Q. Consider the following:
  1. Neuston
  2. Plankton
  3. Nekton
Which of the above is/are found in lotic ecosystem?

Answer: 1 & 3 Only
Notes: Plankton are found only in lentic ecosystem. In most lotic systems, phytoplankton are simply displaced by the current, and are not able to form standing populations.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.