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NTA Abhyas NEET2020BotanyEcosystemPractice

Which of the following forms the pioneer community in hydrarch succession?

Options

  1. AWolffia
  2. BPhytoplankton
  3. CLichen
  4. DSubmerged free–floating plants

Correct answer

B. Phytoplankton

Step-by-step solution

Pioneer community: The first biotic community that develops in a bare area is termed as a pioneer community. E.g., Lichens on a rock, phytoplanktons in the pond. In hydrarch succession, pioneer community is formed by the phytoplanktons i.e., the minute microscopic autotrophic organisms like diatoms, unicellular, colonial, or filamentous green algae, and blue-green algae.

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