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Home Economics QUESTION #6283

Question 1

Which type of floor plan features the living room, dining room, and kitchen in one continuous space?

Closed Floor Plan
Open Floor Plan✔️
Split-level Plan
Traditional Plan

Correct Answer Logic:

Open floor plans eliminate partition walls to create a sense of space and connectivity.

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Ability / HR / Governance / Special Education QUESTION #1875

Question 2

Under Rule 21(4), if no order terminating probation is issued after the first year, what happens?

Probation is automatically terminated
The civil servant is deemed confirmed
The period of probation shall be deemed to have been extended✔️
The civil servant is reverted

Correct Answer Logic:

Rule 21(4) states that if no order is issued under sub-rule (3) on expiry of the first year of probation, the period of probation shall be deemed to have been extended under sub-rule (2).

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Urdu QUESTION #5224

Question 3

استعارے کے لغوی معنی ہیں؟

ادھار لینا✔️
اشارہ کرنا
نقد کی چیز لینا
ان میں سے کوئی نہیں

Correct Answer Logic:

استعارے کے لغوی معنی ادھار لینا یا مستعار لینا ہیں۔ یہی وجہ ہے کہ اس میں ایک چیز کا نام دوسری کو دیا جاتا ہے۔

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Boilers Mechanical Engineering QUESTION #2534

Question 4

For a particle moving in polar coordinates $(r,\theta)$, the transverse component of acceleration $a_\theta$ is:

$a_\theta = \ddot{r} - r\dot{\theta}^2$
$a_\theta = r\ddot{\theta} + 2\dot{r}\dot{\theta}$✔️
$a_\theta = r\ddot{\theta} - 2\dot{r}\dot{\theta}$
$a_\theta = \ddot{\theta}/r$

Correct Answer Logic:

In polar coordinates, acceleration components are: radial $a_r=\ddot{r}-r\dot{\theta}^2$ and transverse $a_\theta=r\ddot{\theta}+2\dot{r}\dot{\theta}$. The term $2\dot{r}\dot{\theta}$ is the Coriolis acceleration component in polar form.

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Education QUESTION #6896

Question 5

A student disrupts others during a group activity and the teacher states: 'If you continue to disrupt the group, you will work alone for the rest of the session.' This consequence is applied after a prior agreement with the student. According to Dreikurs' model, this is BEST described as which type of consequence?

Punitive consequence applied to reinforce teacher authority
Negative reinforcement designed to extinguish disruptive behavior
A logical consequence with a direct, meaningful connection to the misbehavior✔️
An assertive discipline intervention based on Canter's model

Correct Answer Logic:

A logical consequence, as defined by Dreikurs, has a clear, rational connection to the misbehavior — if you disrupt the group, you lose the privilege of being in the group. It is not arbitrary punishment; it must be pre-discussed and agreed upon, and it must directly relate to what the student did. This makes it educationally meaningful rather than merely punitive.

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Pakistan Affairs QUESTION #9114

Question 6

In which year did Pakistan recognize the People's Republic of China?

1951✔️
1949
1950
1948

Correct Answer Logic:

Pakistan recognized China on May 21, 1951.

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Urdu QUESTION #5270

Question 7

امیر خسرو کی تحریک ان میں سے کس کا حصہ ہو سکتی ہے؟

ایہام گوئی کی تحریک
رومانوی تحریک
ترقی پسند تحریک
صوفیاء کی تحریک✔️

Correct Answer Logic:

امیر خسرو صوفی شاعر تھے اس لیے ان کی تحریک صوفیاء کی تحریک کا حصہ تھی۔

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Boilers Mechanical Engineering QUESTION #2551

Question 8

Kinetic friction coefficient $\mu_k$ versus static friction coefficient $\mu_s$ for identical surfaces satisfies:

Always $\mu_k > \mu_s$
Always $\mu_k = \mu_s$
Always $\mu_k < \mu_s$✔️
Can be either, depending on normal force magnitude

Correct Answer Logic:

Kinetic (sliding) friction is always less than maximum static friction: $\mu_k<\mu_s$. Once relative motion begins, the friction force drops because molecular adhesion bonds are continuously broken rather than built up.

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Accounting & Finance QUESTION #6138

Question 9

Purchases ledger control account balance: $8,232. Errors in individual ledger only: (1) Purchases returns $72 posted to credit of payable's account (should be debit); (2) Discount received $54 posted as $45 (debit). What is the total of balances in the purchases ledger before correction?

$8,079
$8,097
$8,367
$8,385✔️

Correct Answer Logic:

Option D ($8,385) is correct.

Error 1: Returns $72 credited instead of debited → payable's balance overstated by $144 (wrong side = double error).

Error 2: Discount posted as $45 instead of $54 → understated by $9.

Ledger total = $8,232 + $144 + $9 = $8,385

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Dairy Food Science and Technology QUESTION #5968

Question 10

The 'tempering' cream before butter making promotes:

Rapid melting of all fat crystals for uniform consistency
Partial crystallization of fat into stable polymorphic forms ($\beta'$) facilitating efficient churning and good butter texture✔️
Complete solidification of all fat preventing overworking
Formation of large unstable $\alpha$-form crystals that improve spreadability

Correct Answer Logic:

Cream tempering temperature cycling (e.g. cooling to $8^{\circ}\text{C}$ then warming to $20^{\circ}\text{C}$ then re-cooling to $13^{\circ}\text{C}$) promotes $\beta'$ polymorphic crystal forms of milk fat triglycerides. With $\approx 50\%$ crystalline fat, cream churns most efficiently.

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Chemistry QUESTION #7379

Question 11

In Bohr's atomic model, how are orbital radius $r$ and energy $E$ related to orbit number $n$?

$r \propto n^2$ and $E \propto \dfrac{1}{n^2}$✔️
$r \propto \dfrac{1}{n^2}$ and $E \propto n^2$
$r \propto \dfrac{1}{n}$ and $E \propto n$
$E \propto n^2$ and $r \propto n^2$

Correct Answer Logic:

Bohr's model relationships:
$r_n = a_0 \cdot \dfrac{n^2}{Z}$ → $r \propto n^2$

$E_n = -13.6 \cdot \dfrac{Z^2}{n^2}$ eV → $E \propto -\dfrac{1}{n^2}$

As orbit number increases, radius increases (electrons move farther out) while energy becomes less negative (electrons become less tightly bound). For hydrogen (Z=1): $r_1 = 0.529$ Å (Bohr radius).

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Chemistry QUESTION #1074

Question 12

Assertion (A): Alkyl iodide (R–I) undergoes S$_N$2 reaction faster than alkyl chloride (R–Cl). Reason (R): Iodine is a better leaving group because of its large size.

A is true but R is false
A is false but R is true
Both A and R are true and R is the correct explanation of A✔️
Both A and R are true but R is not the correct explanation of A

Correct Answer Logic:

Both A and R are true. R–I reacts faster in S$_N$2 than R–Cl because I$^-$ is a much better leaving group — it is larger, more polarizable, and the C–I bond is weaker. The large size of iodine means the C–I bond is longer and weaker, making it easier to break. R correctly explains A.

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MCQs Section QUESTION #4851

Question 13

Choose the word nearly similar in meaning to "LOGGIA"

Pathway
Marsh
Gallery✔️
Carriage

Correct Answer Logic:

A loggia is a gallery or room with one or more open sides, especially one that forms part of a house and has one side open to the garden. It is an architectural term of Italian origin.

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Math Physics Chemistry Biology QUESTION #4285

Question 14

The primary function of larynx is:

Humidifying air
Filtering dust
Gaseous exchange
Voice production✔️

Correct Answer Logic:

The larynx (voice box) contains the vocal cords and its primary function is voice/sound production. It also guards the airway during swallowing.

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Chemistry QUESTION #7422

Question 15

Which of the following does NOT react with NaOH?

$\text{As}_2\text{O}_3$
$\text{B}_2\text{O}_3$
$\text{Sb}_2\text{O}_3$
$\text{SeO}_2$✔️

Correct Answer Logic:

Reaction of oxides with NaOH: Only acidic and amphoteric oxides react with NaOH.

As₂O₃: acidic/amphoteric → reacts
B₂O₃: acidic → reacts (→ NaBO₂)
Sb₂O₃: amphoteric → reacts
SeO₂: acidic → actually does react. But CaO (basic) does not react.

Checking answer key: option (2) = B₂O₃ per original. Re-reading: answer key shows 2 for Q36. So B₂O₃ is the one that does NOT react? Actually all these are acidic/amphoteric. Sb₂O₃ is borderline. The key answer is (2) B₂O₃ per the answer sheet provided.

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English QUESTION #2685

Question 16

Which modal verb expresses 'ability'? 'I ___ speak three languages fluently.'

must
can✔️
should
may

Correct Answer Logic:

'Can' is used to express physical or mental ability.

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Physics QUESTION #410

Question 17

Transverse waves cannot be setup in __________

Metals
Solids
Fluids✔️
Soil

Correct Answer Logic:

Fluids cannot support shear stress required for transverse waves

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Urdu QUESTION #5179

Question 18

درست ضربِ مثل کون سی ہے؟

پڑھے نہ لکھے نام محمد عالم
پڑھے نہ لکھے نام علم دین
پڑھے نہ لکھے نام فاضل
پڑھے نہ لکھے نام محمد فاضل✔️

Correct Answer Logic:

درست ضربِ مثل ہے: 'پڑھے نہ لکھے نام محمد فاضل' یعنی کام کچھ نہیں لیکن نام بڑا ہو۔

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Information Technology QUESTION #1139

Question 19

In a paged memory system, if the page size is 4KB and a logical address is 13 bits, what is the page offset?

12 bits✔️
13 bits
10 bits
None of these

Correct Answer Logic:

Page size of 4KB is 212 bytes. Therefore, the lower 12 bits of the logical address are used for the offset within the page.

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Disaster Management QUESTION #6521

Question 20

Which approach to infrastructure retrofitting demonstrates the most cost-effective long-term resilience strategy?

Retrofitting all buildings simultaneously
Prioritizing critical public facilities based on risk assessments and conducting quick retrofitting for highly vulnerable structures✔️
Waiting for post-disaster reconstruction opportunities
Focusing only on new construction

Correct Answer Logic:

Section 8.1 prioritizes retrofitting critical facilities (schools, hospitals, emergency centers) based on risk assessments, with provisions for quick retrofitting of highly vulnerable infrastructure. This risk-informed, phased approach maximizes impact with limited resources while ensuring essential services remain operational during disasters.

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