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State PCS PYQPrelims 2024

UPPCS · Question 26

Which of the following is the correct sequence of phases of biotic succession?

  1. Ecesis - Migration - Reaction - Stabilisation
  2. Ecesis - Migration - Stabilisation - Reaction
  3. Migration - Reaction - Stabilisation - Ecesis
  4. Migration - Ecesis - Reaction - Stabilisation
Show answer & explanation

Answer: (D) Migration - Ecesis - Reaction - Stabilisation

Explanation

Succession goes nudation, migration, ecesis (establishment), aggregation/competition, reaction and stabilisation (climax).