Question

Stilt roots in maize develop from

• A. Lower nodes
• B. Lower internodes
• C. Upper nodes
• D. Upper internodes

Answer 1

The correct option is A Lower nodes

Modified aerial adventitious roots which develop from lower part of the stem node for mechanical support are called as stilt roots. Stilt roots arise from basal nodes of the stem near the soil. Stilt roots are generally present in plants growing in loose sandy soils. As the normal roots are not properly fixed, these modified roots enter obliquely into soil and act as supporting organs. For example, Zea mays (maize).

Thus, the correct answer is option A.