Does a person have a biological lower and upper limit with the tone one can achieve with his/her voice?

1. Is there a limit to your vocal range?
2. What is the highest note a woman can sing?
3. Is it easier to sing higher or lower?

Is there a limit to your vocal range?

The maximum vocal range is partly determined by genetics. And though 2 octaves is pretty impressive it still doesn't tell us how much more there is to explore in your voice. One possibility is that you're still far from your boundaries.

What is the highest note a woman can sing?

Consequently, singing voices for women are usually a little higher than for men, with the highest female voice (soprano) reaching C6 and the lowest one (contralto) going down to E3, while the highest male voice (countertenor, typically in falsetto) may hit E5, and the lowest one (bass) can drop down to E2.

Is it easier to sing higher or lower?

As a singer we want to filter the air evenly from low notes to high notes. The faster the vocal folds undulate, the higher the note. ... As notes get higher, the cords start to unzip and you need less air but more support.