Plant-Water Relations-1 MCQ

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• Statement A: Solute potential increases with dissolution of solutes. Statement B: The value of solute potential is always negative.
  ক

  Both the statements are true

  খ

  Both the statements are false

  গ

  Statement A is true but Statement B is false

  ঘ

  Statement B is true but Statement A is false
• The unit of water potential is_________
  ক

  psi

  খ

  no unit

  গ

  pascal

  ঘ

  mmole per kg
• The greater concentration of water in a system leads to _________
  ক

  increased transpiration

  খ

  increased solute potential

  গ

  hypertonic condition

  ঘ

  greater kinetic energy
• The value of water potential of pure water is ________
  ক

  1

  খ

  -1

  গ

  0

  ঘ

  -2
• Which potential is considered of negligible value?
  ক

  Water potential

  খ

  Matrix potential

  গ

  Solute potential

  ঘ

  Pressure potential
• The amount of water lost by plants due to transpiration and guttation?
  ক

  98%

  খ

  12%

  গ

  92%

  ঘ

  50%
• Statement A: Water is the limiting factor for plant growth and productivity. Statement B: A minute amount of water is lost to the environment by the leaves.
  ক

  Both the statements are true

  খ

  Both the statements are false

  গ

  Statement A is true but Statement B is false

  ঘ

  Statement B is true but Statement A is false
• Woody parts of plants contain relatively less water while soft parts contain more water.
  ক

  True

  খ

  False
• Which part of the cell contains water-like substances with dissolved molecules and suspended in them?
  ক

  Protoplasm

  খ

  Cytoplasm

  গ

  Cytosol

  ঘ

  Matrix