Reading Mode - Questions

Law QUESTION #9670

Under Article 3, witness competence is ultimately determined according to:

The Civil Procedure Code
The Pakistan Penal Code
Injunctions of Islam as laid down in the Holy Quran and Sunnah✔️
The discretion of the presiding judge

Correct Answer Logic:

Article 3 provides that the Court shall determine the competence of a witness in accordance with the qualifications prescribed by the injunctions of Islam as laid down in the Holy Quran and Sunnah.

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Chemistry QUESTION #7512

Question 3402

The unit of the van der Waals constant '$a$' in the equation $\left(P + \dfrac{an^2}{V^2}\right)(V - nb) = nRT$ is:

atm dm$^6$ mol$^{-2}$✔️
kg m s$^{-1}$
kg m s$^{-2}$
dm$^3$ mol$^{-1}$

Correct Answer Logic:

In the van der Waals equation, the term $\dfrac{an^2}{V^2}$ must have units of pressure.

So: $a = \dfrac{P \cdot V^2}{n^2}$

Units of $a = \dfrac{\text{atm} \cdot (\text{dm}^3)^2}{(\text{mol})^2} = \mathbf{\text{atm dm}^6\ \text{mol}^{-2}}$

The constant $b$ has units of dm$^3$ mol$^{-1}$ (it represents excluded molar volume). 'a' corrects for intermolecular attractions.

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English QUESTION #8523

Question 3403

The students who had the flu had a(n) _______ reason for missing school. Their absence that day was a(n) _______.

unwarranted... anomaly
legitimate... aberration✔️
unjustifiable... travesty
inconsolable... fluke

Correct Answer Logic:

Legitimate reason; aberration means deviation from the norm.

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Civil Procedure QUESTION #3723

Question 3404

A surgeon performs a successful emergency appendectomy on an unconscious patient. The patient later sues for 'battery,' arguing they never gave consent. What is the result?

The surgeon is liable because any touching without consent is battery.
The surgeon is not liable because of 'implied consent' in an emergency life-saving situation.✔️
The surgeon is liable, but damages will be nominal.
The surgeon is not liable because the patient's appendicitis was a 'superseding cause.'

Correct Answer Logic:

The law implies consent for medical procedures in emergency situations where the patient is unable to give consent and a reasonable person would consent to save their life or health.

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Electrical Engineering QUESTION #2193

Question 3405

In a CMOS inverter with $V_{DD} = 3.3\,\text{V}$, NMOS parameters $k_n = 2\,\text{mA/V}^2$, $V_{tn} = 0.5\,\text{V}$, and PMOS parameters $k_p = 1\,\text{mA/V}^2$, $|V_{tp}| = 0.5\,\text{V}$, the switching threshold $V_M$ (where $V_{out} = V_{in}$) is approximately:

$1.26\,\text{V}$✔️
$1.65\,\text{V}$
$0.99\,\text{V}$
$2.00\,\text{V}$

Correct Answer Logic:

$V_M = \frac{V_{tn}+\sqrt{k_p/k_n}(V_{DD}-|V_{tp}|)}{1+\sqrt{k_p/k_n}} = \frac{0.5+\sqrt{0.5}(2.8)}{1+\sqrt{0.5}} = \frac{0.5+1.980}{1.707} = \frac{2.480}{1.707} \approx 1.26\,\text{V}$. The threshold is below $V_{DD}/2 = 1.65\,\text{V}$ because $k_p < k_n$.

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Agronomy QUESTION #2111

Question 3406

Integrated soil fertility management (ISFM) is distinguished from conventional fertilizer recommendations by:

Replacing all synthetic fertilizers with organic inputs only
Combining the use of improved germplasm, mineral fertilizers, and organic resources in a site-specific manner that leverages synergistic interactions — where organic matter improves the efficiency of mineral fertilizers and mineral fertilizers accelerate organic matter decomposition and nutrient release — targeting smallholder farming systems in sub-Saharan Africa and South Asia✔️
Using only locally available organic materials regardless of their nutrient content or crop nutrient demand
Applying mineral fertilizers at maximum agronomic doses to build soil fertility rapidly

Correct Answer Logic:

ISFM (Vanlauwe et al.) is based on four components: (1) use of improved varieties responsive to inputs, (2) appropriate mineral fertilizer application, (3) organic resource management, and (4) local adaptation. Key insight: organic inputs alone rarely meet crop demand, but combined with mineral fertilizers, organic matter improves fertilizer response through enhanced soil biological activity, water retention, and reduced P-fixation — achieving yield responses greater than either input alone.

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MBBS QUESTION #10245

Question 3407

The dicrotic notch seen on an arterial pressure waveform tracing corresponds to which physiological event?

Opening of the aortic valve at the start of systolic ejection
Closure of the aortic valve, marking the onset of diastole✔️
Opening of the mitral valve during rapid ventricular filling
The peak of systolic ejection

Correct Answer Logic:

The dicrotic notch represents a brief backflow of blood toward the closing aortic valve, producing a small pressure rebound just after peak systolic pressure — marking the transition from systole to diastole.

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Mathematics QUESTION #6959

Question 3408

Suppose $x, y, z$ are in arithmetic progression (A.P.) and $\tan^{-1}x,\ \tan^{-1}y,\ \tan^{-1}z$ are also in A.P. Then:

$x=y=z$✔️
$2x=3y=6z$
$6x=3y=2z$
$6x=4y=3z$

Correct Answer Logic:

If $\tan^{-1}x, \tan^{-1}y, \tan^{-1}z$ are in A.P., then $2\tan^{-1}y=\tan^{-1}x+\tan^{-1}z$.

Also $x,y,z$ in A.P. means $2y=x+z$.

From $2\tan^{-1}y=\tan^{-1}x+\tan^{-1}z$: using the addition formula, $\tan(2\tan^{-1}y)=\tan(\tan^{-1}x+\tan^{-1}z)$, i.e., $\dfrac{2y}{1-y^2}=\dfrac{x+z}{1-xz}$.

Substituting $x+z=2y$: $\dfrac{2y}{1-y^2}=\dfrac{2y}{1-xz}$. So $1-y^2=1-xz$, giving $y^2=xz$.

Combined with $x+z=2y$ (A.P.) and $y^2=xz$ (G.P.) $\Rightarrow x=y=z$.

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Ability / HR / Governance / Special Education QUESTION #1846

Question 3409

Which authority constitutes the Selection Board for promotion/transfer to posts in BPS 19 to 21?

Establishment Division
Federal Public Service Commission
Federal Government✔️
Prime Minister

Correct Answer Logic:

Rule 2(b) defines Selection Board as a Board constituted by the Federal Government for selection for promotion or transfer to posts in BPS 19 to 21 and equivalent.

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Reading and Writing (Module-1) QUESTION #10380

Question 3410

The senator's speech was so ------- that even her staunchest opponents found themselves nodding in agreement by its conclusion.

divisive
persuasive✔️
monotonous
inaudible

Correct Answer Logic:

Opponents agreeing implies the speech was convincing, i.e., 'persuasive.'

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3569

Question 3411

'Mayer's Reagent' produces what color precipitate with alkaloids?

Blue
Cream/White✔️
Red
Black

Correct Answer Logic:

A cream or white precipitate indicates the presence of alkaloids.

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General Knowledge QUESTION #4479

Question 3412

Doha Forum is an annual global forum held in Doha that gathers leaders. Doha Forum and Doha Dialogue are:

The same✔️
Different
Doha Forum is part of Doha Dialogue
None of these

Correct Answer Logic:

They are used interchangeably for the same event.

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Civil Engineering QUESTION #6616

Question 3413

What is the primary reason for using a 'moment connection' instead of a 'shear connection' in a steel frame?

To reduce the cost of fabrication
To allow for easier thermal expansion
To provide lateral stability and resistance to wind/seismic loads✔️
To ensure the beam behaves as a simply supported member

Correct Answer Logic:

Moment connections (Rigid connections) transfer both shear and bending moments, allowing the frame to act as a rigid system that resists lateral forces through frame action (portal effect).

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Chemistry QUESTION #451

Question 3414

Osmotic pressure of a solution is __________ property.

Obligative
Fractional
Colligative✔️
Automated

Correct Answer Logic:

Osmotic pressure is a colligative property

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Islamic Studies QUESTION #364

Question 3415

"Reconstruction of Religious Thought in Islam" was written by:

T.W. Arnold
Ameer Ali
Dr. Muhammad Iqbal✔️
None of these

Correct Answer Logic:

This book is a compilation of lectures delivered by Allama Muhammad Iqbal.

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Chemistry QUESTION #1093

Question 3416

Which of the following are paramagnetic? A. [NiCl$_4$]$^{2-}$ B. Ni(CO)$_4$ C. [Ni(CN)$_4$]$^{2-}$ D. [Ni(H$_2$O)$_6$]$^{2+}$ E. Ni(PPh$_3$)$_4$

A and D only✔️
A, D and E only
A and C only
B and E only

Correct Answer Logic:

Ni$^{2+}$ is [Ar]3d$^8$. Paramagnetic if unpaired electrons: A: [NiCl$_4$]$^{2-}$: Cl$^-$ is weak field → tetrahedral, sp$^3$, 2 unpaired → paramagnetic ✓. B: Ni(CO)$_4$: Ni(0), CO is strong field → d$^{10}$, diamagnetic. C: [Ni(CN)$_4$]$^{2-}$: CN$^-$ strong field → square planar, dsp$^2$, 0 unpaired → diamagnetic. D: [Ni(H$_2$O)$_6$]$^{2+}$: H$_2$O weak field → octahedral, 2 unpaired → paramagnetic ✓. E: Ni(PPh$_3$)$_4$: Ni(0), d$^{10}$ → diamagnetic. Paramagnetic: A and D.

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General Knowledge QUESTION #4721

Question 3417

What is the official currency of China?

Rouble
Yen
Yuan (Renminbi)✔️
Won

Correct Answer Logic:

The official currency of China is the Renminbi (RMB), with the base unit called the Yuan. The Rouble is Russian, Yen is Japanese, and Won is Korean.

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Psychology QUESTION #9925

Question 3418

Perfection is a problem most associated with the:

Id
Ego
Super ego✔️
Ego and super ego

Correct Answer Logic:

The superego — the moral, idealistic component of personality — sets impossible standards of perfection. When these standards are unmet, the superego generates guilt and self-criticism. Perfectionism is most associated with an overly strict superego.

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Reading and Writing (Module-1) QUESTION #5439

Question 3419

Ancestral Puebloans dispersed in late 1200s, abandoning villages. Turkey remains at Mesa Verde share genetic markers with modern Rio Grande turkeys after 1280. Thus, researchers concluded that ____

terrain conditions in Rio Grande and Mesa Verde were more similar in the past.
some Ancestral Puebloans migrated to Rio Grande Valley in late 1200s with farming practices.✔️
Rio Grande peoples primarily planted crops and didn't cultivate turkeys before 1280.
Mesa Verde Puebloans adopted farming practices from other regions.

Correct Answer Logic:

Shared genetic markers after 1280 suggest migration of turkeys (and likely people) from Mesa Verde to Rio Grande.

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MBBS QUESTION #10360

Question 3420

Ammonia generated from amino acid catabolism throughout the body is transported (largely as glutamine and alanine) to the organ where it is converted to urea for excretion via the urea cycle. This organ is the:

Kidney
Liver✔️
Skeletal muscle
Brain

Correct Answer Logic:

The liver is the primary site of the urea cycle, converting toxic ammonia (delivered largely as glutamine from peripheral tissues and alanine from muscle via the glucose-alanine cycle) into water-soluble urea, which is then excreted by the kidneys.

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