Due to differences in water potentials of the guard cells darkness promotes the loss of

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Question:
Due to differences in water potentials of the guard cells  darkness promotes the loss of

1. K? ions

2. Ca?? ions

3. Cl? ions

4.Mg?? ions

Posted Date:-2021-10-11 10:28:37

More MCQS Questions and answers

  1. 17.Cuticle retards water loss through
  2. 19.A large quantity of transpirational water loss occurs through
  3. 20.The water vapour accumulates in the intercellular spaces creating a concentration gradient between
  4. Accumulation K ions are enhances in the presence of
  5. An ideal condition for transpiration in leaves depends on
  6. An inverted h shaped three limbed tube is used
  7. Differences in water potentials of the guard cells are caused by accumulation or loss of
  8. Due to differences in water potentials of the guard cells darkness promotes the loss of
  9. Escape of water vapour from leaves takes place through
  10. Excess thermal energy is disposed by the plants
  11. Guttation liquid is
  12. In woody plants the bark tissue contain
  13. Leaf surface is coded by the process of
  14. Loss of water in a liquid form along the margins of leaves is known as
  15. Loss of water in the guard cells makes them
  16. Minute pores surrounded by two guard cells found on epidermis are called
  17. Photosynthetic carbon assimilation in guard cells is related to
  18. Relative density of mercury is
  19. Stomata open and close due to changes in the guard cells by
  20. The amount of absorbed water lost by plants in the form of vapour is
  21. The apparatus used to measure the rate off transpiration isGanong s light screen
  22. The entry of water from adjacent cells to guard cells is caused by the differences in water potential of their Opt 1 : Protoplasts
  23. The entry of water from adjacent cells to guard cells or vice versa is caused by the differences in
  24. The entry of water makes guard cells as
  25. The escape of water vapour from leaves through stomata by diffusion is caused by
  26. The humidity in atmosphere affects
  27. The ideal material for the disposal of solar energy from the plants is
  28. The internal temperature of the plant cells become uniform and constant by
  29. The stoma is open when the guard cells are
  30. The type of transpiration which is insignificant as compared to stomatal transpiration
  31. This is not a type of transpiration
  32. Transpiration helps in absorption and translocation of mineral salts by means of the
  33. Transpiration through lenticels is called
  34. Water is translocated through xylem tissue to the
  35. Water potential of the guard cells during day time is
  36. Water potential of the guard cells during night time isLow
  37. Water vapour is escaped from leaves through stomata by
  38. When guard cells are flaccid the stoma is
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