Question

Root pressure
a.
causes a plant’s roots to absorb water.
b.
increases as the amount of water absorbed by the roots decreases.
c.
forces water into the vascular cylinder of a root.
d.
decreases as less water moves into the vascular cylinder of a root.

Answer 1

Root pressure is caused by the mineral ions which are actively transported into xylem vessels in the root by endodermal cells. This makes the water potential of the xylem more negative and causes water to enter the xylem by osmosis.

Answer 2

Thus the answer is.....

Answer 3

the answer that has "water" written in it. hahaha help :)

Answer 4

a?

Answer 5

lol okay sure

Answer 6

thanks Berry Girl

Answer 7

yw

Answer 8

Actually, i'm pretty sure root pressure is when pressure from osmosis shoots through the plants system, so id go with C), not 100% though.

Answer 9

is that not Turgor pressure?

Answer 10

According to Wikipedia:

"Turgor pressure pushes the plasma membrane against the cell wall of plant, bacteria, and fungi cells as well as those protist cells which have cell walls".

Answer 11

http://en.wikipedia.org/wiki/Root_pressure

If you read the 2nd paragraph you will see a similar explanation to mine.

Answer 12

Interesting. See, I've had a question similar to this in my coursework, and the answer that was correct was "a".

Answer 13

Oh, well okay then.

Answer 14

But, I may be wrong.

Answer 15

oh well to late anyways :)

Answer 16

Thanks heaps guys