Darwin was convinced enough for considering………. A potential force in organic evolution.

  1. Interspecific competition
  2. Intraspecific competition
  3. Mutualism
  4. Predation

Subtopic:  Population Interactions: Competition |
 83%
From NCERT
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Competition occurs when closely related species compete for the same resources that are limiting.

In this statement two concepts are emphasized, one is closely related species and other the resources are limiting.

  1. First concept is entirely wrong while second concept is entirely correct.
  2. First concept is right while second is partially correct
  3. Both are not entirely correct
  4. Both are entirely correct.
Subtopic:  Population Interactions: Competition |
 64%
From NCERT
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In some shallow South American lakes visiting Flamingoes and Resident Fishes show which kind of interaction?

  1. Competition
  2. Predation
  3. Parasitism
  4. Commensalism
Subtopic:  Population Interactions: Competition |
 83%
From NCERT
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The feeding efficiency of one species might be reduced due to the inhibitory presence of another species with abundant food and space. What does it imply?

  1. For competition to occur, resources need not to be limited
  2. Interference competition
  3. They are competing over same food
  4. Both A and B
Subtopic:  Population Interactions: Competition |
 79%
From NCERT
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Competition can be defined best as

  1. A process in which the fitness of one species i.e. r is significantly lower in the presence of another species.
  2.  Competition occurs when closely related species compete for the same resources that are limiting.
  3. A process which not always lead to loss of both the organisms
  4. Both B and C
Subtopic:  Population Interactions: Competition |
 73%
From NCERT
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Gause's competitive exclusion Principle applies only when

  1. Species are closely related to each other
  2. Competing for same resources
  3. Resources are limiting
  4. All of these
Subtopic:  Population Interactions: Competition |
 90%
From NCERT
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The Abingdon tortoise in Galapagos Islands became extinct within a decade after goats were introduced on the island apparently due to

  1. Superiority of goats
  2. Greater browsing efficiency of goats
  3. High r value
  4. Competitive release
Subtopic:  Population Interactions: Competition |
 89%
From NCERT
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Gause's Competitive Exclusion Principle is challenged by

  1. Competitive release
  2. Resource Partitioning
  3. Mutual exclusion
  4. Predation
Subtopic:  Population Interactions: Competition |
 79%
From NCERT
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MacArthur's Warblers living on same tree showed which type of interaction?

  1.  Interspecific Competition
  2. Co-existance
  3. Competitive release
  4. Intraspecific Competition
Subtopic:  Population Interactions: Competition |
 84%
From NCERT
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MacArthur's Warblers could coexist due to

  1. Behavioural differences in their foraging activities
  2. Temporal differences in their foraging activities
  3. Spatial differences in their foraging activities
  4.  Both A And C
Subtopic:  Population Interactions: Competition |
 56%
From NCERT
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