That is a humorous story. The joke wasn't really humorous.
a joke or witty remark
"He asked the man where the town square was, the answer was rather humorous.""That joke was very humorous."
humorous is an adjective, like the word happy. It is used to describe a noun, and can therefore not be plural. The noun attached to it can be plural though. i.e. a humorous joke or the humorous jokes.
Remark can be a verb (to remark) and a noun (a remark).
No, biro is typically not considered a Filipino value. Biro means joke or tease in Filipino language. It is more of a cultural aspect in communication rather than a core Filipino value. Traditional Filipino values include respect for elders, strong family ties, and hospitality.
The future tense of the word "remark" is "will remark."
Remark can be a verb (to remark) and a noun (a remark).
Humorous is correct.
A quip is a witty remark.
Humorous is an adjective.
Jocular is something funny or witty, a joke or anything thought to be humorous.