Which of the following is an example of reed swamp stage during hydrosere:-
A
Cyanobacteria
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B
Vallisneria
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C
Azolla
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D
Typha
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Solution
The correct option is BTypha Hydrosere is the plant succession in the freshwater areas. It has several stages. Reed swamp stage is the stage of hydrosere where the roots of the plants are submerged in the water but the above part is aerial or floats on the surface of the water. There are many examples of reed swamp i.e. Nymphaea, Typha, reed grasses etc.