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WBCS Main Examination 2023 — Paper IV: General Studies II · Question 113 of 200

Q113
General ScienceEnvironment & Ecology
The following ecosystem develops in flowing water :
  1. a.Lentic
  2. b.Lotic
  3. c.Benthic
  4. d.Pelagic

Answer: (B) Lotic

Lotic ecosystems are those of running water such as rivers and streams. Lentic ecosystems are still waters like ponds and lakes, while benthic and pelagic refer to the bottom zone and the open-water zone of a water body.

Q112 Whole paperQ114