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56. What are xylem and phloem ? State the functions of xylem and phloem in plants. 57. Name the process which causes water to be pulled upwards through xylem vessels from the roots to the leaves. How does the movement of water in a plant differ from the movement of food in it? 58. Does transpiration serve any useful function in the plants ? Explain. 59. What are stomata ? Give two functions of stomata. 60. (a) How do water and minerals move from the roots of a plant to the leaves ? (b) How does food move from the leaves to all other parts of a plant ?

          56. What are xylem and phloem ? State the functions of xylem and phloem in plants.
57. Name the process which causes water to be pulled upwards through xylem vessels from the roots to the
leaves. How does the movement of water in a plant differ from the movement of food in it?
58. Does transpiration serve any useful function in the plants ? Explain.
59. What are stomata ? Give two functions of stomata.
60. (a) How do water and minerals move from the roots of a plant to the leaves ?
(b) How does food move from the leaves to all other parts of a plant ?

56. What are xylem and phloem ? State the functions of xylem and phloem in plants.
57. Name the process which causes water to be pulled upwards through xylem vessels from the roots to the
leaves. How does the movement of water in a plant differ from the movement of food in it?
58. Does transpiration serve any useful function in the plants ? Explain.
59. What are stomata ? Give two functions of stomata.
60. (a) How do water and minerals move from the roots of a plant to the leaves ?
(b) How does food move from the leaves to all other parts of a plant ?

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