The stomata of many species open in the morning and close at night regardless of the amount of water available to the plant.
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Q46: Which of the following statements about phloem
Q47: In the process of guttation, water is
Q48: Approximately 99 percent of the water taken
Q49: Stomata open when the turgor pressure of
Q50: According to the pressure-flow mechanism, sugars are
Q52: Calcium is a phloem-immobile element.
Q53: The greater the vapor pressure difference between
Q54: Nocturnal transpiration occurs in CAM plants but
Q55: Once it has crossed the exodermis, water
Q56: It is the smallest pores in the
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