VocabularyOne Word Substitutionmedium

One Word Substitution Quiz

Practice quiz on One Word Substitution (Vocabulary). 5 questions.

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About This Quiz

Practice quiz on One Word Substitution (Vocabulary). 5 questions. One Word Substitution Quiz is a free, 25-minute, 25-mark practice quiz on AajExam rated at medium difficulty, designed to help candidates preparing for SSC, UPSC, Banking, Railway and State PSC government competitive exams sharpen their command of One Word Substitution (Vocabulary). Every question on this quiz ships with a detailed step-by-step solution so you don't just learn the right answer — you learn the reasoning and shortcuts top scorers use to crack similar questions faster on the actual exam day. Why One Word Substitution Quiz matters in your preparation: government exam-conducting bodies repeatedly draw questions from the same chapters and the same skill-clusters across recruitment cycles. By attempting focused topic-wise quizzes like this one, you build pattern recognition — the ability to spot which formula, rule or trick applies the moment you see a question. Toppers consistently report that 5-10 quizzes on a single topic delivers more exam-day score gain than 20+ unfocused full-length mocks, because targeted drilling exposes your specific sub-topic weaknesses with surgical precision. How to use this quiz effectively: attempt it in one sitting under the 25-minute timer, without referring to notes or external resources — simulate exam-day conditions exactly. After submission, review the auto-generated analytics to see your accuracy, time per question and section-wise performance. Then go through every wrong and skipped question with the explanation, mentally tagging the underlying concept rather than just memorising the answer. Revisit this quiz after 7-10 days; your second attempt should be 15-20% faster with noticeably better accuracy. Bookmark this page and revisit weekly as we add new quizzes on related topics. AajExam quiz design principles: every quiz on the platform is curated by subject experts using the actual question formats, difficulty distributions and time pressures of the target government exams. We deliberately avoid generic "textbook" questions in favour of exam-replicating ones. Solutions are written in plain English (and Hindi where source material was bilingual), with step-by-step working for quantitative problems, grammar rules for English questions, and direct reference statements for general awareness items. Performance analytics after each attempt include accuracy, attempt rate, time spent per question, and an estimated all-India percentile so you know exactly where you stand against other candidates. This quiz is completely free to attempt. You only need a free AajExam account to track your performance across attempts, view detailed solutions and unlock the platform-wide analytics dashboard. The platform is mobile-friendly and works seamlessly on smartphones, tablets and desktops — so you can sharpen your One Word Substitution (Vocabulary) skills in any spare 15-minute window.

One Word Substitution Quiz — Questions with Solutions

All 25 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.

  1. Q1.One who knows everything?

    • A.Omniscient
    • B.Omnipotent
    • C.Omnipresent
    • D.Amateur
    Show answer

    Answer: A. Omniscient

    Omni = all, scient = knowing.

  2. Q2.Government by the people?

    • A.Democracy
    • B.Monarchy
    • C.Oligarchy
    • D.Dictatorship
    Show answer

    Answer: A. Democracy

    Demo = people, cracy = rule.

  3. Q3.One who hates mankind?

    • A.Misanthrope
    • B.Philanthropist
    • C.Patriot
    • D.Optimist
    Show answer

    Answer: A. Misanthrope

    Mis = hate, anthro = human.

  4. Q4.Study of stars?

    • A.Astronomy
    • B.Astrology
    • C.Biology
    • D.Geology
    Show answer

    Answer: A. Astronomy

    Scientific study of celestial objects.

  5. Q5.A person who speaks two languages?

    • A.Bilingual
    • B.Monolingual
    • C.Polyglot
    • D.Trilingual
    Show answer

    Answer: A. Bilingual

    Bi = two, lingual = language.

  6. Q6.One who loves and collects books is called:

    • A.Philatelist
    • B.Bibliophile
    • C.Bibliographer
    • D.Linguist
    Show answer

    Answer: B. Bibliophile

    A 'Bibliophile' is a person who loves and collects books.

  7. Q7.A person who cannot read or write is called:

    • A.Illiterate
    • B.Amateur
    • C.Novice
    • D.Ignorant
    Show answer

    Answer: A. Illiterate

    A person unable to read or write is 'Illiterate'.

  8. Q8.A home for orphan children is called:

    • A.Orphanage
    • B.Asylum
    • C.Sanatorium
    • D.Hostel
    Show answer

    Answer: A. Orphanage

    A residential institution for orphans is an 'Orphanage'.

  9. Q9.One who studies birds is called:

    • A.Zoologist
    • B.Ornithologist
    • C.Botanist
    • D.Entomologist
    Show answer

    Answer: B. Ornithologist

    An 'Ornithologist' is a scientist who studies birds.

  10. Q10.A person who is 100 years old or more is called:

    • A.Centenarian
    • B.Veteran
    • C.Elder
    • D.Senior
    Show answer

    Answer: A. Centenarian

    A 'Centenarian' is a person aged 100 years or more.

  11. Q11.Government by the people, for the people, is called:

    • A.Monarchy
    • B.Democracy
    • C.Autocracy
    • D.Oligarchy
    Show answer

    Answer: B. Democracy

    Rule by the people through elected representatives is 'Democracy'.

  12. Q12.One who does not believe in the existence of God is called:

    • A.Theist
    • B.Atheist
    • C.Agnostic
    • D.Pagan
    Show answer

    Answer: B. Atheist

    An 'Atheist' does not believe in the existence of God.

  13. Q13.A place where coins are manufactured is called:

    • A.Bank
    • B.Mint
    • C.Treasury
    • D.Vault
    Show answer

    Answer: B. Mint

    A 'Mint' is a factory where coins/currency are made.

  14. Q14.One who can speak two languages is called:

    • A.Monolingual
    • B.Bilingual
    • C.Polyglot
    • D.Linguist
    Show answer

    Answer: B. Bilingual

    'Bilingual' refers to a person who can speak two languages; 'Polyglot' refers to many languages.

  15. Q15.A word that reads the same forward and backward is called:

    • A.Anagram
    • B.Palindrome
    • C.Acronym
    • D.Homonym
    Show answer

    Answer: B. Palindrome

    A word/phrase reading the same both ways is a 'Palindrome' (e.g., 'madam').

  16. Q16.One who works without being paid is called:

    • A.Volunteer
    • B.Employee
    • C.Trainee
    • D.Apprentice
    Show answer

    Answer: A. Volunteer

    A person offering services without payment is a 'Volunteer'.

  17. Q17.A person who travels on foot is called:

    • A.Passenger
    • B.Pedestrian
    • C.Traveller
    • D.Commuter
    Show answer

    Answer: B. Pedestrian

    A person walking, especially in traffic, is a 'Pedestrian'.

  18. Q18.The scientific study of ancient societies through their remains is called:

    • A.Anthropology
    • B.Archaeology
    • C.Geology
    • D.Paleontology
    Show answer

    Answer: B. Archaeology

    'Archaeology' is the study of human history through excavation of sites and remains.

  19. Q19.That which cannot be seen through is called:

    • A.Transparent
    • B.Opaque
    • C.Translucent
    • D.Clear
    Show answer

    Answer: B. Opaque

    Something that does not allow light to pass through is 'Opaque'.

  20. Q20.A person who leaves their own country to settle in another is called:

    • A.Immigrant
    • B.Emigrant
    • C.Migrant
    • D.Refugee
    Show answer

    Answer: B. Emigrant

    One who leaves one's own country to settle elsewhere is an 'Emigrant' (from the country's viewpoint they are leaving).

  21. Q21.Handwriting that cannot be read easily is called:

    • A.Illegible
    • B.Legible
    • C.Cursive
    • D.Fluent
    Show answer

    Answer: A. Illegible

    Writing that is hard to read is 'Illegible'.

  22. Q22.One who eats excessively is called:

    • A.Glutton
    • B.Vegetarian
    • C.Herbivore
    • D.Carnivore
    Show answer

    Answer: A. Glutton

    A person who eats too much is called a 'Glutton'.

  23. Q23.A person appointed to settle a dispute between two parties is called:

    • A.Judge
    • B.Arbitrator
    • C.Lawyer
    • D.Advocate
    Show answer

    Answer: B. Arbitrator

    A person chosen to resolve a dispute outside court is an 'Arbitrator'.

  24. Q24.The murder of a king is called:

    • A.Homicide
    • B.Regicide
    • C.Suicide
    • D.Genocide
    Show answer

    Answer: B. Regicide

    Killing of a king is called 'Regicide'.

  25. Q25.One who believes anything too readily is called:

    • A.Credulous
    • B.Skeptic
    • C.Cynic
    • D.Suspicious
    Show answer

    Answer: A. Credulous

    A person who believes things too easily, without proof, is 'Credulous'.

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Frequently Asked Questions

Is One Word Substitution Quiz free to attempt on AajExam?

Yes. One Word Substitution Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.

How long does it take to complete One Word Substitution Quiz?

One Word Substitution Quiz runs on a 25-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.

Are detailed solutions provided?

Yes. Every question on One Word Substitution Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.

Can I attempt One Word Substitution Quiz multiple times?

Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.

Which government exams does this quiz prepare me for?

One Word Substitution questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.