question_answer 53)

    Write the precise function of (a) sieve tube                                                                    (b) interfascicular cambium (c) collenchyma                                                (d) aerenchyma

Answer:

                   Sieve tube It is present in the phloem tissue. It's function is the transportation of synthesized food through out the plant. Inter fascicular Cambium It's function is to bring about secondary growth in the dicot stem and root. It is a kind ofsecondary meristematic tissue present in between two vascular bundles. Collenchyma It's function is to provide mechanical support to young growing herbaceous stem. It's cellshave angular thickening at corners. Aerenchyma It provides buyoncy to the hydrophytic plants. It is a specialized parenchyma having large air spaces.