Plant Coordination

What is the process by which plants respond to stimuli called?

• Respiration

• Tropism

• Photosynthesis

• Germination

Which plant hormone is responsible for promoting cell division and elongation?

• Auxin

• Cytokinin

• Abscisic acid

• Gibberellin

In which part of the plant are auxins primarily produced?

• stem cells

• root hairs

• leaf veins

• apical meristem

What is the movement of plant parts in response to touch called?

• phototropism

• gravitropism

• chemotropism

• thigmotropism

Which plant hormone is responsible for promoting fruit ripening?

• Gibberellin

• Auxin

• Ethylene

• Cytokinin

What is the role of gibberellins in plants?

• Regulate growth processes in plants

• Enhance photosynthesis in plants

• Cause wilting in plants

• Promote root growth in plants

How do plants respond to light in terms of growth?

• Plants respond to light by shrinking in size

• Plants respond to light by turning blue in color

• Plants respond to light by undergoing photomorphogenesis, which is the process of growth and development influenced by light.

• Plants respond to light by emitting a foul odor

What is the function of abscisic acid in plants?

• Promotes photosynthesis

• Enhances root growth

• Inhibits flowering

• Regulates seed dormancy, stomatal closure, and response to environmental stresses.

What is the plant's response to gravity called?

• Hydrotropism

• Thigmotropism

• Phototropism

• Gravitropism

Which plant hormone is responsible for leaf abscission?

• gibberellin

• auxin

• ethylene

• cytokinin