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Transport in Humans and Plants
Quick questions on Transport in plants explained: O-Level Biology
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are two transport tissues?Show answer
Plants have two transport tissues running through the roots, stem and leaves:
What is transpiration?Show answer
Transpiration is the loss of water vapour from the leaves (and other surfaces) of a plant, mainly through the stomata, by evaporation and diffusion. As water evaporates from the leaf cells and diffuses out through the stomata, more water is pulled up the xylem to replace it. So transpiration drives the upward transport of water.
What is q1?Show answer
State what the xylem transports and in which direction. [2 marks]
What is q2?Show answer
Define transpiration. [2 marks]
What is q3?Show answer
Explain why transpiration is faster at a higher temperature. [2 marks]
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