Uptake of water and mineral salts Flashcards
1
Q
The three major functions of a root in higher plants are
A
Support
Anchorage
Absorption of water and mineral ions
2
Q
Water is mostly absorbed from
A
The soil through root hairs
3
Q
How does the water move through the soil
A
It moves into the root by osmosis
4
Q
Where does the water pass through
A
The water passes through the permeable cell membrane and tonoplast
5
Q
Tonoplast
A
Membrane that surrounds vacoule of a plant cell
6
Q
Active transport
A
Movement of a substance against a concentration gradient using energy