Which of the following statements is correct regarding the transport of substances in plants?

  • A
    Organic substances are transported upwards by phloem tissue.
  • B
    Organic substances are transported upwards by xylem tissue.
  • C
    Inorganic food is transported upwards and downwards by xylem tissue.
  • D
    Organic food is transported upwards and downwards by phloem tissue.

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