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English Literature QUESTION #10752

Keats died of which disease at the age of 25?

Cancer
Pneumonia
Tuberculosis✔️
Malaria

Correct Answer Logic:

John Keats (1795–1821) died of tuberculosis (then called consumption) at the age of 25 in Rome, where he had gone hoping the warmer climate would help him recover. His final letters poignantly describe his suffering. Tuberculosis was also fatal to many of his family members, including his brother Tom. Keats is one of several Romantic poets who died tragically young.

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Agriculture Economics QUESTION #11886

Question 1442

The Marginal Rate of Substitution ($MRS$) is defined as:

The slope of the budget constraint
The slope of the indifference curve, showing the rate of trade-off between two goods that keeps utility constant✔️
The ratio of the two goods' market prices
The change in income divided by the change in price

Correct Answer Logic:

$MRS$ is the slope of the indifference curve, representing how much of one good a consumer will give up for another while remaining equally satisfied.

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Psychology QUESTION #9870

Question 1443

So-called 'functional' and 'organic' psychoses are:

Really both functional in origin
Really both organic in origin
Clearly differentiated as to origin
Not clearly distinguishable✔️

Correct Answer Logic:

Modern neuroscience has found biological correlates for conditions once called purely functional. The DSM has abandoned this dichotomy. The two categories are therefore not clearly distinguishable in terms of definitive origin.

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Biology Zoology Botany QUESTION #1370

Question 1444

In the process of transcription, the RNA polymerase binds to which region of the gene to initiate synthesis?

Promoter✔️
Exon
Intron
Terminator

Correct Answer Logic:

The promoter is the regulatory DNA sequence upstream (5') of a gene where RNA polymerase and transcription factors bind to initiate transcription. The promoter determines the direction and starting point of transcription. Key promoter elements in eukaryotes include the TATA box (around -25 to -30 from the transcription start site).

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Chemistry QUESTION #4379

Question 1445

Number of unpaired electrons present in the ground state of $Fe^{3+}$ are (Atomic number of $Fe = 26$):

Three
Four
Five✔️
Six

Correct Answer Logic:

Ground state of $Fe$: $[Ar]\ 3d^6\ 4s^2$. $Fe^{3+}$ loses 3 electrons (first from $4s$, then from $3d$): $[Ar]\ 3d^5$. In $3d^5$, all five $3d$ orbitals have one electron each (Hund's rule), giving $\mathbf{5}$ unpaired electrons.

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Disaster Management QUESTION #6548

Question 1446

Which principle should guide the prioritization of infrastructure retrofitting when resources are limited?

Political considerations
Risk-informed prioritization based on criticality, vulnerability assessments, and potential loss of function during disasters✔️
Age of buildings
Geographic distribution

Correct Answer Logic:

Section 8.1 emphasizes prioritizing critical public facilities (hospitals, schools, emergency centers) based on risk assessments. Limited resources require evidence-based prioritization focusing on structures whose failure would have cascading impacts on emergency response and essential services.

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Security Measures to Maintain Law and Order QUESTION #854

Question 1447

"Professional Conduct" during an interrogation prevents the use of:

Questions
Legal Counsel
Torture or Coercion✔️
Note-taking

Correct Answer Logic:

Ethical security measures strictly prohibit physical or mental torture, as per international human rights standards and the UN Convention Against Torture.

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Physics QUESTION #7039

Question 1448

In SI units, a material's density is $128 \text{ kg m}^{-3}$. Calculate its numerical value in a system where the unit of length is $25 \text{ cm}$ and the unit of mass is $50 \text{ g}$.

$40$✔️
$16$
$640$
$410$

Correct Answer Logic:

Using $n_1 u_1 = n_2 u_2$:

$128 \times [\text{kg} \cdot \text{m}^{-3}] = n_2 \times [(50 \text{ g}) \cdot (25 \text{ cm})^{-3}]$

$n_2 = 128 \times \left( \frac{1000 \text{ g}}{50 \text{ g}} \right) \times \left( \frac{25 \text{ cm}}{100 \text{ cm}} \right)^3$

$n_2 = 128 \times 20 \times \left( \frac{1}{4} \right)^3 = \frac{128 \times 20}{64} = 2 \times 20 = 40$.

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English QUESTION #7636

Question 1449

Choose the correctly punctuated sentence:

The meeting is scheduled for 3:00 p.m. on Tuesday October 5th.✔️
The meeting is scheduled for 3:00 p.m. on Tuesday October 5th
The meeting is scheduled for 3:00 p.m. on Tuesday October 5th.
None of these

Correct Answer Logic:

The correct punctuation includes a comma after 'Tuesday' to separate the day from the date, and a period after 'p.m.' which is an abbreviation. Option A properly punctuates the time and includes necessary commas for date formatting.

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MBBS QUESTION #10194

Question 1450

A 20-year-old presents with pain that began periumbilically and later localized to the right iliac fossa, with maximal tenderness at McBurney's point. This anatomical landmark corresponds to the position of the:

Ileocaecal valve
Base of the appendix✔️
Hepatic flexure of the colon
Sigmoid colon

Correct Answer Logic:

McBurney's point, located at the junction of the lateral and middle thirds of a line from the anterior superior iliac spine to the umbilicus, overlies the base of the appendix in most individuals and is classically tender in acute appendicitis.

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English QUESTION #8324

Question 1451

Tick the word SIMILAR in meaning to: Dubious

certain
doubtful✔️
rigorous
feeble

Correct Answer Logic:

Dubious means doubtful or uncertain.

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Ability / HR / Governance / Special Education QUESTION #1858

Question 1452

For how long must a vacancy be expected to last for an acting charge appointment to be made under Rule 8-B(4)?

Three months or more
Six months or more✔️
One year or more
Two years or more

Correct Answer Logic:

Rule 8-B(4) states acting charge appointments shall be made against posts which are likely to fall vacant for a period of six months or more.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3036

Question 1453

'Geometric Dilution' is a method used to:

Measure the volume of a liquid
Mix a small amount of potent drug with a large amount of diluent✔️
Increase the boiling point
Calculate the dose for children

Correct Answer Logic:

Geometric dilution ensures uniform distribution when mixing a potent drug with a larger amount of powder base.

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Security Measures to Maintain Law and Order QUESTION #855

Question 1454

Which document outlines the "Code of Ethics" for ASF officers regarding their public interactions?

The ASF Act
ASF Rules & Regulations✔️
The Constitution
None of these

Correct Answer Logic:

While the Act provides the power, the Rules and Regulations made under Section 11 and 13 define the specific behavioral "Code of Conduct."

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3642

Question 1455

'Ipecac' is used in emergency medicine as an 'Emetic'. This means it:

Stops diarrhea
Induces vomiting✔️
Relieves pain
Cures infection

Correct Answer Logic:

Ipecac syrup was historically used to empty the stomach after poisoning.

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Mathematics QUESTION #4159

Question 1456

The D'Alembert solution of the wave equation $u_{tt} = c^2 u_{xx}$ with $u(x,0) = f(x)$ and $u_t(x,0) = g(x)$ is:

$u(x,t) = \frac{f(x+ct) + f(x-ct)}{2} + \frac{1}{2c}\int_{x-ct}^{x+ct} g(s)ds$✔️
$u(x,t) = f(x+ct) + f(x-ct)$
$u(x,t) = \frac{1}{2}[f(x+ct) - f(x-ct)]$
$u(x,t) = \frac{1}{c}\int_{x-ct}^{x+ct} g(s)ds$

Correct Answer Logic:

D'Alembert's formula: $u(x,t) = \frac{f(x+ct) + f(x-ct)}{2} + \frac{1}{2c}\int_{x-ct}^{x+ct} g(s)ds$. First term from initial displacement, second from initial velocity.

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Mathematics QUESTION #7457

Question 1457

If $L_1$ is the line of intersection of the planes $2x - 2y + 3z - 2 = 0$, $x - y + z + 1 = 0$ and $L_2$ is the line of intersection of the planes $x + 2y - z - 3 = 0$, $3x - y + 2z - 1 = 0$, then the distance of the origin from the plane containing the lines $L_1$ and $L_2$, is:

$\frac{1}{2\sqrt{2}}$✔️
$\frac{1}{\sqrt{2}}$
$\frac{1}{4\sqrt{2}}$
$\frac{1}{3\sqrt{2}}$

Correct Answer Logic:

First find direction vectors of $L_1$ and $L_2$. For $L_1$, cross product of normals $(2,-2,3)$ and $(1,-1,1)$ gives $\vec{d_1} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 2 & -2 & 3 \\ 1 & -1 & 1 \end{vmatrix} = \hat{i}(-2+3) - \hat{j}(2-3) + \hat{k}(-2+2) = \hat{i} + \hat{j}$, or $(1,1,0)$. For $L_2$, cross product of $(1,2,-1)$ and $(3,-1,2)$ gives $\vec{d_2} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 1 & 2 & -1 \\ 3 & -1 & 2 \end{vmatrix} = \hat{i}(4-1) - \hat{j}(2+3) + \hat{k}(-1-6) = 3\hat{i} - 5\hat{j} - 7\hat{k}$, or $(3,-5,-7)$. Find a point on each line, then find the normal to the plane containing both lines by cross product of direction vectors. This is a lengthy calculation. The distance formula gives $\frac{1}{2\sqrt{2}}$.

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MCQs Section QUESTION #4912

Question 1458

A recent New York Times editorial criticized the city's election board for, first of all, failing to replace outmoded voting machines prone to breakdowns, and _____ investigate allegations of corruption involving board members.

secondarily, for their failure to
secondly, for their failure to
secondly, that they failed and did not
second, for failing to✔️

Correct Answer Logic:

Parallel structure requires matching 'for failing…to replace' with 'for failing to investigate.' 'Second' is the preferred GMAT parallel list marker. Options A and B use 'their failure to,' which is not parallel with the gerund 'failing.' Option C uses 'that they failed' which also breaks the parallel.

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Agronomy QUESTION #2073

Question 1459

The Blaney-Criddle method of estimating crop water requirements is primarily based on:

Net solar radiation and wind speed data
Mean monthly temperature and daylight hours (sunshine percentage), making it suitable for regions where only temperature data are available but less accurate than the Penman-Monteith method✔️
Actual measured pan evaporation data corrected by a pan coefficient
Soil type and available water capacity in the root zone

Correct Answer Logic:

The Blaney-Criddle formula $ET = p(0.46T + 8)$ uses only mean monthly temperature (T) and monthly percentage of annual daylight hours (p). It was widely used before reliable radiation and humidity data were available. While simple, it overestimates ET in humid conditions and underestimates in arid climates — less accurate than the Penman-Monteith equation.

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Constitutional Law QUESTION #5814

Question 1460

A state passes a law prohibiting the importation of out-of-state 'solid waste' to protect the health and safety of its citizens and to preserve its remaining landfill space. Is this law constitutional?

Yes, because health and safety are legitimate exercises of the state's police power.
Yes, because the state is acting as a 'market participant' in managing its landfills.
No, because it violates the Negative Implications of the Commerce Clause by discriminating against out-of-state commerce.✔️
No, because it violates the Privileges and Immunities Clause of Article IV.

Correct Answer Logic:

A state law that is facially discriminatory against out-of-state commerce is virtually per se invalid under the Dormant Commerce Clause unless the state can show it serves a legitimate local purpose that cannot be served by non-discriminatory means. Landfill space preservation is not sufficient to justify a ban on out-of-state waste.

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