Which of these is a singular noun?

events
news
sciences
figures

I think it's news

Right

It’s sciences

Correct! "News" is a singular noun.

You are correct! "News" is indeed a singular noun. To determine whether a noun is singular or plural, you can look at its form and consider its meaning. In this case, "news" is typically used as a collective noun to refer to various pieces or stories of information, so it is treated as singular. The other options you mentioned are plural nouns.