First slide

Long Distance Transport of Water

Question

This is not a means for short distance transport

Easy

A

Entry of minerals from Cortex into endodermis of root
B

Entry of water into root hair from soil
C

Movement of water and ions between guard cells and subsidiary cells.
D

Movement of mineral water through vessels of xylem

Solution

Entry of minerals from cortex to endodermis of root takes place mainly by active transport which is a means of short distance transport. Entry of water from soil into root hair by osmosis is also a means of short distance transport. Movement of ions between guard cells and subsidiary cells by facilitated diffusion and active transport and movement of water between these cells by osmosis are also means of short distance transport. But the movement of water through xylem vessels from root to aerial parts mainly under the influence of transpiration or negative hydrostatic pressure is a means of long distance transport.

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