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English Literature QUESTION #679

Question 541

The setting of "The Gift of the Magi" is:

Christmas Eve✔️
Thanksgiving
Easter
New Year's Eve

Correct Answer Logic:

The story centers on a young couple buying secret Christmas gifts for each other.

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Psychology QUESTION #9773

Question 542

When the cause of abnormal behaviour is considered purely physiological, it is explained by the:

Psycho. model
Medical model✔️
Psychosocial model
None of these

Correct Answer Logic:

The medical (biomedical) model explains abnormal behaviour as resulting from biological/physiological causes — brain chemistry imbalances, genetics, or neurological dysfunction — treating mental disorders like physical diseases.

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English QUESTION #8498

Question 543

Smoking is injurious _______ health.

to✔️
for
with
of

Correct Answer Logic:

'Injurious to' is correct.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11097

Question 544

Dengue virus is classified under which viral family?

Flaviviridae✔️
Togaviridae
Reoviridae
Rhabdoviridae

Correct Answer Logic:

Dengue virus (DENV), with four serotypes (DENV-1 to DENV-4), belongs to the family Flaviviridae, genus Flavivirus. Other members of Flaviviridae include Zika virus, Yellow fever virus, West Nile virus, and Japanese encephalitis virus. Dengue is transmitted by Aedes aegypti and Aedes albopictus mosquitoes. It causes dengue fever, dengue haemorrhagic fever, and dengue shock syndrome. Approximately 390 million infections occur annually worldwide.

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Physics QUESTION #1173

Question 545

Alpha particles and electrons having the same energy — their associated De Broglie wavelengths are:

Equal
Longer than electrons (alpha has longer wavelength)
Smaller than electrons (alpha has shorter wavelength)✔️
None of these

Correct Answer Logic:

De Broglie wavelength: \(\lambda = \frac{h}{\sqrt{2mE}}\). At the same kinetic energy \(E\), \(\lambda \propto \frac{1}{\sqrt{m}}\). Since \(m_\alpha \gg m_e\) (alpha particle is ~7294 times heavier), \(\lambda_\alpha \ll \lambda_e\). So alpha particles have a much shorter De Broglie wavelength than electrons at the same energy.

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MCQs Section QUESTION #4912

Question 546

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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Math Physics Chemistry Biology QUESTION #4282

Question 547

A mature duplicated chromosome consists of:

Two identical double helical DNA molecules✔️
Two different double helical DNA molecules
A double helical DNA molecule distributed in both chromatids
Histone chains wrapped around DNA core

Correct Answer Logic:

After DNA replication, a duplicated chromosome consists of two identical sister chromatids, each containing a complete double-stranded DNA molecule, joined at the centromere.

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Law QUESTION #9483

Question 548

A partnership firm PQR, represented by partner P, filed a suit. After the plaint was admitted, P died. The remaining partners Q and R wish to continue the suit. B the defendant argues the suit must abate. What should the Court do?

Dismiss the suit on P's death since P signed the plaint
Abate only P's share in the suit
Allow Q and R to be substituted as legal representatives of the firm and continue the suit without abatement✔️
Direct Q and R to file a fresh suit

Correct Answer Logic:

Under Order XXII CPC, a suit by or against a firm is a suit by or against its partners collectively in their firm name. The death of one partner does not abate the suit; the continuing partners are substituted and proceedings continue. The firm's cause of action survives the death of one partner.

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Islamic Studies QUESTION #8229

Question 549

What is the first written constitution in the Islamic History?

Last Address of the Prophet at Hajj
The Hudabia settlement
The Treaty (Misaq) of Madina✔️
Aaeen-e-Akbari of the Mughal era

Correct Answer Logic:

The Constitution of Medina (Misaq-e-Madina or Sahifah al-Medina) was the first written constitution in Islamic history, drafted by Prophet Muhammad (PBUH) upon his arrival in Medina in 622 CE. This groundbreaking document established the rights and duties of Muslims, Jews, and other communities in Medina, created a multi-religious Islamic state, and outlined principles of justice, mutual defense, and religious freedom—making it one of the earliest constitutional documents in world history.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11083

Question 550

What leads to the formation of the canal system in sponges (Porifera)?

Inner wall folding✔️
Gastro-vascular system
Reproduction
Porous walls

Correct Answer Logic:

The canal system in sponges develops from the folding of the inner wall (choanocyte layer). As the sponge body wall folds inward, it increases the surface area of choanocytes (collar cells) that line the canals and chambers, maximising water filtration and feeding efficiency. The three canal systems (asconoid, syconoid, leuconoid) represent increasing degrees of wall folding. The porous walls (ostia) allow water entry, but the canal system architecture itself results from inner wall folding.

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MCQs Section QUESTION #5138

Question 551

وہ گھڑی جس کا انتظار تھا، ______ ۔

آن پہنچی✔️
آپہنچی
آن پہنچا
ان میں سے کوئی نہیں

Correct Answer Logic:

درست جملہ ہے: 'آن پہنچی' کیونکہ گھڑی مونث ہے اور آن پہنچی اس کا درست فعل ہے۔

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Education QUESTION #6761

Question 552

A subject specialist developing a physics test wants to ensure that the test measures "understanding of Newton's Laws" and not merely the ability to memorize formulae. Which type of validity evidence should be most rigorously gathered, and what procedure is most appropriate?

Content validity; compare test items with the textbook chapter headings
Construct validity; define the construct, identify sub-constructs, list indicators, write items for each indicator, and seek expert judgment and factor analysis✔️
Criterion validity; correlate test scores with past exam results
Consequence validity; survey students about whether the test was fair

Correct Answer Logic:

Construct validity is the evidence that a test measures the intended theoretical construct. For a nuanced construct like "understanding" (as opposed to memorization), one must: define the construct, identify its sub-constructs (e.g., conceptual understanding vs. procedural), write items targeting each, and validate through expert judgment and factor analysis. This is the rigorous process described in construct validity.

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Administration QUESTION #2923

Question 553

When an administrator transfers specific tasks and decision-making power to subordinates, it is known as:

Centralization
Delegation✔️
Regulation
Bureaucratization

Correct Answer Logic:

Delegation allows managers to distribute the workload and empower lower-level employees to handle specific responsibilities.

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Administration QUESTION #9598

Question 554

A multinational company evaluates entering a new country market using Porter's Diamond of National Competitive Advantage. The country has excellent engineering universities, low labour costs, but poor infrastructure and a fragmented domestic market. How should this analysis inform the entry strategy?

The poor infrastructure disqualifies the market — factor conditions alone cannot sustain competitive advantage without supporting industry clusters
The country's factor conditions (skilled engineers, low labour costs) favour vertical FDI in R&D and manufacturing, but the weak demand conditions and infrastructure suggest the multinational must invest in supply chain development and potentially co-invest with government in infrastructure to realize the factor advantage✔️
The fragmented domestic market indicates high demand uncertainty — the company should enter via licensing to minimize capital exposure
The country profile fits a resource-seeking FDI strategy — the multinational should extract the factor advantages without investing in local demand or infrastructure development

Correct Answer Logic:

Porter's Diamond requires four reinforcing conditions: factor conditions, demand conditions, related/supporting industries, and firm strategy/rivalry. This country has strong factor conditions but weak demand conditions and infrastructure (related industries). A sophisticated market-entry analysis would recognize that factor advantages are exploitable but require complementary investments to be sustainable — pure resource extraction without local market development fails to build the durable competitive advantage Porter's framework describes.

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Math Physics Chemistry Biology QUESTION #11267

Question 555

Which neurotransmitter is primarily deficient in patients with Parkinson's disease?

Acetylcholine
Dopamine✔️
Serotonin
GABA

Correct Answer Logic:

Parkinson's disease is characterized by the degeneration of dopaminergic neurons in the substantia nigra of the midbrain. This leads to dopamine deficiency, causing tremors, rigidity, bradykinesia, and postural instability.

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Physics QUESTION #7836

Question 556

Electron volt (eV) is a unit of:

Charge
Current
Energy✔️
Power

Correct Answer Logic:

1 eV = 1.602×10⁻¹⁹ J.

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Biology Zoology Botany QUESTION #10787

Question 557

The uterine tubes terminate in a hollow muscular organ positioned in front of the rectum and behind the urinary bladder, which is called the:

Uterus✔️
Vagina
Cervix
Endometrium

Correct Answer Logic:

The uterus is the hollow, thick-walled muscular organ where implantation of the fertilised egg and foetal development occur. It is positioned in the pelvic cavity anterior to the rectum and posterior to the urinary bladder. The uterine (Fallopian) tubes open into its superior angles. The cervix is the lower, narrow portion of the uterus; the vagina is the birth canal; the endometrium is the inner lining of the uterus.

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Reading and Writing (Module-1) QUESTION #5454

Question 558

Notes:?Atlantic Monthly?(1857, politics/art/lit). Cathryn Halverson's book?Faraway Women and the "Atlantic Monthly"?discusses female authors whose autobiographies appeared there in early 1900s. Which choice introduces the book to an audience already familiar with the magazine?

Halverson's book discusses female authors whose autobiographies appeared in the magazine in early 1900s.✔️
A magazine called?Atlantic Monthly, referred to in the title, was first published in 1857.
The book features contributors to?Atlantic Monthly, first published in 1857 as a magazine focusing on politics, art, and literature.
One author discussed is Juanita Harrison, whose autobiography appeared in the magazine in early 1900s.

Correct Answer Logic:

Since the audience already knows the magazine, option A gives relevant new info about the book's content without re-explaining the magazine's founding.

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General Knowledge QUESTION #9016

Question 559

Which blood cells protect the body against disease and infection?

Blood platelets (thrombocytes)
Hemoglobin
Red blood cells
White blood cells (leukocytes)✔️

Correct Answer Logic:

White blood cells fight infection.

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Education QUESTION #10857

Question 560

Education confined to a formal educational institution is called:

Informal education
Non-formal education
Formal education✔️
Semi-formal education

Correct Answer Logic:

Formal education is structured, systematic, and institutionalised — occurring in schools, colleges, and universities within a planned curriculum, defined grades, certified teachers, and recognised qualifications. It is time-bound and follows official syllabi. Informal education occurs through life experiences; non-formal education is organised but outside formal institutions (e.g. adult literacy programmes, community education centres).

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