By a particular interaction in a population, one species was harmed while other was benefited. Such interaction is called as

1. Competition

2. Predation

3. Parasitism

4. Both 2 and 3

Subtopic:  Population Interactions: Predation | Population Interactions: Parasitism |
 88%
From NCERT
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The interacting species live closely together in which of the following interaction?

1. Parasitism, Predation and Commensalism

2. Commensalism, Amensalism

3. Mutualism and Competition

4. Parasitism, Mutualism, Commensalism

Subtopic:  Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
From NCERT
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Predation can be thought as

1. Prey's way to control its the population

2. Nature's way of transferring energy to higher trophic levels.

3. Nature's way of controlling predators food chain

4. Predator's way of controlling prey's energy level

Subtopic:  Population Interactions: Predation |
 75%
From NCERT
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In a broad ecological context, which of the following can be a predator?

1. Seed eating sparrow

2. Lion

3. Tiger

4. Crow

Subtopic:  Population Interactions: Predation |
 72%
From NCERT
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Predators cannot perform

1. conduit for energy transfer

2. control prey species

3. make the ecosystem stable

4. Keep a check on diversity of species

Subtopic:  Population Interactions: Predation |
 71%
From NCERT
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Why does the exotic species become invasive and start spreading fast?

1. It gets better nutrition there.

2. Because of the lack of competition from other exotic plants

3. Because of the lack of natural predator

4. Because of the successful establishment of the food web.

Subtopic:  Population Interactions: Predation |
 81%
From NCERT
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The prickly pear cactus introduced in Australia in the 1920s got famous because of the lack of which population interaction?

1. Competition

2. Predation

3. Parasitism

4. Amensalism

Subtopic:  Population Interactions: Predation |
 79%
From NCERT
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The invasiveness of prickly pear cactus in Australia was controlled by introducing a predator from its natural habitat and this predator was

1. A ladybird

2. A moth

3. A wasp

4. A desert fly

Subtopic:  Population Interactions: Predation |
 88%
From NCERT
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Among the rocky Intertidal communities of the American Pacific coast, the starfish Pisaster is an important

1. Prey

2. Predator

3. Parasite

4. Competitor

Subtopic:  Population Interactions: Predation |
 90%
From NCERT
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If in a hypothetical case, you remove a predator from an ecosystem and as a result few prey species get extinct. What does it show

1. Interspecific competition

2. Intraspecific competition

3. Parasitism

4. Commensalism

Subtopic:  Population Interactions: Predation |
 67%
From NCERT
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