leaving cert biology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Name the two types of cell which make up xylem | tracheids and vessels
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| what does the xylem transport? | water and minerals
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| what is transpiration? | the loss of water vapour from the leaves of a plant
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| What is the movement of water through the plant called? | the transpiration stream
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| how does water move into the roots? | by osmosis
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| how do minerals move into the roots? | by active transport
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| what is the plant cell wall made from? | cellulose
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| name the processes by which water moves up the stem | root pressure, transpiration pull and capillary action
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| how is transpiration pull created? | by water evaporating from the leaves
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| what is the force that attracts water molecules to each other called? | cohesion
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| what is the force that attracts water molecules to the stem called? | adhesion
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| the cohesion tension theory to explain water movements in plants was first explained by which scientists | Dixon and Joly
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| what feature of xylem tissue allows water to move up through them? | they are narrow
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| Name the pores on a leaf through which water is released | Stomata
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| Which gas controls the opening and closing of stomata | Carbon Dioxide
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Created by:
PHealy
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