Second stage of hydrosere is occupied by plants like

Salix

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Vallisneria

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Azolla

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Typha

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Solution

The correct option is B Vallisneria
Hydrosere originating in a pond starts with the colonisation of some phytoplanktons which forms the pioneer plant community. The stages are :
1st- Bacteria, Blue-green algae, Algae
2nd- Hydrilla Potamogeton, Vallisneria
3rd -Nelumbo, Nymphaea, Trapa, Azolla, Wolffia
4th-Typha, Sagittaria
5th- Juncus, Cyperus
6th- Salix, Populus, Almu.

So, the correct answer is 'B'.

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Similar questions

Which of the following is the order of succession in a hydrosere?

I. Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage-> Climax forest-> wood land stage-> Sedge Meadow stage

II. Rooted aquatic plants-> wood land stage->Rooted floating stage-> Sedge Meadow stage-> Reed swamp stage-> phytoplankton-> Climax forest

III. Phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest

Iv. Phytoplankton->Rooted aquatic plants->Rooted floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest.

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