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Math Physics Chemistry Biology QUESTION #11233

In a cell, the smooth endoplasmic reticulum (SER) is primarily involved in:

Protein synthesis
Lipid synthesis and detoxification✔️
ATP production
Photosynthesis

Correct Answer Logic:

The SER lacks ribosomes and is primarily involved in lipid synthesis, steroid hormone production, and detoxification of drugs and poisons. Protein synthesis occurs on the RER.

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Therapeutics and Patient Care QUESTION #3903

Question 8522

What is the standard initial daily starting dose for venlafaxine when initiating treatment for depression or anxiety?

$37.5$ mg daily
$150$ mg daily
$75$ mg daily✔️
$300$ mg daily

Correct Answer Logic:

Venlafaxine is typically initiated at $75$ mg per day ($37.5$ mg twice daily or $75$ mg XR once daily) and titrated as needed up to a maximum of $375$ mg/day.

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Pakistan Affairs QUESTION #157

Question 8523

What did Jinnah's Fourteen Points state regarding the future constitution of India?

The constitution should be unitary
The constitution should be federal, with residuary powers in provinces✔️
It should grant complete independence to provinces
It should establish a centralized government

Correct Answer Logic:

Jinnah insisted on a federal system to protect Muslim-majority provincial interests.

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FIA Act QUESTION #9957

Question 8524

Under Section 3, who has the power to constitute the FIA?

Provincial Government
Federal Government✔️
Supreme Court
National Assembly alone

Correct Answer Logic:

The Federal Government may constitute the Agency under Section 3.

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Urdu QUESTION #1402

Question 8525

تلمیح کے لفظ کے کیا معنی ہیں؟

بلانا
بات کرنا
اشارہ کرنا✔️
کہانی سنانا

Correct Answer Logic:

تلمیح عربی لفظ ہے جس کے لغوی معنی ''اشارہ کرنا'' یا ''لمح بصر میں دیکھنا'' ہیں۔ یہ ایک بلاغی صنعت ہے جس میں شاعر یا ادیب کسی مشہور تاریخی، مذہبی، یا اساطیری واقعے کی طرف مختصر اشارہ کرتا ہے۔ قاری کو اس اشارے کی پس منظر سے واقفیت ضروری ہوتی ہے۔

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General Knowledge QUESTION #11459

Question 8526

Integrated Circuits (ICs) are categorised primarily based on the:

Manufacturing company
Type of computer
Number of transistors✔️
None of these

Correct Answer Logic:

ICs are classified by the number of transistors they contain: SSI (1–10), MSI (10–100), LSI (100–1,000), VLSI (1,000–10 million), and ULSI (10+ million). Modern processors contain billions of transistors, enabling tremendous computing power in tiny chips.

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Math (Module-1) QUESTION #5475

Question 8527

A right triangle has sides of length $2\sqrt{2}, 6\sqrt{2}$, and $\sqrt{80}$ units. What is the area of the triangle, in square units?

$\sqrt{82} + \sqrt{80}$
12✔️
$24\sqrt{80}$
24

Correct Answer Logic:

Legs are $2\sqrt{2}$ and $6\sqrt{2}$ because $(2\sqrt{2})^2 + (6\sqrt{2})^2 = 8 + 72 = 80 = (\sqrt{80})^2$. Area $= \frac{1}{2} \times 2\sqrt{2} \times 6\sqrt{2} = 12$.

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Math Physics Chemistry Biology QUESTION #4242

Question 8528

Atrial walls are thinner as compared to ventricles because:

Atria are small in size
Atria are present above the ventricles
Atria have to force blood above the ventricles which lie very close to them✔️
Blood enters into the atria by osmosis

Correct Answer Logic:

Atria pump blood short distance to ventricles.

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Pakistan Affairs QUESTION #9085

Question 8529

SECP (Securities and Exchange Commission of Pakistan) is the regulatory authority of:

Stock market✔️
NGOs
Media business
Import and export

Correct Answer Logic:

SECP regulates the capital markets in Pakistan.

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The Constitution of Pakistan QUESTION #9345

Question 8530

Under Article 189, decisions of the Federal Constitutional Court on questions of law are binding on which courts?

Only High Courts and courts subordinate to them
All other courts in Pakistan, including the Supreme Court✔️
The Supreme Court and all courts below it
Only courts subordinate to the Federal Constitutional Court

Correct Answer Logic:

Article 189(1) (as substituted by the 27th Amendment 2025) states that decisions of the Federal Constitutional Court on questions of law 'shall be binding on all other courts in Pakistan including the Supreme Court.' This reflects the FCC's superior position on constitutional questions post-2025.

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Islamic Studies QUESTION #329

Question 8531

"Do not raise your voice above the voice of the Prophet (ﷺ)." This order is in:

Al-Ahzab
Al-Maidah
Al-Hujurat✔️
Al-Najm

Correct Answer Logic:

This etiquette is commanded in the opening verses of Surah Al-Hujurat.

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MCQs Section QUESTION #4865

Question 8532

Choose the correct antonym of "FRUGAL"

Prodigal
Intemperate
Extravagant✔️
Profuse

Correct Answer Logic:

Frugal means sparing or economical with money and resources. Its antonym is 'extravagant,' meaning spending much more than is necessary or lacking restraint in spending.

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Math Physics Chemistry Biology QUESTION #11405

Question 8533

Which type of enzyme would be most active in your gut after eating bread?

Amylase✔️
Protease
Lipase
Nuclease

Correct Answer Logic:

Amylase is the primary enzyme for digesting bread (starch). Salivary amylase begins starch digestion in the mouth; pancreatic amylase continues it in the small intestine, breaking starch into maltose and dextrins. Bread is primarily carbohydrate (starch), so amylase is the most relevant enzyme after consumption.

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Math Physics Chemistry Biology QUESTION #4263

Question 8534

Which of the following muscle types are involuntary in action?

Skeletal and smooth
Skeletal and cardiac
Cardiac and smooth✔️
Smooth muscle only

Correct Answer Logic:

Cardiac muscle (heart) and smooth muscle (visceral organs) are both involuntary — they function without conscious control, unlike skeletal muscle.

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Professional QUESTION #1831

Question 8535

Under Section 9(3), promotion to posts in basic pay scales 20 and 21 and equivalent shall be made on the recommendations of a Selection Board. Who heads this Selection Board?

The Federal Secretary of the relevant Ministry
The Chief Secretary of the concerned Province
The Chairman, Federal Public Service Commission✔️
The Principal Accounting Officer of the Ministry

Correct Answer Logic:

Section 9(3) added by Ordinance No. XLIII of 2000 specifies that promotion to posts in BPS-20 and 21 and equivalent shall be made on the recommendations of a Selection Board which shall be headed by the Chairman, Federal Public Service Commission — not a Ministry or Division official.

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Electronics Engineering QUESTION #11713

Question 8536

The skin depth $\delta$ in copper at $1\,\text{GHz}$, given conductivity $\sigma = 5.8 \times 10^7\,\text{S/m}$ and $\mu_0 = 4\pi \times 10^{-7}\,\text{H/m}$, is approximately:

$66\,\mu\text{m}$
$2.1\,\mu\text{m}$✔️
$0.066\,\mu\text{m}$
$210\,\text{nm}$

Correct Answer Logic:

$\delta = \sqrt{\dfrac{2}{\omega\mu\sigma}} = \sqrt{\dfrac{2}{2\pi \times 10^9 \times 4\pi\times10^{-7} \times 5.8\times10^7}} \approx \sqrt{\dfrac{2}{4.58\times10^{11}}} \approx \sqrt{4.37\times10^{-12}} \approx \mathbf{2.09\,\mu\text{m}}$. At GHz frequencies, current is confined to a very thin surface layer, making plating quality and surface finish critical for RF conductor loss.

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Agronomy QUESTION #2026

Question 8537

Irrigation water use efficiency (WUE) is formally defined as:

The ratio of water stored in the root zone to total water applied
The ratio of economic crop yield to the total amount of water consumed by evapotranspiration
$\dfrac{\text{Crop yield (kg/ha)}}{\text{Water applied (mm or m}^3\text{)}}$ expressed as kg per mm or kg per $m^3$✔️
The ratio of water infiltrated to water applied at the field inlet

Correct Answer Logic:

Water use efficiency (WUE) = $\dfrac{\text{Yield (kg/ha)}}{\text{Water applied or consumed (mm)}}$. It measures how efficiently water is converted into economic yield. Maximizing WUE is critical in water-scarce environments and forms the basis of deficit irrigation strategies.

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Planning QUESTION #4915

Question 8538

Which planning theory emphasizes the role of planners as facilitators rather than decision-makers?

Rational Comprehensive Planning
Incremental Planning
Advocacy Planning
Communicative Planning✔️

Correct Answer Logic:

Communicative Planning (also known as Collaborative Planning) emphasizes planners as facilitators who help stakeholders communicate and reach consensus, rather than making top-down decisions.

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Boilers Mechanical Engineering QUESTION #2512

Question 8539

The curvature $1/\rho$ of a beam's neutral axis under bending moment $M$ is:

$\frac{1}{\rho} = \frac{EI}{M}$
$\frac{1}{\rho} = \frac{M}{EI}$✔️
$\frac{1}{\rho} = \frac{E}{MI}$
$\frac{1}{\rho} = \frac{MI}{E}$

Correct Answer Logic:

From the bending stress derivation: $1/\rho = M/(EI)$. The product $EI$ is called the flexural rigidity and resists bending curvature.

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Physics QUESTION #7302

Question 8540

A person throws balls vertically upward one after another at intervals of 2 s, all with the same speed. For more than two balls to be in the air simultaneously, the throwing speed must be:

More than 19.6 m/s✔️
At least 9.8 m/s
Less than 19.6 m/s
Exactly 19.6 m/s

Correct Answer Logic:

Time of flight for one ball $= \dfrac{2u}{g}$.

For more than 2 balls in the air, a third ball is thrown before the first lands, so time of flight $> 4\text{ s}$ (two intervals of 2 s each):

$\dfrac{2u}{g} > 4 \Rightarrow u > 2g = 2 \times 9.8 = 19.6\text{ m/s}$

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