Mineral Absorption
Mineral Absorption: Overview
This Topic covers sub-topics such as Donnan Equilibrium, Cytochrome-pump Theory, Ion Exchange Theory, Mineral Absorption in Plants, Carrier Concept, Protein-lecithin Theory, Passive Absorption of Minerals and, Active Absorption of Minerals
Important Questions on Mineral Absorption
Which of the following scientist proposed protein-lecithin theory?
Mineral absorption in plants is also called mineral uptake in plants.
Which of the following scientist proposed cytochrome pump theory of mineral uptake in plant?
What is Donnan membrane equilibrium?
The energy of metabolism, used in the uptake of ions, is determined by:
By which method most mineral accumulation occurs?
Differentiate between passive and active salt absorption.
Mineral nutrients absorbed by roots move to leaves through
Mineral salts are translocated through along with the stream of water, which is pulled up through the plant by transpirational pull.
Fill up the blanks in the given statement and select the correct option.
| (i) | (ii) | |
|---|---|---|
| (a) | xylem | ascending |
| (b) | xylem | descending |
| (c) | phloem | ascending |
| (d) | phloem | descending |
Which of the following statements about mineral absorption in plants is correct?
With reference to absorption of minerals, the term 'outer space' represents____ while 'inner space' represents___
