1) Root hairs extend from the cells of the endodermis layer. ( ) a) false b) true c) i don`t know 2) The cell membrane of the root hair has the osmosis property which allows only some salts to pass through. ( ) a) true b) false c) i don`t know 3) Osmosis is a biological process in which the plant loses water in the form of water vapour. ( ) a) false b) true c) i don`t know 4) Plants get mineral salts from the ............ a) soil b) photosynthesis c) sunlight 5) The layer that follows the cortex layer is called ............. a) epidermis b) xylem c) endodermis 6) Root hairs absorb water by ............. a) selective permeability feature. b) osmosis c) respiration 7) _........ of the root hair membrane allows only some salts to pass through a) Osmosis b) Selective permeability c) Evaporation 8) The light energy needed for the plant to form its food. ( a) true b) false c) i dont know 9) Astructure in the root hairs that contains a concentrated salt solution. a) sap vacuole b) epidermis c) endodermis
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