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%
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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%
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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%
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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%
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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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The occurrence of competition in nature, proof for this, comes from

  1. Resource Partitioning
  2. Co-existance
  3. Competitive release
  4. Behavioural changes in foraging patterns of warblers
Subtopic:  Population Interactions: Competition |
 66%
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In Connell's elegant field experiments, on the Rocky sea coasts of Scotland which of the following observation was recorded?

  1. Barnacle Balanus dominates and exclude the smaller barnacle Chathamalus from that zone
  2. Barnacle Chathamalus dominates Barnacle Balanus and exclude them from that zone.
  3. Barnacle Balanus dominates and exclude smaller warblers from that zone.
  4. Warblers dominate and exclude smaller Balanus from that area.
Subtopic:  Population Interactions: Competition |
 87%
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…….. and ……...appear to be more adversely affected by competition than…….

  1. Plants, Carnivores, Herbivores
  2. Carnivores, Herbivores, Plants
  3. Omnivores, Carnivores, Plants
  4. Plants, Herbivores, Carnivores
Subtopic:  Population Interactions: Competition |
 82%
From NCERT
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