Plant Water Relation Flashcards
1
Q
Water - properties
8 points
A
- Elixer of Life
- 90-95%
- inorganic
- neutral ph
- liquid
- function (photo, biochem, transport)
- high heat, thermal buffer
- physical world (capillaries - water - H-H bond - adh/coh)
2
Q
Root
3 points
A
- absorbs water and minerals
- terrestrial-roots
- epiphytic-velamen-vapour
3
Q
Zones
4 zones
A
Maturation
Elongation
Meristematic Region
Root cap
4
Q
Root hair (3 points)
A
1-10mm
delicate, unbranched, shortlived, colorless
extension of epiblema
5
Q
cell wall
A
freely permeable
2 layers o-pectin i-cellulose
6
Q
plasma membrane
A
semi-permeable
7
Q
vacuole, nucleus
A
present
8
Q
Gravitational
4 points
A
percolates
gravity
beyond roots
not available
9
Q
Combined
3 points
A
hydrated oxide
silicon, aluminum
not available
10
Q
Hygroscopic
2 points
A
soil particles-holds tightly
not available
11
Q
Capillary
2 points
A
between neighboring particles
available
