The plant, which bears clinging roots, is (a) screw pine (b) Podostemon (c) Trapa (d) orchid.
Option D.Clinging roots arise from the nodes of stem and penetrate the stem of the host plant. It helps in fixing the plant to the host. It is found in orchids. Orchids bear three types of roots clinging roots for fixation, absorbing roots for absorbing mineral salts and water and epiphytic roots for absorbing moisture from air.
