9th Class Science Tissues

  • question_answer 47)
      The dead element present in the phloem is (a) companion cells           (b) phloem fibres           (c) phloem parenchyma   (d) sieve tubes

    Answer:

      (b) Phloem fibres are thick walled, elongated spindle shaped dead cells which possess narrow lumen. They provides mechanical support to the tissue. Phloem parenchyma are thin walled-living cells of parenchyma. They have two functions, storage and lateral food conduction.


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