Persistent nucellus in the seed is known as:
Chalaza
Perisperm
Hilum
Tegmen
Nucellus is the central tissue of ovules that contains the embryo sac. In some seeds like black pepper, it presists after the double fertilization. The persistent nucellus is called perisperm. It performs nutritive function.
Chalaza
Option 2)Perisperm
Option 3)Hilum
Option 4)Tegmen