Fewpal
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Differentiate between:
(a) Hypocotyl and epicotyl;
(b) Coleoptile and coleorrhiza;
(c) Integument and testa;
(d) Perisperm and pericarp

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HypocotylEpicotyl
The portion of the embryonal axis which lies below the cotyledon in a dicot embryo is known as the hypocotyl.The portion of the embryonal axis which lies above the cotyledon in a dicot embryo is known as the epicotyl.
It terminates with the radicle.It terminates with the plumule.

 

ColeoptileColeorrhiza
It is a conical protective sheath that encloses the plumule in a monocot seed.It is an undifferentiated sheath that encloses the radicle and the root cap in a monocot seed.

 

IntegumentTesta
It is the outermost covering of an ovule. It provides protection to it.It is the outermost covering of a seed.

 

Perispermpercarp
It is the residual nucellus which persists. It is present in some seeds such as beet and black pepper.It is the ripened wall for a fruit which develops from the wall of an ovary.

 

 

 

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