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Physics and Math QUESTION #777

The probability of numbers greater than 4 by throwing a dice is:

$\dfrac{1}{3}$✔️
3
$\dfrac{4}{3}$
$\dfrac{2}{3}$

Correct Answer Logic:

Numbers greater than 4 on a dice: {5, 6} → 2 outcomes out of 6. Probability $= \dfrac{2}{6} = \dfrac{1}{3}$.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5727

Question 2

A patient requires an $IUD$ for family planning. According to the effectiveness table, what is the reported effectiveness and duration of this method?

$95\%$, $1$ month
$96\%$, $1-10$ years✔️
$86\%$, $1$ week
$99\%$, $3$ months

Correct Answer Logic:

The text states IUDs are $96\%$ effective and last $1-10$ years.

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Education QUESTION #6747

Question 3

A teacher uses weekly quizzes and classroom observations to adjust her teaching strategies mid-semester. A colleague argues this is not "real" assessment because no grades are assigned. Which argument best supports the teacher's approach?

Assessment requires grading; without it the process lacks accountability
The teacher is conducting formative assessment whose primary purpose is process improvement, not certification✔️
This qualifies only as measurement, not assessment, since no value judgment is made
Classroom observation is not a valid assessment tool and should be replaced with written tests

Correct Answer Logic:

Formative assessment is defined by its purpose — to improve the teaching-learning process through ongoing feedback — not by whether grades are assigned. Grades are a hallmark of summative assessment. Measurement generates data; assessment uses that data to enhance instruction. Observation is a recognized tool of formative assessment.

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Pakistan Affairs QUESTION #9085

Question 4

SECP (Securities and Exchange Commission of Pakistan) is the regulatory authority of:

Stock market✔️
NGOs
Media business
Import and export

Correct Answer Logic:

SECP regulates the capital markets in Pakistan.

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Urdu QUESTION #5153

Question 5

'نثار میں تیری گلیوں کے اے وطن کہ جہاں' یہ شعر کس کا ہے؟

علامہ اقبال
احمد فراز
فیض احمد فیض✔️
حبیب جالب

Correct Answer Logic:

نثار میں تیری گلیوں کے اے وطن کہ جہاں، یہ مشہور نظم فیض احمد فیض کی ہے۔

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Law QUESTION #9478

Question 6

A plaintiff whose suit for declaration of title has been fully dismissed on merits files a second suit seeking possession of the same property against the same defendant, arguing that the cause of action in the second suit (possession) is different from that in the first (title). Is this second suit maintainable?

Yes; the cause of action is different since the reliefs claimed differ
Yes; res judicata only applies to identical suits
No; the matter of title being directly and substantially in issue in the first suit, which was heard and finally decided, operates as res judicata on the second suit✔️
No; the second suit is barred only if it is filed in the same Court

Correct Answer Logic:

Section 11 CPC and Explanation IV together provide that any matter which might and ought to have been made ground of attack in the former suit shall be deemed to have been directly and substantially in issue. Since possession depends on title, which was conclusively decided against the plaintiff, the second suit is barred by res judicata.

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Math Physics Chemistry Biology QUESTION #519

Question 7

Sharks and rays are included in class:

Cyclostomata
Chondrichthyes✔️
Osteichthyes
Tetrapoda

Correct Answer Logic:

Sharks and rays are cartilaginous fish (Chondrichthyes)

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Civil Engineering QUESTION #6602

Question 8

The minimum longitudinal steel percentage permitted in reinforced concrete columns per ACI 318 is:

1%✔️
2%
4%
8%

Correct Answer Logic:

ACI 318 specifies the minimum longitudinal reinforcement ratio for columns as $\rho_{min} = 0.01$ (1%) and the maximum as $\rho_{max} = 0.08$ (8%) of the gross cross-sectional area $A_g$.

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Library Sciences QUESTION #1498

Question 9

Which encoding standard is most widely used for communicating bibliographic data between library systems?

Dublin Core
EAD
MARC 21✔️
TEI

Correct Answer Logic:

MARC 21 (Machine-Readable Cataloguing) is the dominant encoding standard used by libraries worldwide for structuring and exchanging bibliographic records in automated library systems.

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English QUESTION #7879

Question 10

Choose the correct sentence:

My father was talking to his friend on mobile phone when I fall from the bicycle.
My father is talking to his friend on mobile phone when I fall from the bicycle.
My father was talking to his friend on mobile phone when I fell from the bicycle.✔️
My father was talking to his friend on mobile phone when I am falling from the bicycle.

Correct Answer Logic:

This sentence correctly uses past continuous ('was talking') for the ongoing action and simple past ('fell') for the interrupting action. The tenses are consistent in the past.

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Physics QUESTION #7066

Question 11

A cube of maximum possible volume is cut from a solid sphere of mass $M$ and radius $R$. Find the moment of inertia of this cube about an axis that passes through its center and is perpendicular to one of its faces.

$\frac{MR^2}{32\sqrt{2}\pi}$
$\frac{MR^2}{16\sqrt{2}\pi}$
$\frac{4 MR^2}{9\sqrt{3}\pi}$✔️
$\frac{4 MR^2}{3\sqrt{3}\pi}$

Correct Answer Logic:

1. Find Cube Side ($a$): The body diagonal of the cube equals the diameter of the sphere. $\sqrt{3}a = 2R \implies a = \frac{2R}{\sqrt{3}}$.

2. Find Cube Mass ($m$): Density $\rho = \frac{M}{\frac{4}{3}\pi R^3}$. Mass of cube $m = \rho \times a^3 = \left(\frac{3M}{4\pi R^3}\right) \times \left(\frac{8R^3}{3\sqrt{3}}\right) = \frac{2M}{\pi \sqrt{3}}$.

3. Moment of Inertia ($I$): For a cube about the center-face axis, $I = \frac{ma^2}{6}$.
$I = \frac{1}{6} \left( \frac{2M}{\pi \sqrt{3}} \right) \left( \frac{4R^2}{3} \right) = \frac{8MR^2}{18\pi \sqrt{3}} = \frac{4MR^2}{9\sqrt{3}\pi}$.

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General Ability and Fire Fighting QUESTION #5596

Question 12

Which fire class involves live electrical equipment?

Class A
Class C✔️
Class D
Class K

Correct Answer Logic:

Class C fires involve live electrical equipment. CO2 and dry chemical extinguishers are used because they are non-conductive and will not cause electric shock.

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Law QUESTION #9688

Question 13

Article 48 on entries in books of account — such entries are relevant whenever they refer to a matter under Court inquiry, but:

They are sufficient alone to charge liability
They shall not alone be sufficient evidence to charge any person with liability✔️
They are only admissible with corroborating documents
They must be attested by an auditor

Correct Answer Logic:

Article 48 expressly states that such entries are relevant whenever they refer to a matter under Court inquiry but 'such statements shall not alone be sufficient evidence to charge any person with liability.'

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General Knowledge QUESTION #2603

Question 14

Which of the following scenarios BEST illustrates the 'Digital Divide' in a workplace?

Two employees using different brands of computers
Senior management using advanced data analytics tools while junior clerical staff cannot use basic email or spreadsheets✔️
A computer running Windows instead of Linux
An office with fast internet versus a branch with slow internet

Correct Answer Logic:

The digital divide is the growing skills gap between people with and without digital literacy skills. When senior staff use advanced tools while junior staff cannot even use basic email, this represents a clear digital divide — a gap in digital literacy and access within the same organization.

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CISA QUESTION #1746

Question 15

What term describes the decentralized control approach that allows individuals to make decisions based on their own judgment?

Executive
Discretionary✔️
Detailed
Mandatory

Correct Answer Logic:

Discretionary control is a decentralized method where someone makes decisions based on their own assessment rather than a formal centralized authority. Auditors should investigate who makes decisions and how, as this is often where control failures are found.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3048

Question 16

A 'Chemical Incompatibility' results from:

Improper dosing
A reaction like oxidation, reduction, or acid-base reaction✔️
A change in the container material
The drug tasting bad

Correct Answer Logic:

Chemical incompatibility occurs when a chemical reaction takes place between the ingredients.

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Agronomy QUESTION #2096

Question 17

The nitrogen cycle in agricultural soils involves multiple transformation processes. Which sequence correctly represents the pathway of urea fertilizer nitrogen from soil application to crop uptake?

Urea → Denitrification → $N_2O$ → Plant uptake
Urea → Hydrolysis ($NH_4^+$ via urease) → Nitrification ($NO_3^-$ via Nitrosomonas/Nitrobacter) → Plant uptake or leaching/denitrification losses✔️
Urea → Direct uptake as intact molecule → Hydrolysis inside root cells
Urea → Volatilization as $NH_3$ → Redeposition → $NO_3^-$ formation → Plant uptake

Correct Answer Logic:

Urea undergoes rapid hydrolysis by the soil enzyme urease: $CO(NH_2)_2 + H_2O \rightarrow 2NH_3 + CO_2$, producing $NH_4^+$ in soil solution. Nitrification then converts $NH_4^+ \rightarrow NO_2^- \rightarrow NO_3^-$ (Nitrosomonas, Nitrobacter). $NO_3^-$ is mobile and plant-available but vulnerable to leaching and denitrification. This sequence explains why urease and nitrification inhibitors improve N efficiency.

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Psychology QUESTION #9730

Question 18

Which aspect of test quality refers to the consistency of a measurement instrument, i.e., the degree to which it produces the same results under the same conditions?

Validity
Standardization
Reliability✔️
Item discrimination

Correct Answer Logic:

Reliability refers to the consistency and stability of a psychological test. A reliable test yields the same (or very similar) scores each time it is administered to the same person under similar conditions. Types include test-retest reliability, inter-rater reliability, and internal consistency (e.g., Cronbach's alpha). Reliability is a necessary but not sufficient condition for validity.

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