Yes, the story of Mutiny on the Bounty has some basis in real events. But, like many historical accounts, it might have some elements that have been dramatized or exaggerated over time.
To a large extent, it was true. However, like many historical accounts adapted for storytelling, there might have been some artistic liberties taken to make it more engaging. But the core events did happen in reality.
Sure. Mutiny on the Bounty is inspired by an actual mutiny that occurred at sea. The story has been adapted and fictionalized to some extent for the screen, but it has its roots in real events.