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Library Sciences QUESTION #1503

Which classification system uses a purely faceted approach with the PMEST formula, developed by S.R. Ranganathan?

Dewey Decimal Classification
Library of Congress Classification
Colon Classification✔️
Universal Decimal Classification

Correct Answer Logic:

The Colon Classification (CC), developed by S.R. Ranganathan, is the most prominent example of a purely faceted classification system. It analyzes subjects into fundamental categories: Personality, Matter, Energy, Space, and Time (PMEST).

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Urdu QUESTION #5143

Question 6642

درست تلفظ کا انتخاب کریں؟

اسلام و علیکم
اسلام علیکم
سلام علیکم
ان میں سے کوئی نہیں✔️

Correct Answer Logic:

درست تلفظ 'السلام علیکم' ہے۔ آداب و سلامتی کے ان الفاظ کا صحیح ادا کرنا ضروری ہے۔

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The Elections Act 2017 QUESTION #9427

Question 6643

The Elections Act 2017 Section 57(2)(a) sets the last date for making nominations under the Election Programme. This date shall be the sixth day after publication of the notification, or — if that day is a public holiday — the:

Preceding business day
Next succeeding day which is not a public holiday✔️
Day following that public holiday regardless of it also being a holiday
Seventh day after notification

Correct Answer Logic:

Section 57(2)(a) states: 'the last date for making nominations, which shall be the sixth day after the date of publication of the notification or, if that day is a public holiday, the next succeeding day which is not a public holiday.'

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Islamic Studies QUESTION #7932

Question 6644

The Zaboor was revealed on:

Hazrat Musa
Hazrat Isa
Hazrat Dawood✔️
Hazrat Muhammad (S.A.W)

Correct Answer Logic:

Zaboor (Psalms) was revealed to Hazrat Daud (David) AS. It is one of the four major revealed books in Islam (along with Torah, Gospel, and Quran). The Zaboor contained hymns and prayers praising Allah. Hazrat Daud (AS) was blessed with a beautiful voice and would recite Zaboor, causing birds and mountains to glorify Allah with him.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3244

Question 6645

The 'Filtration Membrane' in the kidney prevents the passage of:

Water
Glucose
Blood cells and large proteins✔️
Sodium ions

Correct Answer Logic:

Healthy kidneys do not allow cells or albumin to enter the urine.

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Education QUESTION #6789

Question 6646

In criterion-referenced interpretation, a teacher states: 'Students who scored below 70% on this test lack mastery of two-digit multiplication.' Which guideline for CRT interpretation is MOST critical to verify before making this statement?

Whether the test was administered under standardized conditions
Whether the achievement domain is sufficiently homogeneous, delimited, and clearly specified to support specific performance descriptions✔️
Whether the test correlated with a nationally normed achievement battery
Whether students with scores above 70% show identical performance on every item

Correct Answer Logic:

Criterion-referenced interpretation guidelines require that the achievement domain be homogeneous, clearly specified, and delimited before making specific mastery/non-mastery statements. If the domain is poorly defined or includes a mixture of heterogeneous skills, claiming that a score below 70% indicates lack of mastery of a specific skill is not supportable. Ambiguous domains produce ambiguous interpretation.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3223

Question 6647

'Referred Pain' is the phenomenon where:

Pain is only felt in the brain
Pain from a visceral organ is felt in a somatic area (like skin)✔️
Pain disappears quickly
Pain is imagined

Correct Answer Logic:

For example, heart pain is often felt in the left arm or jaw.

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Math Physics Chemistry Biology QUESTION #4212

Question 6648

Additional capillaries present in the juxtamedullary nephrons to form a loop of vessels are:

Efferent arterioles
Peritubular capillaries
Vasa recta✔️
Afferent arterioles

Correct Answer Logic:

Vasa recta are looped capillaries in juxtamedullary nephrons.

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Math Physics Chemistry Biology QUESTION #799

Question 6649

The maximum volume of $\text{O}_2$ is at:

HTP
STP✔️
$127°\text{C},\ 1\ \text{atm}$
None

Correct Answer Logic:

At STP (Standard Temperature and Pressure: $0°\text{C},\ 1\ \text{atm}$), gases occupy maximum volume as temperature is lower, keeping more molecules in gaseous phase.

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English QUESTION #8556

Question 6650

What do you call a person who is capable of dealing with many subjects?

Genius
Intellectual
Versatile✔️
Vulnerable

Correct Answer Logic:

Versatile means able to adapt to many different functions or subjects.

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Pakistan Affairs QUESTION #9042

Question 6651

When did Pakistan become a member of the United Nations?

1948✔️
1947
1950
1951

Correct Answer Logic:

Pakistan joined the UN on September 30, 1947 (key says 1948? Actually 1947. Option A says 1948 — Key says A.)

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Information Technology QUESTION #1131

Question 6652

Which phase of compiler is responsible for abstract syntax tree (AST) generation?

Syntax analysis✔️
Semantic analysis
Lexical analysis
None of these

Correct Answer Logic:

The Syntax Analysis phase (parsing) takes tokens from lexical analysis and generates a hierarchical structure, typically an AST.

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Islamic Studies QUESTION #8214

Question 6653

The age of Hazrat Usman (RA) at the time of his martyrdom was:

80✔️
78
76
74

Correct Answer Logic:

Hazrat Usman ibn Affan (RA) was approximately 82 years old (close to 80) when he was martyred on 18 Dhul Hijjah 35 AH (656 CE). He was born in 576 CE in Makkah and was among the earliest converts to Islam. He served as the third Caliph for 12 years (644-656 CE). During his martyrdom, he was reciting the Quran when rebels attacked him, and his blood fell on the verse: 'Allah will suffice you against them.'

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3054

Question 6654

The abbreviation 'q.s.' means:

Questionable
As much as is sufficient✔️
Quantity specified
Quickly solve

Correct Answer Logic:

'Quantum sufficiat' (q.s.) means as much as is sufficient.

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General Abilities QUESTION #4561

Question 6655

A number increased by $25\%$ becomes $50$. What was the original number?

$37.5$
$40$✔️
$62.5$
$75$

Correct Answer Logic:

If $x(1 + 0.25) = 50$, then $1.25x = 50$, so $x = \frac{50}{1.25} = 40$

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Boilers Mechanical Engineering QUESTION #2543

Question 6656

A body rests on an inclined plane at angle $\theta$. The body is on the verge of slipping. This condition defines:

$\tan\theta = \mu_k$
$\sin\theta = \mu_s$
$\tan\theta = \mu_s$✔️
$\cos\theta = \mu_s$

Correct Answer Logic:

At impending slip on an incline, resolving forces: $F=W\sin\theta$ and $N=W\cos\theta$. At limiting friction: $F=\mu_s N$, giving $W\sin\theta=\mu_s W\cos\theta$, hence $\tan\theta=\mu_s$.

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Chemistry QUESTION #7827

Question 6657

The forward reaction in a chemical equation:

Is very slow at start
Reacts to form reactants
Speeds up gradually and becomes constant at equilibrium
Takes place from left to right✔️

Correct Answer Logic:

Forward reaction proceeds left→right; at equilibrium, forward rate = backward rate, not zero.

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Civil / Architecture QUESTION #2349

Question 6658

The U-value (thermal transmittance) of a composite building element with individual layer thermal resistances $R_1, R_2, R_3$ plus internal surface resistance $R_{si}$ and external surface resistance $R_{se}$ is:

$U = R_{si} + R_1 + R_2 + R_3 + R_{se}$
$U = \dfrac{1}{R_{si} + R_1 + R_2 + R_3 + R_{se}}$✔️
$U = \dfrac{1}{R_1 + R_2 + R_3}$
$U = \dfrac{\lambda_1 + \lambda_2 + \lambda_3}{d_1 + d_2 + d_3}$

Correct Answer Logic:

U-value (W/m²·K) = $\dfrac{1}{R_T}$ where total thermal resistance $R_T = R_{si} + \sum_{i}R_i + R_{se}$. Each layer's resistance is $R_i = d_i/\lambda_i$ (thickness/conductivity). Surface resistances $R_{si} = 0.13\,\text{m}^2\text{K/W}$ and $R_{se} = 0.04\,\text{m}^2\text{K/W}$ per ISO 6946 must be included for the overall U-value.

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Mathematics QUESTION #7457

Question 6659

If $L_1$ is the line of intersection of the planes $2x - 2y + 3z - 2 = 0$, $x - y + z + 1 = 0$ and $L_2$ is the line of intersection of the planes $x + 2y - z - 3 = 0$, $3x - y + 2z - 1 = 0$, then the distance of the origin from the plane containing the lines $L_1$ and $L_2$, is:

$\frac{1}{2\sqrt{2}}$✔️
$\frac{1}{\sqrt{2}}$
$\frac{1}{4\sqrt{2}}$
$\frac{1}{3\sqrt{2}}$

Correct Answer Logic:

First find direction vectors of $L_1$ and $L_2$. For $L_1$, cross product of normals $(2,-2,3)$ and $(1,-1,1)$ gives $\vec{d_1} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 2 & -2 & 3 \\ 1 & -1 & 1 \end{vmatrix} = \hat{i}(-2+3) - \hat{j}(2-3) + \hat{k}(-2+2) = \hat{i} + \hat{j}$, or $(1,1,0)$. For $L_2$, cross product of $(1,2,-1)$ and $(3,-1,2)$ gives $\vec{d_2} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 1 & 2 & -1 \\ 3 & -1 & 2 \end{vmatrix} = \hat{i}(4-1) - \hat{j}(2+3) + \hat{k}(-1-6) = 3\hat{i} - 5\hat{j} - 7\hat{k}$, or $(3,-5,-7)$. Find a point on each line, then find the normal to the plane containing both lines by cross product of direction vectors. This is a lengthy calculation. The distance formula gives $\frac{1}{2\sqrt{2}}$.

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General Knowledge QUESTION #8647

Question 6660

Which city is known as the 'City of Mosques'?

Lahore
Madina
Baghdad
Dhaka✔️

Correct Answer Logic:

Dhaka, Bangladesh is historically known as the 'City of Mosques'.

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