Plant Responses to Stimuli
Biology ⇒ Plant Biology
Plant Responses to Stimuli starts at 8 and continues till grade 12.
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See sample questions for grade 11
A plant is exposed to light from only one direction. After several days, the stem bends toward the light source. Which hormone is most likely responsible for this response?
A student places a potted plant on its side. After a few days, the shoot bends upward. What type of response is this?
Describe how plants detect and respond to mechanical stimuli such as wind or touch.
Describe the difference between positive and negative tropism.
Describe the process of thigmonasty in plants.
Describe the role of abscisic acid in plant response to drought.
Explain how auxin distribution leads to phototropism in plant shoots.
Explain how plants use photoperiodism to regulate flowering.
Explain why roots exhibit positive gravitropism while shoots exhibit negative gravitropism.
What is the main function of phytochrome in plants?
What is the term for a plant's growth response toward or away from a stimulus?
