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Urdu QUESTION #5296

Question 641

نرم تہ گام کی ترکیب کا مفہوم کیا ہے؟

مبارک قدم
مخصوص قدم
تیز قدم
سست قدم✔️

Correct Answer Logic:

نرم تہ گام کا مطلب ہے آہستہ قدم یعنی سست روی سے چلنا (متن میں آپشن 3 سست قدم ہے)۔

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General Science and Ability QUESTION #254

Question 642

The pH of soil is raised using:

Lime stone✔️
Gypsum
Urea
None of these

Correct Answer Logic:

Limestone (calcium carbonate) is alkaline and is used to neutralize acidic soil.

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Disaster Management QUESTION #6534

Question 643

In the context of Pakistan's disaster landscape, what makes GLOFs particularly challenging compared to other flood hazards?

They occur in populated areas
They combine remote occurrence locations, rapid onset, limited monitoring infrastructure, and high destructive potential✔️
They affect larger areas
They happen more frequently

Correct Answer Logic:

Section 5.5 identifies GLOFs as climate-driven hazards requiring specific focus. Their challenges include remote mountain locations, rapid onset leaving little warning time, limited monitoring infrastructure in northern areas, and potentially catastrophic downstream impacts, requiring specialized early warning and community preparedness.

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Education QUESTION #6745

Question 644

In guided inductive inquiry, students PRIMARILY:

Receive information passively
Examine specific examples to develop generalizations and principles✔️
Memorize predetermined conclusions
Work without teacher guidance

Correct Answer Logic:

Inductive inquiry moves from specific observations to general principles. Students examine particular examples, identify patterns, and construct generalizations—actively building understanding rather than receiving conclusions. 'Guided' means teacher structures experience while students construct knowledge.

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Physics QUESTION #1037

Question 645

A uniform rod of mass 20 kg and length 5 m leans against a smooth wall at $60°$. Friction force from the floor is (Take $g=10\ \text{m/s}^2$):

200 N
$200\sqrt{3}\ \text{N}$
100 N✔️
$100\sqrt{3}\ \text{N}$

Correct Answer Logic:

Taking torques about the contact point on the floor. The angle with the wall is $60°$, so angle with floor is $30°$. Normal from wall (horizontal) $\times L\sin30° = mg\times\frac{L}{2}\cos30°$. Wait — using torque about foot: $N_w\cdot L\sin30° = mg\cdot\frac{L}{2}\cos30°\Rightarrow N_w = \frac{mg\cos30°}{2\sin30°} = \frac{20\times10\times\frac{\sqrt{3}}{2}}{2\times\frac{1}{2}}=100\sqrt{3}$. Friction $= N_w = 100\sqrt{3}\approx173\ \text{N}$. Answer: $100\sqrt{3}\ \text{N}$.

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Pakistan Affairs QUESTION #321

Question 646

The boundary demarcation agreement between Pakistan and China was signed in:

1961
1962
1963✔️
1964

Correct Answer Logic:

The Sino-Pakistan Boundary Agreement was signed on March 2, 1963.+1

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General Abilities QUESTION #7963

Question 647

If 15 men can manufacture 27 baskets in an hour, how many baskets would 45 men manufacture in 40 minutes?

27
35
40
54✔️

Correct Answer Logic:

In 1 hour, 15 men make 27 baskets.
In 40 min $\left(\dfrac{2}{3}$ hr$\right)$, 15 men make $27 \times \dfrac{2}{3} = 18$ baskets.
45 men (3× more): $18 \times 3 = 54$ baskets.

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Civil Engineering QUESTION #6598

Question 648

In a one-way slab system, the structural load transfer occurs primarily in the:

Short direction✔️
Long direction
Either short or long direction
Both short and long directions equally

Correct Answer Logic:

A one-way slab is designed so that bending and load transfer occur predominantly in the short direction (spanning direction), where $L_{long}/L_{short} \geq 2$. The short-span strips carry essentially all the load.

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Planning QUESTION #4952

Question 649

In housing design, what is the recommended minimum room height for habitable spaces?

2.1 meters
2.4 meters
2.7 meters✔️
3.0 meters

Correct Answer Logic:

Building codes typically require minimum 2.7 meters (approximately 9 feet) ceiling height for habitable rooms to ensure adequate ventilation, light distribution, and comfortable living conditions.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3326

Question 650

The enzyme 'Carbonic Anhydrase' is crucial in microbiology for:

Staining bacteria
Metabolism and $CO_2$ transport✔️
Sterilization
Building cell walls

Correct Answer Logic:

It catalyzes the reversible reaction between $CO_2$ and water.

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Civil Procedure QUESTION #3710

Question 651

A defendant is sued in State X. The defendant believes State Y is a much more convenient forum. The defendant moves to dismiss the case under the doctrine of 'forum non conveniens.' When should the court grant this motion?

Whenever the defendant can show that State Y is slightly more convenient.
Only if State X is a completely improper venue under Rule 12(b)(3).
When an alternative forum is available and the balance of private and public interests strongly favors dismissal.✔️
Never, if the plaintiff is a resident of State X.

Correct Answer Logic:

Forum non conveniens is a discretionary power that allows a court to dismiss a case when an alternative forum is significantly more appropriate, taking into account the interests of the litigants and the public.

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Egnlish QUESTION #710

Question 652

In "The Lotus Eater" by Somerset Maugham, the setting of the island represents:

Adventure
Hard work
Apathy and oblivion✔️
Success

Correct Answer Logic:

Like the Odyssey, the island lure represents a life of ease that leads to the loss of ambition and eventual decay.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3667

Question 653

'Cod Liver Oil' is a rich source of which vitamins?

B and C
A and D✔️
E and K
None

Correct Answer Logic:

It is used to prevent rickets and improve immunity.

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General Abilities QUESTION #3962

Question 654

Determine the angle in degrees that the hour hand of a clock traverses over a period of $2$ hours and $12$ minutes.

$66^{\circ}$✔️
$72^{\circ}$
$73.2^{\circ}$
$72.3^{\circ}$

Correct Answer Logic:

No explanation provided for this question.

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Pharmacokinetics and Pharmacodynamics QUESTION #3838

Question 655

Why is lignocaine (lidocaine) not suitable for oral systemic administration?

It is not absorbed from the gastrointestinal tract
It undergoes significant first-pass metabolism in the liver✔️
It is decomposed by gastric acid
It binds to mucoproteins in the intestine

Correct Answer Logic:

Lignocaine is well absorbed from the GI tract but undergoes very high first-pass hepatic metabolism ($>70\%$), reducing oral bioavailability to clinically ineffective levels.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3527

Question 656

If a pharmacist finds that a sample of 'Digitalis' leaves has $20\%$ moisture, why is this a problem?

Moisture promotes enzyme activity and microbial growth, leading to drug deterioration✔️
Moisture makes the drug too heavy
Moisture turns the drug into a liquid
There is no problem

Correct Answer Logic:

Crude drugs must be dried to prevent chemical breakdown and spoilage.

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Chemistry QUESTION #4342

Question 657

Number of unpaired electrons in Boron ($B$) in ground state is/are:

1✔️
2
3
4

Correct Answer Logic:

Boron has atomic number 5. Its electronic configuration is $1s^2\ 2s^2\ 2p^1$. The single electron in the $2p$ orbital is unpaired, so there is $\mathbf{1}$ unpaired electron.

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Chemistry QUESTION #5553

Question 658

According to Molecular Orbital Theory, which statement correctly describes $Li_2^+$ and $Li_2^-$?

$Li_2^+$ is unstable and $Li_2^-$ is stable
$Li_2^+$ is stable and $Li_2^-$ is unstable
Both are stable✔️
Both are unstable

Correct Answer Logic:

$Li_2^+$ bond order = $\frac{1}{2}(3-2) = 0.5 > 0$ → stable. $Li_2^-$ bond order = $\frac{1}{2}(4-3) = 0.5 > 0$ → stable. Both species have positive bond orders and can exist as stable (though weakly bonded) species.

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Mathematics QUESTION #1305

Question 659

The Trapezoidal Rule for $n$ equally spaced points with step size $h$ is:

$\dfrac{h}{2}(y_0+2y_1+\cdots+2y_{n-1}+y_n)$✔️
$\dfrac{h}{3}(y_0+4y_1+2y_2+\cdots+y_n)$
$h(y_0+y_1+\cdots+y_n)$
$\dfrac{h}{2}(y_0+y_n)$

Correct Answer Logic:

The Trapezoidal Rule approximates $\int_a^b f(x)\,dx\approx\dfrac{h}{2}[f(x_0)+2f(x_1)+2f(x_2)+\cdots+2f(x_{n-1})+f(x_n)]$. This gives the first and last function values weight 1 and all interior values weight 2.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3620

Question 660

'Ginger' (Adrak) belongs to the family:

Umbelliferae
Zingiberaceae✔️
Liliaceae
Solanaceae

Correct Answer Logic:

Zingiberaceae includes ginger, cardamom, and turmeric.

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