Question

the major factors for the uptake of water and minerals in the plant body is

Answer 1

Answer:

transpiration pull

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Answer 2

★ $\large{\underline{\rm{\green{Uptake\;of\:mineral\:lons:-}}}}$

→ Most minerals are actively absorbed by the roots because of the following reasons:-

→ Minerals occur in the soil as charged particles which cannot move across cell membranes.

→ The concentration of minerals in the soil is usually lower than the concentration of minerals in the root.

→ The active uptake of ions is partly responsible for the water potential gradient in roots, and therefore for the uptake of water by osmosis.

→ Some ions are absorbed passively.

→ The specific membrane proteins of root hair cells actively pump ions from the soil into the epidermal cells.

→ Endodermal cell membrane also has transport proteins.

→ They allow some solutes cross the membrane, but not others.