DENDROLOGY

Detailed explanation-1: -Stilt roots are the roots that arise from the lower nodes on the stem and they grow downwards in an oblique fashion and penetrate the soil. They provide additional mechanical support to the plant. Such type of adaptation helps the plant to withstand strong gusts of wind.

Detailed explanation-2: -In sugarcane the roots that arise from the lower nodes of the stem are called stilt roots for the support of plant.

Detailed explanation-3: -Stilt root is a type of adventitious root as it did not arise from the roots or radicle. It is a type of aerial adventitious root that grows out from the basal nodes of the stem towards the ground where it gets firmly attached. Such roots are found in plants that are growing near river banks.

Detailed explanation-4: -The correct answer is ‘Lower nodes’.