Question 1

Classification – Odd one out (base ingredient vs processed/fermented products): Which is unlike the others: Cheese, Wine, Milk, Curd?

Accepted Answer

Introduction / Context:Food items can be grouped as raw/base ingredients versus processed/fermented products. One option here is a primary ingredient used to make others; the rest are processed outcomes.Given Data / Assumptions:Milk → base dairy liquid.Cheese → processed/fermented dairy product from milk.Curd → fermented dairy product from milk.Wine → fermented beverage (non-dairy) but processed nonetheless.Concept / Approach:Classify by processing level: base ingredient vs processed product. The sole base item is the outlier.Step-by-Step Solution:Milk → base ingredient.Cheese → processed.Curd → processed.Wine → processed (fermented).Verification / Alternative check:Although Wine is non-dairy, the stronger discriminator is “base vs processed,” which uniquely isolates Milk.Why Other Options Are Wrong:Cheese, Curd, and Wine are all end-products of processing/fermentation.Common Pitfalls:Grouping by “dairy vs non-dairy” would isolate Wine, but that would be 2–1–1; the base/processed criterion yields a 3–1 split.Final Answer:Milk

Question 2

Classification – Odd one out (celestial objects vs sky as region): Pick the outlier: Sky, Star, Planet, Comet.

Accepted Answer

Introduction / Context:Astronomy vocabulary distinguishes between celestial objects and the overarching region in which they appear. Three options are discrete celestial bodies; one is the visible expanse (region), not a body.Given Data / Assumptions:Star → luminous celestial body.Planet → non-luminous body orbiting a star.Comet → icy body with coma/tail near the sun.Sky → the dome/expanse we see, not an object.Concept / Approach:Separate “object” from “region.” The non-object is the outlier.Step-by-Step Solution:Star, Planet, Comet → celestial objects.Sky → region/background.Verification / Alternative check:Even poetic uses of “sky” don’t render it a discrete body like a planet or star.Why Other Options Are Wrong:Star, Planet, Comet are concrete astronomical objects.Common Pitfalls:Assuming anything visible above is a “celestial object.”Final Answer:Sky

Question 3

Classification – Odd one out (three Vedas vs system of medicine): Identify the outlier: Rigveda, Yajurveda, Atharveda, Ayurveda.

Accepted Answer

Introduction / Context:In Indian tradition, the four principal Vedas are Rigveda, Yajurveda, Samaveda, and Atharvaveda. Ayurveda, while ancient and Veda-adjacent in ethos, is a system of medicine, not one of the four canonical Vedas.Given Data / Assumptions:Rigveda → canonical Veda.Yajurveda → canonical Veda.Atharveda (Atharvaveda) → canonical Veda.Ayurveda → classical system of medicine.Concept / Approach:Classify by canonical status: “Veda” vs “medical corpus.” The medical system is the outlier.Step-by-Step Solution:Rigveda, Yajurveda, Atharvaveda → Vedas.Ayurveda → not a Veda; medicinal tradition.Verification / Alternative check:Samaveda is missing from the list; nevertheless, three given items are Vedas, one is not.Why Other Options Are Wrong:Rigveda, Yajurveda, Atharvaveda belong to the same canonical category.Common Pitfalls:Assuming any “-veda” suffix implies canonical status; Ayurveda means “knowledge of life,” not one of the four Vedas.Final Answer:Ayurveda

Question 4

Classification – Odd one out (charts/shapes vs mathematical constant): Choose the item unlike the others: frequency polygon, Rectangle, Bar, Pi.

Accepted Answer

Introduction / Context:Data display terms and shapes contrast with numerical constants. Three entries are graphical/shape concepts; one is a fundamental mathematical constant, not a figure.Given Data / Assumptions:Frequency polygon → statistical chart.Bar → chart element/shape.Rectangle → geometric shape (form of bar).Pi → constant (~3.14159).Concept / Approach:Group “graph/shape” vs “numeric constant.” Select the constant as the outlier.Step-by-Step Solution:Frequency polygon, Bar, Rectangle → diagrammatic.Pi → numeric constant.Verification / Alternative check:Even when used in circle geometry, π remains a number, not a diagram.Why Other Options Are Wrong:The other three are visual/shape-related notions.Common Pitfalls:Equating concepts used together (π with circles) with category identity.Final Answer:Pi

Question 5

Classification – Odd one out (metalloids vs noble/transition metal): Identify the outlier: Silicon, Platinum, Arsenic, Antimony.

Accepted Answer

Introduction / Context:Chemical classification can separate metalloids from metals. Three options (Si, As, Sb) are commonly classified as metalloids; one (Pt) is a noble/transition metal.Given Data / Assumptions:Silicon (Si) → metalloid.Arsenic (As) → metalloid.Antimony (Sb) → metalloid.Platinum (Pt) → noble/transition metal.Concept / Approach:Group by periodic-table category. The non-metalloid is the outlier.Step-by-Step Solution:Si, As, Sb → metalloids.Pt → metal (noble/transition).Verification / Alternative check:While classification can vary for borderline elements, Si/As/Sb are standard metalloids; Pt is unequivocally a metal.Why Other Options Are Wrong:Silicon, Arsenic, Antimony share metalloid properties (semiconducting, amphoteric behavior).Common Pitfalls:Confusing usage (e.g., silicon in electronics) with elemental category.Final Answer:Platinum

Question 6

Classification – Odd one out (precipitation terms vs unrelated noun): Select the outlier: Rain, Shower, Sleet, Raisin.

Accepted Answer

Introduction / Context:Meteorological vocabulary contrasts with food items. Three terms name precipitation phenomena; one is a dried fruit, unrelated to weather.Given Data / Assumptions:Rain → liquid precipitation.Shower → brief/light episode of rain.Sleet → pellets/mixed frozen precipitation.Raisin → dried grape (food item).Concept / Approach:Group by domain: meteorology vs food. The non-meteorological word is the outlier.Step-by-Step Solution:Rain/Shower/Sleet → weather terms.Raisin → food item.Verification / Alternative check:Polysemy for “shower” exists, but paired with rain and sleet, the weather sense is intended.Why Other Options Are Wrong:Rain, Shower, Sleet all denote precipitation types/events.Common Pitfalls:Reading “raisin” as “raising”; ensure correct spelling.Final Answer:Raisin

Question 7

Classification – Odd one out (human/animal power vs motor vehicle): Which is unlike the others: Rickshaw, Taxi, Tanga, Cart?

Accepted Answer

Introduction / Context:Transport modes can be grouped by propulsion. Three are human/animal-powered vehicles; one is a motorized automobile used for hire.Given Data / Assumptions:Rickshaw → human-powered (or cycle) vehicle.Tanga → horse-drawn carriage.Cart → animal- or human-drawn goods vehicle.Taxi → motor car for hire.Concept / Approach:Separate non-motorized vs motorized. The only motor vehicle is the outlier.Step-by-Step Solution:Rickshaw/Tanga/Cart → human/animal traction.Taxi → engine-powered automobile.Verification / Alternative check:Auto-rickshaw exists but is distinct from “rickshaw.” The basic term here implies non-motorized variant compared to a taxi.Why Other Options Are Wrong:Rickshaw, Tanga, Cart rely on human/animal power.Common Pitfalls:Assuming “rickshaw” is always motorized; context distinguishes it from “auto-rickshaw.”Final Answer:Taxi

Question 8

Classification – Odd one out (alloys vs element): Identify the outlier: Brass, Gun metal, Bronze, Germanium.

Accepted Answer

Introduction / Context:Materials science distinguishes alloys from pure elements. Three items are copper-based alloys; one is a semiconductor element from the periodic table.Given Data / Assumptions:Brass → alloy (copper + zinc).Gun metal → alloy (typically copper + tin + zinc).Bronze → alloy (copper + tin, variants exist).Germanium → element (Ge), semiconductor.Concept / Approach:Decide if each is a mixture (alloy) or single element. The sole element is the outlier.Step-by-Step Solution:Brass/Gun metal/Bronze → alloys.Germanium → element.Verification / Alternative check:Chemical symbols exist only for elements; “Ge” confirms Germanium’s elemental status.Why Other Options Are Wrong:Brass, Gun metal, Bronze are mixtures with variable compositions.Common Pitfalls:Assuming “metal” equals “element.” Many common “metals” are industrial alloys.Final Answer:Germanium

Question 9

Classification – Odd one out (landforms vs moving ice mass): Choose the outlier: Mountain, Valley, Glacier, Sea-coast.

Accepted Answer

Introduction / Context:Physical geography distinguishes static landforms from dynamic bodies of ice/water. Three options are landform types/terrain settings; one is a moving body of ice (an agent of erosion), not a landform itself.Given Data / Assumptions:Mountain → elevated landform.Valley → elongated low area between hills/mountains.Sea-coast → coastal landform/shoreline region.Glacier → moving mass of ice that shapes landforms.Concept / Approach:Separate “terrain type/landform” from “geomorphic agent (ice mass).” The ice mass is the outlier.Step-by-Step Solution:Mountain/Valley/Sea-coast → landform/terrain categories.Glacier → mobile ice body, not a landform category.Verification / Alternative check:Glaciers create landforms (cirques, moraines, fjords) but are not themselves landforms; they are agents that form landforms.Why Other Options Are Wrong:Mountain, Valley, Sea-coast denote stable geo-settings.Common Pitfalls:Equating the creator (glacier) with the created (glacial landforms).Final Answer:Glacier

Question 10

Classification – Odd one out (2D representations vs 3D representation): Find the outlier: Graph, Chart, Model, Drawing.

Accepted Answer

Introduction / Context:Information can be represented in two or three dimensions. Three of the items are typically 2D depictions; one commonly denotes a 3D representation/prototype, making it the odd one out in modality.Given Data / Assumptions:Graph → 2D plot/diagram.Chart → 2D infographic (bar/pie/line etc.).Drawing → 2D sketch/plan.Model → 3D representation (physical or digital), though the term can be abstract; default sense is 3D object.Concept / Approach:Group by dimensionality: 2D vs 3D. Select the single 3D representation as outlier.Step-by-Step Solution:Graph/Chart/Drawing → two-dimensional.Model → typically three-dimensional.Verification / Alternative check:“Model” can also mean a mathematical abstraction, but in common visualization context alongside “graph/chart/drawing,” the 3D sense is most natural.Why Other Options Are Wrong:Graph, Chart, Drawing share 2D presentation.Common Pitfalls:Assuming “chart” includes 3D column visuals; despite styles, charts are fundamentally 2D communicative devices.Final Answer:Model

Question 11

Classification – Odd one out (physical geography landforms): Which term does not belong with the others among Mountain, Hill, Plateau, and Plane (note the spelling)?

Accepted Answer

Introduction / Context:This verbal classification item asks you to spot the single word that does not fit a common, real-world category. Three of the given terms are standard physical landforms taught in geography. One term, however, is not a landform at all in this spelling and therefore breaks the category. The fastest way to solve such questions is to map each option to a concise category label and look for a 3-to-1 split.Given Data / Assumptions:Mountain: a high, prominent landform with great local relief.Hill: a smaller elevation than a mountain but still a natural raised landform.Plateau: an extensive, relatively level area of high ground.Plane: in this spelling, commonly means an aircraft or a geometric “plane,” not a landform (contrast with “plain,” a flat landform).Concept / Approach:The intended category is “physical geography landforms.” Mountain, Hill, and Plateau are canonical landforms. “Plane,” however, is either a vehicle (airplane) or a geometric concept (flat two-dimensional surface). If the stem had “plain” (spelled P-L-A-I-N), it would be a landform and would fit; but “plane” (P-L-A-N-E) does not, and that spelling distinction is decisive here.Step-by-Step Solution:1) Tag each word: Mountain → landform; Hill → landform; Plateau → landform; Plane → aircraft/geometry (not a landform).2) Count by category: three landforms vs one non-landform.3) Therefore, the odd member is “Plane.”Verification / Alternative check:Substitute definitions into a sentence: “All three are types of landforms.” This works for Mountain, Hill, Plateau, but not for Plane. If the test intended “plain,” the stem would explicitly use that spelling; classification questions depend on exact wording.Why Other Options Are Wrong:Mountain, Hill, Plateau: each is a natural terrestrial landform.Common Pitfalls:Overlooking the spelling difference between “plain” (landform) and “plane” (vehicle/geometry). The test leverages this homophone trap.Final Answer:Plane

Question 12

Classification – Odd one out (continents vs country-continent ambiguity): Which name does not align cleanly as a continent in common usage: Asia, Australia, America, or Africa?

Accepted Answer

Introduction / Context:This item checks your awareness of standard world-geography labels. Three options are used purely as names of continents in everyday contexts. One option is unique because it is also the name of a sovereign country (and sometimes causes ambiguity). The task is to select the entry that is not purely a continent label in ordinary usage.Given Data / Assumptions:Asia — universally a continent.Africa — universally a continent.America — in competitive exams often refers collectively to the Americas, but it is not the proper name of a single sovereign state.Australia — used both for the continent and for the country (Commonwealth of Australia).Concept / Approach:We look for the term with dual identity: a continent name that is also the name of a country. Asia and Africa do not double as countries. “America” is colloquially used for the Americas (two continents) or as shorthand for the United States in informal speech, but as a proper political entity “United States of America” is distinct. “Australia,” however, is straightforwardly both a continent and the formal short name of a sovereign nation, making it the clean 3-to-1 outlier.Step-by-Step Solution:1) Tag pure continents: Asia, Africa → pure.2) Consider “America”: geographic super-label for the Americas; not a single country name.3) “Australia” doubles as a continent and a country → unique among the set.Verification / Alternative check:Try the frame: “_____ is a continent and also the name of a country.” Only “Australia” completes this sentence accurately and unambiguously in formal contexts.Why Other Options Are Wrong:Asia, Africa, and (as used in exams) America function as continental labels without being the short names of sovereign states.Common Pitfalls:Confusing “America” with the “United States of America.” The question is about the name itself, not colloquial shorthand.Final Answer:Australia

Question 13

Classification – Odd one out (musical instruments – family/type): Which instrument does not belong with the others: Cello, Guitar, Flute, Violin?

Accepted Answer

Introduction / Context:This is a standard “odd one out by family” question from music. Three instruments are stringed instruments that produce sound via vibrating strings and are typically played by bowing or plucking. One instrument is not a string instrument at all; it is an aerophone (wind instrument). Identifying the family difference yields a clean 3-to-1 split.Given Data / Assumptions:Cello — bowed string instrument (violin family), lower register.Guitar — plucked string instrument (chordophone).Violin (spelled “Voilin” in stem) — bowed string instrument (violin family), higher register.Flute — wind instrument; air column vibrates; no strings involved.Concept / Approach:Classify by instrument family: “string” vs “wind.” The Cello, Guitar, and Violin are chordophones (string family). The Flute is an aerophone and does not share the core sound-production mechanism. Therefore, Flute is the outlier even though all four are musical instruments.Step-by-Step Solution:1) Tag families: Cello → string; Guitar → string; Violin → string; Flute → wind.2) Count by category: three strings vs one wind.3) Select the unique category member as the odd one: Flute.Verification / Alternative check:Try substituting “bow/plectrum” tests: the three strings are playable via bowing/plucking of strings; the flute is sounded by blowing across an embouchure or through a fipple, confirming it is different in principle and technique.Why Other Options Are Wrong:Cello, Guitar, and Violin all share the defining string feature; only their playing method and range differ.Common Pitfalls:Being distracted by spelling (“Voilin”). The intended instrument is Violin; the family classification remains clear.Final Answer:Flute

Question 14

Classification – Odd one out (parts of speech / grammar form): Which word does not belong with the others: Sweetness, Elegant, Bright, Beautiful?

Accepted Answer

Introduction / Context:Here the classification is by grammatical form (part of speech). Three entries are adjectives—words that modify nouns by describing qualities. One entry is a noun naming a quality or state. The test checks whether you can look beyond meaning to identify grammatical category.Given Data / Assumptions:Sweetness — a noun meaning the quality of being sweet.Elegant — an adjective describing grace or refined taste.Bright — an adjective describing luminance or intelligence.Beautiful — an adjective describing aesthetic appeal.Concept / Approach:Convert each word into a canonical sentence frame to test its part of speech, e.g., “the _____ flower” (adjective fits) versus “the _____ of the dessert” (noun fits). “Elegant/bright/beautiful flower” are grammatical, but “sweetness flower” is not. Conversely, “the sweetness of the dessert” works while “the elegant of the dessert” does not. Therefore, Sweetness is grammatically distinct.Step-by-Step Solution:1) Attempt adjective position before a noun: Elegant/Bright/Beautiful fit; Sweetness does not.2) Attempt noun slot with “of”: “the sweetness of …” fits; others do not.3) Conclude Sweetness is the lone noun and thus the odd item.Verification / Alternative check:Transform “Sweetness” to its adjective base “Sweet” and notice it now aligns with the others. But as presented, forms matter in classification tasks; we use the exact words given.Why Other Options Are Wrong:Elegant, Bright, and Beautiful are all adjectives; they share the same grammatical role.Common Pitfalls:Answering by semantic similarity alone (all describe positive qualities). The question hinges on form, not sentiment.Final Answer:Sweetness

Question 15

Classification – Odd one out (diseases vs health state): Which item does not belong: Cholera, AIDS, Cancer, Health?

Accepted Answer

Introduction / Context:The set mixes medical terms. Three are names of illnesses or disease conditions. One is a positive state of well-being. The task is to choose the member that is not a disease.Given Data / Assumptions:Cholera — an acute infectious disease caused by Vibrio cholerae.AIDS — Acquired Immunodeficiency Syndrome, a condition caused by HIV.Cancer — a group of diseases involving abnormal cell growth with potential to invade or spread.Health — a state of complete physical, mental, and social well-being (not a disease).Concept / Approach:Map each item to its medical category: “disease/condition” versus “state.” Cholera, AIDS, and Cancer clearly denote illnesses. Health is the absence (or good management) of disease and is categorically different from the rest. Therefore, Health is the odd one out.Step-by-Step Solution:1) Identify disease names: Cholera, AIDS, Cancer.2) Identify non-disease state: Health.3) Select Health as the unique outlier.Verification / Alternative check:Attempt to frame each in “diagnosed with _____.” This works for Cholera/AIDS/Cancer but not for “diagnosed with health,” confirming the categorical mismatch.Why Other Options Are Wrong:They are all illnesses and thus belong to the same group.Common Pitfalls:Overthinking causes/agents (bacterial/viral/non-infectious). The exam expects the simpler disease vs non-disease distinction.Final Answer:Health

Question 16

Classification – Odd one out (action type – cutting vs sound): Which verb does not match the others: Chop, Slit, Chirp, Slice?

Accepted Answer

Introduction / Context:This question groups words by the kind of action they denote. Three words describe cutting actions performed with a tool or sharp edge. One word describes a sound produced by a creature, not a cutting action. The correct answer is the item that does not fit the “cutting” category.Given Data / Assumptions:Chop — to cut into pieces, often with a heavy blow (e.g., an axe).Slit — to make a long, narrow cut.Slice — to cut into thin pieces.Chirp — a short, high-pitched sound (e.g., made by birds/insects).Concept / Approach:Assign each word to “cutting verb” or “sound verb.” Chop/Slit/Slice are cutting verbs; Chirp is a sound verb. Since the group majority is cutting, the non-cutting member is the odd one out.Step-by-Step Solution:1) Tag Chop/Slit/Slice → cutting category.2) Tag Chirp → sound category.3) Select Chirp as the unique non-cutting action.Verification / Alternative check:Use an instrument test: knives/axes perform chop/slice/slit; no cutting instrument performs “chirp,” because chirp is not a cutting action but a sound production.Why Other Options Are Wrong:They are all specific manners of cutting.Common Pitfalls:Equating any action verb as comparable. The semantic class matters here (physical cutting vs auditory sound).Final Answer:Chirp

Question 17

Classification – Odd one out (fields of study – humanities/social sciences vs natural science): Which discipline does not belong with the others: Political Science, History, Philosophy, Physics?

Accepted Answer

Introduction / Context:The list blends academic disciplines from different broad families. Three are usually placed within the humanities/social sciences. One is a core natural science. Your goal is to select the discipline from a different academic family.Given Data / Assumptions:Political Science — social science (study of politics, governance, institutions).History — humanities/social science (study of past events, contexts, historiography).Philosophy — humanities (study of fundamental questions of existence, knowledge, ethics, logic).Physics — natural science (study of matter, energy, and their interactions).Concept / Approach:Cluster by the “science family”: humanities/social sciences versus natural/physical sciences. Political Science, History, and Philosophy cluster together as non-natural sciences. Physics is a physical science grounded in empirical experimentation and mathematical modeling, making it the clear outlier.Step-by-Step Solution:1) Tag disciplines: PS/History/Philosophy → humanities/social sciences; Physics → natural science.2) Choose the single member not in the majority cluster: Physics.Verification / Alternative check:Consider methodological emphasis: quantitative lab experiments and formalized natural laws in Physics vs interpretive/qualitative methods common in the other three.Why Other Options Are Wrong:They share broader methodological and topical kinship apart from the natural sciences.Common Pitfalls:Overanalyzing subfields (e.g., “political science uses statistics”). The family distinction remains humanities/social vs natural sciences.Final Answer:Physics

Question 18

Classification – Odd one out (book-making roles vs non-authoring): Which term does not belong: Author, Novelist, Poet, Publisher?

Accepted Answer

Introduction / Context:This question distinguishes content creators from a business/production role. Three options are writer roles—people who create literary content. One option is the business entity or person who produces/distributes books but is not necessarily the writer. Choose the non-authoring role.Given Data / Assumptions:Author — general term for a writer.Novelist — a writer who composes novels.Poet — a writer who composes poetry.Publisher — person/company that publishes and distributes written works.Concept / Approach:Group by “creates the text” vs “produces/markets the text.” Author/Novelist/Poet create original literary content. Publisher oversees production, printing, marketing, and distribution. Therefore, Publisher is categorically different.Step-by-Step Solution:1) Identify creators: Author/Novelist/Poet.2) Identify non-creator, production-side role: Publisher.3) Select Publisher as the odd one out.Verification / Alternative check:Ask “Who writes the book’s words?” The first three do. A publisher can commission/edit, but is not the writing role itself.Why Other Options Are Wrong:They are all explicit writing roles.Common Pitfalls:Assuming publishers always write forewords or edits; those are separate functions.Final Answer:Publisher

Question 19

Classification – Odd one out (commercial transactions vs credit/loan): Which term does not belong: Barter, Purchase, Sale, Borrow?

Accepted Answer

Introduction / Context:Three options describe exchange transactions where goods/services change ownership for something in return (goods or money). One option is not an exchange of ownership but a temporary acquisition with the intent to return. The item representing a loan/credit action is the odd one out.Given Data / Assumptions:Barter — exchange of goods/services for other goods/services (no money).Purchase — acquire goods/services by paying money.Sale — transfer goods/services to a buyer in return for money.Borrow — take and use something with the intention to return it; no transfer of ownership.Concept / Approach:Classify by “ownership transfer.” Barter/Purchase/Sale involve a transfer of ownership (or reciprocal exchange). Borrowing does not transfer ownership; it is temporary possession. Therefore, Borrow is the odd one out despite being economically related.Step-by-Step Solution:1) Mark exchange/ownership-transfer actions: Barter, Purchase, Sale.2) Mark temporary-use/return action: Borrow.3) Choose Borrow as the outlier.Verification / Alternative check:Test with “receipt of title/ownership.” Title typically changes hands in sale/purchase/barter, but not in borrowing.Why Other Options Are Wrong:They involve completed exchanges rather than temporary loans.Common Pitfalls:Confusing “borrow” with “buy on credit.” Buying on credit still transfers ownership; borrowing does not.Final Answer:Borrow

Question 20

Classification – Odd one out (deficiency diseases vs infectious disease): Which is different from the rest: Scurvy, Rickets, Night-blindness, Influenza?

Accepted Answer

Introduction / Context:The list mixes medical conditions of two fundamentally different etiologies. Three are classical vitamin deficiency disorders. One is an infectious viral illness. Identify the one that is not a deficiency disease.Given Data / Assumptions:Scurvy — deficiency of vitamin C.Rickets — deficiency of vitamin D (and/or calcium/phosphate abnormalities), leading to bone demineralization in children.Night-blindness — commonly due to vitamin A deficiency (nyctalopia).Influenza — acute infectious disease caused by influenza viruses (A/B/C), not a vitamin deficiency.Concept / Approach:Group conditions by cause: “vitamin deficiency” vs “pathogen infection.” Scurvy, Rickets, Night-blindness share the deficiency cause; Influenza is viral. Hence, Influenza is the outlier.Step-by-Step Solution:1) Tag etiologies: Scurvy/Rickets/Night-blindness → deficiency; Influenza → viral infection.2) Pick the single viral disease as the odd one: Influenza.Verification / Alternative check:Consider prevention: dietary correction/supplementation remedies deficiency diseases; vaccination and hygiene practices target influenza transmission. Different prevention paradigms confirm different categories.Why Other Options Are Wrong:They are all deficiency conditions tied to specific vitamins.Common Pitfalls:Assuming “night-blindness” is generic—exam convention treats it as vitamin A deficiency unless specified otherwise.Final Answer:Influenza

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