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General Science and Ability QUESTION #197

Question 1

Which of the following is used as a stabilizer in ice cream?

Sugar
Milk
Gelatin✔️
None of these

Correct Answer Logic:

Gelatin or gums are used to prevent the formation of large ice crystals.

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General Abilities QUESTION #2808

Question 2

What is the value of $(-3)^4 - (-2)^3$?

73
89✔️
81
89

Correct Answer Logic:

$(-3)^4 = 81$ (positive, since even exponent) and $(-2)^3 = -8$ (negative, since odd exponent). So $81 - (-8) = 81 + 8 = 89$.

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Disaster Management QUESTION #6514

Question 3

A district experiences recurring urban flooding despite adequate drainage infrastructure. Which combination of interventions would most effectively address the root causes?

Increasing drainage capacity and building flood walls
Implementing risk-sensitive zoning, sustainable urban drainage systems, and nature-based solutions✔️
Relocating vulnerable populations to higher ground
Establishing emergency response teams only

Correct Answer Logic:

Section 8.3 emphasizes risk-sensitive urban planning, sustainable drainage systems, and green infrastructure. This addresses root causes rather than symptoms, combining structural measures with ecosystem-based approaches and proper land-use planning.

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Chemistry QUESTION #7120

Question 4

Which of the following ores is characterized by the presence of both iron ($Fe$) and copper ($Cu$)?

Copper pyrites✔️
Malachite
Dolomite
Azurite

Correct Answer Logic:

Copper pyrites, also known as Chalcopyrite, has the chemical formula $CuFeS_2$. This composition clearly shows it contains both copper and iron. Malachite and Azurite are copper carbonates, while Dolomite is a magnesium-calcium carbonate.

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General Ability and Fire Fighting QUESTION #5610

Question 5

What does the chemical chain reaction in the Fire Tetrahedron represent?

The process of releasing water vapor
The self-sustaining molecular breakdown that provides energy to keep the fire burning✔️
The reaction between CO2 and fuel
The oxidation of metals

Correct Answer Logic:

The chemical chain reaction is the self-sustaining process where molecular breakdown produces the energy necessary to continue combustion. Breaking this chain can extinguish a fire.

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Home Economics QUESTION #6260

Question 6

The process of heating milk to a specific temperature to kill pathogenic bacteria is called:

Homogenization
Fermentation
Pasteurization✔️
Sterilization

Correct Answer Logic:

Pasteurization uses mild heat to eliminate pathogens and extend shelf life.

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Education QUESTION #7566

Question 7

Which domain of educational objectives is NOT being properly evaluated through our present system of examination?

Psycho motor
Classroom
Affective✔️
Cognitive

Correct Answer Logic:

The affective domain, which includes attitudes, values, emotions, and feelings, is often neglected in traditional examination systems that focus primarily on cognitive outcomes.

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HR and Management QUESTION #6471

Question 8

The 'road map' of the HRM course covering 42 modules suggests:

Random collection of HR topics
Systematic, comprehensive coverage from foundations to advanced topics✔️
Focus only on practical skills
Emphasis on legal compliance

Correct Answer Logic:

The 42-module road map progresses systematically from introductory concepts (management basics, organization components) through core functions (planning, recruitment, selection, training, performance, compensation) to advanced topics (international HRM, leadership, conclusion) - providing comprehensive coverage.

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Planning QUESTION #5002

Question 9

In housing affordability analysis, if median household income is $40,000 and median house price is $200,000, what is the price-to-income ratio?

2.0
3.0
5.0✔️
8.0

Correct Answer Logic:

Price-to-Income Ratio = $\frac{\text{Median House Price}}{\text{Median Annual Household Income}} = \frac{200,000}{40,000} = 5.0$. Ratios above 3-4 indicate affordability problems; ratios above 5 suggest severe affordability crisis requiring policy intervention.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3314

Question 10

The 'Minimum Inhibitory Concentration' (MIC) is defined as the:

Lowest dose of a drug that kills the patient
Lowest concentration of an antibiotic that prevents visible growth of a microbe✔️
Maximum dose allowed
Concentration of bacteria in a sample

Correct Answer Logic:

MIC is a key measure of the potency of an antimicrobial agent.

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Quantitative Reasoning QUESTION #8022

Question 11

Choose the word that is most nearly opposite in meaning to VENERATION

derision✔️
blame
avoidance
ostracism

Correct Answer Logic:

VENERATION means great respect or reverence. The opposite would be disrespect or contempt. Derision is correct: derision means contemptuous ridicule or mockery, which is the opposite of veneration (deep respect).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3387

Question 12

'Hemoglobin' is an example of a protein with a:

Primary structure only
Secondary structure only
Tertiary structure only
Quaternary structure✔️

Correct Answer Logic:

It consists of four polypeptide subunits ($2\alpha$ and $2\beta$).

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Physics QUESTION #7027

Question 13

A point particle with mass $m$ and velocity $v_0$ undergoes a collision with a stationary particle of the same mass. Following the impact, the total kinetic energy of the system is observed to be $50\%$ greater than the initial kinetic energy. Determine the magnitude of the relative velocity between the two particles after the collision.

$\frac{v_{0}}{2}$
$\frac{v_{0}}{\sqrt{2}}$
$\frac{v_{0}}{4}$
$\sqrt{2}v_{0}$✔️

Correct Answer Logic:

Initial $KE = \frac{1}{2}mv_0^2$. Final $KE = 1.5 \times (\frac{1}{2}mv_0^2)$. Let final velocities be $v_1$ and $v_2$. By conservation of momentum, $mv_0 = m(v_1 + v_2)$, so $v_0 = v_1 + v_2$. The relative velocity is $|v_2 - v_1|$. Using the relation $2(v_1^2 + v_2^2) = (v_1 + v_2)^2 + (v_1 - v_2)^2$ and substituting energy and momentum values, we find the relative velocity is $\sqrt{2}v_0$.

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General Ability and Fire Fighting QUESTION #5598

Question 14

What is the best extinguishing agent for a Class K fire?

Water
CO2
Wet Chemical✔️
Dry Powder

Correct Answer Logic:

Class K fires involve cooking oils and fats. Wet chemical agents are specifically designed to extinguish these high-temperature grease fires safely.

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Physics QUESTION #7102

Question 15

Using speed ($V$), acceleration ($A$), and force ($F$) as fundamental units, what is the dimension of Young's modulus? [cite: 476]

$V^{-2}A^{2}F^{-2}$
$V^{-2}A^{2}F^{2}$
$V^{-4}A^{-2}F$
$V^{-4}A^{2}F$✔️

Correct Answer Logic:

Young's modulus has the same dimensions as pressure: $[M L^{-1} T^{-2}]$.

$[F] = [M L T^{-2}]$
$[V] = [L T^{-1}]$
$[A] = [L T^{-2}]$
By solving $Y = F^a V^b A^c$, we find $a=1, b=-4, c=2$[cite: 480].

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Pakistan Affairs QUESTION #132

Question 16

A Free Trade Agreement between Pakistan and China was signed on:

24-Oct-06
24-Nov-06✔️
24-Dec-06
24-Jan-07

Correct Answer Logic:

The CPFTA (China-Pakistan Free Trade Agreement) was signed on November 24, 2006.

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Professional QUESTION #1827

Question 17

Under Section 7(5), confirmation of a civil servant in a service or post takes effect from which date?

The date of issuance of the confirmation notification
The date of joining the post
The date of occurrence of permanent vacancy or the date of continuous officiation, whichever is LATER✔️
The date of recommendation by the selection authority

Correct Answer Logic:

Section 7(5) specifies that confirmation shall take effect from the date of occurrence of a permanent vacancy in the service or post, or from the date of continuous officiation in such service or post, whichever is later. Both conditions are considered, and the later date governs.

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English QUESTION #2801

Question 18

Complete the ANALOGY: 'Flower : Bouquet :: Fish : ___'

Water
Aquarium
School✔️
Ocean

Correct Answer Logic:

This is a 'part : collection/group' analogy. A bouquet is a collection of flowers; a 'school' is the word for a group/collection of fish. This tests knowledge of collective nouns.

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