Investigate the effect of IAA growth regulator on plant tissue (LC 2026) (Leaving Cert Biology): Flashcards
📚Flashcards
Practise the cards
14 cards from this deck
ShowHide
Practise the cards
14 cards from this deck
What does IAA stand for?
What does IAA stand for?
Indole acetic acid
Effect of low IAA conc. on roots
Effect of low IAA conc. on roots
Encourages root growth
Effect of low IAA conc. on shoots
Effect of low IAA conc. on shoots
Inhibits shoot growth
Effect of high IAA conc. on shoots
Effect of high IAA conc. on shoots
Encourages shoot growth
Effect of high IAA conc. on roots
Effect of high IAA conc. on roots
Inhibits root growth
Control in IAA experiment
Control in IAA experiment
Distilled water (no IAA)
No. of petri dishes in IAA experiment
No. of petri dishes in IAA experiment
8
No. of radish seeds per dish
No. of radish seeds per dish
5
Incubation temp. for IAA experiment
Incubation temp. for IAA experiment
25°C
Germination duration in IAA experiment
Germination duration in IAA experiment
2-3 days
How are petri dishes positioned in IAA exp.?
How are petri dishes positioned in IAA exp.?
Vertically on their edge
Which bottle is the control in IAA exp.?
Which bottle is the control in IAA exp.?
8th bottle
Result at low IAA conc.
Result at low IAA conc.
Roots grew, shoots did not
Result at high IAA conc.
Result at high IAA conc.
Shoots grew, roots did not