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UPSC PYQPrelims 2021

Civil Services Examination · Question 30

Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the code given below.

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
Show answer & explanation

Answer: (D) 1, 2 and 3

Explanation

Corals (cnidarians) host zooxanthellae, fungi form mycorrhizae and lichens, and protozoa live symbiotically in termite guts.