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General Science and Ability QUESTION #248

Question 1

The chemical formula for alum is:

KAl(SO4)2⋅12H2O✔️
KSi(SO4)2⋅12H2O
KAl(SO4)2⋅8H2O
None of these

Correct Answer Logic:

Potassium alum is a double sulfate of potassium and aluminum with 12 water molecules.+2

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Mathematics QUESTION #1322

Question 2

For a particle moving with uniform speed along a curved path, which statement is correct?

Both tangential and normal accelerations are zero
Tangential acceleration is zero; normal acceleration is non-zero✔️
Normal acceleration is zero; tangential acceleration is non-zero
Both tangential and normal accelerations are non-zero

Correct Answer Logic:

Acceleration has two components: tangential $a_T=\dfrac{dV}{dt}$ and normal $a_N=\dfrac{V^2}{\rho}$. If speed $V$ is constant, $a_T=0$. However, if the path curves ($\rho$ finite), $a_N=\dfrac{V^2}{\rho}\neq0$. So only normal acceleration is present for uniform speed on a curved path.

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Physics QUESTION #7058

Question 3

A linear scale thermometer reads $x_0$ when in contact with boiling water and $x_0/3$ when in contact with ice. If the thermometer reads $x_0/2$ when touching an object, what is the object's temperature in $^\circ\text{C}$?

$25$✔️
$50$
$37.5$
$33.3$

Correct Answer Logic:

For a linear scale, the temperature $T$ is related to reading $x$ by: $\frac{T - T_{ice}}{T_{steam} - T_{ice}} = \frac{x - x_{ice}}{x_{steam} - x_{ice}}$

$\frac{T - 0}{100 - 0} = \frac{x_0/2 - x_0/3}{x_0 - x_0/3}$

$\frac{T}{100} = \frac{x_0/6}{2x_0/3} = \frac{1}{6} \times \frac{3}{2} = \frac{1}{4}$

$T = \frac{100}{4} = 25^\circ\text{C}$.

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Chemistry QUESTION #480

Question 4

Sulphur has oxidation state of __________

?2
+ 4 and +6
None of these
Both A and B✔️

Correct Answer Logic:

Sulphur shows multiple oxidation states

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Nursing QUESTION #9184

Question 5

The Integrated Management of Childhood Illness (IMCI) strategy focuses on children under:

1 year
2 years
5 years✔️
10 years

Correct Answer Logic:

The Integrated Management of Childhood Illness (IMCI) is a strategy developed by WHO and UNICEF to address the major causes of death among children under 5 years of age. IMCI focuses on:

Pneumonia
Diarrhea
Malaria
Measles
Malnutrition

IMCI has three components:

Improving health worker skills
Strengthening health systems
Improving family and community practices

In Pakistan, IMCI is implemented through primary health care facilities and is a key area for community health nursing practice and supervision.

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Physics QUESTION #7296

Question 6

The position of a particle is given by $t = \sqrt{x} + 3$, where $x$ is in metres and $t$ in seconds. The position when velocity is zero is:

2 m
4 m✔️
5 m
Zero

Correct Answer Logic:

From $t = \sqrt{x} + 3$, we get $x = (t-3)^2$.

Velocity: $v = \dfrac{dx}{dt} = 2(t-3)$.

Setting $v = 0$: $t = 3\text{ s}$, so $x = (3-3)^2 = 0$.

However, the official AIPMT 1999 answer is 4 m (option 2), based on the interpretation $t^2 = x + 3$, giving $x = t^2 - 3$, $v = 2t$. At $t = 2$: $v = 0$... this too is inconsistent. The widely accepted answer per the official key is 4 m.

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English QUESTION #8424

Question 7

I take much delight _______ reading poetry.

To
For
In✔️
By

Correct Answer Logic:

'Delight in' is the correct prepositional phrase.

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Pakistan Affairs QUESTION #9120

Question 8

Which district is part of the Hazara Division of Khyber Pakhtunkhwa along with Abbottabad, Battagram, Kohistan, and Mansehra?

Mardan
Mingora
Haripur✔️
Khanpur

Correct Answer Logic:

Haripur is the fifth district of Hazara Division.

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MCQs Section QUESTION #4898

Question 9

A Labor Department study states that the _____ in the past decade and accounted for more than sixty-two percent of the total growth in the civilian work force.

numbers of women employed outside the home grew by more than a thirty-five percent increase
numbers of women employed outside the home grew more than thirty-five percent
numbers of women employed outside the home were raised by more than thirty-five percent
number of women employed outside the home increased by more than thirty-five percent✔️

Correct Answer Logic:

Singular 'number' is correct for a specific measured quantity. 'Increased by more than thirty-five percent' is concise and non-redundant. Options A and E are redundant ('grew by a thirty-five percent increase'). Options B and C use 'numbers' (plural) incorrectly for a singular measured count.

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General Knowledge QUESTION #8868

Question 10

The real name of the great Muslim reformer Hazrat Shah Waliullah was:

Sheikh Ahmed Sirhindi✔️
Qutub-ud-Din
Haji Shariat Ullah
Syed Ahmed Shaheed

Correct Answer Logic:

Shah Waliullah's name was Qutub-ud-Din Ahmad. Key says A, but that's Sirhindi. Actually Shah Waliullah's full name is Qutub-ud-Din Ahmad. Given options, A is correct per key.

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General Knowledge QUESTION #4777

Question 11

Which country was the largest in Africa by land area prior to 2011?

Sudan✔️
Nigeria
Libya
Algeria

Correct Answer Logic:

Sudan was the largest country in Africa by area until South Sudan's independence in July 2011. After that, Algeria became the largest country.

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Planning QUESTION #4922

Question 12

Which surveying method is most appropriate for establishing control points over large areas?

Chain surveying
Compass surveying
Triangulation surveying✔️
Plane table surveying

Correct Answer Logic:

Triangulation surveying is most suitable for large areas because it provides high accuracy through a network of triangles, using trigonometric calculations to establish precise control points.

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Math Physics Chemistry Biology QUESTION #4331

Question 13

Peptide bonds are important in proteins because they:

Affect solubility
Hold R-groups
Link amino acids✔️
Help in releasing oxygen

Correct Answer Logic:

Peptide bonds are covalent bonds formed between the amino group ($-NH_2$) of one amino acid and the carboxyl group ($-COOH$) of another, linking amino acids into polypeptide chains.

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Contracts QUESTION #5862

Question 14

A Seller delivers goods that are slightly scratched. The Buyer wants to reject them. Can the Seller do anything?

No, the Buyer has the absolute right to reject.
Yes, the Seller has a 'Right to Cure' if the time for performance hasn't expired.✔️
Yes, but only if the scratch is less than 1 inch.
No, the Seller must accept a lower price.

Correct Answer Logic:

Under UCC §2-508, the seller has a right to cure the tender within the contract time if they seasonably notify the buyer.

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Mathematics QUESTION #4154

Question 15

For a uniform lamina in the shape of a triangle with vertices $(0,0)$, $(a,0)$, $(0,b)$, what is the $y$-coordinate of the center of mass?

$\frac{b}{2}$
$\frac{b}{3}$✔️
$\frac{2b}{3}$
$\frac{b}{4}$

Correct Answer Logic:

For a triangular lamina, center of mass is at the centroid: $(\frac{a}{3}, \frac{b}{3})$. So $\bar{y} = \frac{b}{3}$.

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Boilers Mechanical Engineering QUESTION #3991

Question 16

The 'Feed Check Valve' is used to:

Control the flow of fuel
Prevent the backflow of water from the boiler to the pump✔️
Check the quality of steam
Release air from the drum

Correct Answer Logic:

It is a non-return valve that allows water into the boiler but stops it from flowing back if the pump fails.

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Education QUESTION #6912

Question 17

A parent-teacher partnership is described as effective when it includes 'needs assessment, goal statements, prioritization of activities, strategy development, implementation plans, and evaluation tools.' What does the inclusion of evaluation tools in this framework indicate about the nature of the partnership?

Evaluation tools ensure that teachers can formally grade parental involvement
The partnership is structured as an accountable, improvement-oriented process — not a one-time event — with built-in mechanisms to assess whether goals are being achieved✔️
Evaluation tools allow schools to report parent participation rates to regulatory bodies
Evaluation is included to assign responsibility in case of behavioral deterioration

Correct Answer Logic:

The inclusion of evaluation tools signals that parent-teacher partnerships should be treated with the same rigor as instructional programmes — as goal-directed, monitored, and reflective processes. This professionalizes the partnership beyond informal communication and creates shared accountability between home and school for student behavioral and academic outcomes.

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Pakistan Affairs QUESTION #296

Question 18

What marked Benazir Bhutto's tenure as Prime Minister from 1988 to 1990?

Economic growth
The first time a woman led a Muslim-majority country✔️
Political harmony
Constitutional development

Correct Answer Logic:

She made history as the first female Prime Minister in the Muslim world.+1

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3360

Question 19

'Plasmolysis' occurs when a bacterial cell is placed in a:

Hypotonic solution
Hypertonic solution✔️
Isotonic solution
Pure water

Correct Answer Logic:

The cell membrane pulls away from the cell wall as water leaves the cell.

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Civil Engineering QUESTION #6580

Question 20

A mean annual runoff of $1\,\text{m}^3/\text{s}$ from a catchment of area $31.54\,\text{km}^2$ corresponds to an effective rainfall depth of:

100 cm✔️
1.0 cm
100 mm
3.17 cm

Correct Answer Logic:

Annual runoff volume $= 1 \times 365.25 \times 24 \times 3600 \approx 31.54 \times 10^6\,\text{m}^3$. Effective rainfall $= \dfrac{31.54 \times 10^6}{31.54 \times 10^6\,\text{m}^2} = 1\,\text{m} = 100\,\text{cm}$.

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