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IBPS PO One Word Substitution

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This page covers IBPS PO One Word Substitution with complete concept notes, 1 graded practice MCQs, key points and exam-specific tips. Free to study.

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Concept Notes

One Word Substitution— Rules & Concept

Core ConceptRead this first — the foundation of the topic

Core Concept

One Word Substitution tests your ability to identify precise words that capture complete meanings. For example, 'A person who studies stars' becomes 'Astronomer'. The substitute word must match the exact meaning of the given phrase

Key Patterns in SSC CGL

Person-related substitutions (60% of questions) 2. Study/Science field substitutions (25% of questions) 3. Government/Political terms (10% of questions) 4. Miscellaneous concepts (5% of questions) Shortcut Formula 1 - Person Pattern: If the phrase starts with 'A person who...', look for words ending in -er, -ist, -ian, -or

Examples

A person who sells books = Bookseller, A person who studies psychology = Psychologist

Shortcut Formula 2 - Study Pattern

If the phrase mentions 'study of...', add -logy, -graphy, or -metry to the root

Examples

Study of earthquakes = Seismology, Study of handwriting = Graphology

Shortcut Formula 3 - Medical Pattern

Fear/abnormal conditions often end in -phobia. Diseases/conditions end in -itis or -osis

Examples

Fear of water = Hydrophobia, Inflammation of joints = Arthritis.

Worked ExampleSolve this step-by-step before moving on

1

Step 1

Identify the key concept - government by people

2

Step 2

Apply government pattern - look for -cracy endings

3

Step 3

'Demo' means people, 'cracy' means government

4

Step 4

Answer = Democracy Worked Example 2: Question: 'A person who believes that war and violence are unjustified'

1

Step 1

Identify this is a person-related question

2

Step 2

Key concept is 'against war and violence'

3

Step 3

'Pac' means peace, '-ist' indicates a person who believes in something

4

Step 4

Answer = Pacifist Exam

ShortcutsUse these to save 30–60 seconds per question

Use elimination method. If you know 2-3 options are wrong, guess from remaining choices. Most SSC CGL one-word substitutions follow common English patterns, so trust your language instinct.

Exam TrapsCommon mistakes students make — avoid these

#1: Students often confuse similar-sounding words. For example, 'Autobiography' (self-written life story) vs 'Biography' (life story written by others). Always read the phrase carefully to identify WHO is doing the action.

This confusion costs many students easy marks. Another frequent error is mixing up medical and scientific terms. 'Cardiology' is study of heart, while 'Cardiologist' is the person who studies hearts. Pay attention to whether the question asks for the field of study or the person practicing it. Time Management: Spend maximum 30 seconds per question. If you don't know the answer immediately, use elimination and move on.

These questions test vocabulary knowledge, not reasoning ability.

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Key Points to Remember

One word substitution replaces long phrases with single precise words
Person-related questions form 60% of SSC CGL one word substitution questions
Person Pattern Formula: Look for -er, -ist, -ian, -or endings when phrase starts with 'A person who'
Study Pattern Formula: Add -logy, -graphy, -metry to root words for 'study of' phrases
Medical Pattern Formula: Fears end in -phobia, diseases end in -itis or -osis
Government terms typically end in -cracy, -archy, or -ocracy
Always identify WHO is performing the action to avoid autobiography vs biography confusion
Use elimination method when unsure - eliminate 2-3 wrong options and guess
Spend maximum 30 seconds per question to maintain exam speed
Trust language instinct as most substitutions follow common English patterns

Exam-Specific Tips

SSC CGL contains 2-3 direct one word substitution questions every year
Democracy means government by the people, derived from Greek 'demos' (people) and 'kratos' (power)
Autobiography is self-written life story while Biography is written by someone else
Pacifist believes war and violence are unjustified, from Latin 'pax' meaning peace
Astronomer studies celestial bodies, Astrologer predicts future using stars
Philanthropy means love for humanity, from Greek 'philos' (love) and 'anthropos' (human)
Regicide is killing of a king, Patricide is killing of father, Matricide is killing of mother
Misogynist hates women, Misanthropist hates humanity in general

Practice MCQs

One Word Substitution — Practice Questions

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Choose the ONE WORD SUBSTITUTION for: 'A person who is present in a place but not officially participating or taking part in it.'

60-Second Revision — One Word Substitution

Remember: Person questions use -er, -ist, -ian, -or pattern endings
Formula: Study of + concept = add -logy, -graphy, or -metry
Trap: Don't confuse autobiography (self-written) vs biography (written by others)
Pattern: Government types end in -cracy, -archy, medical fears in -phobia
Strategy: Use elimination method and trust language instinct for unknown words
Timing: Maximum 30 seconds per question, move on if stuck
Focus: Read WHO is doing the action carefully to avoid person vs concept confusion

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