9th Class Science Tissues

  • question_answer 21)
    What are the constituents of phloem?  

    Answer:

    The constituents of phloem tissue are: (i) Sieve tubes (tubular living cells with perforated end walls) (ii) Companion cell (living cells) (iii) Phloem parenchyma (living cells) (iv) Phloem fibres (non-living and sclerenchyma cells)


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