Specialised Roots: Quiz

Answer the following questions based on the results from the graph by selecting the statement you think is correct...

In uninfected roots, P uptake is greatest

at the root apex

2-3 cm behind the apex

where the lateral roots arise

in the mature primary root

try again

No, examine the graph and you will see it's greatest 2-3 cm behind the tip.

Yes!

Well done, you answered correctly. Use the 'next' button to proceed.

No, although there is some increase in these areas it is much greater 2-3 cm behind the tip.
No, P uptake is at its lowest here (excepting at the root tip). Examine the graph again and you should see that it's greatest 2-3 cm behind the tip.
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This graph shows the uptake of phosphate for non-mycorrhizal roots. Trace the mouse over the graph for an explanation of the results.

The graph shows the uptake of phosphate for both mycorrhizal and non-mycorrhizal roots. Trace the mouse over the graph for an explanation of the results.

View experimental results for a non-mycorrhizal root