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NTA Abhyas NEET2020BotanyEcosystemPractice

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

Options

  1. AIV, III, V, II and I
  2. BIII, V, I, II and IV
  3. CII, IV, III, I and V
  4. DIV, V, III, II and I

Correct answer

A. IV, III, V, II and I

Step-by-step solution

Phytoplankton ↓(Blue-green algae, bacteria) Rooted submerged ↓(Hydrilla, Utricularia) Free-floating stage ↓(Nelumbo, Nymphaea, Azolla) Reed swamp stage ↓(Lemna, Wolffia) Sedge meadow stage ↓(Scirpus, Typha) Woodland stage ↓(Juncus, Cyperus) Forest stage

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