Plant Hormones Quiz

What is the plant hormone responsible for cell elongation and growth?

• Abscisic acid

• Cytokinin

• Gibberellin

• Auxin

Which plant hormone is known as the stress hormone?

• Abscisic acid

• Jasmonic acid

• Gibberellin

• Cytokinin

Name the plant hormone that promotes fruit ripening.

• cytokinin

• ethylene

• gibberellin

• auxin

Which plant hormone is involved in seed germination?

• cytokinin

• ethylene

• auxin

• gibberellin

What is the function of auxins in plants?

• Auxins regulate growth processes in plants.

• Auxins help in seed germination in plants.

• Auxins are responsible for photosynthesis in plants.

• Auxins regulate the water uptake in plants.

Which plant hormone is responsible for phototropism?

• Auxin

• Gibberellin

• Cytokinin

• Abscisic acid

Name the plant hormone that inhibits growth and promotes dormancy.

• Gibberellins

• Auxins

• Cytokinins

• Abscisic acid (ABA)

What is the role of gibberellins in plants?

• Gibberellins are toxic to plants

• Gibberellins have no effect on plant development

• Gibberellins inhibit plant growth

• Gibberellins play a key role in promoting plant growth and development.

Which plant hormone is involved in leaf abscission?

• cytokinin

• ethylene

• gibberellin

• auxin

Name the plant hormone responsible for gravitropism.

• cytokinin

• gibberellin

• abscisic acid

• auxin