Differentiate between
(a)
Hypocotyl |
Epicotyl |
|
1. |
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. |
2. |
It terminates with the radicle. |
It terminates with the plumule. |
(b)
Coleoptile |
Coleorrhiza |
|
|
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. |
(c)
Integument |
Testa |
|
|
It is the outermost covering of an ovule. It provides protection to it. |
It is the outermost covering of a seed. |
(d)
Perisperm |
Pericarp |
|
|
It is the residual nucellus which persists. It is present in some seeds such as beet and black pepper. |
It is the ripened wall of a fruit, which develops from the wall of an ovary. |
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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 13: Differentiate between: (a) Hypocotyl and epicotyl (b) Coleoptile and coleorrhiza (c) Integument and ....
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