Multiple choice Why are angiosperms called 'closed-seeded plants'? Because seeds are enclosed in fruits. Because seeds are divided into two parts. Because seeds are enclosed in a thick covering. Because radicle and plumule are present inside the seeds. Reveal answer Fill a bubble to check yourself A Correct answer Explanation The angiosperms bear true flowers, and their seeds are enclosed in fruit till they become mature. That is why, they are called closed-seeded plants.