Q. Some of the stages in the hydrarch are labelled as I. Marsh meadow stage II. Reed swamp stage III. Submerged plant stage IV. Phytoplankton stage V. Submerged free floating plant stage Identify the choice that represents the correct sequence of these stages

A) IV, III, V, II and I
B) III, V, I, II and IV
C) II, IV, III, I and V
D) IV, V, III, II and I
Explanation

Various stages in hydrarch are Phytoplankton $\downarrow$(Blue-green algae, bacteria) Rooted submerged $\ \ \downarrow$(Hydrilla, Utricularia) Floating stage $\downarrow$(Nelumbo, Nymphaea, Azolla) Reed swamp stage $\downarrow$(Lemna, Wolffia) Sedge meadow stage $\downarrow$(Scirpus, Typha) Woodland stage $\downarrow$(Juncus, Cyperus) Forest stage

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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