One Word Substitution (One Word Substitution) | MCQ Quizzes | Category (L/R/M)
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One-word substitution is the replacement of a phrase or a group of words with a single word. It's a valuable tool for enhancing vocabulary, improving writing conciseness, and facilitating clearer communication.
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Category UID: 27
Label UID: 51
Category Name: One Word Substitution
Category Full Name: One Word Substitution
Category Link/Slug: one-word-substitution
Total Quizzes: 102
Total Views: 1284
Last Refreshed: 2026-03-22 19:51:44
Category Description: One-word substitution is the replacement of a phrase or a group of words with a single word. It's a valuable tool for enhancing vocabulary, improving writing conciseness, and facilitating clearer communication.
Q1. A glass container in which fish can be kept?
Q1. A glass container in which fish can be kept?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) Aquarium
Answer: (D) Aquarium
Answer: (D) Aquarium
Substitute Word: Aquarium.
Substitute Word: Aquarium.
Substitute Word: Aquarium.
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Q2. A collection of drawings, documents, etc. that represent a person's, especially an artist's work.
Q2. A collection of drawings, documents, etc. that represent a person's, especially an artist's work.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) Dossier
Answer: (D) Dossier
Answer: (D) Dossier
Substitute Word: Dossier.
Synonyms: Portfolio.
Substitute Word: Dossier. Synonyms: Portfolio.
Substitute Word: Dossier. Synonyms: Portfolio.
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Q3. Working very hard and very carefully.
Q3. Working very hard and very carefully.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (C) Diligent
Answer: (C) Diligent
Answer: (C) Diligent
Diligent
Diligent
Diligent
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Q4. A ruler with complete power over a country.
Q4. A ruler with complete power over a country.
Substitute in one word.
Substitute in one word.
Substitute in one word.
Answer: (B) Dictator
Answer: (B) Dictator
Answer: (B) Dictator
Dictator
Synonyms: Supreme leader, Absolute ruler, Tyrant, Despot, Autocrat
Dictator Synonyms: Supreme leader, Absolute ruler, Tyrant, Despot, Autocrat
Dictator Synonyms: Supreme leader, Absolute ruler, Tyrant, Despot, Autocrat
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Q5. A medical specialist who administers drugs for relieving pain during surgery.
Q5. A medical specialist who administers drugs for relieving pain during surgery.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (A) anesthetist
Answer: (A) anesthetist
Answer: (A) anesthetist
Substitute Word: anesthetist.
Anesthesiologists are medical doctors who specialize in administering anesthesia, the medical treatment that keeps you from feeling pain during procedures or surgery. They also manage your care before, during, and after your surgery.
Synonyms: Anesthesiologists.
Substitute Word: anesthetist. Anesthesiologists are medical doctors who specialize in administering anesthesia, the medical treatment that keeps you from feeling pain during procedures or surgery. They also manage your care before, during, and after your surgery. Synonyms: Anesthesiologists.
Substitute Word: anesthetist. Anesthesiologists are medical doctors who specialize in administering anesthesia, the medical treatment that keeps you from feeling pain during procedures or surgery. They also manage your care before, during, and after your surgery. Synonyms: Anesthesiologists.
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Q6. That which cannot be seen through.
Q6. That which cannot be seen through.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) opaque
Answer: (D) opaque
Answer: (D) opaque
Substitute Word: opaque.
Synonyms: Impenetrable, Non-transparent, Obscure.
Substitute Word: opaque. Synonyms: Impenetrable, Non-transparent, Obscure.
Substitute Word: opaque. Synonyms: Impenetrable, Non-transparent, Obscure.
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Q7. A government by the nobles.
Q7. A government by the nobles.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (B) Aristocracy
Answer: (B) Aristocracy
Answer: (B) Aristocracy
Substitute Word: Aristocracy.
In an aristocracy, power is held by a small group of privileged people, typically those of noble birth.
Substitute Word: Aristocracy. In an aristocracy, power is held by a small group of privileged people, typically those of noble birth.
Substitute Word: Aristocracy. In an aristocracy, power is held by a small group of privileged people, typically those of noble birth.
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Q8. Medical doctors who specialise in diagnosing diseases using X-rays, CT scans and ultrasound
Q8. Medical doctors who specialise in diagnosing diseases using X-rays, CT scans and ultrasound
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (C) radiologist
Answer: (C) radiologist
Answer: (C) radiologist
Substitute Word: radiologist.
Radiologists are highly trained physicians who interpret medical images to help diagnose and treat various medical conditions.
Substitute Word: radiologist. Radiologists are highly trained physicians who interpret medical images to help diagnose and treat various medical conditions.
Substitute Word: radiologist. Radiologists are highly trained physicians who interpret medical images to help diagnose and treat various medical conditions.
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Q9. The therapeutic use of sunlight.
Q9. The therapeutic use of sunlight.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) heliotherapy
Answer: (D) heliotherapy
Answer: (D) heliotherapy
Substitute Word: heliotherapy.
Substitute Word: heliotherapy.
Substitute Word: heliotherapy.
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Q10. A decision on which one cannot go back.
Q10. A decision on which one cannot go back.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) irrevocable
Answer: (D) irrevocable
Answer: (D) irrevocable
Substitute Word: irrevocable.
An irrevocable decision is final and cannot be changed or reversed.
Substitute Word: irrevocable. An irrevocable decision is final and cannot be changed or reversed.
Substitute Word: irrevocable. An irrevocable decision is final and cannot be changed or reversed.
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Q11. An instrument for measuring time accurately in spite of motion or variations in temperature, humidity and air pressure.
Q11. An instrument for measuring time accurately in spite of motion or variations in temperature, humidity and air pressure.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (C) chronometer
Answer: (C) chronometer
Answer: (C) chronometer
Substitute Word: chronometer.
Chronometers are highly accurate timepieces specifically designed to maintain precision under various conditions, including motion and changes in temperature, humidity, and air pressure. They are crucial for navigation and other applications where precise timekeeping is essential.
Substitute Word: chronometer. Chronometers are highly accurate timepieces specifically designed to maintain precision under various conditions, including motion and changes in temperature, humidity, and air pressure. They are crucial for navigation and other applications where precise timekeeping is essential.
Substitute Word: chronometer. Chronometers are highly accurate timepieces specifically designed to maintain precision under various conditions, including motion and changes in temperature, humidity, and air pressure. They are crucial for navigation and other applications where precise timekeeping is essential.
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Q12. A person who is trained for travelling into space.
Q12. A person who is trained for travelling into space.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (C) astronaut
Answer: (C) astronaut
Answer: (C) astronaut
Substitute Word: astronaut.
Substitute Word: astronaut.
Substitute Word: astronaut.
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Q13. The science dealing with X-rays and other high-energy radiation, especially for the diagnosis and treatment of disease.
Q13. The science dealing with X-rays and other high-energy radiation, especially for the diagnosis and treatment of disease.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) radiology
Answer: (D) radiology
Answer: (D) radiology
Substitute Word: radiology.
Radiology encompasses the medical use of imaging techniques such as X-rays, CT scans, MRI scans, Ultrasound, etc.
Substitute Word: radiology. Radiology encompasses the medical use of imaging techniques such as X-rays, CT scans, MRI scans, Ultrasound, etc.
Substitute Word: radiology. Radiology encompasses the medical use of imaging techniques such as X-rays, CT scans, MRI scans, Ultrasound, etc.
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Q14. An internal or external framework of bones.
Q14. An internal or external framework of bones.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) Skeleton
Answer: (D) Skeleton
Answer: (D) Skeleton
Substitute Word: Skeleton.
Internal Skeleton: This refers to the endoskeleton, found within the body of most vertebrates, providing support and protection.
External Skeleton: This refers to the exoskeleton, found in invertebrates like insects and crustaceans, providing external support and protection.
Substitute Word: Skeleton. Internal Skeleton: This refers to the endoskeleton, found within the body of most vertebrates, providing support and protection. External Skeleton: This refers to the exoskeleton, found in invertebrates like insects and crustaceans, providing external support and protection.
Substitute Word: Skeleton. Internal Skeleton: This refers to the endoskeleton, found within the body of most vertebrates, providing support and protection. External Skeleton: This refers to the exoskeleton, found in invertebrates like insects and crustaceans, providing external support and protection.
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Q15. A large building or group of buildings used to house soldiers.
Q15. A large building or group of buildings used to house soldiers.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (D) barracks
Answer: (D) barracks
Answer: (D) barracks
Substitute Word: barracks.
Substitute Word: barracks.
Substitute Word: barracks.
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Q16. A table or flat surface where offerings are made to a deity.
Q16. A table or flat surface where offerings are made to a deity.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (B) Altar
Answer: (B) Altar
Answer: (B) Altar
Substitute Word: Altar.
Substitute Word: Altar.
Substitute Word: Altar.
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Q17. Something that is no longer in use.
Q17. Something that is no longer in use.
Substitute in one word.
Substitute in one word.
Substitute in one word.
Answer: (C) Obsolete
Answer: (C) Obsolete
Answer: (C) Obsolete
Obsolete
Obsolete
Obsolete
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Q18. Incapable of being read.
Q18. Incapable of being read.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (C) illegible
Answer: (C) illegible
Answer: (C) illegible
Substitute Word: illegible.
Illegible: Difficult or impossible to read.
Substitute Word: illegible. Illegible: Difficult or impossible to read.
Substitute Word: illegible. Illegible: Difficult or impossible to read.
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Q19. Something happening by chance in a happy and beneficial way.
Q19. Something happening by chance in a happy and beneficial way.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (B) serendipity
Answer: (B) serendipity
Answer: (B) serendipity
Substitute Word: serendipity.
Serendipity is the occurrence and development of events by chance in a happy or beneficial way.
Substitute Word: serendipity. Serendipity is the occurrence and development of events by chance in a happy or beneficial way.
Substitute Word: serendipity. Serendipity is the occurrence and development of events by chance in a happy or beneficial way.
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Q20. A large, deep pot used both in the oven and as a serving vessel.
Q20. A large, deep pot used both in the oven and as a serving vessel.
What is one word substitution of the phrase?
What is one word substitution of the phrase?
What is one word substitution of the phrase?
Answer: (B) casserole
Answer: (B) casserole
Answer: (B) casserole
Substitute Word: casserole.
Casseroles are versatile and convenient for cooking and serving various dishes, from hearty stews to decadent desserts.
Substitute Word: casserole. Casseroles are versatile and convenient for cooking and serving various dishes, from hearty stews to decadent desserts.
Substitute Word: casserole. Casseroles are versatile and convenient for cooking and serving various dishes, from hearty stews to decadent desserts.
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