From the twig experiment in which twig is placed in colored water, which of the following can be deduced?

  1. The path of organic Acid
  2. The path of hormones
  3. The path of water
  4. The development of twig
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Long distance transport cannot be carried by

  1. Diffusion Alone
  2. Active transport alone
  3. Bulk flow
  4. Both A and B
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Movement of molecule across a typical plant cell i.e. 50 micrometer takes

  1. 10 seconds
  2. 15 seconds
  3. 2.5 seconds
  4. 16 seconds
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Mass flow or bulk flow system is the movement of substances in bulk or en masse from one point to another point as a result of

  1. Pressure Difference between two points
  2. Osmotic gradient between two points
  3. Concentration gradient between two points
  4. Cannot be predicted
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Mass flow

  1. Solids move slowly
  2. Liquid move faster
  3. All move through the same pace
  4. Solids move faster due to high Osmotic pressure
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Bulk flow can be achieved by

  1. Positive hydrostatic pressure
  2. Negative hydrostatic pressure
  3. Both A and B
  4. Concentration gradient
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If mass flow is occurring like a garden hose,

  1. It is due to positive hydrostatic pressure
  2. It is due to negative hydrostatic pressure
  3. It is due to concentration gradient
  4. All of these
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If mass flow is occurring like suction through a straw

  1. It is due to positive hydrostatic pressure
  2. It is due to negative hydrostatic pressure
  3. It is due to concentration gradient
  4. All of these
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Xylem transports from roots to the aerial parts of the plants

  1. Water, mineral salta
  2. Some organic Nitrogen
  3. Inorganic solutes, Hormones
  4. All of these
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The apoplast does not hold true which of the following statements?

  1. System of adjacent cell walls that is continuous throughout the plant
  2. Not continuous path at the place of casparian strips of the endodermis in the roots
  3. Occurs through the intercellular spaces and the walls of the cells
  4. Crosses cell membrane
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