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Competitive Exclusion Principle MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

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  • Gause competitive exclusion principle & Resource Partitioning is considered one of the most asked concept.

  • 12 Questions around this concept.

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The principle of competitive exclusion was stated by

Gause's principle of competitive exclusion states that:

By means of resource partitioning

NEET 2025: SyllabusMost Scoring concepts NEET PYQ's (2015-24)

NEET PYQ's & Solutions: Physics | ChemistryBiology

The assertion, "Two approximately related species challenge for the unchanging resources cannot exist together continually and the competitively inferior will evolve into exterminated," was likely by whom?

According to Gause's competitive exclusion principle

What occurs when two species contend with one another for the same scarce resource in the same niche, according to Gause's competitive exclusion principle?

 

Which of the following best describes the relationship between the competitive exclusion principle and resource partitioning?

Pearson | PTE

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Given below are two statements :

Statement I :Gause's Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually.

Statement II : In general, carnivores are more adversely affected by competition than herbivores. In the light of the above statements,

choose the correct answer from the options given below :

Concepts Covered - 1

Gause competitive exclusion principle & Resource Partitioning
  • Gause ‘s competitive exclusion principle states that the two closely related species competing for the same resources cannot coexist indefinitely and the competitively inferior one will be eliminated eventually.
  • However, species facing competition might evolve mechanisms that promote coexistence rather than exclusion. 
  • One such mechanism is ‘resource partitioning’. 
  • In resource partitioning, if two species compete for the same resource, they could avoid competition by choosing, for instance, different times for feeding or different foraging patterns. 
  • MacArthur showed that five closely related species of warblers living on the same tree were able to avoid competition and co-exist due to behavioural differences in their foraging activities.
     

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Gause competitive exclusion principle & Resource Partitioning

Biology Textbook for Class XII

Page No. : 235

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