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Civil Engineering QUESTION #2116

For a rectangular cross-section beam, the ratio of maximum shear stress to average shear stress is:

1.0
1.5✔️
2.0
1.33

Correct Answer Logic:

For a rectangular section of width $b$ and depth $d$: maximum shear stress occurs at the neutral axis $= \dfrac{3V}{2bd} = 1.5 \times \dfrac{V}{bd}$. Average shear stress $= \dfrac{V}{bd}$. Therefore ratio $= 1.5$. This is a fundamental result derived from the shear stress distribution formula $\tau = \dfrac{VQ}{Ib}$.

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Disaster Management QUESTION #6539

Question 1082

Which approach to DRR capacity building creates the most sustainable institutional expertise?

International consultant training
Establishing national Centers of Excellence, certification programs, and knowledge repositories with continuous professional development✔️
One-time degree programs
Online courses

Correct Answer Logic:

Sections 11.2 and 11.4 propose Centers of Excellence, certification programs, knowledge repositories, and continuous professional development. This creates institutional ecosystems for sustained learning, research, and expertise rather than dependence on external capacity.

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Civil / Architecture QUESTION #2370

Question 1083

In the context of Occupational Health and Safety (OHS), the Hierarchy of Controls for managing workplace hazards lists five levels in order of effectiveness. Which sequence is correct from MOST to LEAST effective?

Administrative controls → PPE → Substitution → Engineering controls → Elimination
Elimination → Substitution → Engineering controls → Administrative controls → PPE✔️
PPE → Administrative controls → Engineering controls → Substitution → Elimination
Engineering controls → Elimination → PPE → Substitution → Administrative controls

Correct Answer Logic:

The Hierarchy of Controls from most to least effective is: (1) Elimination — physically remove the hazard; (2) Substitution — replace the hazard with something safer; (3) Engineering controls — isolate people from the hazard (guards, ventilation); (4) Administrative controls — change the way people work (procedures, training, schedules); (5) PPE — protect the worker with personal protective equipment. PPE is the last resort as it does not remove the hazard.

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Biology Zoology Botany QUESTION #1345

Question 1084

__________ is an important intestinal fluke of large animals.

Fasciola hepatica
Nanophyteus✔️
Schistosoma
None of these

Correct Answer Logic:

Nanophyetus salmincola is a small intestinal fluke that parasitizes fish-eating mammals and is associated with salmon poisoning disease. However, among the common intestinal flukes of large animals (cattle, sheep), Fasciolopsis buski is the classic intestinal fluke. Among the given options, Nanophyteus is listed as an intestinal fluke. Fasciola hepatica is a liver fluke, and Schistosoma is a blood fluke.

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Chemistry QUESTION #1072

Question 1085

Out of the following complex compounds, which will have minimum conductance in solution?

$[\text{Co(NH}_3)_6]\text{Cl}_3$
$[\text{Co(NH}_3)_5\text{Cl}]\text{Cl}$
$[\text{Co(NH}_3)_3\text{Cl}_3]$✔️
$[\text{Co(NH}_3)_4\text{Cl}_2]\text{Cl}$

Correct Answer Logic:

$[\text{Co(NH}_3)_3\text{Cl}_3]$ is a non-electrolyte — all chlorides are inside the coordination sphere and no ions are released in solution. Minimum conductance means fewest ions in solution. This complex dissociates into 0 ions, giving minimum (zero) ionic conductance.

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Math Physics Chemistry Biology QUESTION #4289

Question 1086

The joints which cause rotational movements are:

Hinge
Ball and Socket✔️
Cartilage
Sutures

Correct Answer Logic:

Ball and socket joints (e.g., hip and shoulder) allow movement in multiple planes including rotation, giving the greatest range of motion of all joint types.

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Education QUESTION #6906

Question 1087

According to research on lighting and student learning cited in classroom management principles, which of the following is an evidence-based claim?

All students learn best in brightly lit classrooms; dim classrooms should be avoided
Lighting preferences vary among students; bright light can make some students restless and hyperactive, while others learn best in low light✔️
Fluorescent lighting has no impact on student attention or behavioral outcomes
Natural lighting is always superior to artificial lighting for learning outcomes

Correct Answer Logic:

Research in educational psychology and environmental design indicates that students respond differently to lighting intensity. Some learners are more focused and productive in low-light conditions, while others require bright environments. Importantly, excessive brightness can induce restlessness and hyperactivity in some students — meaning lighting should be considered a flexible management variable, not a fixed setting.

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Geography QUESTION #6338

Question 1088

'Friction of distance' in spatial interaction theory refers to:

Physical barriers like mountains impeding movement
Time, cost, and effort required to overcome distance deterring interaction✔️
Political boundaries restricting flow
Cultural differences reducing exchange

Correct Answer Logic:

Friction of distance is the restraining effect of distance on spatial interaction, measured by time, cost, and effort required to overcome separation. Greater friction = less interaction. Technology (better transport/communication) reduces friction, increasing interaction at given distances.

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Math Physics Chemistry Biology QUESTION #4203

Question 1089

Decreased level of FSH hormone during menstrual cycle triggers the release of:

hcg
LH✔️
Oxytocin
progesterone

Correct Answer Logic:

Decreased FSH during menstrual cycle triggers LH surge.

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Security Measures to Maintain Law and Order QUESTION #839

Question 1090

If an officer uses force in "Good Faith" to stop a riot at the terminal, they are protected under:

Section 7-A
Section 5
Section 12✔️
Section 10

Correct Answer Logic:

Section 12 (Indemnity) protects members from legal suits for acts done in good faith under the Act.

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Egnlish QUESTION #691

Question 1091

"Transcendentalism" emphasizes the importance of:

Tradition
Reason over intuition
Individual intuition✔️
None of these

Correct Answer Logic:

Figures like Emerson believed that individuals have divine intuition and should rely on themselves rather than social institutions.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3636

Question 1092

The term 'Biological Source' includes:

The Genus and Species only
The Genus, Species, Family, and Part used✔️
The price of the drug
The name of the farmer

Correct Answer Logic:

A complete biological source specifies the exact identity and the part of the plant.

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General Knowledge QUESTION #8607

Question 1093

In 1859, Sir Syed Ahmad Khan established a school where both Persian and English were taught. In which city was this school located?

Lucknow
Bijnaur
Muradabad
Aligarh✔️

Correct Answer Logic:

This school later became the foundation for Muhammadan Anglo-Oriental College, then Aligarh Muslim University.

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Chemistry QUESTION #7408

Question 1094

What is the electron gain enthalpy of Na⁺, given that the first ionisation energy of Na is 5.1 eV?

+0.2 eV
−5.1 eV✔️
−10.2 eV
+2.55 eV

Correct Answer Logic:

Key concept:
$\text{Na} \to \text{Na}^+ + e^-$: requires IE₁ = +5.1 eV (energy absorbed)

Electron gain enthalpy of Na⁺ is the reverse process:
$\text{Na}^+ + e^- \to \text{Na}$: releases the same energy

$\Delta_{\text{eg}}H(\text{Na}^+) = -5.1$ eV

This follows Hess's law — the reverse process has equal and opposite enthalpy.

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Mathematics QUESTION #6936

Question 1095

Find the count of natural numbers less than $7000$ that can be formed using the digits $0, 1, 3, 7, 9$ with repetition allowed.

374✔️
372
375
250

Correct Answer Logic:

1-digit: $1, 3, 7, 9$ (excluding 0) $= 4$

2-digit: First digit: 4 choices (1,3,7,9); second: 5 choices $= 4 \times 5 = 20$

3-digit: First digit: 4 choices; others: 5 each $= 4 \times 5 \times 5 = 100$

4-digit $< 7000$: First digit must be $1$ or $3$ (2 choices, since 7000 and above excluded — first digit can be 1, 3 only for $< 7000$; digits 7 and 9 give $\geq 7000$): $2 \times 5 \times 5 \times 5 = 250$

Total $= 4 + 20 + 100 + 250 = \mathbf{374}$

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5747

Question 1096

What is a 'Medication Profile' which is maintained by hospital pharmacists?

A list of hospital employees
A patient's drug history and current therapy record✔️
A brochure for surgical instruments
A map of the pharmacy layout

Correct Answer Logic:

A medication profile is a record of the patient's drug therapy.

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Physics QUESTION #410

Question 1097

Transverse waves cannot be setup in __________

Metals
Solids
Fluids✔️
Soil

Correct Answer Logic:

Fluids cannot support shear stress required for transverse waves

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Economics QUESTION #1712

Question 1098

Pakistan's water crisis is widely recognised as a compound problem with multiple reinforcing drivers. Which comprehensive assessment best captures the causality behind the country's deepening water stress?

Inefficient irrigation systems and poor canal maintenance leading to massive water losses
Rapid population growth and urbanisation expanding water demand beyond sustainable supply
Glacial retreat, erratic precipitation patterns, and rising temperatures from climate change
All of these✔️

Correct Answer Logic:

Pakistan's water scarcity is a multi-causal crisis: (1) Governance and infrastructure failures — the Indus Basin irrigation system loses an estimated 40% of water to seepage and evaporation; (2) Demand pressure — Pakistan's population growth (one of the highest in Asia) and urban expansion continuously expand water demand; (3) Climate change — accelerating glacial melt (short-term flood risk), long-term reduction in glacier-fed river flows, and shifting monsoon patterns all exacerbate supply-side constraints.

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English QUESTION #8298

Question 1099

Students are advised to write their names _______ ink.

Through
With
In✔️
By

Correct Answer Logic:

'In ink' is the standard phrase.

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English QUESTION #7872

Question 1100

Complete the analogy: Order is the law of civilization as chaos is the law of the ______.

City
Metropolis
Physician
Wilderness✔️

Correct Answer Logic:

This is a classic contrast: civilization represents order, while the wilderness (nature untamed) represents chaos. The phrase evokes the idea that human society creates order, whereas wild nature is chaotic.

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