Question

Which of the following plants undergo vegetative propagation by roots?

• A. Potato
• B. Dahlia
• C. Onion
• D. Ginger

Answer 1

The correct option is B

Dahlia

The correct option is B :

Explanation of the correct option :

1. Vegetative propagation is an asexual mode of reproduction in which new plants are produced with the help of the vegetative part of the parent plant.
2. Dahlia reproduces vegetatively through tuberous roots.

Explanation of the incorrect option :

Option A :

Vegetative propagation in potatoes occurs only through tubers.

Option C :

In onion, vegetative reproduction occurs through the bulb.

Option D:

Ginger reproduces vegetatively through the rhizome.

Final answer: The plant that undergoes vegetative propagation by roots is the dahlia.