NEET 2012
- Exam
- NEET
- Year
- 2012
- Subject
- Botany
- Chapter
- Ecosystem
NEET 2012 · Botany · Ecosystem
The second stage of hydrosere is occupied by plants like
The second stage of hydrosere is occupied by plants like
Options
- AAzolla
- BTypha
- CSalix
- DVallisneria
Correct answer
D. Vallisneria
Step-by-step solution
Hydrosere originating in a pond starts with colonization of some phytoplanktons which forms the pioneer plant community. The stages are
Ist-Bacteria, Blue-green algae, Algae
IInd-Hydrilla Potamogeton, Vallisneria
IIIrd-Nelumbo, Nymphaea, Trapa, Azolla, Wolffia
IVth-Typha, Sagitaria
V-Juncus, Cyperus
VI-Salix, Populus, Almus