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1.Testa
- also called seed coat
- a tough outer covering which protects the seed from insects, bacteria etc
- segment is the membrane inside the testa
2.Hilum
- a scar
- spot where the seed was attached to the fruit or pod
3.Micropyle
- small hole through which water and air enter the seed
4.Radicle
- embryonic root
- grows into the shoot system
5.Cotyledons
- embryonic leaves
- store food for the germinating seed i.e. for plumule and radicle
- when plumule and radicle grow, they use food stored in the cotyledon
- in some seeds food is stored in the endosperm
ericmunguti answered the question on October 5, 2018 at 10:37
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