1) What type of specialised cell are found in the roots? a) Flat root cells b) Ciliated root cells c) Root hair cells d) Palisade root cells 2) Osmosis is... a) The movement of gas particles from an area of high concentration to low b) The movement of particles against a concentratiuon gradient c) The movement of water partcicles from an area of high concentration to low, through a partially permable membrane d) How water moves up the xylem 3) What is the name of structure 1? a) Waxy cuticle b) Stomata c) Palisade cellsl d) Guard cell 4) Through what process does water move into the root? a) Transpiration b) Respiration c) Osmosis d) Diffusion 5) What is NOT a use for water in a plant? a) Respiration b) Maintain turgor pressure c) Photosynthesis d) Transport of minerals 6) What happens when structure 3 becomes turgid? a) The cell respires b) The stomata opens c) The cell photosynthesises d) The stomata closes 7) Decreasing humidity increases transpiration rate because... a) The stomata are open for longer b) The diffusion gradient is made steeper c) The molecules have more energy d) The diffusion gradient is made shallower e) **correction** decreasing humidity actually decreases transpiration rate 8) Water moves from the xylem into the leaf cells by a) Osmosis b) Diffusion c) Active transport d) Transpiration 9) The cell wall is for... a) Structure b) Permeability c) Protection d) To control what goes in and out 10) Movement of molecules against a concentration gradient is called a) Osmosis b) Diffusion c) Respiration d) Active transport 11) Diffusion always results from the movement of molecules from an area of high concentration to an area of low concentration a) True b) False 12) Increasing the temperature increases transpiration because... a) The stomata are open for longer b) The diffusion gradient is made steeper c) The molecules have more energy d) The diffusion gradient is made shallower e) **correction** increasing temperature actually decreases transpiration rate 13) What is the function of the image shown? a) Gas exchange b) Respiration c) Photosynthesis d) Control the activities of the cell e) Active transport 14) What is the function of 2? a) To allow gas exchange b) To prevent water loss c) Main site of photosynthesis d) Structure 15) Some plants have a large root system, this allows... a) Less water to escape b) More water to be stored c) More water to be collected d) Lower transpiration rates 16) Marram grass is adapted to prevent water being lost by transpiration. Which of the labels is not an adaptation? a) Waxy cuticle b) Stomata sunk in pits c) Leaf hairs d) Rolled leaf e) None of the above 17) Which of the following is NOT an adaptation related to the retention of water? a) Sunken stomata b) Extensive root system c) Water storage organs d) Needles instead of leaves e) Flattened leaves f) Thick waxy cuticle 18) Xylem were originally living cells that died and formed a tube a) True b) False 19) What does the image show? a) Xylem b) Phloem c) Stomata d) Palisade cell e) Spongy mesophyll 20) Active transport... a) allows molecules to move down their concentration gradient b) allows water to move through a partially permiable membrane c) is responsible for respiration d) is responsible for photosynthesis e) allows molecules to move up their concentration gradient f) allows melecules to move when there is no concentration gradient

Transpiration quiz

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