There is extreme reduction in roots and analogous organs; some are rootless, when roots are present, they are without root hairs because water and nutrient salts may be absorbed by the entire permeable plant surface under water. These adaptations belong to

A. Free floating hydrophytes

B. Rooted hydrophytes with floating leaves

C. Rooted submerged hydrophytes

D. Rooted and immersed hydrophytes

Answer: Option C