Q. Consider the following statements:
1.Markarian 421 is a supermassive black hole located in the constellation Ursa Major.
2.IXPE Mission is a joint effort of NASA and the Italian Space Agency.
3.Supermassive black holes are objects made of dark matter and can be found scattered throughout the universe.
Which of the statements given above are correct?
Answer: A
Notes:
Explanation –
Statements 1 and 2 are correct. Markarian 421 is a supermassive black hole located in the constellation Ursa Major. IXPE Mission is a joint effort of NASA and the Italian Space Agency.
Statement 3 is incorrect. Supermassive black holes are extremely large and incredibly dense regions in the centers of most galaxies, including our Milky Way galaxy. They are extremely massive and compact regions in space with a tremendous gravitational pull.
Source: ForumIAS

