yes
A parallelagram can be a square, which has four lines of symmetry or a rectangle which has two lines of symmetry but the generic parallelagram has zero lines of symmetry
No.
a trapezoidal prism
Yes, it is called a Trapezoidal or a Trapezoidal Prism.
yes/no
Yes.
yes
Yes.
yup:)
Yes it is
Yes.
No, but it can be a parallelogram.