11th Class Biology Anatomy of Flowering Plants

  • question_answer 14)
      Match the following columns.
    Column I Column II
    A. Meristem 1.Photosynthesis, storage
    B. Parenchyma 2. Mechanical support
    C. Collenchyma 3. Actively dividing cells
    D. Sclerenchyma 4. Stomata
    E. Epidermal tissue 5. Sclereids
    Codes ABCDE                                  ABCDE (a) 1 3 5 2 4                                (b) 3 1 2 5 4 (c) 2 4 5 1 3                                (d) 5 4 3 2 1


                      (b) Meristem It is a group of actively dividing cells which is responsible for the life long growth occurring in the plants. Parenchyma It is a permanent tissue and widely distributed in plant body. It is mainlyinvolved in photosynthesis in chlorophyll containing cells and also store food materials. CollenchymaThe cells of collenchyma tissue have thickening at corners of cells and this provide mechanical strength to herbaceous green stems. SclerenchymaThis tissue is dead at maturity, have thickening along all sides of walls. Sclereids and fibre are this types of tissue. Epidermal tissueThe epidermal tissue system forms the outer most covering of the whole plant body and comprises epidermal cells, stomata and the epidermal appendages the trichomes and hairs.

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