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Mathematics QUESTION #4092

The solution set of the inequality $x^2+x>2$ is:

$(-2,1)$
$(-\infty,-2)\cup(1,\infty)$✔️
$[-2,1]$
$(-1,2)$

Correct Answer Logic:

Factor: $x^2+x-2=(x+2)(x-1)>0$. Product of two factors is positive when both are positive ($x>1$) or both are negative ($x<-2$). Solution: $(-\infty,-2)\cup(1,\infty)$.

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MCQs Section QUESTION #4874

Question 2302

Correct antonym of "TENTATIVE" is

Expedient✔️
Nominal
Provisional
Alternative

Correct Answer Logic:

Tentative means not certain or fixed; done as a trial. Its antonym is 'expedient,' meaning suitable and practical for a particular purpose — implying decisiveness rather than hesitation.

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Reading and Writing (Module-1) QUESTION #5396

Question 2303

The following text is adapted from Susan Glaspell's 1912 short story "'Out There.'" An elderly shop owner is looking at a picture that he recently acquired and hopes to sell. It did seem that the picture failed to fit in with the rest of the shop. A persuasive young fellow who claimed he was closing out his stock let the old man have it for what he called a song. It was only a little out-of-the-way store which subsisted chiefly on the framing of pictures. The old man looked around at his views of the city, his pictures of cats and dogs, his flaming bits of landscape. "Don't belong in here," he fumed. And yet the old man was secretly proud of his acquisition. There was a hidden dignity in his scowling as he shuffled about pondering the least ridiculous place for the picture. Which choice best states the main purpose of the text?

To reveal the shop owner's conflicted feelings about the new picture✔️
To convey the shop owner's resentment of the person he got the new picture from
To describe the items that the shop owner most highly prizes
To explain differences between the new picture and other pictures in the shop

Correct Answer Logic:

The text shows the shop owner both frustrated ("Don't belong in here") and proud of the new picture, revealing his conflicted feelings.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3681

Question 2304

'Beeswax' is used in pharmacy for:

Making candles only
Preparing ointments and plasters✔️
Eating
Injecting

Correct Answer Logic:

It provides consistency to semi-solid preparations.

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Reading and Writing (Module-1) QUESTION #5358

Question 2305

Transgenic fish have genetic material from other species. Some contain jellyfish DNA, causing them to glow. Originally created for labs in the 90s, they became pets later and are now appearing in Brazilian rivers. A student suggests their escape from farms could lead to long-term ecological damage. Which quotation from a researcher would best support the student's assertion?

'In one site in the wild where transgenic fish were observed, females outnumbered males, while in another the numbers of females and males were equivalent.'
'Though some presence of transgenic fish in the wild has been recorded, there are insufficient studies of the impact of those fish on the ecosystems into which they are introduced.'
'The ecosystems into which transgenic fish are known to have been introduced may represent a subset of the ecosystems into which the fish have actually been introduced.'
'Through interbreeding, transgenic fish might introduce the trait of fluorescence into wild fish populations, making those populations more vulnerable to predators.'✔️

Correct Answer Logic:

Option D provides a specific negative ecological outcome (vulnerability to predators) resulting from the transgenic trait entering the wild population.

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English QUESTION #491

Question 2306

What is meant by birth-rate and death-rate and how do they effect the population?

is meant
and death-rate
how do they effect
the population✔️

Correct Answer Logic:

Error: 'effect' should be 'affect'

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Chemistry QUESTION #5528

Question 2307

At $518°C$, the rate of decomposition of gaseous acetaldehyde (initially at 363 Torr) was $1.00\ \text{Torr s}^{-1}$ when 5% had reacted and $0.5\ \text{Torr s}^{-1}$ when 33% had reacted. Determine the order of this reaction.

1
2✔️
3

Correct Answer Logic:

Using pressure method: initial pressure $P_0 = 363$ Torr. At 5% reacted: $P = 363 \times 0.95 = 344.85$ Torr, rate = 1.00. At 33% reacted: $P = 363 \times 0.67 = 243.2$ Torr, rate = 0.5. For order $n$: $\frac{r_1}{r_2} = \left(\frac{P_1}{P_2}\right)^n \Rightarrow \frac{1.00}{0.5} = \left(\frac{344.85}{243.2}\right)^n \Rightarrow 2 = (1.418)^n$. Solving: $n = \frac{\ln 2}{\ln 1.418} \approx 2$. The reaction is second order.

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Administration QUESTION #2950

Question 2308

"Ethical Relativism" in business ethics is the belief that:

There are universal ethical truths that apply to all cultures
Morality is dependent on cultural or individual perspectives✔️
Profit should always be prioritized over ethical considerations
None of these

Correct Answer Logic:

Relativism suggests that what is "right" or "wrong" is not absolute but varies based on the social or cultural context.

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English QUESTION #2714

Question 2309

What does 'Break down' mean in the context of machinery?

To stop functioning✔️
To start working
To smash
To lose control

Correct Answer Logic:

A machine 'breaks down' when it stops working due to a mechanical failure.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3494

Question 2310

Volatile oils are also known as 'Essential Oils' because:

They are essential for life
They possess the 'essence' or odor of the plant✔️
They are made of proteins
They never evaporate

Correct Answer Logic:

They are volatile in steam and provide the characteristic aroma of the plant.

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Basic Mathematics QUESTION #4589

Question 2311

Two numbers are in ratio $7:9$. If their sum is $64$, what is the larger number?

$28$
$36$✔️
$32$
$56$

Correct Answer Logic:

Total parts = $7+9=16$. Larger = $\frac{9}{16} \times 64 = 36$

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Security Measures to Maintain Law and Order QUESTION #936

Question 2312

Which of the following is an example of a 'Prohibited Item' in the cabin?

A book
A sharp metallic object
A bottle of water (over 100ml)
Both B and C✔️

Correct Answer Logic:

Items that can be used as weapons or liquid explosives are restricted to maintain the order and safety of the flight.

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Tourism & Hospitality Management QUESTION #1591

Question 2313

Under the Pakistan Tourist Destinations course, which of the following is correctly classified as a 'cultural heritage resource' rather than a natural resource?

The Karakoram mountain range
Mangrove ecosystems
Buddhist stupas, Sikh shrines, and Muslim tombs✔️
The Indus River and its tributaries

Correct Answer Logic:

The Pakistan Tourist Destinations course classifies Buddhist, Sikh, Hindu, and Muslim sites (stupas, shrines, tombs, mosques) as cultural heritage resources — specifically listed under 'Muslim, Buddhist, Sikh, Hindu, Socio-cultural resources.' Natural landforms and water bodies are classified separately as natural resources.

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Basic Mathematics QUESTION #4490

Question 2314

What is the product of $-8$ and $-5$?

$-40$
$40$✔️
$-13$
$13$

Correct Answer Logic:

When two negative numbers are multiplied, the result is positive. $(-8) \times (-5) = 40$

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Agronomy QUESTION #2054

Question 2315

Which of the following statements about zero tillage (direct seeding) in the rice–wheat cropping system of South Asia is MOST agronomically accurate?

Zero tillage increases soil compaction, always reducing wheat yields below conventionally tilled wheat
Zero tillage allows timely wheat planting after rice harvest, reducing the turnaround period, conserving soil moisture, lowering production costs, and achieving equal or higher yields compared to conventional tillage when managed correctly✔️
Zero tillage is only beneficial in light sandy soils and fails in clay loam soils typical of rice–wheat zones
Zero tillage eliminates the need for all herbicide application in wheat

Correct Answer Logic:

In the rice–wheat system, delayed wheat planting after rice harvest is a major yield constraint. Zero tillage (using zero-till drills) reduces the turnaround period by 10–15 days, conserves residual soil moisture, reduces diesel use by 60–70%, and achieves comparable or higher yields than conventional tillage — demonstrated across millions of hectares in Pakistan, India, and Bangladesh.

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