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NTA Abhyas NEET2020BotanyEcosystemPractice

The sequence of communities of primary succession in water is

Options

  1. APhytoplankton, sedges, free-floating hydrophytes, rooted hydrophytes, grasses and trees.
  2. BPhytoplankton, free-floating hydrophytes, rooted hydrophytes; sedges, grasses and trees.
  3. CFree-floating hydrophytes, sedges, phytoplankton, rooted hydrophytes, grasses and trees.
  4. DPhytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, marsh meadow and trees.

Correct answer

D. Phytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, marsh meadow and trees.

Step-by-step solution

In the primary succession in water, the pioneers are small phytoplanktons. They are replaced with time by rooted submerged plants, then by floating hydrophytes, sedges grasses and finally trees.

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