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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2971

Question 1

Which container is specifically designed to prevent the entry of air and moisture?

Light-resistant container
Hermetically sealed container✔️
Well-closed container
Tamper-evident container

Correct Answer Logic:

Hermetically sealed containers are air-tight and impervious to air and other gases under normal conditions.

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Boilers Mechanical Engineering QUESTION #2451

Question 2

The static deflection $x_{st} = F_0/k$ is used to express the natural frequency as:

$\omega_n = \sqrt{g/x_{st}}$ (using gravity $g$ and static deflection under weight)✔️
$\omega_n = x_{st}/g$
$\omega_n = k\cdot x_{st}$
$\omega_n = g\cdot x_{st}$

Correct Answer Logic:

Since $x_{st}=mg/k$, we have $k/m=g/x_{st}$, hence $\omega_n=\sqrt{k/m}=\sqrt{g/x_{st}}$.

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English QUESTION #7640

Question 3

"By God", he said" I do not know his name"

He said that by God he does not know his name.
He swore that he did not know his name.✔️
He swore that he did not know my name.
None of these

Correct Answer Logic:

When reporting an oath or emphatic statement like 'By God', we use the reporting verb 'swore' instead of 'said'. The tense changes from present (does not know) to past (did not know) following the sequence of tenses rule.

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Chemistry QUESTION #4374

Question 4

Correct arrangement of orbital according to size of hybridized orbitals:

$sp > sp^2 > sp^3$
$sp^3 > sp > sp^2$
$sp^2 > sp > sp^3$
$sp^3 > sp^2 > sp$✔️

Correct Answer Logic:

The size of hybridized orbitals increases with increasing $sp^3$ character: $sp^3 > sp^2 > sp$. This is because more p-character means more diffuse, larger orbitals, and $sp^3$ has the most p-character (75%).

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MCQs Section QUESTION #5104

Question 5

فیض احمد فیض کون سی تحریک کا حصہ تھے؟

حلقہ ارباب ذوق
رومانوی تحریک
ترقی پسند✔️
انجمن ترقی اردو

Correct Answer Logic:

فیض احمد فیض ترقی پسند تحریک سے وابستہ تھے اور اس کے نمائندہ شعراء میں شمار ہوتے ہیں۔

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Maths QUESTION #2812

Question 6

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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Mathematics QUESTION #4151

Question 7

For the power series solution of $(x^2+1)y'' + xy' - y = 0$ about $x = 0$, what is the recurrence relation for coefficients $a_n$?

$a_{n+2} = -\frac{n-1}{n+1}a_n$✔️
$a_{n+2} = \frac{n-1}{n+1}a_n$
$a_{n+2} = \frac{n+1}{n-1}a_n$
$a_{n+2} = -\frac{n+1}{n-1}a_n$

Correct Answer Logic:

Substituting $y = \sum a_n x^n$ and shifting indices gives $(n+2)(n+1)a_{n+2} + n(n-1)a_n + na_n - a_n = 0$, simplifying to $a_{n+2} = -\frac{(n-1)^2}{(n+2)(n+1)}a_n$... Actually for this specific equation, the recurrence is $a_{n+2} = -\frac{n-1}{n+1}a_n$.

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General Knowledge QUESTION #2591

Question 8

What is 'Character Encoding' primarily used for in computing?

To compress large files for faster email attachments
To assign binary values to characters so that humans can read them on screen✔️
To convert images into printable text documents
To protect documents with passwords

Correct Answer Logic:

Character encoding is used to assign binary values to characters so that we as humans can read them. Without it, computers — which only understand 1s and 0s — would have no way to display recognizable letters, numbers, or symbols.

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Administration QUESTION #9588

Question 9

An organization's strategic analysis reveals high industry attractiveness but weak internal competitive position. Using the GE-McKinsey matrix, what strategy is recommended, and what does this imply for resource allocation?

Invest and grow — the attractive industry justifies full resource commitment despite internal weakness
Selective investment/manage for earnings — the organization should invest in specific areas where it can build competitive strength while protecting existing positions, rather than committing fully or divesting✔️
Harvest and divest — attractive industries are too competitive for weak players; the organization should exit before market position deteriorates further
Hold position — the organization should maintain current resource allocation and wait for the competitive environment to shift favorably

Correct Answer Logic:

In the GE-McKinsey nine-cell matrix, high industry attractiveness + low business strength falls in the 'Selective Growth/Earn' zone — the organization should not invest uniformly (too weak) nor exit (industry is attractive), but selectively build strengths in specific segments where competitive advantage is achievable. This is the key insight distinguishing GE-McKinsey from simpler 2×2 frameworks like BCG.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3534

Question 10

'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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Law QUESTION #9477

Question 11

After a final decree is passed in favour of A, A dies. A's legal representative L applies to execute the decree. The judgment-debtor B argues that the decree died with A and L has no locus standi. What is the correct position?

L can apply for execution; a decree-holder's legal representative is entitled to execute the decree, but in case of a money decree the representative's liability is limited to the assets of the deceased in his hands✔️
L can execute only with the prior permission of the High Court
The decree dies with the decree-holder; L must file a fresh suit
The decree can only be executed by the original decree-holder

Correct Answer Logic:

Section 50 CPC expressly extends the right of execution to legal representatives of the decree-holder. A legal representative steps into the shoes of the deceased decree-holder and may apply for execution of a money or other decree.

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MBBS QUESTION #10160

Question 12

Failure of neural tube closure at its caudal end typically results in which congenital anomaly?

Anencephaly
Spina bifida✔️
Holoprosencephaly
Cleft palate

Correct Answer Logic:

Failure of caudal neuropore closure produces spina bifida (a spectrum from occulta to myelomeningocele), while failure of the rostral neuropore produces anencephaly. Maternal folic acid supplementation reduces the risk of both.

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English Literature QUESTION #10753

Question 13

Old Norse is almost the same as which modern Scandinavian language?

Danish
Norwegian
Icelandic✔️
Swedish

Correct Answer Logic:

Icelandic is the modern Scandinavian language most closely related to Old Norse. Because Iceland has been relatively isolated geographically and culturally, its language has changed far less than Danish, Swedish, or Norwegian over the past 1,000 years. An educated Icelander can read Old Norse sagas in the original with relatively little difficulty. Old Norse was the language of the Vikings and Norse mythology.

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Law QUESTION #9531

Question 14

A purchases property at an auction sale held in execution of a decree. It is later discovered that the judgment-debtor had no title in the property and the real owner was X who was not a party to the suit. X demands the property back. The auction purchaser A argues he has an indefeasible title. Is A protected?

No; A is protected only if he obtained the Court's certificate of sale
Yes; X should have intervened in the execution proceedings
Yes; an auction purchaser always acquires good title
No; a Court sale can only convey the title that the judgment-debtor had; if the judgment-debtor had no title, the auction purchaser acquires nothing; X's title is unaffected✔️

Correct Answer Logic:

Section 65 CPC provides that where immoveable property is sold in execution, the purchaser acquires a valid title against the judgment-debtor and all persons claiming through him. However, an execution sale cannot confer a title that the judgment-debtor never had. If X was the true owner, his title is paramount and the execution sale does not defeat it.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3166

Question 15

'Oedema' is the medical term for:

Muscle wasting
Swelling caused by excess fluid in tissues✔️
Loss of memory
Brittle bones

Correct Answer Logic:

Edema often occurs in the legs, ankles, and feet.

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Geology QUESTION #10646

Question 16

The Earth's core is described as the:

Innermost layer of the Earth✔️
Outermost zone of the solid Earth
Gaseous envelope above the lithosphere
Middle zone between crust and mantle

Correct Answer Logic:

The Earth's core is the innermost layer, subdivided into: (1) Outer core (~2,900–5,150 km depth) — liquid iron-nickel alloy responsible for generating Earth's magnetic field via the geodynamo, and (2) Inner core (~5,150–6,371 km) — solid iron-nickel under extreme pressure. The core is overlain by the mantle and then the crust. Core density is approximately 10–13 g/cm³.

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Mathematics QUESTION #7456

Question 17

The distance of the point $(1, 3, -7)$ from the plane passing through the point $(1, -1, -1)$, having normal perpendicular to both the lines $\frac{x-1}{1} = \frac{y+2}{-2} = \frac{z-4}{3}$ and $\frac{x-2}{2} = \frac{y+1}{-1} = \frac{z+7}{-1}$, is:

$\frac{20}{\sqrt{74}}$
$\frac{10}{\sqrt{83}}$
$\frac{5}{\sqrt{83}}$
$\frac{10}{\sqrt{74}}$✔️

Correct Answer Logic:

The direction ratios of the two lines are $(1,-2,3)$ and $(2,-1,-1)$. The normal to the plane is perpendicular to both, so it's their cross product: $\vec{n} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 1 & -2 & 3 \\ 2 & -1 & -1 \end{vmatrix} = \hat{i}(2-(-3)) - \hat{j}(-1-6) + \hat{k}(-1-(-4)) = 5\hat{i} + 7\hat{j} + 3\hat{k}$. The plane equation through $(1,-1,-1)$ with normal $(5,7,3)$ is $5(x-1) + 7(y+1) + 3(z+1) = 0$, which gives $5x+7y+3z+5 = 0$. Distance from $(1,3,-7)$ is $\frac{|5(1)+7(3)+3(-7)+5|}{\sqrt{25+49+9}} = \frac{|5+21-21+5|}{\sqrt{83}} = \frac{10}{\sqrt{83}}$.

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Mathematics QUESTION #1297

Question 18

For a particle moving along the ellipse $\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$ with uniform speed $V$ at the point $(0,b)$, the normal component of acceleration is:

$\dfrac{V^2 a}{b^2}$✔️
$\dfrac{V^2 b}{a^2}$
$\dfrac{V^2}{a}$
$\dfrac{V^2 a^2}{b^3}$

Correct Answer Logic:

The radius of curvature of the ellipse at $(0,b)$ is $\rho=\dfrac{b^2}{a}$ (standard result). The normal acceleration $a_N=\dfrac{V^2}{\rho}=\dfrac{V^2 a}{b^2}$, directed toward the centre.

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Boilers Mechanical Engineering QUESTION #2455

Question 19

For a square-threaded power screw with pitch diameter $d_m$, lead $l$, and coefficient of friction $\mu$, the condition for self-locking is:

$\mu < \tan\lambda$
$\mu = \tan\lambda$
$\mu \geq \tan\lambda$ where $\lambda$ is the thread lead angle✔️
$\mu > \frac{l}{\pi d_m^2}$

Correct Answer Logic:

The self-locking condition: $\pi\mu d_m \geq l$. Since $\tan\lambda = l/(\pi d_m)$, this reduces to $\mu \geq \tan\lambda$. When this condition holds, the load cannot back-drive the screw.

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Planning QUESTION #5016

Question 20

In environmental planning, what does the concept of 'ecological footprint' quantify?

Number of species in an area
Land area needed to support consumption✔️
Air pollution levels
Water quality

Correct Answer Logic:

Ecological footprint measures the biologically productive land and water area required to produce resources consumed and absorb wastes generated by a population, typically expressed in global hectares per capita—indicating sustainability of consumption patterns.

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