1) What will happen in the diagram below? a) Sugar will move to the left b) No net movement c) Water will move from right to left d) Water will move from left to right e) Sugar and water will both move from right to left 2) What is carried in the xylem? a) Sugars b) Minerals c) Dead d) Roots e) Starch 3) What is the name for the waxy layer on top of a leaf? a) Cuticle b) Lower epidermis c) Guard cell d) Upper epidermis e) Vascular bundle 4) What word describes a cell that has lost so much water that the cell membrane has pulled away from the cell wall? a) Turgud b) Flaccid c) Sad d) Plasmolysed e) Guard cell 5) Which of the following is not a role served by water from transpiration? a) Cooling b) Photosynthesis c) Plasmolysis d) Movement of minerals e) Support 6) Which of these does not increase transpiration? a) Increase in temperature b) Increase in humidity c) Increase in wind speed d) Increase in light e) Opening of stomata 7) What is magnesium needed for? a) Making amino acids b) Making DNA c) Making apples d) Making enzymes e) Making chlorophyll 8) By what process do minerals enter root cells? a) Active transport b) Diffusion c) Osmosis d) Plasmolysis e) Turgidity 9) Which of these would NOT be a feature of a plant adapted to the desert? a) Few stomata b) Stomata on underside of leaves c) Stomata open in daytime d) Very thick cuticle e) Extensive root system 10) What word is used to describe an animal cell that has lost too much water? a) Crenated b) Flaccid c) Plasmolysed d) Plasmolysis e) Crenation 11) Which is the correct function of phosphorus? a) Making enzymes b) Making cakes c) Making chlorophyll d) Making glucose e) Making cell membranes 12) Under which of the following conditions would a normal guard cell be turgid? a) Lack of water b) Light c) When it contains minimal water d) When it is surrounded by very salty solution e) When it wants to

B4a-d self paced quiz

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