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MC - Plants
Multicellular Organisms - Plant Transport
| Question | Answer |
|---|---|
| What is the function of the xylem? | Transports water & minerals up the plant. |
| What is the function of the phloem? | Transports sugar up and down the plant. |
| What provides the xylem with support to withstand pressure? | Rings of lignin |
| Are xylem cells alive or dead? | Dead |
| What is the function of the upper and lower epidermis in a plant leaf? | Protection |
| What is the function of the palisade and spongy mesophyll cells? | Photosynthesis |
| Which cells allow the opening and closing of the stomata. | Guard cells. |
| What three structures are present in the phloem? | Sieve tubes, sieve plates, companion cells. |
| State two functions of the stomata. | Gas exchange and evaporation of water. |
| What is transpiration? | The process of water moving through a plant and evaporation through the stomata. |
| What process allows water to move form the soil into the root hair cells? | Osmosis |
| What process allows water to move up the xylem? | Osmosis |
| Which three structures are found in the transpiration stream? | Root hair cells, xylem, stomata |
| What effect does increasing temperature have on transpiration? | Increases transpiration |
| What effect does increasing humidity have on transpiration? | Decreases transpiration |
| What effect does increasing surface area have on transpiration? | Increases transpiration |
| What effect does increasing wind speed have on transpiration? | Increases transpiration |
| Ar phloem cells alive or dead? | Alive |
| Which two structures does the vein in the leaf contain? | Xylem and phloem |
| What is the pore on the underside of the leaf called? | Stomata |
| What process allows water to leave the stomata? | Evaporation |
| What are the three plant organs that contain the structures needed for transpiration? | Roots, stem and leaf |
| If there are a high number of stomata on the bottom of a leaf will this increase or decrease transpiration? | Increase |
Created by:
StNiniansHS
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