What Is Hydrarch Succession

Q. The second stage of hydrosere is occupied by plants like

1. Azolla
2. Typha
3. Vallisneria
4. Salix

Q. Which of the following options represents the right sequence of stages in hydrarch succession ?

I. Meadow stage
II. Reed swamp stage
III. Rooted submerged plant stage
IV. Phytoplankton stage
V. Rooted floating plant stage

1. IV, III, V, II and I
2. III, V, I, II and IV
3. II, IV, III, I and V
4. IV, V, III, II and I
5. V, III, II, I and IV

Q. The second stage of hydrosere is occupied by plants like

1. Azolla
2. Typha
3. Vallisneria
4. Salix