Every magnet consists of two poles one is the south pole other one is the north pole. All magnets have two poles. This statement is correct.
The area at either end of a magnet where the external magnetic field is strongest is known as a magnetic pole.
Every magnet consists of two poles one is the south pole other one is the north pole like poles attracts each other while unlike poles repel each other.
Hence option (a) is correct. All magnets have two poles.
To learn more about the magnetic poles refer to the link;
https://brainly.com/question/1377848