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BIOLOGY A LEVEL > Plant Hormones > Flashcards

Plant Hormones Flashcards

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1
Q

What is the role of auxin?

A

Promotes cell elongation, inhibits growth of side shoots, inhibits leaf abscission

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2
Q

What is the role of cytokinins?

A

Promotes cell division, delays leaf senescence, overcomes apical dominance, promotes cell expansion

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3
Q

What is the role of gibberellins?

A

Promotes seed germination and growth of stems

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4
Q

What is the role of abscisic acid?

A

Inhibits seed germination and growth of stems. Causes stomata to close when low water availability

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5
Q

What is the role of ethene?

A

Promotes fruit ripening

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BIOLOGY A LEVEL (8 decks)

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