Write the function of
a. Sieve tube
b. Interfascicular cambium
a. Sieve tube – They help in translocation of synthesized food throughout the plant. It is present in phloem tissue.
b. Interfascicular cambium – It facilitates secondary growth in dicot stem and root and also helps in the formation of the vascular cambium.
c. Collenchyma – It provides mechanical support to young stem. Its cells have angular thickening at corners.
d. Aerenchyma – It provides buoyancy to floating plants.