11th Class Biology Transportation in Animals and Plants

  • question_answer 67)
      What is the chemical composition of xylem and phloem sap?

    Answer:

                      Xylem sap consists of mainly water and some solutes or mineral nutrients. Phloem sap mainly consists of the sucrose, a kind of transport sugar which is adiasaccharide, hormones and amino acids are also found in phloem sap of the plants.


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