Step 1: Understanding tuberous roots.
Simple tuberous roots are swollen roots that store food and help in vegetative propagation. Step 2: Identifying the plant.
Asparagus shows simple tuberous roots which can give rise to new plants. Step 3: Eliminating other options.
Sweet potato has tuberous roots but is classified differently.
Dahlia has fasciculated tuberous roots. Step 4: Conclusion.
Thus, simple tuberous roots help in vegetative propagation of Asparagus.