Plural Nouns List Quiz

The plural form of "bacterium" is "bacteria." In English, when a noun ends in "-um," the plural form is typically created by changing the "-um" to "-a." Therefore, "bacteria" is the correct plural form for "bacterium."

The plural form of "fungus" is "fungi." This is because "fungi" is the correct pluralization according to the rules of English grammar. The word "fungusses" is not a valid plural form, and "funguss" and "fungises" are not proper English words. Therefore, "fungi" is the only correct option for the plural form of "fungus."

The correct answer is "data" because "datum" is a singular noun derived from Latin, and its plural form is "data" in English. The word "datas" is not a valid plural form, "datums" is the plural of "datum" in Latin but not commonly used in English, and "datumses" is not a recognized word. Therefore, "data" is the correct plural form of "datum".

The correct answer is "cacti" because "cactus" is a noun of Latin origin that follows the pattern of forming its plural by changing the "-us" ending to "-i". This is a common rule for many Latin words that have been adopted into English. Therefore, "cacti" is the correct plural form of "cactus".

The plural form of "addendum" is "addenda." This is because "addendum" is a Latin word that follows the Latin pluralization rule, where the "-um" ending is replaced with "-a" to form the plural. Therefore, "addenda" is the correct plural form of "addendum."

The plural form of "alumnus" is "alumni." "Alumni" is the correct plural form because it refers to a group of male or mixed-gender graduates. "Alumna" is the singular form for a female graduate, while "alumnae" is the plural form for a group of female graduates. "Alumnis" is an incorrect plural form.

The plural form of "genus" is "genera." In biology, "genus" is a taxonomic rank used to classify organisms. When referring to multiple species within the same genus, the plural form is "genera." Therefore, "genera" is the correct answer.

The correct plural form of "alumna" is "alumnae." This is because "alumna" is a Latin word that refers to a female graduate or former student. In Latin, the plural form of "alumna" is "alumnae." Therefore, when referring to multiple female graduates or former female students, we use the term "alumnae."