The Casparian strip in the root endodermis primarily aids in:
Preventing water loss from the root
Increasing surface area for absorption
Storing excess ions
Regulating the entry of water and minerals into the xylem
Related Questions
Which of these is NOT directly involved in the active uptake of ions by plant roots?
Root hairs
Casparian strip
Plasma membrane ATPase
Stomata
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
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
The initial step in the uptake of mineral ions by root hairs involves:
Active transport into the symplast
Passive absorption into the apoplast
Facilitated diffusion into the vacuole
Endocytosis into the root hair cells
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
Which of the following are reservoirs for phosphorus and nitrogen cycle respectively?
Atmosphere and bedrocks
Bedrocks and atmosphere
Consumers
Atmosphere and producers
In the initial phase of mineral absorption, ions are taken up into the …… space of cells
cytoplasm
vacuole
apparent free space/outer space
nucleus
Absorption of minerals takes place in the form of
Molecules
Compounds
Ions
Mixtures
The term ‘outer space’ represents …A…, while ‘inner space’ represents …B… with reference to absorption of minerals
Identify A and B to complete the given statement
A: Soil solution; B: Inside root cells
A: Inside root cells; B: Soil solution
A: Xylem; B: Phloem
A: Cell wall; B: Cytoplasm
