Constable GD 2026 — English Language: One Word Substitution Practice MCQs

Practice these 20 carefully selected MCQs on One Word Substitution for the Constable GD 2026 examination. Each question includes a detailed explanation to help you understand not just the correct answer but the underlying concept.

Instructions: Attempt all questions. Check your answers after completing the set. Target: 15+ correct out of 20 for a good score.

Q1. A person who cannot be corrected:

(A) Criminal   (B) Incorrigible   (C) Negligent   (D) Indifferent

Answer: (B) Incorrigible

Explanation: 'Incorrigible' refers to a person who is not able to be corrected, improved, or reformed. A common exam favourite.

Q2. The study of the universe:

(A) Biology   (B) Cosmology   (C) Ecology   (D) Geology

Answer: (B) Cosmology

Explanation: Cosmology is the science that deals with the origin, evolution, and structure of the universe.

Q3. One who kills his own brother:

(A) Parricide   (B) Matricide   (C) Fratricide   (D) Regicide

Answer: (C) Fratricide

Explanation: 'Fratricide' is the act of killing one's brother. From Latin: frater (brother) + cide (kill).

Q4. Fear of water:

(A) Claustrophobia   (B) Hydrophobia   (C) Agoraphobia   (D) Acrophobia

Answer: (B) Hydrophobia

Explanation: 'Hydrophobia' is an extreme or irrational fear of water. Also a symptom of rabies.

Q5. A person who travels to a holy place:

(A) Tourist   (B) Pilgrim   (C) Nomad   (D) Wanderer

Answer: (B) Pilgrim

Explanation: A 'pilgrim' is a person who journeys to a sacred place for religious reasons.

Q6. Words inscribed on a tomb:

(A) Epitome   (B) Epilogue   (C) Epitaph   (D) Epigram

Answer: (C) Epitaph

Explanation: An 'epitaph' is a phrase or form of words written in memory of a person who has died, especially as an inscription on a tombstone.

Q7. A person who hates women:

(A) Philanthropist   (B) Misanthrope   (C) Misogynist   (D) Feminist

Answer: (C) Misogynist

Explanation: A 'misogynist' is a person who dislikes, despises, or is strongly prejudiced against women.

Q8. The killing of a king:

(A) Patricide   (B) Homicide   (C) Regicide   (D) Fratricide

Answer: (C) Regicide

Explanation: 'Regicide' is the action of killing a king. From Latin: rex/regis (king) + cide (kill).

Q9. A doctor who treats children:

(A) Podiatrist   (B) Paediatrician   (C) Orthopaedist   (D) Dermatologist

Answer: (B) Paediatrician

Explanation: A 'paediatrician' is a doctor who specialises in the medical care of infants, children, and adolescents.

Q10. An animal that feeds on plants:

(A) Carnivore   (B) Omnivore   (C) Herbivore   (D) Insectivore

Answer: (C) Herbivore

Explanation: A 'herbivore' is an animal that feeds on plants. From Latin: herba (plant) + vorare (to eat).

Q11. A person who believes in God:

(A) Atheist   (B) Agnostic   (C) Theist   (D) Nihilist

Answer: (C) Theist

Explanation: A 'theist' is a person who believes in the existence of God or gods.

Q12. The art of beautiful handwriting:

(A) Typography   (B) Calligraphy   (C) Stenography   (D) Photography

Answer: (B) Calligraphy

Explanation: 'Calligraphy' is the art of writing beautifully. From Greek: kallos (beauty) + graphia (writing).

Q13. A place where bees are kept:

(A) Aviary   (B) Apiary   (C) Aquarium   (D) Vivarium

Answer: (B) Apiary

Explanation: An 'apiary' is a place where bees are kept; a collection of beehives.

Q14. One who walks in sleep:

(A) Insomniac   (B) Somniloquist   (C) Somnambulist   (D) Narcoleptic

Answer: (C) Somnambulist

Explanation: A 'somnambulist' is a person who sleepwalks. From Latin: somnus (sleep) + ambulare (to walk).

Q15. A person who pretends to be someone else:

(A) Traitor   (B) Impersonator   (C) Fraud   (D) Hypocrite

Answer: (B) Impersonator

Explanation: An 'impersonator' is a person who pretends to be someone else, especially for entertainment or fraud.

Q16. Government by the people:

(A) Monarchy   (B) Autocracy   (C) Democracy   (D) Theocracy

Answer: (C) Democracy

Explanation: 'Democracy' is a system of government by the whole population or all the eligible members, exercised through elected representatives.

Q17. A place where animals are kept:

(A) Apiary   (B) Zoo   (C) Aviary   (D) Sanctuary

Answer: (B) Zoo

Explanation: A 'zoo' (zoological garden) is a place where wild animals are kept for public display. Note: aviary is for birds, apiary for bees.

Q18. Murder of a human being:

(A) Regicide   (B) Suicide   (C) Homicide   (D) Fratricide

Answer: (C) Homicide

Explanation: 'Homicide' is the deliberate and unlawful killing of one person by another. From Latin: homo (human) + cide (kill).

Q19. One who copies another's work without giving credit:

(A) Author   (B) Editor   (C) Plagiarist   (D) Publisher

Answer: (C) Plagiarist

Explanation: A 'plagiarist' is a person who takes the work or ideas of others and passes them off as their own.

Q20. A person who studies old things:

(A) Biologist   (B) Archaeologist   (C) Geologist   (D) Sociologist

Answer: (B) Archaeologist

Explanation: An 'archaeologist' is a person who studies human history through the excavation of sites and analysis of artifacts.

Pro Tip: For the Constable GD 2026 exam, One Word Substitution is a regularly tested area. Revise all 20 questions and their explanations at least twice before the exam. Also attempt mock tests to simulate real exam conditions.