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Chemistry QUESTION #1417

Multilayer adsorption
Uniform surface without interactions between adsorbed molecules✔️
Gas behaves as ideal
None of these

Correct Answer Logic:

The Langmuir adsorption isotherm is based on key assumptions: (1) monolayer adsorption only, (2) the surface is uniform with equivalent adsorption sites, (3) there are no interactions between adsorbed molecules, and (4) each site can hold only one adsorbate molecule. Multilayer adsorption is described by the BET isotherm, not Langmuir.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3470

Question 8482

The enzyme that 'Unwinds' the DNA double helix during replication is:

Polymerase
Ligase
Helicase✔️
Protease

Correct Answer Logic:

Helicase 'unzips' the genes.

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English Literature QUESTION #708

Question 8483

In "Long Day's Journey into Night," the fog symbolizes:

Hope
Clarity
Escape from reality✔️
Future

Correct Answer Logic:

The fog represents Mary Tyrone's withdrawal into her morphine addiction and the family's inability to see the truth.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5737

Question 8484

In 'Communicable Disease Control (CDC)', what is the simplest method of controlling a disease by 'Controlling the Reservoir'?

Improving the hospital lighting
Early diagnosis or isolation of the infected person✔️
Giving a patient a walker
Changing the pharmacy layout

Correct Answer Logic:

Elimination of the reservoir through isolation is the simplest method.

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English QUESTION #7875

Question 8485

A person who sells goods and services is called a:

Consumer
Purchaser
Patron
Vendor✔️

Correct Answer Logic:

A 'vendor' is someone who sells goods or services. A 'consumer' or 'purchaser' buys them. A 'patron' is a regular customer or financial supporter.

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English QUESTION #8552

Question 8486

We _______ waiting here for two hours.

have been✔️
has been
are
were

Correct Answer Logic:

'Have been waiting' is present perfect continuous.

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Accounting & Finance QUESTION #6057

Question 8487

A company currently has a current ratio greater than 1. If it makes a credit purchase of inventory, what will happen to the current ratio?

Current ratio will increase
Current ratio will decrease but remain above 1
Current ratio will decrease✔️
Current ratio will remain unchanged

Correct Answer Logic:

A credit purchase of inventory increases both current assets (inventory goes up) and current liabilities (accounts payable goes up) by the same amount. When the ratio is $> 1$, adding equal amounts to both numerator and denominator brings the ratio closer to 1 — i.e., it decreases. For example, if CA $= 200$ and CL $= 100$ (ratio $= 2$), adding 50 to each gives $250/150 \approx 1.67$ — lower but still above 1. So the ratio decreases but stays above 1.

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Math Physics Chemistry Biology QUESTION #4269

Question 8488

The $9:3:3:1$ ratio of the law of independent assortment can be affected by:

Genetic drift
Small population
Gene linkage✔️
Gene duplication

Correct Answer Logic:

Gene linkage occurs when two genes are on the same chromosome, so they do not assort independently, disrupting the expected $9:3:3:1$ dihybrid ratio.

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Adult Health [Medicine and Surgery] QUESTION #3919

Question 8489

A 22-year-old woman complains of chronic fatigue and heavy menstrual periods. Lab results show $ ext{Hb } 90 ext{ g/L}$ and $ ext{MCV } 70 ext{ fL}$. Which of the following is the most likely cause of her anemia?

Iron deficiency anemia✔️
Beta-thalassemia trait
Sideroblastic anemia
Anemia of chronic disease

Correct Answer Logic:

No explanation provided for this question.

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Boilers Mechanical Engineering QUESTION #4021

Question 8490

'Carryover' is a term used when:

The operator leaves the shift
Chemicals, solids, or water enter the steam line from the drum✔️
The boiler is moved to another site
The fuel tank is full

Correct Answer Logic:

Carryover can lead to scaling in superheaters and damage to turbine blades.

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Electronics Engineering QUESTION #11710

Question 8491

An RF transmission line has a characteristic impedance of $Z_0 = 50\,\Omega$. A load impedance $Z_L = 25\,\Omega$ is connected. The reflection coefficient $\Gamma$ and VSWR are:

$\Gamma = -0.33$, $\text{VSWR} = 2.0$✔️
$\Gamma = +0.33$, $\text{VSWR} = 2.0$
$\Gamma = -0.50$, $\text{VSWR} = 3.0$
$\Gamma = 0$, $\text{VSWR} = 1.0$

Correct Answer Logic:

$\Gamma = \dfrac{Z_L - Z_0}{Z_L + Z_0} = \dfrac{25 - 50}{25 + 50} = \dfrac{-25}{75} = \mathbf{-0.333}$. $\text{VSWR} = \dfrac{1+|\Gamma|}{1-|\Gamma|} = \dfrac{1.333}{0.667} = \mathbf{2.0}$. The negative $\Gamma$ indicates the load is resistive and lower than $Z_0$, causing a phase reversal of the reflected wave.

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Quantitative Reasoning QUESTION #8135

Question 8492

Given the overwhelming flood of information delivered by the mass media, the only practical way to stay current with the news is to rely on _______ accounts.

synoptic✔️
sensational
copious
lurid

Correct Answer Logic:

With too much information available, one needs condensed coverage. Synoptic means providing a brief general overview — exactly what's needed. 'Abridged' is the synonym pair in the original. 'Sensational' means exaggerated/dramatic. 'Copious' means abundant — which would make the flood of information worse. 'Lurid' means shocking/graphic.

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Nursing QUESTION #9236

Question 8493

Which scoring system is used to assess severity of illness and predict ICU mortality using physiological variables collected within the first 24 hours of ICU admission?

Glasgow Coma Scale (GCS)
SOFA Score
APACHE II Score✔️
CURB-65

Correct Answer Logic:

Correct Answer: C — APACHE II Score

ICU Severity Scoring Systems:

Score	Full Name	Use
APACHE II	Acute Physiology and Chronic Health Evaluation II	ICU mortality prediction (first 24h data)
SOFA	Sequential Organ Failure Assessment	Organ failure tracking, sepsis diagnosis
SAPS II	Simplified Acute Physiology Score II	ICU outcome prediction
CURB-65	—	Pneumonia severity (community setting)
GCS	Glasgow Coma Scale	Neurological status, not general ICU severity

APACHE II uses 12 physiological variables (temperature, MAP, HR, RR, oxygenation, pH, Na$^+$, K$^+$, creatinine, hematocrit, WBC, GCS) + age + chronic health points. Maximum score = 71; higher score = higher predicted mortality.

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Reading and Writing (Module-1) QUESTION #5370

Question 8494

American abstract artist Richard ______, who designs his installations to make people aware of how their movement is influenced by their environment, constructs massive steel sculptures that take over outdoor areas. Which choice completes the text so that it conforms to the conventions of Standard English?

Serra is intending
Serra, intends
Serra, intending
Serra intends✔️

Correct Answer Logic:

The name 'Richard Serra' is the subject, and 'intends' is the main verb of the sentence.

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Mathematics QUESTION #1263

Question 8495

Using the epsilon-delta definition, $\lim_{x\to 2}\dfrac{x^3-4}{x^2+1}$ equals:

$\dfrac{2}{5}$
$\dfrac{4}{5}$✔️
$\dfrac{8}{5}$
$1$

Correct Answer Logic:

Direct substitution: $\dfrac{(2)^3-4}{(2)^2+1}=\dfrac{8-4}{4+1}=\dfrac{4}{5}$. The function is continuous at $x=2$, so the limit equals the function value.

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Psychology QUESTION #9836

Question 8496

Which of the following is NOT a law of perceptual grouping?

Proximity
Similarity
Constancy✔️
Continuation

Correct Answer Logic:

The Gestalt laws of grouping include proximity, similarity, continuation, closure, and common fate. Constancy (perceiving objects as stable despite changing sensory input) is a perceptual phenomenon, not a law of grouping.

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CISA QUESTION #6833

Question 8497

An auditor reviews a service level agreement between an organization and its cloud service provider. The SLA contains detailed uptime guarantees but no provisions for data ownership, data destruction procedures, or right to audit. What is the MOST significant omission?

Incomplete performance metrics
Lack of data governance and audit rights creates unmanageable risk✔️
Insufficient technical specifications
Limited scope

Correct Answer Logic:

While uptime is important, fundamental issues of data ownership, secure data destruction, and audit rights are critical for risk management and compliance. Without these provisions, the organization cannot verify security controls, ensure data is properly destroyed when the relationship ends, or establish clear ownership rights.

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Math Physics Chemistry Biology QUESTION #11395

Question 8498

Which of the following is an example of a joint called suture?

Micropodial disc
Pelvis
Elbow
Skull✔️

Correct Answer Logic:

Sutures are fibrous, immovable (synarthrosis) joints found exclusively in the skull. The bones of the adult skull are tightly interlocked by irregular, jagged suture lines (e.g., coronal, sagittal, lambdoid sutures). They allow no movement and provide a rigid, protective casing for the brain.

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Political Science QUESTION #6659

Question 8499

Who authored the famous political treatise 'The Republic'?

Aristotle
Plato✔️
Socrates
None of these

Correct Answer Logic:

Plato's 'The Republic' explores justice and the concept of the Philosopher King.

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Security Measures to Maintain Law and Order QUESTION #7666

Question 8500

What is a common weakness in physical security plans?

Use of metal detectors
Lack of trained security personnel✔️
Over-reliance on CCTV
None of these

Correct Answer Logic:

While technology like CCTV and metal detectors are important, the most common weakness in physical security plans is the lack of properly trained security personnel. Human factors, including inadequate training, awareness, and response capabilities, often represent the weakest link in security systems.

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