Question
Defferentiate between: (b) coleoptile and coleorrhiza

Answer

S.No.ColeoptileColeorrhiza
1.The sheath that encloses shoot apex and leaf primorolia is called coleoptile in grasses and cereals.The sheath that covers radicle is called coleorrhiza in cereals and grasses.
2.It protects the plumule during its emergence from soil.It does not protect radicle during its growth in soil.
3.After emerging from soil, coleoptile turns green and carries out photosynthesis.It remains nongreen as it never emerges out of soil.

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