Question

In which of the following plant roots are modified for the respiration?

• A. Carrot
• B. Beet root
• C. Avicennia
• D. Dahlia

Answer 1

The correct option is C Avicennia

• Avicennia is a mangrove flowering tree that suffers from a lack of oxygen because it commonly grows in saline marshes and water is logged here.
• Roots of such plants become negatively geotropic with minute pores called pneumathodes towards the upper end and are called breathing roots or pneumatophores that help the adequate supply of oxygen to the plant.

So, the correct option is 'C.