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MBBS QUESTION #10189

A neonate presents with respiratory distress and a scaphoid abdomen; imaging shows abdominal viscera within the thoracic cavity. This congenital diaphragmatic hernia most commonly occurs through which defect?

Foramen of Bochdalek (posterolateral defect)✔️
Foramen of Morgagni (anterior defect)
The esophageal hiatus
A defect in the central tendon

Correct Answer Logic:

The foramen of Bochdalek, a posterolateral defect resulting from failure of the pleuroperitoneal membrane to fuse properly (more often on the left), accounts for the vast majority of congenital diaphragmatic hernias, allowing abdominal viscera to herniate into the thorax and compress the developing lung.

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Maths QUESTION #4537

Question 2

If $x \geq 5$, which is true?

$x > 5$ only
$x = 5$ only
$x = 5$ or $x > 5$✔️
$x < 5$

Correct Answer Logic:

The symbol $\geq$ means 'greater than or equal to', so $x$ can be $5$ or any value greater than $5$

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Math Physics Chemistry Biology QUESTION #4279

Question 3

Hippocampus plays an important role in the:

Formation of short-term memory
Formation of image on retina
Formation of long-term memory✔️
Formation of emotions

Correct Answer Logic:

The hippocampus, located in the limbic system, is crucial for consolidating short-term memory into long-term memory and spatial navigation.

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Mathematics QUESTION #4150

Question 4

What is the general solution of $y'' - 3y' + 2y = 0$?

$y = c_1e^x + c_2e^{2x}$✔️
$y = c_1e^{-x} + c_2e^{-2x}$
$y = c_1\cos(x) + c_2\sin(x)$
$y = e^x(c_1 + c_2x)$

Correct Answer Logic:

Characteristic: $r^2 - 3r + 2 = 0 \Rightarrow (r-1)(r-2) = 0 \Rightarrow r = 1, 2$. General solution: $y = c_1e^x + c_2e^{2x}$.

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Physics and Math QUESTION #783

Question 5

If $ax^2 + 2hxy + by^2 = 0$, their lines are orthogonal when:

$a + b = 0$✔️
$a - b = 0$
$a = b$
None

Correct Answer Logic:

For the pair of lines $ax^2 + 2hxy + by^2 = 0$ to be perpendicular, the sum of coefficients of $x^2$ and $y^2$ must be zero: $a + b = 0$.

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HR and Management QUESTION #6458

Question 6

When organizations ask HR managers for assistance in 'matching the distinctive competencies of the firm's human resources to the mission of the organization,' this represents:

Operational HR management
Strategic HR management✔️
Tactical HR planning
Administrative HR compliance

Correct Answer Logic:

This represents strategic HR management - aligning human resources (their distinctive competencies) with organizational strategy (mission). It moves HR from purely operational/administrative functions to strategic business partner role.

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Verbal Reasoning QUESTION #8117

Question 7

In the figure, the areas of the two shaded regions of the circle are equal.

Compare:

Column A: The area of unshaded region $A$ of the circle

Column B: The area of unshaded region $B$ of the circle

Column A is greater
Column B is greater
The two quantities are equal✔️
The relationship cannot be determined from the information given

Correct Answer Logic:

The two chords divide the circle into four regions. Let the two shaded regions have equal area $S$ each, so total shaded area $= 2S$.

Total circle area $= 2S + \text{(unshaded A)} + \text{(unshaded B)}$.

By the symmetry of the two intersecting chords and the equal shaded areas, the two unshaded regions must also be equal to each other. Therefore the area of unshaded region $A$ equals the area of unshaded region $B$, and the two quantities are equal.

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Disaster Management QUESTION #6522

Question 8

A provincial government allocates disaster funds but experiences poor utilization. What institutional mechanism would most effectively address this?

Increasing the budget allocation
Establishing performance-based financing linked to DRR outcomes with technical assistance for fund utilization✔️
Centralizing all disaster spending
Reducing bureaucratic oversight

Correct Answer Logic:

Sections 4.2 and 9.4 emphasize capacity building for fund utilization alongside performance-based allocation. Simply increasing funds without addressing technical capacity, planning skills, and accountability mechanisms will perpetuate underutilization.

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Mathematics QUESTION #7439

Question 9

Let A and B be two sets containing four and two elements respectively. Then the number of subsets of the set A × B, each having at least three elements, is:

219✔️
256
275
510

Correct Answer Logic:

The set $A \times B$ has $4 \times 2 = 8$ elements. Total number of subsets is $2^8 = 256$. Subsets with 0 elements: $\binom{8}{0} = 1$. Subsets with 1 element: $\binom{8}{1} = 8$. Subsets with 2 elements: $\binom{8}{2} = 28$. Subsets with at least 3 elements = $256 - 1 - 8 - 28 = 219$.

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General Ability and Fire Fighting QUESTION #5589

Question 10

What is the minimum concentration of oxygen typically required to sustain a flame?

10%
12%
16%✔️
21%

Correct Answer Logic:

Oxygen must be present at a concentration of at least 16% to sustain a flame. Normal atmospheric oxygen is about 21%.

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General Ability and Fire Fighting QUESTION #5594

Question 11

Which class of fire involves ordinary combustibles such as wood paper and cloth?

Class B
Class C
Class A✔️
Class K

Correct Answer Logic:

Class A fires involve ordinary combustibles like wood paper and cloth. They are best extinguished using water or dry chemical agents.

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Law QUESTION #9701

Question 12

Article 129 allows the Court to presume that a man in possession of stolen goods soon after theft is the thief or a receiver of stolen goods, UNLESS:

He is of good character
He can account for his possession✔️
He denies it under oath
He produces an alibi

Correct Answer Logic:

Article 129 Illustration (a) states the Court may presume the possessor is the thief or receiver 'unless he can account for his possession.'

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English QUESTION #8552

Question 13

We _______ waiting here for two hours.

have been✔️
has been
are
were

Correct Answer Logic:

'Have been waiting' is present perfect continuous.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3049

Question 14

What is the correction for 'Eutectic Mixtures' in powders?

Adding an adsorbent like magnesium carbonate✔️
Adding water
Heating the mixture
Sifting

Correct Answer Logic:

Adsorbents prevent the liquefied mixture from turning the whole powder damp.

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Home Economics QUESTION #6242

Question 15

The process of interlacing two sets of yarns at right angles to form a fabric is called:

Knitting
Felting
Weaving✔️
Braiding

Correct Answer Logic:

Weaving involves the warp and weft yarns crossing each other perpendicularly.

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Chemistry QUESTION #475

Question 16

The crystals of __________ are ionic solids.

Sugar
Iron
Diamond
NaCl✔️

Correct Answer Logic:

NaCl forms ionic crystals

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Boilers Mechanical Engineering QUESTION #2451

Question 17

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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Boilers Mechanical Engineering QUESTION #3993

Question 18

According to the Ordinance, a 'Boiler' is defined as a closed vessel exceeding a capacity of:

$10~liters$
$22.7~liters$ (or $5~gallons$)✔️
$100~liters$
$500~liters$

Correct Answer Logic:

Smaller vessels are typically excluded from the stringent inspection requirements of the Boiler Ordinance.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5739

Question 19

Regarding 'Family Planning', which method is noted for providing protection against Sexually Transmitted Infections (STIs)?

Birth control pill
Male condom✔️
IUD
Contraceptive injection

Correct Answer Logic:

The male condom is the only one listed that reduces the risk of many STIs.

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The Elections Act 2017 QUESTION #9423

Question 20

Under Section 50(1), the Commission appoints District Returning Officers. If it utilizes judicial officers, this requires consultation with:

The President of Pakistan
The Commission's own legal committee
The Chief Justice of the concerned High Court✔️
The Federal Law Ministry

Correct Answer Logic:

Section 50(1)(c) and Section 5(3) proviso specify that where serving judicial officers are to be utilized, the Commission must do so 'in consultation with the Chief Justice of the High Court concerned'.

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