Which one has the identical singular and plural form? 

memento
dozen
alumnus
basis

সঠিক উত্তর: dozen

The word "memento" maintains its singular and plural forms, which is quite unique. In English, it's common for words to change when transitioning from singular to plural (e.g., "cat" becomes "cats"), but "memento" remains unchanged. So whether you have one memento or several, you still refer to them as "memento." This characteristic sets it apart from the other options:
Bissoy MCQ

Related Questions

Which has the identical singular and plural form?
Which of the following has the identical singular and plural form?
What is the singular plural form of the word. Syllanbus'?
Which singular : plural pair is correct ?

Next steps