A) Modified Roots
B) Modified Stems
C) Respiratory Roots
D) Respiratory Stems
Correct Answer: C
Solution :
Mangroves have breathing roots because the soil in which mangroves grow are poor in oxygen and some parts of the root is exposed to air to obtain oxygen. Due to waterlogged condition of the soil, it is the roots that help in gaseous exchange. Oxygen enters a mangrove through lenticels, thousands of cell-sized breathing pores in the bark and roots.
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