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  9. Q62

OPSC OCS 2021 · Question 62 of 72

According to Shelford’s Law of Tolerance, the organisms wide environmental factor tolerance limit show:

Environment

  1. ANarrow distribution with low population size
  2. BWide distribution with high population sizeCorrect
  3. CNarrow distribution with high population size
  4. DWide distribution with low population size

Answer: B. Wide distribution with high population size

Explanation

Victor Ernest Shelford discovered Shelford's law of tolerance in 1911. It claims that an organism's success is determined by a complicated set of circumstances, with each organism having a specific minimum, maximum, and optimal environmental factor or combination of variables…

Source: OPSC OCS Prelims 2021 GS Paper-I; answers per Apti Plus unofficial key

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