Plant Hormones

Which plant hormone is a gas?

• auxin
• gibberellin
• ethylene
• cytokinin

Which hormone promotes seed germination?

• abscisic acid
• ethylene
• gibberellin
• auxin

Response to light in which plant stems bend toward a light source

• gravitropism
• phototropism
• negative gravitropism
• negative phototropism

When the plant responds to gravtiy

• Phototropism
• Thigmotropism
• Gravitropism
• Hydrotropism

Hormone related to the growth of the plant in response to tropisms

• Auxin
• Cytokinins
• Ethene
• Absisic acid

When the plant grows toward the stimuli

• Positive
• Negative

Breaks seed dormancy and promotes growth (can make fruit bigger)

• Auxin
• Gibberellin
• Cytokinins
• Ethene

Tags

NGSS.MS-LS1-5

Helps fruit ripen

• Auxin
• Gibberellin
• Cytokinins
• Ethene

The root of a plant growing down. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

The shoot of a plant growing up. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism