Why does a bar magnet always stand in N-S direction,when suspended freely?

State whether the following statements are true or false : Bar magnet always points towards North-South direction.

Why does earthworm always show cross-fertilization?

What happens when a south pole of a magnet is brought near the south pole a suspended bar magnet?

Derive an expression for the torque acting on an electric dipole suspended freely in a uniform electric field. How will you determine the direction of torque?