Reading Mode - Questions

English QUESTION #7876

What does 'subtle' most likely mean in the sentence: 'The detective noticed a subtle change in the suspect's tone...'

Dramatic
Notable
Obvious
Slight✔️

Correct Answer Logic:

'Subtle' means so slight or delicate as to be difficult to notice. In this context, the detective noticed a small, not obvious change. 'Slight' is the best synonym among the options.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #2541

Question 222

By Pappus's second theorem, the volume of a solid formed by rotating plane area $A$ through angle $2\pi$ about an external axis at centroidal distance $\bar{d}$ is:

$V=\pi\bar{d}^2 A$
$V=2\pi\bar{d}A$✔️
$V=4\pi\bar{d}A$
$V=\frac{A}{2\pi\bar{d}}$

Correct Answer Logic:

Pappus's second theorem: $V=\theta\cdot\bar{d}\cdot A$. For a full revolution ($\theta=2\pi$): $V=2\pi\bar{d}A$, where $\bar{d}$ is the distance from the area's centroid to the axis of revolution.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #804

Question 223

In which orbital do electrons go after $6d$?

7s
8s
7p✔️
6s

Correct Answer Logic:

Following the Aufbau principle and $(n+l)$ rule, after filling $6d$, electrons enter the $7p$ orbital.

Uploaded by: Fani Warraich

Urdu QUESTION #4462

Question 224

درست جملہ بتائیں۔ (Identify the correct sentence)

وہ دن بدن پتلا ہوتا جا رہا ہے۔
وہ دان بدن میں پتلا ہوتا جا رہا ہے۔
وہ روز بروز پتلا ہو تا جا رہا ہے۔✔️
ان میں کوئی نہیں۔

Correct Answer Logic:

While 'din ba din' is common in speech, 'roz baroz' is considered the grammatically superior expression in formal Urdu for 'day by day'.

Uploaded by: Fani Warraich

Chemistry QUESTION #7798

Question 225

The functional group present in ketones is called:

Amino
Carbonyl✔️
Carboxyl
Formyl

Correct Answer Logic:

Ketones contain a carbonyl group (C=O) bonded to two carbon atoms. Aldehydes have -CHO (formyl group). Carboxyl = -COOH, amino = -NH₂.

Uploaded by: Fani Warraich

Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3601

Question 226

'Clove' (Eugenia caryophyllus) is used in dentistry as a local anesthetic due to its high content of:

Menthol
Eugenol✔️
Thymol
Limonene

Correct Answer Logic:

Eugenol provides the characteristic smell and numbing effect of clove oil.

Uploaded by: Fani Warraich

Chemistry QUESTION #7361

Question 227

The maximum number of electrons that can occupy a subshell defined by $\ell = 3$ and $n = 4$ is:

10
12
14✔️
16

Correct Answer Logic:

For $\ell = 3$ (f-subshell):
Number of orbitals = $2\ell + 1 = 2(3) + 1 = 7$
Max electrons = $7 \times 2 = 14$

This is the 4f subshell. Note that $n = 4$ is valid since $\ell$ can be 0, 1, 2, or 3 for $n = 4$. The 4f subshell holds exactly 14 electrons, which accounts for the 14 lanthanoids.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #2453

Question 228

The general solution for forced damped vibration $x=x_1+x_2$ consists of:

Only the steady-state component $x_2=B_2\sin(pt-\phi)$
Transient free-damped oscillation $x_1=B_1e^{-\alpha t}\sin(\omega_d t+\psi)$ PLUS steady-state harmonic $x_2=B_2\sin(pt-\phi)$✔️
Only the transient component that decays to zero
A constant DC offset plus a harmonic

Correct Answer Logic:

The complete solution is $x=x_1+x_2$: the transient part $x_1=B_1e^{-\alpha t}\sin(\omega_d t+\psi)$ decays with time; the steady-state part $x_2=B_2\sin(pt-\phi)$ persists indefinitely.

Uploaded by: Fani Warraich

English QUESTION #2798

Question 229

Complete the ANALOGY — an analogy shows a relationship between pairs of words: 'Doctor : Hospital :: Teacher : ___'

Office
Library
School✔️
University

Correct Answer Logic:

This analogy shows a 'worker : workplace' relationship. A doctor works in a hospital; a teacher works in a school. The relationship is: professional person to the place where they primarily work.

Uploaded by: Fani Warraich

Biology QUESTION #7269

Question 230

Nitrogen fixation in root nodules of Alnus is brought about by:

Frankia✔️
Azorhizobium
Bradyrhizobium
Clostridium

Correct Answer Logic:

Frankia is a filamentous actinomycete that forms nitrogen-fixing root nodules (actinorhizal nodules) in non-leguminous plants like Alnus (alder), Casuarina, and Ceanothus. Rhizobium and Bradyrhizobium nodulate legumes; Azorhizobium is stem-nodulating; Clostridium is a free-living anaerobic nitrogen fixer.

Uploaded by: Fani Warraich

General Abilities QUESTION #4593

Question 231

Expand: $(x + 3)(x + 2)$

$x^2 + 5x + 6$✔️
$x^2 + 6$
$2x + 5$
$x^2 + 3x + 2$

Correct Answer Logic:

$(x+3)(x+2) = x^2 + 2x + 3x + 6 = x^2 + 5x + 6$

Uploaded by: Fani Warraich

Physics QUESTION #7047

Question 232

A pinhole camera box of length $L$ has a hole of radius $a$. The spot size is the sum of geometrical spread and diffraction spread. At what value of $a$ is the spot size $b_{min}$ minimized?

$a = \sqrt{\lambda L}$ and $b_{min} = \frac{2\lambda^2}{L}$
$a = \sqrt{\lambda L}$ and $b_{min} = \sqrt{4\lambda L}$✔️
$a = \sqrt{\frac{\lambda L}{2}}$ and $b_{min} = 2\sqrt{2\lambda L}$
$a = \frac{\lambda^2}{L}$ and $b_{min} = \frac{2\lambda^2}{L}$

Correct Answer Logic:

Spot size $b \approx \text{geometric spread} + \text{diffraction spread} = a + \frac{L\lambda}{a}$.

To minimize $b$, differentiate with respect to $a$ and set to zero:

$\frac{db}{da} = 1 - \frac{L\lambda}{a^2} = 0 \implies a = \sqrt{\lambda L}$.

Substituting back: $b_{min} = \sqrt{\lambda L} + \frac{L\lambda}{\sqrt{\lambda L}} = 2\sqrt{\lambda L} = \sqrt{4\lambda L}$.

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3530

Question 233

Which part of 'Cinnamon' (Darchini) is used as medicine?

Leaves
Inner Bark✔️
Flowers
Roots

Correct Answer Logic:

Cinnamomum zeylanicum bark is the medicinal part.

Uploaded by: Fani Warraich

Economics QUESTION #1718

Question 234

Given Pakistan's current fossil-fuel-dominated energy mix, low per capita income, large informal economy, and governance deficits, which Sustainable Development Goal presents the most multidimensionally challenging target for the country to achieve?

SDG 7: Affordable and Clean Energy — transitioning to renewable energy while ensuring universal affordable access
SDG 13: Climate Action — meeting emissions reduction and climate adaptation commitments
SDG 8: Decent Work and Economic Growth — sustaining inclusive growth and full employment in a fragile economy
All of these✔️

Correct Answer Logic:

Pakistan faces intersecting challenges across all three SDGs simultaneously: (1) SDG 7 — the energy mix is fossil-fuel dependent, millions lack electricity access, and renewable transition requires massive capital unavailable domestically; (2) SDG 13 — Pakistan is among the top 10 most climate-vulnerable countries (Germanwatch index) yet contributes less than 1% of global emissions, creating an adaptation-mitigation dilemma; (3) SDG 8 — youth unemployment (26%+), informality (73% of employment), and low productivity growth make decent work targets extremely difficult. All three are simultaneously and acutely challenging.

Uploaded by: Fani Warraich

Physics QUESTION #365

Question 235

When a helium atom loses an electron

it becomes:✔️
An alpha particle
Proton
A positive helium ion

Correct Answer Logic:

2

Uploaded by: Fani Warraich

English QUESTION #2677

Question 236

Complete the analogy: 'Bird : Fly :: Fish : ___'

Swim✔️
Walk
Run
Crawl

Correct Answer Logic:

A bird's primary mode of movement is flying; a fish's is swimming.

Uploaded by: Fani Warraich

Mathematics QUESTION #6024

Question 237

If $y = \sec(\tan^{-1}x)$, find $\dfrac{dy}{dx}$ at $x=1$.

$\dfrac{1}{\sqrt{2}}$✔️
$\dfrac{1}{2}$
1
$\sqrt{2}$

Correct Answer Logic:

Let $\theta = \tan^{-1}x$, so $\tan\theta = x$ and $y = \sec\theta$.

$\frac{dy}{dx} = \sec\theta\tan\theta\cdot\frac{d\theta}{dx} = \sec\theta\tan\theta\cdot\frac{1}{1+x^2}$

Since $\tan\theta=x$ and $\sec\theta=\sqrt{1+x^2}$:

$\frac{dy}{dx} = \sqrt{1+x^2}\cdot x\cdot\frac{1}{1+x^2} = \frac{x}{\sqrt{1+x^2}}$

At $x=1$: $\frac{dy}{dx} = \frac{1}{\sqrt{2}}$

Uploaded by: Fani Warraich

CISA QUESTION #1782

Question 238

What is the most significant concern when deploying computer-assisted audit tools (CAATs)?

The technical capability of the software vendor
Potential costs, complexity of implementation, and security of the output✔️
The inability of automated tools to account for human behavioral factors
Documentary evidence being more reliable than automated results

Correct Answer Logic:

While CAATs can process data faster and more accurately than manual review, the primary concerns center on cost of acquisition and training, the complexity of proper deployment, and ensuring that the output is adequately secured and protected from unauthorized access or tampering.

Uploaded by: Fani Warraich

Education QUESTION #6704

Question 239

In planning instruction, a teacher must decide between content sequencing approaches. For teaching the water cycle, which sequence would be MOST pedagogically sound?

Historical discovery of water cycle → individual processes → integrated system
Individual processes separately → integration into complete cycle → real-world applications
General water cycle concept → specific processes → micro-level details✔️
Random presentation of facts → student construction of relationships

Correct Answer Logic:

This follows a logical progression: understanding components first (evaporation, condensation, precipitation), then seeing how they interconnect systematically, and finally applying this understanding to authentic contexts. This builds from concrete parts to abstract whole to practical application.

Uploaded by: Fani Warraich

Reading and Writing (Module-1) QUESTION #5313

Question 240

This excerpt is adapted from Emily Pauline Johnson's 1913 story 'The King's Coin.' Fox-Foot, an Ojibwe man, is leading fur traders by canoe and fears they are being tracked. At supper time, Fox-Foot would allow no fire to be built, no landing to be made, no trace of their passing to be left. As used in the text, what does the word 'trace' most nearly mean?

Evidence✔️
Blemish
Amount
Sketch

Correct Answer Logic:

In this context, 'trace' refers to signs or evidence that would reveal they had passed through the area.

Uploaded by: Fani Warraich

More Options

Suggest a Question