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Phase 2
Phase 1
Results
Uses of plant hormones
Test
Complete the foundation Nov 2011 biology paper.
Skip question 5.
You have one hour.
I will give no help.
Food production: weedkillers, rooting powders, fruit ripening.
Selective weedkillers: kill broad leafed weeds but not narrow leafed crops. Requires careful control of amounts.
Seedless fruits: seeds produce auxin so auxin must be added to produce and grow seedless varieties.
Recap
Use your notes and textbook to explain why roots grow down and shoots grow up.
How do plants grow towards the sun?
Keywords: auxin, promotes growth, inhibits growth.
Light
Shoot
root
Shoot
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