[ryderx34]

Код:

case i of
1:begin
    label1.Caption:='что такое солнце?';
    RadioButton1.Caption:='aftafa';
    RadioButton2.Caption:='aftafa';
    RadioButton3.Caption:='aftafa';
    RadioButton4.Caption:='aftafa';
  end;
2: Label1.Caption := 'f';
end;