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MHT CET Medical202623 April 2026Evening ShiftBiologyTransport in PlantsActual

Given below are two statements: Statement (I): Due to endo-osmosis water from surrounding cells and xylem, is absorbed. Statement (II): Due to decrease in turgor pressure, sugar from photosynthetic cell is forced ultimately into sieve tube of vein In light of the above statements, choose the most appropriate answer from the options given below with reference to mechanism of sugar transport through phloem.

Options

  1. ABoth Statement (I) and Statement (II) are correct.
  2. BBoth Statement (I) and Statement (II) are incorrect.
  3. CStatement (I) is correct but Statement (II) is incorrect
  4. DStatement (I) is incorrect but Statement (II) is correct.

Correct answer

C. Statement (I) is correct but Statement (II) is incorrect

Step-by-step solution

According to the mass flow hypothesis for the mechanism of sugar transport in phloem, glucose prepared at the source is converted into sucrose and actively transported into the companion cells and then into the sieve tube cells. This active loading creates a hypertonic condition in the phloem. Statement (I) is correct because the hypertonic condition in the sieve tubes causes water from the adjacent xylem and surrounding cells to move into the phloem by endosmosis. Statement (II) is incorrect because sugar is loade

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