Plant Responses Flashcards
1
Q
What are tannins?
A
Chemicals that are toxic to microorganisms
2
Q
What are alkaloids?
A
They derive from amino acids and are feeding deterrents
3
Q
What are pheromones?
A
Chemicals released by an individual which can affect the behaviour and physiology of an individual
4
Q
What is tropism?
A
A directional growth response
5
Q
What is phototropism?
A
The shoots grow towards the light
6
Q
What is chemotropism?
A
Growth towards a chemical
7
Q
What is thigmotropism?
A
Climbing plants like Ivy
8
Q
What are auxins?
A
A plant hormone that is responsible for cell elongation
9
Q
What are gibberellins?
A
A plant hormone that promotes fruit ripeness
10
Q
What is apical dominance?
A
The inhibition of lateral buds further down the shoot caused by chemicals released from the apical bud
