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Plants Growth & Deve

Plant Growth and Development

QuestionAnswer
___ are chemicals that regulate the growth, development, and function of an organism. Hormones
This hormone in plants stimulates growth factors? Auxin
This hormone is responsible for cell division and cell elongation in plants? Giberellins
This hormone is responsible for cell division and fruit development in plants? Cytokinins
This hormone is responsible for opening and closing of stromata Abscisic acid
This hormone is responsible for ripening of fruits? Ehtylene
This is an involuntary response of an organism to an external stimulus such as light, water, gravity, or nutrients. Tropism
What does phototropic mean? Grow towards light
What does negative phototropic mean? Grows away from light. Such as a plant root.
What does positive geotropic mean? Grow toward the center of the earth.
Created by: Nzink198
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