100+ SINGULAR TO PLURAL MCQS FOR COMPETITIVE EXAMS (TGT, PGT, KVS, SSC, IBPS, TET,CTET, UPSC) | ULTIMATE GUIDE

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The Ultimate Guide: 100+ Singular to Plural MCQs for Competitive Exams

Singular TO Plural MCQS: Welcome to Objective English! If there’s one topic that forms the bedrock of English grammar and is a favorite among examiners, it’s the correct usage of Singular and Plural Nouns. A single error in this area can lead to a loss of marks in sentence correction, fill-in-the-blanks, and error-spotting questions. This is a crucial topic for major exams like SSC CGL, CHSL, IBPS PO, SBI Clerk, CDS, NDA, and others.

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To help you achieve complete mastery, we have compiled the most comprehensive list of 100+ Singular to Plural MCQs. These questions, sourced from various competitive exam papers, cover every rule, exception, and tricky case you need to know. Let’s begin!


Part 1: Regular Plurals & Nouns ending in -S, -SH, -CH, -X, -Z

This section covers the foundational rules of forming plurals by adding ‘-s’ or ‘-es’.

Q1. What is the plural of ‘Box’?
(SSC MTS Exam)

A) Box
B) Boxs
C) Boxes
D) Boxen

Answer & Explanation: C) Boxes
Nouns ending in -x, -s, -sh, -ch, -z form their plural by adding ‘-es’.

Q2. Choose the correct plural for ‘Church’.
(IBPS Clerk Prelims)

A) Churchs
B) Churches
C) Church
D) Churchies

Answer & Explanation: B) Churches
Nouns ending in ‘-ch’ add ‘-es’ to form the plural.

Q3. The plural of ‘Bus’ is:
(State Police Constable Exam)

A) Buss
B) Buses
C) Busses
D) Bus

Answer & Explanation: B) Buses
Nouns ending in ‘-s’ add ‘-es’. Note: ‘Busses’ is an alternative but less common spelling.

Q4. What is the plural of ‘Kiss’?
(Basic Grammar Question)

A) Kisses
B) Kiss
C) Kissen
D) Kiss’s

Answer & Explanation: A) Kisses
Nouns ending in ‘-ss’ add ‘-es’ to form the plural.

Q5. The correct plural for ‘Tax’ is:
(SSC CGL Tier-I)

A) Tax
B) Taxes
C) Taxs
D) Taxen

Answer & Explanation: B) Taxes
Nouns ending in ‘-x’ add ‘-es’.

Q6. Choose the plural of ‘Wish’.
(CDS Exam)

A) Wishs
B) Wishies
C) Wishes
D) Wish

Answer & Explanation: C) Wishes
Nouns ending in ‘-sh’ add ‘-es’.

Q7. What is the plural form of ‘Stomach’?
(Common Exception Question)

A) Stomaches
B) Stomachs
C) Stomachen
D) Stomach

Answer & Explanation: B) Stomachs
This is an exception. When a noun ending in ‘-ch’ is pronounced with a ‘k’ sound, we add only ‘-s’.

Q8. Find the plural of ‘Monarch’.
(NDA & NA Exam)

A) Monarches
B) Monarchs
C) Monarch
D) Monarchies

Answer & Explanation: B) Monarchs
Similar to ‘stomach’, ‘monarch’ ends with a ‘k’ sound, so it takes only ‘-s’.

Q9. The plural form of ‘Quiz’ is:
(SBI PO Prelims)

A) Quizs
B) Quizes
C) Quizzes
D) Quiz

Answer & Explanation: C) Quizzes
For some nouns ending in ‘-z’ or ‘-s’, the final consonant is doubled before adding ‘-es’.

Q10. What is the plural of ‘Class’?
(UPTET Exam)

A) Class
B) Classes
C) Classis
D) Classs

Answer & Explanation: B) Classes
Nouns ending in ‘-ss’ form their plural by adding ‘-es’.

Q11. The plural of ‘Dish’ is:
(Hotel Management Entrance)

A) Dishes
B) Dishs
C) Dish
D) Dishen

Answer & Explanation: A) Dishes
Nouns ending in ‘-sh’ take ‘-es’ in the plural form.

Q12. Choose the correct plural of ‘Branch’.
(Bank of Baroda PO)

A) Branch
B) Branchs
C) Branches
D) Branchies

Answer & Explanation: C) Branches
Nouns ending in ‘-ch’ that make a ‘tch’ sound add ‘-es’.

Q13. Find the plural for ‘Gas’.
(Railways RRB Exam)

A) Gas
B) Gasses
C) Gases
D) Gasis

Answer & Explanation: C) Gases
Like ‘bus’, ‘gas’ forms its plural by adding ‘-es’.

Q14. What is the plural of ‘Waltz’?
(Advanced Grammar)

A) Waltzes
B) Waltz
C) Waltzs
D) Waltzee

Answer & Explanation: A) Waltzes
Nouns ending in ‘-z’ typically add ‘-es’.

Q15. The plural of ‘Arch’ is:
(SSC CGL Tier-I)

A) Arches
B) Archs
C) Archen
D) Arch

Answer & Explanation: A) Arches
Nouns ending in ‘-ch’ add ‘-es’.


Part 2: Nouns ending in -O, -Y, -F, -FE

This section tests the common but often confusing rules for plurals of nouns with specific endings.

Q16. What is the plural form of ‘Lady’?
(SSC CHSL 2021)

A) Ladys
B) Ladi
C) Ladies
D) Lady

Answer & Explanation: C) Ladies
For nouns ending in a consonant followed by ‘-y’, the ‘-y’ is replaced with ‘-ies’.

Q17. Choose the plural of ‘Toy’.
(IBPS RRB Clerk)

A) Toies
B) Toys
C) Toyes
D) Toi

Answer & Explanation: B) Toys
For nouns ending in a vowel followed by ‘-y’, we simply add ‘-s’.

Q18. Find the correct plural for ‘Potato’.
(FCI Manager Exam)

A) Potatos
B) Potato
C) Potatoes
D) Potatois

Answer & Explanation: C) Potatoes
Nouns ending in a consonant followed by ‘-o’ usually take ‘-es’ in the plural.

Q19. The plural of ‘Wife’ is:
(CDS Exam)

A) Wifes
B) Wives
C) Wife
D) Wive

Answer & Explanation: B) Wives
Most nouns ending in ‘-fe’ form their plural by changing ‘-fe’ to ‘-ves’.

Q20. What is the plural of ‘Kilo’?
(SSC CGL Tier-I)

A) Kiloes
B) Kilos
C) Kiloi
D) Kilo

Answer & Explanation: B) Kilos
This is an exception to the ‘-o’ rule, often with words of foreign origin or clipped words. We just add ‘-s’.

Q21. Choose the plural form of ‘Calf’.
(NDA Exam)

A) Calfs
B) Calf
C) Calves
D) Calve

Answer & Explanation: C) Calves
Nouns ending in ‘-f’ often form their plural by changing ‘-f’ to ‘-ves’.

Q22. Find the plural of ‘Belief’.
(SBI PO Prelims)

A) Believes
B) Beliefs
C) Belief
D) Believs

Answer & Explanation: B) Beliefs
This is an exception to the ‘-f’ rule. Words like belief, chief, roof, proof just add ‘-s’.

Q23. The plural for ‘Echo’ is:
(SSC MTS)

A) Echos
B) Echoes
C) Echo
D) Echies

Answer & Explanation: B) Echoes
Follows the rule of adding ‘-es’ to nouns ending in a consonant + ‘o’.

Q24. What is the plural of ‘Key’?
(IBPS Clerk)

A) Keyes
B) Keies
C) Keys
D) Key

Answer & Explanation: C) Keys
Nouns ending in a vowel + ‘y’ simply add ‘-s’.

Q25. Select the plural of ‘Life’.
(CDS 2021)

A) Lifes
B) Lives
C) Lifen
D) Life

Answer & Explanation: B) Lives
Nouns ending in ‘-fe’ change ‘-fe’ to ‘-ves’.

Q26. The plural of ‘Army’ is:
(AFCAT Exam)

A) Armys
B) Army
C) Armies
D) Armes

Answer & Explanation: C) Armies
Consonant + ‘y’ ending becomes ‘-ies’.

Q27. What is the plural of ‘Hoof’?
(SSC CPO)

A) Hoofs
B) Hooves
C) Hoof
D) Both A and B are correct

Answer & Explanation: D) Both A and B are correct
Like ‘dwarf’, ‘hoof’ has two accepted plurals. ‘Hooves’ is more common, but ‘hoofs’ is also correct.

Q28. Find the correct plural for ‘Mango’.
(Basic Grammar)

A) Mangos
B) Mangoes
C) Both A and B are correct
D) Mango

Answer & Explanation: C) Both A and B are correct
Both spellings are widely accepted, though ‘mangoes’ is often preferred.

Q29. Choose the plural of ‘Story’.
(Bank Clerk Exam)

A) Stories
B) Storys
C) Storeys
D) Story

Answer & Explanation: A) Stories
Refers to a tale. Consonant + ‘y’ becomes ‘-ies’. ‘Storeys’ is the plural of ‘storey’ (a floor of a building).

Q30. The plural of ‘Knife’ is:
(SSC GD Constable)

A) Knifes
B) Knife
C) Knive
D) Knives

Answer & Explanation: D) Knives
Nouns ending in ‘-fe’ change to ‘-ves’.

Q31. What is the plural of ‘Zero’?
(IBPS SO)

A) Zero
B) Zeros
C) Zeroes
D) Both B and C are correct

Answer & Explanation: D) Both B and C are correct
Both forms are correct, with ‘zeros’ being more common in the US and ‘zeroes’ in the UK.

Q32. Select the plural of ‘Roof’.
(Common Exception)

A) Rooves
B) Roofs
C) Roof
D) Roves

Answer & Explanation: B) Roofs
This is a common exception to the ‘-f’ rule; we just add ‘-s’.

Q33. Choose the correct plural for ‘Family’.
(SSC CGL)

A) Familys
B) Family
C) Famili
D) Families

Answer & Explanation: D) Families
Nouns ending in a consonant + ‘y’ change ‘y’ to ‘ies’.

Q34. The plural of ‘Shelf’ is:
(IKEA Catalog grammar!)

A) Shelfs
B) Shelves
C) Shelf
D) Sheves

Answer & Explanation: B) Shelves
Follows the common rule of changing ‘-f’ to ‘-ves’.

Q35. Find the plural of ‘Video’.
(Modern Usage)

A) Videoes
B) Videos
C) Vidii
D) Video

Answer & Explanation: B) Videos
Words ending in a vowel + ‘o’ just add ‘-s’.

Q36. The plural of ‘Volcano’ is:
(CDS Exam)

A) Volcanos
B) Volcanoes
C) Both A and B are correct
D) Volcano

Answer & Explanation: C) Both A and B are correct
Both plural forms are standard and widely accepted.

Q37. Choose the plural of ‘Thief’.
(Police SI Exam)

A) Thiefs
B) Thieve
C) Thieves
D) Thief

Answer & Explanation: C) Thieves
Another common noun where ‘-f’ changes to ‘-ves’.

Q38. What is the plural of ‘Chief’?
(SSC CPO)

A) Chieves
B) Chief
C) Chiefs
D) Cheves

Answer & Explanation: C) Chiefs
An important exception where we only add ‘-s’.

Q39. The plural form of ‘City’ is:
(Basic Grammar)

A) Citys
B) City
C) Cities
D) Citis

Answer & Explanation: C) Cities
Consonant + ‘y’ ending becomes ‘-ies’.

Q40. Find the correct plural for ‘Loaf’.
(IBPS Clerk)

A) Loafs
B) Loaves
C) Loafs’s
D) Loaf

Answer & Explanation: B) Loaves
The ‘-f’ changes to ‘-ves’ to form the plural.


Part 3: Irregular Plurals (Vowel Change, -en, etc.)

This section covers nouns that don’t follow any standard rules and must be memorized.

Q41. What is the plural form of ‘Man’?
(SSC GD Constable)

A) Mans
B) Men
C) Man
D) Mens

Answer & Explanation: B) Men
This is an irregular plural formed by a vowel change.

Q42. Choose the plural of ‘Foot’.
(NDA Exam)

A) Foots
B) Feets
C) Foot
D) Feet

Answer & Explanation: D) Feet
An irregular plural where ‘oo’ changes to ‘ee’.

Q43. The plural of ‘Child’ is:
(UPTET Exam)

A) Childs
B) Children
C) Child
D) Childes

Answer & Explanation: B) Children
An irregular plural formed by adding ‘-ren’.

Q44. Select the correct plural for ‘Tooth’.
(IBPS RRB Clerk)

A) Tooths
B) Teethes
C) Teeth
D) Tooth

Answer & Explanation: C) Teeth
Irregular plural where ‘oo’ changes to ‘ee’.

Q45. What is the plural of ‘Mouse’?
(CDS Exam)

A) Mouses
B) Mice
C) Mouse
D) Meese

Answer & Explanation: B) Mice
An irregular plural formed by a vowel and consonant change.

Q46. The plural form of ‘Goose’ is:
(SSC CGL)

A) Gooses
B) Geese
C) Goose
D) Geeses

Answer & Explanation: B) Geese
Another ‘oo’ to ‘ee’ vowel change plural.

Q47. Choose the correct plural of ‘Ox’.
(AFCAT Exam)

A) Oxes
B) Ox
C) Oxen
D) Oxxen

Answer & Explanation: C) Oxen
An archaic plural form ending in ‘-en’, similar to ‘child’ -> ‘children’.

Q48. The plural of ‘Woman’ is:
(Bank PO Exam)

A) Womans
B) Women
C) Wo-men
D) Woman

Answer & Explanation: B) Women
An irregular plural with a vowel change. Note the pronunciation change as well.

Q49. What is the plural of ‘Louse’?
(Advanced Vocabulary)

A) Louses
B) Lice
C) Louse
D) Lices

Answer & Explanation: B) Lice
An irregular plural, similar to ‘mouse’ -> ‘mice’.

Q50. The correct plural for ‘Person’ is:
(Tricky Question)

A) Persons
B) People
C) Both A and B are correct
D) Person

Answer & Explanation: C) Both A and B are correct
‘People’ is the most common plural. ‘Persons’ is used in formal, legal, or official contexts to emphasize individuals (e.g., ‘This elevator is for ten persons only’).

Q51. The plural form of ‘Die’ (a small cube used in games) is:
(CAT Exam Level)

A) Dies
B) Dice
C) Die
D) Dees

Answer & Explanation: B) Dice
The plural of ‘die’ (for gaming) is ‘dice’. The plural of ‘die’ (to cease living) is ‘dies’ (verb form).

Q52. Choose the correct plural for ‘Penny’.
(International Exams)

A) Pennies
B) Pence
C) Both A and B are correct
D) Pennys

Answer & Explanation: C) Both A and B are correct
‘Pennies’ refers to individual one-cent coins. ‘Pence’ refers to a sum of money (used in the UK). Both are plurals of ‘penny’.

Q53. The plural form of ‘Brother’ can be:
(Advanced Grammar)

A) Brothers
B) Brethren
C) Both A and B are correct
D) Brothren

Answer & Explanation: C) Both A and B are correct
‘Brothers’ is the standard plural. ‘Brethren’ is an archaic plural used for fellow members of a society or religious group.

Q54. Find the plural of ‘Elf’.
(SSC CGL Tier-II)

A) Elfs
B) Elves
C) Elf
D) Elfen

Answer & Explanation: B) Elves
Follows the same pattern as ‘calf’ and ‘half’, changing ‘-f’ to ‘-ves’.

Q55. The plural of ‘Scarf’ is:
(CDS Exam)

A) Scarfs
B) Scarves
C) Both A and B are correct
D) Scarf

Answer & Explanation: C) Both A and B are correct
Both ‘scarfs’ and ‘scarves’ are accepted plurals, though ‘scarves’ is more common.

Q56. What is the plural of ‘Gentleman’?
(IBPS PO)

A) Gentlemans
B) Gentleman
C) Gentle-men
D) Gentlemen

Answer & Explanation: D) Gentlemen
The ‘-man’ part of the compound word is pluralized to ‘-men’.

Q57. The correct plural for ‘Half’ is:
(Railways RRB Exam)

A) Halfs
B) Halves
C) Half
D) Haves

Answer & Explanation: B) Halves
The ‘-f’ changes to ‘-ves’.

Q58. Choose the plural form of ‘Leaf’.
(SSC MTS)

A) Leaves
B) Leafs
C) Leave
D) Leaf

Answer & Explanation: A) Leaves
Another common noun where ‘-f’ becomes ‘-ves’.

Q59. The plural of ‘Dormouse’ is:
(Advanced Vocabulary)

A) Dormouses
B) Dormice
C) Dormouse
D) Dormice’s

Answer & Explanation: B) Dormice
It follows the irregular pattern of ‘mouse’ -> ‘mice’.

Q60. Find the plural of ‘Self’.
(CDS Exam)

A) Selfs
B) Selves
C) Self
D) Selve

Answer & Explanation: B) Selves
The ‘-f’ ending changes to ‘-ves’.


Part 4: Foreign Plurals (Latin & Greek Origin)

These are high-frequency questions in competitive exams, focusing on words that retain their original plural forms.

Q61. What is the plural form of ‘Datum’?
(NDA & NA Exam)

A) Datums
B) Datas
C) Data
D) Datae

Answer & Explanation: C) Data
‘Datum’ is a singular Latin noun; its plural is ‘Data’.

Q62. The plural of ‘Phenomenon’ is:
(UPSC CSE Prelims – CSAT)

A) Phenomenons
B) Phenomenae
C) Phenomena
D) Phenomenon

Answer & Explanation: C) Phenomena
This is a Greek-origin word where ‘-on’ changes to ‘-a’.

Q63. Choose the plural of ‘Radius’.
(SSC CGL Tier-II)

A) Radiuses
B) Radies
C) Radii
D) Radius

Answer & Explanation: C) Radii
A Latin-origin noun where ‘-us’ is replaced by ‘-i’ to form the plural.

Q64. Find the correct plural for ‘Analysis’.
(SSC CGL 2018)

A) Analysae
B) Analyses
C) Analysi
D) Analysises

Answer & Explanation: B) Analyses
Nouns of Greek origin ending in ‘-is’ form their plural by changing ‘-is’ to ‘-es’.

Q65. The plural form of ‘Syllabus’ is:
(CDS Exam 2022)

A) Syllabuses
B) Syllabi
C) Both A and B are correct
D) Syllabus

Answer & Explanation: C) Both A and B are correct
The traditional Latin plural is ‘Syllabi’, but the anglicized ‘Syllabuses’ is also correct.

Q66. What is the plural of ‘Index’?
(RBI Grade B Exam)

A) Index
B) Indexes
C) Indices
D) Both B and C are correct

Answer & Explanation: D) Both B and C are correct
‘Indexes’ is for book lists; ‘Indices’ is for math/science contexts.

Q67. The plural of ‘Crisis’ is:
(IBPS PO)

A) Crisises
B) Crisi
C) Crisis
D) Crises

Answer & Explanation: D) Crises
Follows the ‘-is’ to ‘-es’ rule, like ‘analysis’.

Q68. Choose the plural form of ‘Alumnus’.
(University Entrance Exam)

A) Alumnuses
B) Alumni
C) Alumnae
D) Alumnus

Answer & Explanation: B) Alumni
‘Alumnus’ (a male graduate) becomes ‘Alumni’. ‘Alumna’ (a female graduate) becomes ‘Alumnae’.

Q69. Find the plural for ‘Medium’.
(SSC CPO)

A) Mediums
B) Media
C) Both A and B are correct
D) Medium

Answer & Explanation: C) Both A and B are correct
‘Media’ is the traditional plural (especially for mass communication). ‘Mediums’ is used for spiritualists or sizes.

Q70. What is the plural of ‘Focus’?
(CDS Exam)

A) Focuses
B) Foci
C) Both A and B are correct
D) Focus

Answer & Explanation: C) Both A and B are correct
‘Foci’ is the traditional plural, used in technical contexts. ‘Focuses’ is more common in general use.

Q71. The plural of ‘Formula’ is:
(NDA Maths Paper)

A) Formula
B) Formulas
C) Formulae
D) Both B and C are correct

Answer & Explanation: D) Both B and C are correct
‘Formulas’ is the standard English plural. ‘Formulae’ is the Latin plural, often used in science.

Q72. Choose the correct plural for ‘Cactus’.
(FCI Manager Exam)

A) Cactus
B) Cactuses
C) Cacti
D) Both B and C are correct

Answer & Explanation: D) Both B and C are correct
Both the Latin (‘Cacti’) and English (‘Cactuses’) plurals are correct.

Q73. What is the plural of ‘Axis’?
(SSC Scientific Assistant)

A) Axises
B) Axes
C) Axis
D) Axii

Answer & Explanation: B) Axes
The plural of ‘axis’ is ‘axes’, following the ‘-is’ to ‘-es’ rule.

Q74. Find the plural for ‘Appendix’.
(Biology/Book Terminology)

A) Appendixes
B) Appendices
C) Both A and B are correct
D) Appendix

Answer & Explanation: C) Both A and B are correct
‘Appendices’ is common for supplements in books; ‘Appendixes’ is often used for the anatomical organ.

Q75. The plural of ‘Basis’ is:
(IBPS PO Mains)

A) Basises
B) Base
C) Bases
D) Basi

Answer & Explanation: C) Bases
Follows the rule of changing ‘-is’ to ‘-es’ for the plural.

Q76. The plural form of ‘Oasis’ is:
(CDS Exam)

A) Oases
B) Oasi
C) Oasises
D) Oasis

Answer & Explanation: A) Oases
Another noun of Greek origin where ‘-is’ becomes ‘-es’.

Q77. Choose the plural of ‘Thesis’.
(University Entrance)

A) Thesises
B) Thesis
C) These
D) Theses

Answer & Explanation: D) Theses
The plural is formed by changing ‘-is’ to ‘-es’.

Q78. What is the plural of ‘Curriculum’?
(SBI PO)

A) Curricula
B) Curriculums
C) Both A and B are correct
D) Curriculum

Answer & Explanation: C) Both A and B are correct
‘Curricula’ is the traditional Latin plural, and ‘curriculums’ is the anglicized version. Both are correct.

Q79. The plural of ‘Fungus’ is:
(SSC CGL)

A) Fungi
B) Funguses
C) Both A and B are correct
D) Fungus

Answer & Explanation: C) Both A and B are correct
Both the Latin plural (‘Fungi’) and the English plural (‘Funguses’) are accepted.

Q80. Find the plural of ‘Vertebra’.
(Biology Term)

A) Vertebras
B) Vertebrae
C) Vertebri
D) Vertebra

Answer & Explanation: B) Vertebrae
For Latin nouns ending in ‘-a’, the plural is often formed by adding ‘-e’.


Part 5: Compound Nouns & Nouns with No Change

This final section covers compound words and special nouns that are the same in both singular and plural forms.

Q81. What is the plural of ‘Daughter-in-law’?
(CDS Exam 2020)

A) Daughter-in-laws
B) Daughters-in-law
C) Daughters-in-laws
D) Daughter-ins-law

Answer & Explanation: B) Daughters-in-law
The principal word (‘Daughter’) in a compound noun is pluralized.

Q82. Choose the correct plural for ‘Sheep’.
(State PSC Exam)

A) Sheeps
B) Sheep
C) Sheepes
D) Shoop

Answer & Explanation: B) Sheep
This noun has the same form for both singular and plural.

Q83. The plural of ‘Fish’ is:
(Tricky Case)

A) Fish
B) Fishes
C) Both A and B are correct
D) Fish’s

Answer & Explanation: C) Both A and B are correct
‘Fish’ is used for a number of fish of the same species. ‘Fishes’ is used to refer to multiple species of fish.

Q84. Find the plural of ‘Commander-in-chief’.
(NDA Exam)

A) Commander-in-chiefs
B) Commanders-in-chief
C) Commanders-in-chiefs
D) Commander-ins-chief

Answer & Explanation: B) Commanders-in-chief
The principal word, ‘Commander’, is made plural.

Q85. What is the plural form of ‘Series’?
(SSC CGL)

A) Serieses
B) Sery
C) Series
D) Serie

Answer & Explanation: C) Series
This noun is the same in its singular and plural forms.

Q86. Choose the correct plural for ‘Deer’.
(Forest Guard Exam)

A) Deers
B) Deeres
C) Deer
D) Dears

Answer & Explanation: C) Deer
Like ‘sheep’, the plural of ‘deer’ is ‘deer’.

Q87. The plural of ‘Maid-servant’ is:
(CDS Exam)

A) Maids-servant
B) Maid-servants
C) Maids-servants
D) Maid-servant

Answer & Explanation: C) Maids-servants
For compound nouns made with ‘man’ or ‘woman’ (or ‘maid’), both parts are typically made plural.

Q88. Find the plural for ‘Aircraft’.
(AFCAT Exam)

A) Aircrafts
B) Aircraftes
C) Aircraft
D) Aircrafen

Answer & Explanation: C) Aircraft
This noun has the same form for both singular and plural.

Q89. What is the plural of ‘Step-son’?
(IBPS PO)

A) Steps-son
B) Step-sons
C) Steps-sons
D) Step-son

Answer & Explanation: B) Step-sons
For compound nouns like this, the last part is pluralized.

Q90. The plural form of ‘Species’ is:
(SSC Scientific Assistant)

A) Species
B) Specieses
C) Speci
D) Specie

Answer & Explanation: A) Species
This word is the same in singular and plural.

Q91. Select the plural of ‘Court-martial’.
(JAG / Law Entrance)

A) Court-martials
B) Courts-martial
C) Courts-martials
D) Court-martial

Answer & Explanation: B) Courts-martial
A tricky one. The main noun ‘court’ is pluralized here.

Q92. What is the plural of ‘Headquarters’?
(CDS Exam)

A) Headquarter
B) Headquarterses
C) Headquarters
D) Headsquarter

Answer & Explanation: C) Headquarters
This noun is used in the same form for both singular (one headquarters) and plural (several headquarters).

Q93. The plural of ‘Looker-on’ is:
(Advanced Grammar)

A) Looker-ons
B) Lookers-on
C) Lookers-ons
D) Looker-on

Answer & Explanation: B) Lookers-on
The principal word ‘Looker’ is pluralized.

Q94. Choose the plural of ‘Swine’.
(Agriculture Officer Exam)

A) Swines
B) Swine
C) Swinen
D) Swoon

Answer & Explanation: B) Swine
The noun ‘swine’ (pig/pigs) is the same in both singular and plural forms.

Q95. The plural of ‘Spoonful’ is:
(SSC CGL)

A) Spoonsful
B) Spoonfuls
C) Spoonsfull
D) Spoonful

Answer & Explanation: B) Spoonfuls
Compound nouns ending in ‘-ful’ are pluralized by adding ‘-s’ at the end.

Q96. What is the plural of ‘Offspring’?
(Biology Terminology)

A) Offsprings
B) Offspring
C) Offspreng
D) Offs-prings

Answer & Explanation: B) Offspring
Another noun that remains the same for singular and plural.

Q97. Find the plural of ‘Passer-by’.
(SSC MTS Exam)

A) Passer-bys
B) Passers-by
C) Passers-bys
D) Passer-by

Answer & Explanation: B) Passers-by
The main noun, ‘Passer’, is made plural.

Q98. The plural of ‘Handful’ is:
(IBPS Clerk)

A) Handsful
B) Handfuls
C) Handsfull
D) Handful

Answer & Explanation: B) Handfuls
Like ‘spoonful’, the ‘-s’ is added at the end of the word.

Q99. The plural of ‘Attorney-general’ is:
(Legal Terminology)

A) Attorney-generals
B) Attorneys-general
C) Attorneys-generals
D) Attorney-general

Answer & Explanation: B) Attorneys-general
The main noun, ‘Attorney’, is made plural.

Q100. Choose the correct plural of ‘Trout’.
(SSC CGL Tier-II)

A) Trouts
B) Troutes
C) Trout
D) Trouten

Answer & Explanation: C) Trout
Like ‘fish’ and ‘deer’, ‘trout’ is a noun that usually has the same form for both singular and plural.


Final Words & Key Takeaways

Congratulations on tackling this extensive list of 100+ Singular and Plural Noun MCQs! Consistent practice with these questions will solidify your understanding and help you avoid common errors in the General English section.

Remember to focus on the key problem areas:

  • Nouns with exceptions to standard rules (e.g., roof, chief).
  • Irregular plurals that must be memorized (e.g., mouse, child, ox).
  • Foreign plurals from Latin and Greek (e.g., criterion, radius, analysis).
  • Pluralization of compound nouns (e.g., brother-in-law, passer-by).

Singular to Plural MCQs :This was the first post in our comprehensive MCQ series. We’ll be back soon with the next set of questions on another crucial topic. Keep practicing, and feel free to ask any questions in the comments below!


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