Reading Mode - Questions

Chemistry QUESTION #450

Question 561

__________ hybridization leads to a regular tetrahedral structure.

sp?✔️
sp?
sp
All of these

Correct Answer Logic:

sp? hybridization gives tetrahedral geometry

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Architecture QUESTION #2353

Question 562

In LRFD design of steel tension members per AISC, the design strength for the fracture limit state (net section rupture) with $\phi_t = 0.75$ is:

$\phi_t P_n = 0.90 F_y A_g$
$\phi_t P_n = 0.75 F_u A_e$✔️
$\phi_t P_n = 0.85 F_y A_g$
$\phi_t P_n = 0.75 F_y A_e$

Correct Answer Logic:

For tension member fracture limit state: $\phi_t P_n = 0.75 F_u A_e$ where $F_u$ is the tensile strength, $A_e$ is the effective net area ($A_e = U \cdot A_n$, with $U$ being the shear lag factor), and $\phi_t = 0.75$. For yielding on the gross section: $\phi_t P_n = 0.90 F_y A_g$. The governing limit state is the lesser value.

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Statistics QUESTION #1989

Question 563

The number of permutations of 3 letters chosen from 4 distinct letters A, B, C, D is:

$4$
$12$
$24$✔️
$64$

Correct Answer Logic:

The number of permutations $= P(4,3) = \dfrac{4!}{(4-3)!} = \dfrac{24}{1} = 24$. This counts ordered arrangements. The number of combinations would be $C(4,3)=4$, but permutations account for all orderings of each combination (each set of 3 has $3! = 6$ arrangements, so $4 \times 6 = 24$).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3291

Question 564

'Fermentation' is a metabolic process that produces energy (ATP) in the:

Presence of high oxygen
Absence of oxygen (Anaerobic)✔️
Presence of sunlight
Presence of antibiotics

Correct Answer Logic:

Fermentation allows cells to regenerate $NAD^+$ for glycolysis without an electron transport chain.

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Urdu QUESTION #5182

Question 565

وہ فعل جس میں موجود زمانے کے متعلق بتایا جائے اور آئندہ مستقبل کا ہونا معلوم ہو، کیا کہلاتا ہے؟

فعلِ ماضی
فعلِ مضارع✔️
فعلِ حال
فعلِ امر

Correct Answer Logic:

فعلِ مضارع وہ فعل ہے جس میں حال اور مستقبل دونوں کے معنی نکلتے ہوں۔

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Reading and Writing (Module-1) QUESTION #5356

Question 566

Literary theorists often separate 'fabula' (story content) from 'syuzhet' (how the story is told). For instance, in The Godfather Part II, the fabula is the Corleone family history, while the syuzhet is the back-and-forth timeline structure. However, Mikhail Bakhtin argued these two terms aren't enough to describe a narrative, as they ignore the complex meaning created between the artist, the work, and the viewers. Which choice best states the main idea of the text?

Literary theorist Mikhail Bakhtin argued that there are important characteristics of narratives that are not fully encompassed by two concepts that other theorists have used to analyze narratives.✔️
Literary theorist Mikhail Bakhtin claimed that meaning is not inherent in a narrative but is created when an audience encounters a narrative so that narratives are interpreted differently by different people.
The storytelling methods used in The Godfather Part II may seem unusually complicated, but they can be easily understood when two concepts from literary theory are utilized.
Narratives that are told out of chronological order are more difficult for audiences to understand than are narratives presented chronologically.

Correct Answer Logic:

The main point is Bakhtin's critique that the existing concepts of fabula and syuzhet are 'insufficient' to describe narratives fully.

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Administration QUESTION #2941

Question 567

In marketing, the process of "Market Segmentation" involves:

Selling the exact same product to every possible customer
Dividing a broad market into distinct groups based on shared characteristics✔️
Increasing the total price of products to maximize profit margins
None of these

Correct Answer Logic:

Segmentation allows businesses to target specific groups (demographic, geographic, etc.) with tailored marketing strategies.

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Pakistan Affairs QUESTION #136

Question 568

Pakistan conducted its nuclear tests in Chaghi in:

1998✔️
1997
1999
1996

Correct Answer Logic:

Pakistan conducted five simultaneous underground nuclear tests at Ras Koh Hills in the Chagai District on May 28, 1998.

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Tourism & Hospitality Management QUESTION #1653

Question 569

The Destination Branding course covers the 'branding process' for tourism destinations. Which of the following correctly sequences the key stages of destination brand development as identified in the curriculum?

Logo design → Slogan creation → Social media launch → Press conference
Destination audit → Segmentation analysis → Consumer perception research → Competitor analysis → Brand building → Applying brand guidelines → Managing and tracking the brand✔️
Market research → Price setting → Distribution → Promotion
Visitor survey → Government approval → Budget allocation → Staff training

Correct Answer Logic:

The Destination Branding course (Module 2) identifies the destination branding process as: Destination audit, Segmentation analysis, Consumer perception research, Competitor analysis, Brand building process and models (understanding visitor vs non-visitor), Brand architecture, and addressing Challenges — followed by Module 3 (bringing the brand to life: guidelines, logo, slogans) and Module 4 (managing and tracking the brand).

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Boilers Mechanical Engineering QUESTION #3991

Question 570

The 'Feed Check Valve' is used to:

Control the flow of fuel
Prevent the backflow of water from the boiler to the pump✔️
Check the quality of steam
Release air from the drum

Correct Answer Logic:

It is a non-return valve that allows water into the boiler but stops it from flowing back if the pump fails.

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Physics QUESTION #1042

Question 571

To an AC supply of 220 V at 50 Hz: $R=20\ \Omega$, capacitive reactance $X_C=25\ \Omega$, inductive reactance $X_L=45\ \Omega$. Current and phase angle are:

15.6 A and 30°
15.6 A and 45°
7.8 A and 30°
7.8 A and 45°✔️

Correct Answer Logic:

Impedance: $Z=\sqrt{R^2+(X_L-X_C)^2}=\sqrt{400+(45-25)^2}=\sqrt{400+400}=\sqrt{800}=20\sqrt{2}\ \Omega$. Current $=\frac{220}{20\sqrt{2}}=\frac{220}{28.28}\approx7.78\ \text{A}\approx7.8\ \text{A}$. Phase angle: $\tan\phi=\frac{X_L-X_C}{R}=\frac{20}{20}=1\Rightarrow\phi=45°$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3552

Question 572

A drug that kills or expels intestinal worms is called an:

Antipyretic
Anthelmintic✔️
Analgesic
Antiemetic

Correct Answer Logic:

Drugs like Santonin are anthelmintics.

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Mathematics QUESTION #1256

Question 573

Let $N$ be a normal subgroup of $G$ and $H$ a subgroup of $G$. Which of the following is a subgroup of $G$?

$N \cap H$
$N \cup H$
$NH = \{nh : n\in N, h\in H\}$
Both (A) and (C)✔️

Correct Answer Logic:

Both $N\cap H$ (intersection of subgroups) and $NH$ (product set when $N$ is normal) are subgroups of $G$. The union $N\cup H$ is generally NOT a subgroup. Since the question asks which one from the listed options forms a subgroup, and option (D) correctly identifies both valid subgroup constructions, (D) is the complete answer.

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Biomedical Sciences QUESTION #3802

Question 574

Which cardiac valves specifically prevent blood from flowing back into the ventricular chambers after systole?

Valves in the veins
Atrio-ventricular valves
Pericardium
Aortic and pulmonary valves✔️

Correct Answer Logic:

The aortic and pulmonary semilunar valves prevent backflow of blood from the aorta and pulmonary artery into the left and right ventricles respectively.

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Islamic Studies QUESTION #219

Question 575

Which architectural marvel was commissioned during the Umayyad rule?

The Alhamra
The Great Mosque of Damascus✔️
The Hagia Sophia
None of these

Correct Answer Logic:

The Umayyad Mosque in Damascus is a masterpiece of early Islamic architecture.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2974

Question 576

Clinical Pharmacy primarily focuses on:

Large-scale drug manufacturing
Patient-oriented medication therapy✔️
Agricultural drug development
Synthesis of new chemicals

Correct Answer Logic:

Clinical pharmacy shifts the focus from the product to the patient, ensuring rational and safe use of medication.

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Library Sciences QUESTION #1539

Question 577

In library staffing, 'job analysis' is best defined as:

The process of advertising a vacant position
A systematic process of collecting information about the duties, responsibilities, skills, and context of a job✔️
A performance appraisal method
A technique for scheduling staff shifts

Correct Answer Logic:

Job analysis is a systematic process of gathering detailed information about a position — its tasks, responsibilities, required knowledge, skills, and working conditions. It forms the foundation for writing job descriptions, recruiting, training, and performance evaluation in library management.

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The Title 28 of the United States Code QUESTION #3756

Question 578

A homeowner sells their house but does not record the deed. A week later, the same homeowner sells the house again to a different buyer who knows nothing about the first sale and records their deed immediately. In a 'Notice' jurisdiction, who owns the house?

The first buyer.
The second buyer.✔️
They share it.
The original owner.

Correct Answer Logic:

In a 'Notice' jurisdiction, a subsequent bona fide purchaser (BFP) who takes without notice of the prior unrecorded interest wins, regardless of whether they record first (though recording is still wise).

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