Consider the following:

  1. Neuston
  2. Plankton
  3. Nekton

Which of the above is/are found in lotic ecosystem?

Answer: [B] 1 & 3 Only

Plankton are found only in lentic ecosystem. In most lotic systemsphytoplankton are simply displaced by the current, and are not able to form standing populations.

This question is a part of GKToday's Integrated IAS General Studies Module