Unusual Plurals Quiz

Name:

Date:

Instructions: English plurals can be delightfully strange. From octopi to phenomena, test your knowledge of the most unusual plural forms!

1.
What is the correct plural of 'octopus'?
A
Octopodes
B
Octopuses
C
Both 'octopuses' and 'octopodes' are accepted
D
Octopi
2.
What is the plural of 'phenomenon'?
A
Phenomeni
B
Phenomena
C
Phenomenons
D
Phenomenae
3.
Which of these is the correct plural of 'cactus'?
A
Cactuses only
B
Both 'cacti' and 'cactuses'
C
Cactae
D
Cacti only
4.
What is the plural of 'moose'?
A
Meese
B
Mooses
C
Moose
D
Moosen
5.
What is the plural of 'criterion'?
A
Criteriums
B
Criteria
C
Criterions
D
Criteriae
6.
Which of these words has the same singular and plural form?
A
Foot
B
Mouse
C
Sheep
D
Goose
7.
What is the correct plural of 'antenna' when referring to TV antennas?
A
Antennas
B
Antenna
C
Antennae
D
Antennii
8.
What is the plural of 'analysis'?
A
Analyses
B
Analysies
C
Analysi
D
Analysises
9.
Which of these unusual plurals involves a vowel change (called 'umlaut plural')?
A
Geese
B
Oxen
C
Children
D
Brethren
10.
What is the plural of 'die' (as in a single dice)?
A
Dien
B
Dices
C
Dice
D
Dies
11.
What is the plural of 'curriculum vitae' (CV)?
A
Curriculums vitae
B
Curricula vitae
C
Curriculum vitaes
D
Curricula vitarum
12.
Which of these has an unusual plural ending in '-en'?
A
Fox
B
Box
C
Ox
D
Sox
13.
What is the correct plural of 'tableau'?
A
Both are accepted
B
Tableauen
C
Tableaux
D
Tableaus
14.
The plural of 'person' can be 'people', but when is 'persons' used?
A
In legal or formal contexts
B
Never - it's always wrong
C
In British English only
D
When referring to children
15.
What is the plural of 'fungus'?
A
Funguses
B
Both 'fungi' and 'funguses'
C
Fungi
D
Fungae

Find more free puzzles and brain games at www.SeniorBrainGames.org