Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
______ is the outermost protective layer of the stem |
Epidermis |
|
C9vered with a |
Thin layer of cuticle |
|
May bear |
Trichomes and few stomata |
|
Cortex formed by |
Cells arranged in multiple layers between epidermis and pericycle |
|
What are the sub zones of cortex |
Hypodermis Cortical layers Endodermis |
|
The ______hypodermis contains_____ |
Outer most few layers of collenchymatous cells just below the epidermis, |
|
What is role of hypidermis |
provide mechanical strength to the young stem. |
|
Cortical layers consist of |
Rounded thin walled parenchymatous cells with conspicuous intercellular space |
|
Endodermis is rich in |
Starch |
|
Endodermis also known as |
Starch sheath |
|
Pericycle is present in the |
Inner side of the endodermis and above the phloem in form of semi lunar patches of schlerenchyma |
|
In between vascular bundles |
there are a few layers of radially placed parenchymatous cells, which constitute medullary rays. |
|
A large number of ____ arr arranged in a ring |
Vascular bundles |
|
The ring arrangement is a |
Characteristic of dicot |
|
Each vascular bundle is |
Conjoint Open Endarch protoxylem |
|
A large number of,_______ constitute pith |
rounded, parenchymatous cells with large intercellular spaces that occupy the central portion of the stem |