How are young plants supported ?
a) the pressure of water inside the cells pressing outwards on the cell membrane
b) the pressure of water inside the cells pressing outwards on the cell walls
c) the pressure of water passing from the roots through the phloem
d) the pressure of water passing from the roots through the xylem

Pressure of water passing from thw roots.

Explanation:

B) The pressure of water inside the cells pressing outwards on the cell walls.

Water potential is crucial for the plants as it is involved in the movement of water and other solutes throughout the plant. The pressure generated by water is also responsible for providing support to the plants.

The water present inside the cells puts pressure outwards on the cell membrane. This pressure from the inside of the cell to the cell membrane provides support to the young plants.

The water potential in the roots and stems allows for solutes to pass through the xylem and pholem, but is not responsible for the support to the plant.

Hence, the correct answer is option a.

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