A population interaction that is detrimental to both species would be:

1. Mutualism 2. Competition
3. Predation 4. Amensalism

Subtopic:  Population Interactions: Competition |
 78%
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In their interactions with each other, both the species:
I: benefit in mutualism
II: lose in competition

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Population Interactions: Competition | Population Interactions: Commensalism, Protocooperation & Mutualism |
 88%
From NCERT
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When Darwin spoke of the struggle for existence, he was convinced that a potent force in organic evolution is:

1. Intraspecific competition 2. Interspecific competition
3. Intraspecific mutualism 4. Interspecific mutualism
Subtopic:  Population Interactions: Competition |
 83%
From NCERT
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In some shallow American lakes, unrelated visiting Flamingoes and resident fishes compete for the common food which is:

1. Crustaceans 2. Zooplankton
3. Cichlid fishes 4. Prawns
Subtopic:  Population Interactions: Competition |
 84%
From NCERT
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When the feeding efficiency of one species is reduced due to the inhibitory presence of the other species, even if resources are abundant, it is called:

1.Interference competition2.Exploitative competition
3.Amensalism4.Predation

Subtopic:  Population Interactions: Competition |
 77%
From NCERT
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Consider the given statements regarding competition amongst organisms:

I: Only related species can compete for the same resource
II: Competition occurs only when the resources are limiting

The correct statement/s is/are:

1. I alone 2. II alone
3. Both I and II 4. Neither I nor II
Subtopic:  Population Interactions: Competition |
 55%
From NCERT
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A process in which the fitness of one species is significantly lower in the presence of another species, is termed as :

1. Predation 2. Parasitism
3. Competition 4. Amensalism

Subtopic:  Population Interactions: Competition |
 74%
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Abingdon tortoise in Galapagos islands became extinct within a decade after goats were introduced on the island due to:
1. Habitat fragmentation
2. Better browsing efficiency of goats
3. Predator of goat attacking tortoise
4. Virus of goats parasitizing tortoise

Subtopic:  Population Interactions: Competition |
 91%
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The ‘Competitive Exclusion Principle’ was given by:

1. Gause 2. Connell
3. Tillman 4. Paul Ehrlich
Subtopic:  Population Interactions: Competition |
 90%
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A species whose distribution is restricted to a small geographical area because of the presence of a competitively superior species, is found to expand its distributional range dramatically when the competing species is experimentally removed. This is called:

1. Competitive Exclusion 2. Competitive Release
3. Competitive Supremacy 4. Competitive Inclusion
Subtopic:  Population Interactions: Competition |
 70%
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