.

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Political Science QUESTION #6692

Question 1751

The concept of 'Rule of Law' was popularized by which British jurist?

John Locke
A.V. Dicey✔️
Jeremy Bentham
None of these

Correct Answer Logic:

Albert Venn Dicey is famous for his exposition of the Rule of Law in his work on the UK Constitution.

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Physics QUESTION #7847

Question 1752

Wavelength associated with freely falling body:

Decreases✔️
Increases two times
Remains constant
None

Correct Answer Logic:

As it falls, velocity increases ⇒ de Broglie wavelength λ = h/mv decreases.

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Planning QUESTION #4930

Question 1753

Which planning approach is most suitable for rapidly changing conditions?

Comprehensive Planning
Incremental Planning✔️
Utopian Planning
Blueprint Planning

Correct Answer Logic:

Incremental Planning (advocated by Charles Lindblom) is most suitable for rapidly changing conditions as it allows for flexible, step-by-step adjustments based on feedback and changing circumstances.

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Civil Procedure QUESTION #3690

Question 1754

A plaintiff files a complaint in federal court. 15 days after being served, the defendant files a motion to dismiss for failure to state a claim under Rule 12(b)(6). While this motion is pending, the plaintiff wants to amend the complaint to fix the defects. Does the plaintiff need leave of court?

Yes, once a Rule 12 motion is filed, the right to amend as a matter of course is lost.
No, a party may amend its pleading once as a matter of course within 21 days after service of a motion under Rule 12(b).✔️
Yes, unless the defendant stipulates to the amendment in writing.
No, a plaintiff has an absolute right to amend up until the trial begins.

Correct Answer Logic:

Rule 15(a)(1)(B) allows a party to amend its pleading once as a matter of course within 21 days after service of a responsive pleading or 21 days after service of a motion under Rule 12(b), (e), or (f), whichever is earlier.

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Chemistry QUESTION #460

Question 1755

__________ is colorless volatile liquid at room temperature.

HCl
HF✔️
HI
HBr

Correct Answer Logic:

HF is colorless volatile liquid at room temperature

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Dairy Food Science and Technology QUESTION #5885

Question 1756

Cheddar cheese ripening involves proteolysis primarily by which agents?

Only rennet residual in the curd
Residual chymosin, plasmin, and starter/non-starter bacterial proteases✔️
Whey protein denaturation products
Exogenous lipases added during pressing

Correct Answer Logic:

Cheddar ripening (proteolysis) involves: residual chymosin cleaving $\alpha_{s1}$-casein; plasmin (alkaline milk protease) acting on $\beta$-casein; starter LAB peptidases; and NSLAB. This produces peptides and free amino acids contributing to flavor and texture.

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Pakistan Affairs QUESTION #588

Question 1757

Jogendra Nath Mandal was:

First Foreign Minister of Pakistan
Present Minority Member of NA
Chief Justice of Lahore HC
None of These✔️

Correct Answer Logic:

He was Pakistan's first Law and Labour Minister and the first Chairman of the Constituent Assembly.

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Information Technology QUESTION #1132

Question 1758

What is a stack in the context of a microprocessor?

An 8-bit register
A 16-bit register
A set of memory locations in R/WM for temporary storage✔️
A 16-bit address in the program counter

Correct Answer Logic:

A stack is a reserved area in RAM (Read/Write Memory) used to store return addresses and register contents temporarily during subroutines or interrupts.

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