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 12
A student observes that a plant's leaves close rapidly when touched. What type of movement is this, and what is its adaptive advantage?
Describe how plants can use volatile organic compounds (VOCs) in response to herbivore attack.
Describe how plants use chemical signals to defend against herbivores.
Describe the difference between tropic and nastic movements in plants.
Describe the process of signal amplification in plant responses to stimuli.
Describe the process of thigmonasty in Mimosa pudica.
Describe the role of phytochrome in photoperiodism.
Explain how abscisic acid helps plants survive drought conditions.
Explain how auxin distribution leads to phototropic bending in plant stems.
Explain the adaptive significance of phototropism in plants.
Explain the difference between positive and negative tropism, giving one example of each.
Explain the role of calcium ions in plant signal transduction during response to stimuli.
Explain the role of signal transduction pathways in plant responses to environmental stimuli.
Name the plant hormone that promotes fruit ripening and is involved in plant response to stress.
What is the term for the sleep movements of leaves in response to daily light and dark cycles?
