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 excludes smaller warblers from that zone.

4. Warblers dominate and exclude smaller Balanus from that area.

Subtopic:  Population Interactions: Competition |
 85%
From NCERT
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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 |
 77%
From NCERT
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Host-specific parasites show which ecological phenomenon

1. Co-evolve

2. Competition

3. Predation

4. Mutualism

Subtopic:  Population Interactions: Parasitism |
 77%
From NCERT
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Parasites often have one or two intermediate hosts or vectors

1. To make a life cycle more complicated

2. To facilitate parasitization of its primary host

3. To cause advanced life cycle

4. To infect a broad range of organisms

Subtopic:  Population Interactions: Parasitism |
 56%
From NCERT
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The human liver fluke

1. A trematode parasite

2. Depends on two intermediate hosts- snail and Dog

3. Both 1 and 2

4. Simple life cycle

Subtopic:  Population Interactions: Parasitism |
 60%
From NCERT
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Which of the following is not correct with respect to parasites?

1. Harm the host

2. Reduce survival, growth of the host.

3. Doesn't affect population density of host as no effect on reproduction ability of the host

4. Render host more vulnerable to predation by making it physically weak.

Subtopic:  Population Interactions: Parasitism |
 86%
From NCERT
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Which of the following is not an ectoparasite?

1. Ticks

2. Lice

3. Copepods

4. Fluke

Subtopic:  Population Interactions: Parasitism |
 86%
From NCERT
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Female mosquito

1. Needs our blood for reproduction

2. Parasite

3. Get some nutrition from our body

4. Both 1 and 2

Subtopic:  Population Interactions: Parasitism |
 63%
From NCERT
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Endoparasites have

1. Complex life cycle

2. Complex anatomical and morphological features

3. Less emphasis on Reproductive potential

4. All of these

Subtopic:  Population Interactions: Parasitism |
 54%
From NCERT
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Endoparasites have a complex life cycle

1. Because of extreme morphological adaptations

2. Because of extreme specialization.

3. Because of extreme anatomical adaptation

4. Because of less reproductive potential

Subtopic:  Population Interactions: Parasitism |
 62%
From NCERT
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