Certain halophytes can tolerate high salinity by accumulating ions like and in their vacuoles. Which membrane transport protein is MOST directly involved in this process?
Plasma membrane -ATPase
Tonoplast antiporter
Plasma membrane channel
Tonoplast aquaporin
Related Questions
In the initial phase of mineral absorption, ions are taken up into the …… space of cells
cytoplasm
vacuole
apparent free space/outer space
nucleus
Essential ions are absorbed in different amounts by
Root hairs
Shoots
Phloem
None of these
Bidirectional translocation of minerals takes place in
xylem
phloem
parenchyma
cambium
What is the major function of air stone?
Remove content from the nutrient solution
Dissolves in the nutrient solution
Increases the level of in the nutrient solutions
Removes from the nutrient solution
Absorption of minerals takes place in the form of
Molecules
Compounds
Ions
Mixtures
Which process facilitates the transport of ions from the soil solution into the cytoplasm of root cells against their concentration gradient?
Diffusion
Osmosis
Facilitated diffusion
Active transport using proton pumps
In which of the following iron is absorbed by plants
Fe²⁺ (Ferrous ions)
Fe³⁺ (Ferric ions)
FeO (Iron oxide)
FeS (Iron sulfide)
The entry and exit of ions to and from the symplast requires the expenditure of
Photosynthetic energy
Metabolic energy
Energy derived from ions
Zero amount of energy
Minerals are absorbed by plants in
Colloidal form
ionic form
Precipitated form
None of these
Efflux is the movement of ions
From one cell to another
Within the cell
Into the cell
Out of the cell
