Question

Roots are modified to perform specific functions other that their normal functions. The given figure shows modification of the roots of mangrove plant. Select the incorrect option regarding it.

• A. The stilt roots of red mangrove help in breathing.
• B. The root system is highly entangled, hugh and extensive under the water.
• C. A large number of animals such as small fishes, crustaceans, seahorses, etc., find shelter in this root system.
• D. Besides providing mechanical support, these roots also perform photosynthetic functions in the plant.

Answer 1

The correct option is D Besides providing mechanical support, these roots also perform photosynthetic functions in the plant.

Mangrove plants inhabit water logged areas, this makes it difficult for the roots to breathe. Hence, these plants have negatively geotropic roots called the pneumatophores with lenticels for exchange of gases. These roots do not provide mechanical support or photosynthesize.

So, the correct answer is 'Besides providing mechanical support, these roots also perform photosynthetic functions in the plant.'