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  9. Q43

OPSC OCS 2023 · Question 43 of 97

In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

Geography

  1. AInsects and fungi
  2. BLimited sunlight and paucity of nutrients
  3. CWater limits and fireCorrect
  4. DNone of the above

Answer: C. Water limits and fire

Explanation

Trees do not replace grasses because they require more water than grasses, which would lead to water shortages for other species. Trees are also prone to catching fire and fire spreads quickly.

Source: OPSC OCS Prelims 2023 GS Paper-I; answers per Apti Plus unofficial key

← Q42View full paper (97 questions)Q44 →

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