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Plant Hormones
Plant Hormones
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AQA GCSE Biology Plant hormones and controlling growth
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Which way would a plant grow if it exhibits negative geotropism?
Away from (against) gravity
Towards (with) gravity
Away from light
Towards water
2
How do auxins affect root cells?
Inhibit cell elongation
No effect
Causes cell death
Promote cell elongation
3
What is hydrotropism a response to?
Heat
Gravity
Light
Water
4
Where are auxins made?
Tip of the root
Tips of roots and shoots
Tip of the shoot
Stem
5
What is the other prefix of gravitropism
Hydro
Geo
Chemo
Photo
6
What are the group of hormones controlling plant growth?
FSH
Oestrogen
Auxins
Axins
7
What effect does auxin have on shoot cells?
Inhibits cell elongation
Promotes cell elongation
Causes growth
Has no effect
8
Shoots grow towards the light, what is the correct term for this?
Positive geotropism
Positive hydrotropism
Negative lightropism
Positive phototropism
9
Which side of a growing stem will auxin accumulate.
The tip
The bottom
The dark side
The light side
10
Which part of a germinating shoot (underground) will auxin collect?
The dark side
The bottom
The top
The light side