Question

difference between testa and intugment

Answer 1

testa
1) it is thick layered
2) it arises from outer ovule after fertilisation

integument
1) it is single or double layered
2) arises from chalaml end of ovule

Answer 2

Testa is the inner covering of seed coat. Formed after fertilisation.
Integument is the covering of ovule. Present during pre fertilisation stage and after fertilisation changes into seed coat (testa+teguent).