Which of these statements is true about Chara?

Which of these statements is true about Chara?

Option 1 : Chara belongs to angiosperm.
Option 2 : Oogonium is placed in the lower part and antheridium in the upper part.
Option 3 : Oogonium is placed in the upper part and antheridium in the lower part.
Option 4 : Oogonium and antheridium are present on different plants.