Investigate the effect of IAA growth regulator on plant tissue (LC 2026) (Leaving Cert Biology): Quizzes
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Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What effect does IAA at low concentrations have on root growth?
What effect does IAA at low concentrations have on root growth?
Encourages root growth
What effect does IAA at high concentrations have on shoot growth?
What effect does IAA at high concentrations have on shoot growth?
Encourages shoot growth
What is used as the control in this IAA experiment?
What is used as the control in this IAA experiment?
Distilled water
How many petri dishes are needed for this experiment?
How many petri dishes are needed for this experiment?
8
What temperature should the incubator be set at?
What temperature should the incubator be set at?
25°C
What volume of IAA solution is added to the first bottle?
What volume of IAA solution is added to the first bottle?
10 cm³
What volume of distilled water is added to bottles 2-8?
What volume of distilled water is added to bottles 2-8?
9 cm³
What volume is transferred between bottles during serial dilution?
What volume is transferred between bottles during serial dilution?
1 cm³
How many radish seeds are placed in each dish?
How many radish seeds are placed in each dish?
5
How long should the dishes be left in the incubator?
How long should the dishes be left in the incubator?
2-3 days
How should the petri dishes be positioned in the incubator?
How should the petri dishes be positioned in the incubator?
Vertically on their edge
Which bottle acts as the control in this experiment?
Which bottle acts as the control in this experiment?
The 8th bottle
At low IAA concentration, which part grew while the other did not?
At low IAA concentration, which part grew while the other did not?
Roots grew, shoots did not