No.
The letter z is one which has no lines of symmetry so the answer is 0.
No
1
yes, but only two....
With a very apologetic face because it is not true.
it has no lines of symmetry
the letter Q has no lines of symmetry ➘㊥
The letter R has no lines of symmetry
There are no lines of symmetry in the letter F
The letter R has no lines of symmetry
2 lines of symmetry
One, if you draw a line from the top left of the Letter Z to the bottom right, then it is a mirror image on either side.