Differentiate between: (d) perisperm and pericarp
Explanation (d) Perisperm and pericarp. The perisperm lies below the testa and tegmen. The percicarp is found as a covering of the fruit. Final Answer (d) Perisperm and pericarp. The residual, persistent nucellus after the ovule has transformed into a seed is called the perisperm. The wall of the ovary transforms to form the pericarp after fruit formation.