Reading Mode - Questions

Education QUESTION #6750

A test developer calculates item difficulty (p-value) for a four-choice MCQ and obtains p = 0.92. What is the MOST appropriate interpretation and action?

The item has excellent discrimination and should be retained as-is
The item is very easy; it should be reviewed and possibly replaced unless the purpose specifically requires mastery-level warm-up items✔️
The item has optimal difficulty for a norm-referenced test since p-value is above 0.5
The item discrimination index will necessarily be high because many students answered correctly

Correct Answer Logic:

For a four-alternative MCQ, the optimal p-value is approximately 0.62. A p-value of 0.92 means 92% answered correctly — the item is very easy. In NRT contexts this reduces discrimination power. Items above p = 0.90 need careful review. High p-value does not guarantee high discrimination; in fact, near-universal correct responses often yield near-zero or negative discrimination.

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Education QUESTION #11688

Question 7882

If counseling services help students gain self-understanding, then the follow-up service is designed to:

Keep in constant contact with former students✔️
Indicate which programmes may be improved
Help the student achieve a desired placement
None of these

Correct Answer Logic:

Follow-up in guidance and counseling involves maintaining ongoing contact with former students after they have completed a programme or left the institution. Its purpose is to monitor their progress, assess how well the guidance served them, and provide continued support if needed.

Correct Answer: A — Keep in constant contact with former students.

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CISA QUESTION #6829

Question 7883

During a SOX compliance audit, the auditor discovers that significant control weaknesses identified 85 days ago have not been reported to the audit committee. What is the PRIMARY compliance violation?

Delayed remediation
Failure to disclose significant weaknesses to audit committee within required 90-day period✔️
Inadequate control design
Insufficient audit frequency

Correct Answer Logic:

SOX regulations require that all significant weaknesses be disclosed to the audit committee every 90 days. At 85 days, the organization is nearing violation of this requirement. Timely disclosure to the audit committee is a specific regulatory obligation separate from remediation timelines.

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Geography QUESTION #6332

Question 7884

In the context of sustainable food systems, 'food miles' refers to:

Distance workers travel to agricultural employment
Distance food travels from production to consumption✔️
Agricultural land distance from urban markets
Supply chain efficiency in food distribution

Correct Answer Logic:

Food miles measure the distance food travels from production to consumption, used as a sustainability indicator. Higher food miles generally mean greater CO2 emissions from transportation, though production method variations can complicate this assessment.

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Political Science QUESTION #6685

Question 7885

Which institution is responsible for interpreting the Constitution in Pakistan?

Parliament
Supreme Court✔️
President
None of these

Correct Answer Logic:

The Supreme Court of Pakistan is the final arbiter and interpreter of the Constitution.

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Ability / HR / Governance / Special Education QUESTION #1816

Question 7886

Rule 12(2) requires that all procurement opportunities over three million Pakistani Rupees must be advertised in at least how many national daily newspapers, and in which languages?

One newspaper in English only
Two newspapers — one in English and one in Urdu✔️
Three newspapers — two in Urdu and one in English
Two newspapers both in English

Correct Answer Logic:

Rule 12(2) mandates that procurement opportunities exceeding three million Pakistani Rupees be advertised on the Authority's website as well as in print media, with the advertisement appearing in at least two national daily newspapers — one in English and the other in Urdu.

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Chemistry QUESTION #5573

Question 7887

Arrange the following cyclic amines in decreasing order of basicity: (I) Pyridine, (II) Pyrrole, (III) Piperidine

I > II > III
III > I > II✔️
III > II > I
I > III > II

Correct Answer Logic:

Piperidine (III) is a saturated cyclic amine (sp³ N, lone pair fully available) → most basic. Pyridine (I) has sp² N but lone pair not involved in aromaticity → moderately basic. Pyrrole (II) has sp² N whose lone pair is part of the aromatic $\pi$ system (6 $\pi$ electrons) → least basic. Order: III > I > II.

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MCQs Section QUESTION #5116

Question 7888

انتظار حسین کا کون سا افسانہ ہے جس میں تصوف کو بنیاد بنایا گیا؟

زرو کتا
کایا پلٹ✔️
اکڑی
آخری آدمی

Correct Answer Logic:

کایا پلٹ انتظار حسین کا افسانہ ہے جس میں تصوف کے تصورات کو مرکزی حیثیت دی گئی ہے۔

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Electrical Engineering QUESTION #2186

Question 7889

A Wien bridge oscillator uses $R = 10\,\text{k}\Omega$ and $C = 10\,\text{nF}$. The oscillation frequency and op-amp closed-loop gain required for sustained oscillation are:

$f_0 \approx 1.59\,\text{kHz}$, $A_v = 3$✔️
$f_0 \approx 1.59\,\text{kHz}$, $A_v = 2$
$f_0 \approx 15.9\,\text{kHz}$, $A_v = 3$
$f_0 \approx 159\,\text{Hz}$, $A_v = 1$

Correct Answer Logic:

$f_0 = \frac{1}{2\pi RC} = \frac{1}{2\pi\times10^4\times10^{-8}} \approx 1591\,\text{Hz} \approx 1.59\,\text{kHz}$. Barkhausen criterion for Wien bridge requires loop gain $= 1$; feedback factor $\beta = 1/3$ at $f_0$, so $A_v = 3$ (i.e., $R_f = 2R_1$).

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Mathematics QUESTION #6963

Question 7890

Find all $x$ satisfying $(\cot^{-1}x)^2 - 7(\cot^{-1}x)+10>0$.

$(-\infty,\cot5)\cup(\cot4,\cot2)$
$(\cot2,\infty)$
$(-\infty,\cot5)\cup(\cot2,\infty)$✔️
$(\cot5,\cot4)$

Correct Answer Logic:

Let $u=\cot^{-1}x$. Solve $u^2-7u+10>0$, i.e., $(u-2)(u-5)>0$.

This gives $u<2$ or $u>5$.

Since $\cot^{-1}x$ is a decreasing function with range $(0,\pi)$:

$u<2 \Rightarrow \cot^{-1}x<2 \Rightarrow x>\cot2$ (decreasing function reverses inequality)
$u>5 \Rightarrow \cot^{-1}x>5 \Rightarrow x<\cot5$

Solution: $x\in(-\infty,\cot5)\cup(\cot2,\infty)$

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Pakistan Affairs QUESTION #145

Question 7891

The lower age limit for a candidate contesting senate elections is ______ years.

30✔️
35
25
40

Correct Answer Logic:

According to the Constitution of Pakistan, a person must be at least 30 years of age to be elected as a member of the Senate.

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Reading and Writing (Module-1) QUESTION #5330

Question 7892

In Wilde's novel, what does Lord Henry suggest is the result of resisting temptation?

The soul becomes sick with longing.✔️
One achieves spiritual enlightenment.
Temptation eventually disappears.
One becomes more disciplined.

Correct Answer Logic:

Lord Henry claims that resisting causes the soul to grow 'sick with longing.'

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Social Studies QUESTION #10081

Question 7893

The term 'cultural lag' was coined by:

Levi Strauss
George Brown
William Ogburn✔️
None of these

Correct Answer Logic:

William Ogburn coined the term 'cultural lag' to describe the gap between material and non-material culture change.

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Agronomy QUESTION #2101

Question 7894

Leghemoglobin in legume root nodules serves the critical function of:

Providing carbon skeleton for amide synthesis and nitrogen export to shoots
Maintaining microaerophilic conditions within the infected nodule cells — binding O₂ at high affinity to supply it to bacteroid respiration while keeping free O₂ concentration low enough to protect the oxygen-sensitive nitrogenase enzyme from irreversible inactivation✔️
Transporting fixed nitrogen (as ureides or amides) from nodule to xylem
Synthesizing ATP required for the high energy demand of the nitrogenase reaction

Correct Answer Logic:

Leghemoglobin (a plant-encoded heme protein, heme supplied by bacteroid) maintains the paradox of nodule metabolism: bacteroids need O₂ for ATP production (nitrogenase is highly energy-demanding: 16 ATP/N₂) but nitrogenase is irreversibly destroyed by O₂. Leghemoglobin buffers O₂ at ~10⁻⁸ M (vs atmospheric ~0.2 mM), supplying O₂ for respiration while keeping free O₂ below inhibitory levels — the pink nodule color indicates active BNF.

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Ability / HR / Governance / Special Education QUESTION #1887

Question 7895

Which court's powers are conferred on an Inquiry Officer/Committee under Rule 7(1) of GS E&D Rules 1973?

Sessions Court under CrPC 1898
Civil Court trying a suit under Code of Civil Procedure 1908✔️
High Court under its original jurisdiction
Special Tribunal under NAB Ordinance

Correct Answer Logic:

Rule 7(1) specifically grants Inquiry Officers/Committees the powers of a civil court trying a suit under the Code of Civil Procedure 1908 (Act V of 1908).

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Education QUESTION #6919

Question 7896

What does current research indicate about the long-term effectiveness of traditional punishment and exclusion as primary disciplinary tools?

They are the most effective long-term tools because they create strong deterrents
They provide short-lived relief but are largely ineffective in the long term and may worsen disruptive behavior over time✔️
They are effective for minor infractions but should be reserved for serious rule violations
Their effectiveness depends entirely on the consistency with which they are applied

Correct Answer Logic:

Educational research consistently demonstrates that punishment and exclusion provide only temporary behavioral suppression without addressing the underlying causes of misbehavior. Over time, reliance on these strategies can escalate behavioral problems, damage the student-teacher relationship, and increase alienation — the opposite of the social competence development that leads to genuine long-term behavioral improvement.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5708

Question 7897

Which component of the prescription contains the instructions to the pharmacist?

Superscription
Inscription
Subscription✔️
Transcription

Correct Answer Logic:

The subscription contains instructions regarding the dosage form and number of doses to be prepared.

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Library Sciences QUESTION #1558

Question 7898

In Dewey Decimal Classification (DDC), the notation '020' represents which major subject division?

Philosophy and Psychology
Computer Science, Information, and General Works
Library and Information Sciences✔️
Social Sciences

Correct Answer Logic:

In DDC, the 000 class covers Computer Science, Information, and General Works. Within this class, 020 specifically represents Library and Information Sciences — the class where books about librarianship, cataloguing, and information management are classified.

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Mathematics QUESTION #4165

Question 7899

Using Green's theorem, $\oint_C \vec{F} \cdot d\vec{r} = \iint_R \left(\frac{\partial Q}{\partial x} - \frac{\partial P}{\partial y}\right) dA$ where $\vec{F} = [\frac{1}{2}xy^4, \frac{1}{2}x^4y]$. For the rectangle $[0,3] \times [0,2]$, what is the value?

$6$
$12$
$18$✔️
$36$

Correct Answer Logic:

$\frac{\partial Q}{\partial x} = 2x^3y$, $\frac{\partial P}{\partial y} = 2xy^3$. So $\iint_R (2x^3y - 2xy^3) dA = \int_0^3\int_0^2 (2x^3y - 2xy^3) dy dx = 18$.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3032

Question 7900

'Effervescent Granules' release which gas when added to water?

Oxygen
Nitrogen
Carbon Dioxide✔️
Hydrogen

Correct Answer Logic:

Effervescent granules contain acids and carbonates that react in water to release $CO_2$.

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