1) Which of the following statements is false? a) Transpiration is the loss of water from plant leaves by evaporation through the stomata. b) Transpiration helps to regulate the movement of sucrose and amino acids around the plant. c) Transpiration causes water and mineral ions to be drawn upwards through the xylem. d) Transpiration helps to regulate plant temperature.  2) The transpiration stream refers to: a) The products of photosynthesis. b) The warm current of air that surrounds tropical plants and is responsible for ensuring optimum temperatures for photosynthesis. .  c) The continuous stream of water that is drawn up from the roots to the leaves, via the xylem vessels. d) An area of water that has a high proportion of aquatic plant species.

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