1 : The direction of movement of water from outside into the cell and also from one cell to the next cell is
Options:
  1. from higher DPD to lower DPD
  2. from lower DPD to higher DPD
  3. from cell to cell with sam values of DPD
  4. none of these

Answer: Option 2

Explanation:

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2 : A cell will absorb water and show deplasmolysis when it is immersed in
Options:
  1. isotonic solution
  2. hypertonic solution
  3. hypotonic solution
  4. aqua regia

Answer: Option 3

Explanation:

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3 : The regaining of turgidity by a protoplast under the influence of hypotonic solution, is known as
Options:
  1. deplasmolysis
  2. plasmolysis
  3. exosmosis
  4. endosmosis

Answer: Option 1

Explanation:

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4 : The turgor pressure becomes negative when
Options:
  1. most of the cell water has been withdrawn
  2. the cell is in the stage of incipient plasmolysis
  3. the cell is in the stage of limiting plasmolysis
  4. when cell is placed in isotonic solution

Answer: Option 1

Explanation:

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5 : The unit of measurement of DPD is
Options:
  1. atosphere or bars
  2. pascal
  3. nanometer
  4. millimicrons

Answer: Option 1

Explanation:

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6 : The reduction in the diffusion pressure of a substance in a system over its pure state, is known as
Options:
  1. turgor pressure
  2. osmotic pressure
  3. diffusion pressure deficit
  4. turgor pressure deficit

Answer: Option 3

Explanation:

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7 : The plasmalemma of the cell is a
Options:
  1. fully permeable membrane
  2. selectively permeable membrane
  3. semipermeable membrane
  4. impermeable membrane

Answer: Option 2

Explanation:

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8 : The osmotic pressure of a cell is measured by
Options:
  1. plasmolysis
  2. deplasmolysis
  3. osmosis
  4. diffusion

Answer: Option 1

Explanation:

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9 : The apparatus used to measure OP of a solution is known as
Options:
  1. osmometer
  2. photometer
  3. calorimeter
  4. manometer

Answer: Option 1

Explanation:

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10 : The pressure exerted by the cell wall on the protoplasm, which is equal and opposite to the turgor pressure, is known as
Options:
  1. wall pressure
  2. turgor pressure
  3. diffusion pressure
  4. osmotic pressure

Answer: Option 1

Explanation:

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