Ncert Exercises & Solutions

Q.51 Lianas are vascular plants rooted in the ground and maintain erectness
of their stem by making use of other trees for support. They do not maintain a direct relationship with those trees. Discuss the type of association the lianas have with the trees.

Class 12

Ans. The type of association, the lianas have with the trees is commensalism because the plant gets the support of the tree without affecting harming or providing any benefit to the tree.