Question

Differentiate between integument and testa.

Answer 1

	Integument	Testa
1.	The structure serves as the covering of the ovule.	It is the outer covering of a seed.
2.	It is thin, one or two layered.	It is quite thick and one layered.
3.	Its cells are living.	Its cells are dead.
4.	Sclereids are absent.	Cells are rich in sclereids.
5.	It arises from the chalazal end of the ovule.	It is derived from the outer integument of the ovule after fertilization.
6.	It is a pre-fertilized structure.	It is a post-fertilized structure.