Question

Write one function of testa cotyledon and radicle igcse

Answer 1

cotyledon stores food for the embryo,radicle is the future root of an embryo and testa forms an outer covering that protects the seed from temprature variations etc

Answer 2

Testa protect inner delicate organ from injury
Cotyledon store food and first two leaves originate from here
Radicle grow future root