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The error is at (A). 'be' should be 'would be' because this is a conditional sentence (Type 2). Correct: 'This apartment would be perfect, if it were a little larger.'

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Statistics QUESTION #1971

Question 8

The range of values that the test statistic $t$ can take is:

0 to $\infty$
0 to 1
$-\infty$ to $+\infty$✔️
$-1$ to $+1$

Correct Answer Logic:

The t-statistic is unbounded and can take any real value from $-\infty$ to $+\infty$. It is not restricted to positive values or the interval $[0, 1]$.

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Geography QUESTION #1251

Question 9

'Spatial databases' are also known as:

Geodatabases✔️
Mono-databases
Concurrent databases
None of these

Correct Answer Logic:

Spatial databases (also called geodatabases) are databases optimized to store, query, and manipulate data that represents objects defined in geometric space — particularly geographic features. The term 'geodatabase' is widely used in GIS (especially in ESRI's ArcGIS platform) to describe a database of spatial/geographic data with both location and attribute information.

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Boilers Mechanical Engineering QUESTION #3986

Question 10

What is 'Water Hammer' in a steam line?

A tool used to fix pipes
A loud noise and vibration caused by steam hitting condensate water✔️
A type of pressure gauge
A method of cleaning tubes

Correct Answer Logic:

Rapidly moving steam can propel slugs of water against fittings, potentially causing pipe rupture.

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City and Regional Planning QUESTION #5008

Question 11

In water supply planning, what is the recommended per capita water demand for residential areas in developing countries?

50-80 liters/day
100-150 liters/day✔️
200-250 liters/day
300-350 liters/day

Correct Answer Logic:

WHO and planning standards recommend 100-150 liters per capita per day (lpcd) for developing countries, covering drinking, cooking, bathing, and sanitation. Developed countries typically use 200-350 lpcd due to lifestyle differences and water-intensive appliances.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3584

Question 12

In which classification are drugs arranged according to their therapeutic uses?

Alphabetical
Morphological
Pharmacological✔️
Chemical

Correct Answer Logic:

Pharmacological classification groups drugs by their effects on the body (e.g., purgatives, cardiotonics).

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Biology QUESTION #4234

Question 13

Which of the following is a potential symptom of chronic renal failure?

Nephritis and bacterial infection
Bone pain and fractures✔️
Impaired concentration and confusion
Muscle cramps due to electrolyte imbalance

Correct Answer Logic:

Chronic renal failure causes bone disease.

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Security Measures to Maintain Law and Order QUESTION #946

Question 14

What is the role of 'K9 Units' (Security Dogs) in airport order?

To entertain children
Detecting explosives or narcotics✔️
Guiding blind passengers
Patrolling the parking lot only

Correct Answer Logic:

Specially trained dogs are highly effective at detecting substances that electronic sensors might miss.

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Mechanical Engineering QUESTION #2428

Question 15

The parameter $m$ (fin parameter) for an extended surface (fin) with perimeter $P$, cross-sectional area $A_c$, convection coefficient $h$, and conductivity $k$ is:

$m = \sqrt{hP/(kA_c)}$✔️
$m = hP \cdot kA_c$
$m = \sqrt{kA_c/(hP)}$
$m = h/(kP A_c)$

Correct Answer Logic:

The fin parameter $m=\sqrt{hP/(kA_c)}$ (m⁻¹) governs the exponential temperature decay along the fin.

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Others section QUESTION #4686

Question 16

Which team won the gold medal in Hockey at the 1988 Seoul Olympics?

Australia
West Germany
Great Britain✔️
Pakistan

Correct Answer Logic:

Great Britain (England) won the gold medal in field hockey at the 1988 Seoul Olympics, defeating West Germany in the final.

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Professional QUESTION #1864

Question 17

Under Rule 12, what type of experience is prescribed for initial appointment unless otherwise specified?

Pre-qualification experience
Total work experience
Post-qualification experience✔️
Government service experience only

Correct Answer Logic:

The proviso to Rule 12 states that unless otherwise specified, the experience prescribed for initial appointment shall be the post-qualification experience.

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Architecture QUESTION #2366

Question 18

In the context of Green Building design, the Overall Thermal Transfer Value (OTTV) is a metric used to evaluate:

The amount of heat generated by building occupants and equipment per unit floor area
The total heat gain through the building envelope (walls, roofs, and fenestration) per unit area of the building facade, used to set energy performance benchmarks✔️
The coefficient of performance (COP) of the HVAC system
The total solar radiation incident on the building roof per year

Correct Answer Logic:

OTTV (Overall Thermal Transfer Value, in W/m²) is an energy code metric used in tropical and subtropical regions (including ECBC in Pakistan/India) that quantifies the total heat gain through the building envelope per unit external wall area. It accounts for conduction through opaque walls, solar radiation through windows (WWR, SHGC), and conductive heat through glazing. A lower OTTV indicates a more thermally efficient building envelope.

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Biology QUESTION #4187

Question 19

Which of the following is common between aldosterone, sex hormone and cortisone?

They are peptides
They are Phospholipids
They are steroids✔️
They are glycoproteins

Correct Answer Logic:

Aldosterone, sex hormones, and cortisone are all steroid hormones.

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Biology Zoology Botany QUESTION #1384

Question 20

Which group of organisms is known for having chloroplasts in every cell?

Fungi
Algae✔️
Bryophytes
Lichens

Correct Answer Logic:

Algae contain chloroplasts in every photosynthetic cell of their thallus. Algal chloroplasts come in diverse shapes (cup-shaped, ribbon-like, stellate) and contain photosynthetic pigments. Fungi have no chloroplasts at all (they are heterotrophs). Bryophytes have chloroplasts in their green cells but not every cell (e.g., rhizoids lack them). Lichens are fungal-algal symbioses.

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