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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3288

Question 10361

'HEPA' filters are used in pharmacy clean rooms to remove particles from:

Water
Air✔️
Oil
Glassware

Correct Answer Logic:

High-Efficiency Particulate Air (HEPA) filters remove $99.97\%$ of particles $\ge 0.3~\mu\text{m}$.

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Maths QUESTION #2846

Question 10362

A can complete a work in 12 days and B in 18 days. How many days will they take working together?

6 days
7.2 days✔️
8 days
9 days

Correct Answer Logic:

A's one day work $= \dfrac{1}{12}$, B's one day work $= \dfrac{1}{18}$. Together: $\dfrac{1}{12} + \dfrac{1}{18} = \dfrac{3+2}{36} = \dfrac{5}{36}$. Days taken $= \dfrac{36}{5} = 7.2$ days.

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General Knowledge QUESTION #11541

Question 10363

Stealing someone's personal details to illegitimately pose as them is known as:

Spooling
Identity Theft✔️
Spoofing
Hacking

Correct Answer Logic:

Identity theft is stealing another person's personal information (name, ID numbers, bank details, passwords) to fraudulently assume their identity, typically for financial gain. It is one of the fastest-growing cybercrimes. Prevention includes strong passwords, two-factor authentication, and monitoring credit reports.

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Accounting & Finance QUESTION #1226

Question 10364

Which of the following enjoys limited liability?

A general partnership.
A corporation.✔️
A sole proprietorship.
None of these

Correct Answer Logic:

A corporation (company) is a separate legal entity from its owners (shareholders). Shareholders enjoy limited liability — their personal assets are protected, and they can only lose the amount they invested. In a general partnership, all partners have unlimited personal liability. In a sole proprietorship, the owner has unlimited liability.

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English QUESTION #826

Question 10365

Pick the correct sentence about pacifying with kindness:

They try to pacify him for kindness and affection.
They try to pacify him in kindness and affection.
They try to pacify him by kindness and affection.
They try to pacify him with kindness and affection.✔️

Correct Answer Logic:

The correct preposition is 'with' — you pacify someone with kindness and affection. 'With' indicates the means or instrument used.

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CISA QUESTION #1774

Question 10366

Which type of evidence sampling technique involves examining 100 percent of available items?

Attribute
Stop-and-go
Cell
Discovery✔️

Correct Answer Logic:

Discovery sampling is deployed when fraud is suspected or when the likelihood of locating relevant evidence is low. Its goal is to examine as close to 100 percent of the population as possible to ensure that no evidence of irregularity is overlooked. Other sampling types are used in standard compliance testing.

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Civil Engineering QUESTION #2127

Question 10367

Manning's equation for open channel flow is $V = \dfrac{1}{n} R^{2/3} S^{1/2}$. The Manning's roughness coefficient $n$ for a clean, straight natural river channel is approximately in the range:

0.008–0.010
0.011–0.014
0.025–0.035✔️
0.050–0.080

Correct Answer Logic:

Manning's $n$ values: smooth concrete 0.011–0.013; clean, straight natural channel 0.025–0.033; winding natural channel with some pools 0.035–0.050; very weedy/brushy channels 0.075–0.150. A clean, straight natural river typically has $n \approx 0.025–0.035$. These values are critical for flood routing, channel design, and backwater curve computations in hydraulic engineering.

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MCQs Section QUESTION #5083

Question 10368

Pros and Cons کے درست مطلب کا انتخاب کیجیے۔

عام لوگ
کھوٹے سکے
مشینی زندگی
موافق و خلاف باتیں✔️

Correct Answer Logic:

Pros and Cons انگریزی محاورہ ہے جس کے معنی ہیں حق میں اور خلاف میں دلائل یعنی مثبت و منفی پہلو۔

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General Knowledge QUESTION #8764

Question 10369

What is the medical condition 'insomnia'?

Inability to sleep✔️
Colour blindness
Depression
None of the above

Correct Answer Logic:

Insomnia is difficulty sleeping.

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Boilers Mechanical Engineering QUESTION #2504

Question 10370

The octahedral shear stress theory (von Mises criterion) for yielding states that yielding begins when:

$\sigma_{vm} = \sqrt{\sigma_1^2 + \sigma_2^2 + \sigma_3^2} \geq S_y$
$\sigma_{vm} = \sigma_1 - \sigma_3 \geq S_y$
$\sigma_{vm} = \frac{1}{\sqrt{2}}\sqrt{(\sigma_1-\sigma_2)^2+(\sigma_2-\sigma_3)^2+(\sigma_3-\sigma_1)^2} \geq S_y$✔️
$\sigma_{vm} = \frac{\sigma_1+\sigma_2+\sigma_3}{3} \geq S_y$

Correct Answer Logic:

The von Mises (distortion energy) criterion: $\sigma_{vm}=\frac{1}{\sqrt{2}}\sqrt{(\sigma_1-\sigma_2)^2+(\sigma_2-\sigma_3)^2+(\sigma_3-\sigma_1)^2}\geq S_y$.

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English QUESTION #2754

Question 10371

Which sentence is a SECOND CONDITIONAL?

If it rains✔️
I will take an umbrella.
If I were rich
I would travel the world.

Correct Answer Logic:

she would have passed.

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Education QUESTION #10861

Question 10372

Teaching as per lesson plan in a school is usually supervised by the:

Teacher educator
Teacher
Headmaster✔️
District Education Officer

Correct Answer Logic:

The headmaster (principal) is the immediate supervisor who monitors and ensures that teachers follow lesson plans within the school. This is part of the head's instructional leadership role — observing classes, checking lesson plan registers, and guiding teachers. The District Education Officer (DEO) provides external supervision at the district level, but day-to-day lesson plan supervision is the headmaster's primary responsibility.

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English QUESTION #2699

Question 10373

Where should a semicolon be used?

To join two independent clauses.✔️
To introduce a list.
To show possession.
To end a question.

Correct Answer Logic:

A semicolon joins two closely related independent clauses without a coordinating conjunction.

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Quantitative Reasoning QUESTION #8152

Question 10374

Congress faces serious difficulty reaching consensus on energy policy, primarily because the policy objectives of its various members rest on such _______ assumptions.
(Select the best word. Note: two words produce sentences alike in meaning — choose the most accurate.)

disparate✔️
commonplace
fundamental
trite

Correct Answer Logic:

The reason consensus is hard is that members' assumptions are very different from each other. Disparate means fundamentally different and incompatible. 'Divergent' is the synonym pair in the original. 'Commonplace' means ordinary — that wouldn't cause difficulty. 'Fundamental' means basic, not incompatible. 'Trite' means overused/dull, irrelevant to the argument.

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Bio-Technology QUESTION #10596

Question 10375

Citric acid production by Aspergillus niger is maximised under conditions of:

High phosphate, neutral pH, and moderate manganese concentration
High glucose, low pH (~2–3), manganese limitation, and nitrogen limitation✔️
Low glucose concentration and high dissolved oxygen
Alkaline pH and excess iron to activate isocitrate dehydrogenase

Correct Answer Logic:

Aspergillus niger accumulates citric acid when: (1) glucose is high (substrate excess), (2) pH is low (~2.0–2.5, suppressing competing organic acids), (3) Mn²⁺ is severely limited (inhibits isocitrate dehydrogenase and aconitase, blocking TCA cycle beyond citrate), and (4) nitrogen is limited (reducing biosynthetic demands). The combination causes citrate to accumulate. Annual production exceeds 1.5 million tonnes, mostly for food and beverage use.

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English QUESTION #4454

Question 10376

The expression 'The sky was overcast' implies that:

The sky was covered with clouds✔️
The sky seemed spread across the horizon.
The sky was shining brightly
None of these

Correct Answer Logic:

'Overcast' specifically describes a sky completely or mostly covered with clouds.

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Quantitative Reasoning QUESTION #8139

Question 10377

Ironically, the writer so cautious about (i)_______ was (ii)_______ with ink and paper, his novel running to 2,500 folio pages — a small fortune in stationery at the time.

extravagance .. profligate✔️
probity .. acquisitive
disapprobation .. illiberal
extravagance .. acquisitive

Correct Answer Logic:

The irony is the key: someone wary of extravagance (wasteful excess) was himself extremely profligate (recklessly wasteful) with paper and ink. The contrast between his professed caution and actual behavior is the point of the sentence. 'Probity' means honesty — unrelated to the extravagance/waste theme. 'Acquisitive' means wanting to acquire things, not specifically wasteful. Only extravagance...profligate maintains the ironic contrast perfectly.

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