Roots obtain oxygen from air in the soil for | vedclass

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(B) Plants growing in marshy areas or swamps face a deficiency of oxygen in the soil due to waterlogging. To overcome this,these plants develop specia

Vedclass · Accepted Answer

By developing pneumatophores

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(B) Plants growing in marshy areas or swamps face a deficiency of oxygen in the soil due to waterlogging. To overcome this,these plants develop special roots called pneumatophores or breathing roots. These roots grow vertically upwards (negatively geotropic) out of the soil and water to absorb oxygen from the atmosphere through small pores called lenticels. An example of such a plant is $Rhizophora$.

Roots obtain oxygen from air in the soil for respiration. In the absence or deficiency of $O_{2}$,root growth is restricted or completely stopped. How do the plants growing in marsh lands or swamps obtain their $O_{2}$ required for respiration?

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