Plant Transport Systems
Biology ⇒ Plant Biology
Plant Transport Systems starts at 7 and continues till grade 12.
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See sample questions for grade 12
A plant is exposed to strong wind. Predict the effect on its transpiration rate and explain why.
A plant is placed in a humid, windless environment. Predict and explain the effect on its transpiration rate.
Describe how temperature affects the rate of transpiration in plants.
Describe the role of companion cells in phloem transport.
Describe the role of root pressure in plant water transport.
Describe the role of stomata in plant transport systems.
Describe the symplast and apoplast pathways of water movement in roots.
Explain how the structure of xylem vessels is adapted for their function.
Explain the cohesion-tension theory of water transport in plants.
Explain the difference between source and sink in phloem transport.
Explain the effect of closing stomata on photosynthesis and transpiration.
Explain the effect of high humidity on the rate of transpiration.
Explain why transpiration is important for plants.
Explain why wilting occurs in plants.
Name the process by which minerals are absorbed from the soil into the roots.
Name the two main types of vascular tissues in plants.
