5 Questions
Define transpiration.
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers.
What are the effects of transpiration on plants?
Transpiration cools plants, changes osmotic pressure of cells, and enables mass flow of mineral nutrients.
How do plants regulate water loss during transpiration?
Plants close small pores called stomata to decrease water loss.
What happens when water uptake by the roots is less than water lost to evaporation?
Plants decrease water loss by closing stomata, which slows down nutrient uptake and decreases CO2 absorption from the atmosphere.
How is water absorbed into the roots of plants?
Water with dissolved mineral nutrients is absorbed into the roots by osmosis.
Test your knowledge on transpiration, the process by which plants move and evaporate water from their aerial parts. Explore its role in cooling plants, changing osmotic pressure, and facilitating nutrient flow.
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