Plant Hormones and Their Functions

What is the primary function of auxin in plants?

• To enable plants to bend towards light

• To inhibit leaf expansion

• To signal dehydration

• To promote fruit ripening

Which hormone is crucial for the germination of plants?

• Abscisic acid

• Gibberellin

• Auxin

• Ethylene

How do cytokinins affect plant growth?

• They help in the formation of new plant organs

• They cause the plant to bend towards light

• They signal dehydration

• They promote the formation of roots

What is the role of ethylene in plants?

• To enable phototropism

• To promote the formation of shoots

• To signal water stress

• To accelerate fruit ripening

Which hormone signals dehydration in plants?

• Gibberellin

• Auxin

• Abscisic acid

• Ethylene