In which crop the adventitious roots are present?

Answer: Option A

Sweet potato is the crop among the given options in which adventitious roots are present.
Adventitious roots include those formed on stem and leaf cuttings and those produced by air layering. Adventitious aerial roots of many tropical trees are common.
Adventitious roots are the ones that are modified to store food and water. They are also called root tubers. Sweet potato is a dicot plant from the family Convolvulaceae. It is an example of an adventitious root and is a modified form of the tuberous root.